WO2019103333A1 - Système de chauffage, de ventilation et de climatisation pour véhicule - Google Patents

Système de chauffage, de ventilation et de climatisation pour véhicule Download PDF

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Publication number
WO2019103333A1
WO2019103333A1 PCT/KR2018/012779 KR2018012779W WO2019103333A1 WO 2019103333 A1 WO2019103333 A1 WO 2019103333A1 KR 2018012779 W KR2018012779 W KR 2018012779W WO 2019103333 A1 WO2019103333 A1 WO 2019103333A1
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Prior art keywords
air
vehicle
cooling
passage
cold
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PCT/KR2018/012779
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English (en)
Korean (ko)
Inventor
김윤진
권대복
민요찬
박태용
이성제
이세민
류재춘
Original Assignee
한온시스템 주식회사
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Priority claimed from KR1020170156120A external-priority patent/KR20190058818A/ko
Priority claimed from KR1020170156122A external-priority patent/KR102421084B1/ko
Application filed by 한온시스템 주식회사 filed Critical 한온시스템 주식회사
Publication of WO2019103333A1 publication Critical patent/WO2019103333A1/fr

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00—Heating, cooling or ventilating [HVAC] devices

Definitions

  • the present invention relates to an air conditioner for a vehicle, and more particularly, to an air conditioner for an automotive air conditioner, which is efficiently disposed in an engine room without generating a large installation space and an unnecessary dead space,
  • the present invention relates to a vehicle air conditioner capable of minimizing unnecessary energy consumption and improving fuel economy of a vehicle by minimizing the operation of the blower on the side of the heat exchanger regardless of the cooling and heating of the vehicle, .
  • a heat pump system Heat Pump System
  • a &quot an environmentally friendly electric vehicle
  • vehicle &quot an electric vehicle or a fuel cell vehicle
  • a heat pump air conditioning apparatus capable of cooling and heating the interior of the vehicle without engine cooling water .
  • the heat pump air conditioner includes an air conditioning module 1 for generating cold air and hot air, a distribution duct (not shown) for distributing cold air and warm air generated in the air conditioning module 1 2).
  • the air conditioning module 1 has a structure in which the inside of the air conditioning case 3 is divided into a lower air passage 3a and an upper air passage 3b and then a cooling air heater 4 for cooling is provided in the divided air passage 3a, And a cold air control door 5 and a heating heat exchanger 6 and a warm air control door 7 are provided in the hot air passage 3b.
  • the air conditioning module 1 is configured to cool the inside and outside air blown from the first blower 8 to the cold air flow path 3a by the cooling heat exchanger 4 during the cooling mode, (5) so as to blow air toward the distribution duct (2).
  • the inside / outside air blown from the second blower 9 to the hot air flow path 3b is heated by the heating heat exchanger 6, and the heated hot air is adjusted by the hot air control door 7, (2).
  • the closed warm air on the side of the hot air passage 3b heated by the heating heat exchanger 6 is discharged to the engine room side through the warm air control door 7 and the closed warm air outlet 7a
  • the cooling air on the cool air passage 3a side cooled by the cooling heat exchanger 4 is discharged to the engine room side through the cool air control door 5 and the closed / cool air outlet 5a.
  • the cold air on the cold air passage 3a side is bypassed to the warm air passage 3b side through the bypass passage 3c and the bypass door 3d , And cold air is supplied to the interior of the vehicle through the bypass of the cold air, thereby dehumidifying the interior of the vehicle.
  • the distribution duct 2 is provided with an internal flow passage 2a communicating with the cold and warm air flow passages 3a and 3b of the air conditioning module 1 and a plurality of discharge vents 2b branched from the internal flow passage 2a , Hot and cold air blown from the cold and hot air flow paths 3a and 3b of the air conditioning module 1 is introduced and the introduced cold air and hot air are discharged to respective portions of the vehicle interior. Therefore, the inside of the car is cooled and heated.
  • the air conditioning module 1 is installed on the engine room side with respect to the dash panel 10, and the distribution duct 2 is configured to be installed inside the vehicle room. This is to minimize a part of the air conditioner installed in the interior of the vehicle as much as possible, thereby ensuring a wider interior space.
  • the cold and warm air flow paths 3a and 3b of the air conditioning module 1 are formed in a straight line along the longitudinal and longitudinal directions of the vehicle and are formed in a straight shape,
  • the cold air control door 5, the heating heat exchanger 6 and the warm air control door 7 are also arranged linearly in the longitudinal and longitudinal directions of the vehicle along the straight and cool air flow paths 3a and 3b.
  • the internal flow path 2a of the distribution duct 2 connected to the cold and warm air flow paths 3a and 3b of the air conditioning module 1 is also connected to the cool air paths 3a and 3b of the air conditioning module 1, Direction along the longitudinal direction of the vehicle.
  • an electric heater 2c for heating the passenger compartment is provided in the internal flow path 2a of the distribution duct 2, and the electric heater 2c is provided for cooling and heating the air conditioning module 1 are arranged in a linear arrangement with the heat exchangers (4, 6) and the cold / warm air control doors (5, 7).
  • the conventional air conditioner has the structure in which the hot air passage 3b of the air conditioning module 1 is arranged on the upper side and the cold air passage 3a of the air conditioning module 1 is arranged on the lower side, There is a disadvantage in that hot air is mainly discharged to the upper portion of the vehicle cabin and the cold air of the cold air passage 3a is mainly discharged to the lower portion of the vehicle cabin.
  • optimum comfort is sensed only when cold air is supplied to the head portion in a cooling mode, and optimum comfort is sensed only when hot air is supplied to the leg portion in a heating mode.
  • the warm air is mainly discharged to the upper portion of the car interior and the cold air is mainly discharged to the lower portion of the car interior, which can not cope with the comfort of the passenger.
  • the conventional air conditioner has a structure in which both of the first and second blowers 8 and 9 are always operated regardless of the cooling mode and the heating mode, so that there is a disadvantage that energy consumption is large.
  • the second blower 9 on the heating heat exchanger 6 is operated in spite of the cooling mode
  • the second blower 9 on the cooling heat exchanger 4 is operated in spite of the heating mode
  • the blower of the heat exchanger side which is not related to the heating is unnecessarily operated.
  • the present invention has been made to solve the above-mentioned problems of the prior art, and it is an object of the present invention to improve the internal structure of the air conditioning module and the arrangements of the heat exchanger for cold and heating, And an air conditioning module can be efficiently disposed in an engine room without generating a space and an unnecessary dead space.
  • Another object of the present invention is to provide an air conditioner module that can be efficiently disposed in an engine room without generating a lot of installation space and unnecessary dead space, thereby improving the space utilization of the engine room, And to provide a vehicle air conditioner that can be installed in an engine room more conveniently.
  • Another object of the present invention is to improve the internal structure of the air conditioning module and the arrangements of the heat exchanger for cold and heating and the arrangement structure of the cold and warm air control doors provided in the air conditioner module so that cool air is supplied to the head portion of the passenger in the cooling mode And a warm air is supplied to the leg portion of the passenger in the heating mode, thereby improving the comfort of the passenger.
  • a vehicle air conditioner is a vehicle air conditioner that supplies cold and warm air to a car interior to cool and heat the vehicle.
  • the vehicle air conditioner includes an air conditioner case having a cold air path and a hot air path, An air conditioning module including a cooling heat exchanger and a cold air control door installed on the air passage, a heating heat exchanger provided on the air passage, and a warm air control door; And a distribution duct for introducing cold air and warm air blown from the air flow path and the air flow path of the air conditioning module and distributing the air to each part of the interior of the vehicle; And the air conditioning case of the air conditioning module is formed toward the left and right width direction of the vehicle along the dash panel.
  • the air conditioning module is installed on the engine room side with respect to the dash panel, and the distribution duct is installed inside the vehicle room;
  • An air conditioning case of the air conditioning module is formed toward a side portion of the engine room along the dash panel;
  • the distribution duct is formed in the longitudinal direction of the vehicle from the dash panel toward the interior of the vehicle.
  • the air conditioning case of the air conditioning module includes a first case portion formed in the width direction of the vehicle along the dash panel, and an intake portion for sucking indoor and outdoor air; And a second case part bent from the first case part toward the dash panel side at a predetermined angle and connected to the distribution duct;
  • the cold air flow path and the warm air flow path include an upstream side portion formed along the first case portion so as to transfer the inside and outside air sucked into the intake portion; And a downstream side portion formed along the second case portion so as to transfer the inside / outside air conveyed to the upstream side portion to the distribution duct side.
  • the heating heat exchanger and the cold air control door are sequentially disposed along the upstream side portion of the cold air flow path toward the width direction of the vehicle.
  • the heating heat exchanger and the warm air control door are arranged along the upstream portion of the warm air passage, Are sequentially arranged in the width direction of the housing.
  • the air conditioning system includes an air conditioning case having a cold air flow path and a warm air flow path, a heat exchanger for cooling the cold airflow path, a heat exchanger for heating the airflow path, A cold air control door for opening and opening the cold air of the cold air flow path to the inside or outside of the vehicle and selectively opening the hot air flow path and the closed warm air outlet to introduce hot air of the hot air flow path into the passenger compartment, And a bypass flow path for bypassing the cold air of the cold air flow path that has passed through the cooling heat exchanger to the upstream side air flow path of the heating heat exchanger, the vehicle air conditioning system comprising: The open position of the cold air control door relative to the cold air flow path and the closed air cooling air outlet, And controlling the temperature of the air blown into the passenger compartment by controlling at least one of an opening position of the hot air control door and a bypass opening of the bypass door with respect to the bypass passage .
  • the control unit controls the opening position of the cold air control door relative to the cold air flow path and the closed air cooling air outlet and the opening position of the hot air control door relative to the hot air flow path and the closed warm air outlet according to the cooling / And the opening position of the bypass door with respect to the bypass passage, thereby controlling the temperature of the air blown into the passenger compartment.
  • the air conditioning module on the engine room side is formed in the lateral direction of the vehicle along the dash panel, and the cold and warm air flow paths, the heat exchanger for cooling and heating,
  • the air conditioning module can be disposed toward one side of the engine room.
  • the air conditioning module can be disposed toward one side of the engine room, unlike the conventional art in which the air conditioning module protrudes toward the central portion of the engine room in a straight line, the side corner space of the engine room can be used as an installation space .
  • the side corner space of the engine room can be used as the installation space, the engine room can be efficiently used and unnecessary " dead space " can be reduced. As a result, have.
  • the space utilization of the engine room can be increased, the installation work of the components can be performed more conveniently when various parts are installed in the engine room, thereby improving the workability.
  • the cold air flow path for supplying cold air is arranged on the upper side of the air conditioning module and the warm air flow path for supplying warm air is arranged on the lower side of the air conditioning module, There is an effect that the warm air of the vehicle can be discharged to the lower portion of the vehicle interior.
  • the cold air of the cold air passage can be discharged to the upper portion of the vehicle cabin
  • the warm air of the hot air passage can be discharged to the lower portion of the vehicle cabin so that the cold air is supplied to the head portion of the occupant, As a result, it is possible to improve the comfort of the passengers by providing the effect of the heat.
  • blower on the side of the heat exchanger which is independent of the cooling / heating mode, is lowered or turned off when the cooling / heating load is small, , It is possible to minimize the operation of the blower regardless of the heating.
  • blower air temperature in the passenger compartment is controlled through the bypass door in a state where the blower on the side of the heat exchanger, which is not related to the cold or warm mode, is lowered or turned off, There is an effect that control can be performed more efficiently.
  • the mixing ratio of the cold air on the heat exchanger side for cooling and the hot air on the heat exchanger side for heating is optimally controlled via the bypass door, even if the blower is controlled to be low or OFF, The temperature of the blowing air in the passenger compartment of the vehicle can be controlled more efficiently without deteriorating the heating performance.
  • FIG. 1 is a sectional view showing a conventional automotive air conditioner
  • Fig. 2 is a plan view of Fig. 1 showing a conventional automotive air conditioner
  • FIG. 3 is a plan view showing a first embodiment of a vehicle air conditioning system according to the present invention
  • FIG. 4 is a sectional view taken along the line IV-IV in Fig. 3,
  • FIG. 5 is a sectional view taken along the line V-V in Fig. 3,
  • FIG. 6 is a side sectional view showing a second embodiment of the air conditioner for a vehicle according to the present invention.
  • Fig. 7 is an operational view showing an example of operation of the vehicle air conditioner according to the second embodiment.
  • Fig. 7 is a view showing a state in which the temperature of the blowing air in the passenger compartment is controlled by the cold /
  • FIG. 8 is an operation diagram showing an example of operation of the vehicle air conditioner according to the second embodiment, and shows a state in which the temperature of the blowing air in the passenger compartment is controlled by the cold / warm air control door when the heating load is large,
  • FIG. 9 is a view showing an operation example of an automotive air conditioner according to a second embodiment, in which a blowing air temperature in a passenger compartment is controlled by a bypass door when a cooling and heating load is small,
  • FIG. 10 is an operational view showing an example of the operation of the automotive air conditioner according to the second embodiment.
  • the bypass door and the cold and warm air control door are controlled organically, FIG.
  • FIG. 11 is a view showing a modified example of the automotive air conditioner according to the second embodiment
  • FIG. 12 is a flowchart showing an operation example of the automotive air conditioner according to the second embodiment.
  • the heat pump air conditioner includes an air conditioning module (20) and a distribution duct (30).
  • the air conditioning module 20 has a structure in which the inside of the air conditioning case 22 is divided into a cold air flow path 24 and a warm air flow path 26 and then the cold air flow path 24 is divided into a cooling heat exchanger 40, And a warm air flow path 26 is provided with a heating heat exchanger 44 and a warm air control door 46.
  • the air conditioning module 20 is configured to cool the inside and outside air blown from the first blower 50 to the cooling air passage 24 by the cooling heat exchanger 40 during the cooling mode, (42) and blows air to the distribution duct (30) side.
  • the inside / outside air blown from the second blower 52 to the hot air flow path 26 is heated by the heating heat exchanger 44, and the heated hot air is adjusted by the hot air control door 46, (30).
  • the cold air on the side of the air passage 24 is bypassed to the air passage 26 side through the bypass door 28 and the bypass passage 28a. Therefore, the cold air on the cold air flow path 24 side is supplied to the interior of the vehicle, thereby dehumidifying the interior of the vehicle.
  • the distribution duct 30 is provided with an internal flow passage 32 communicating with the cold and warm air flow passages 24 and 26 of the air conditioning module 20 and a plurality of discharge vents 34 branching from the internal flow passage 32 And hot and cold air blown from the cold and hot air flow paths 24 and 26 of the air conditioning module 20 is introduced and discharged to each part of the interior of the vehicle.
  • an electric heater 36 for heating the passenger compartment is provided in the heating mode.
  • the air conditioning module 20 is installed on the engine room side with respect to the dash panel 10, and the distribution duct 30 is configured to be installed inside the vehicle room.
  • the vehicle air conditioning system of the present invention includes an air conditioning module 20, and the air conditioning case 22 of the air conditioning module 20 is formed along the left and right width direction of the vehicle.
  • the air conditioning case 22 of the air conditioning module 20 thus formed is formed toward the lateral direction of the vehicle along the dash panel 10, and can be disposed toward one side portion of the engine room.
  • the air conditioning case 22 of the air conditioning module 20 includes a first case portion 22a formed along the left and right width direction of the vehicle and a second case portion 22b extending from the first case portion 22a to the dash panel 10) side at an angle of about 90 [deg.].
  • the first case portion 22a is provided with an intake portion 60 for sucking in the inside and outside air, that is, an inside air inlet 62 for introducing air inside the car, an outside air inlet 64 for introducing outside air, , And first and second blowers (50, 52) for sucking the inside and outside air through the inside and outside air inlets (62, 64).
  • the first case portion 22a is formed along the left and right width direction of the vehicle.
  • the air conditioning case 22, which is formed so as to face the lateral direction of the vehicle in parallel with the dash panel 10, can be disposed toward one side of the engine room.
  • the first and second blowers 50 and 52 are disposed at both sides of the first case part 22a in conformity with the shape of the first case part 22a formed along the left and right width direction of the vehicle
  • the first and second blowers 50 and 52 installed in this way have an arrangement structure in which they face each other along the forward and backward directions of the vehicle when viewed from the engine room.
  • the second case portion 22b is bent at an angle of about 90 from the first case portion 22a toward the dash panel 10.
  • the second case portion 22b thus refracted is inserted into the first case portion 22a, And is connected to the distribution duct 30 on the inside of the vehicle cabin.
  • the air conditioning case 22 of the air conditioning module 20 includes a cold air flow path 24 for transferring the inside and outside air blown from the first and second blowers 50 and 52,
  • the air flow path 24 and the air flow path 26 are provided with upstream portions 24a and 26a corresponding to the first case portion 22a of the air conditioning case 22, And downstream portions 24b and 26b corresponding to the case portion 22b.
  • the upstream portions 24a and 26a of the cold air passage 24 and the warm air passage 26 are formed in the left and right sides of the vehicle so as to match the shape of the first case portion 22a formed along the left- And the upstream portions 24a and 26a of the cold air flow path 24 and the hot air flow path 26 formed in this way are used for cooling the inside and outside air blown from the first and second blowers 50 and 52 To the heat exchanger (40) and the heating heat exchanger (44).
  • the downstream portions 24b and 26b of the cold air passage 24 and the hot air passage 26 are formed so as to correspond to the shape of the second case portion 22b refracted from the first case portion 22a, 26a of the cooling air heat exchanger 40.
  • the refluxed air flow path 24 and the downstream portions 24b, 26b of the air flow path 26 are refracted with respect to the air passing through the cooling heat exchanger 40 and the heating heat exchanger 44 To the distribution duct (30) inside the car.
  • the upstream side portion 24a of the cold air flow path 24 and the upstream side portion 26a of the hot air flow path 26 are formed on the side of the first and second blowers 50 and 52,
  • the air conditioning case 22 is partitioned into both sides of the air conditioning case 22 and the air conditioning case 22 is partitioned upward and downward toward the downstream side portions 24b and 26b as shown in Fig.
  • the upstream portion 24a of the cold air passage 24 is provided on the upper side of the air conditioning case 22 so that the upstream portion 26a of the hot air passage 26 is arranged below the air conditioning case 22,
  • the cold air of the cold air passage 24 is discharged to the upper portion of the vehicle cabin and the warm air of the hot air passage 26 is discharged to the lower portion of the vehicle cabin.
  • the cold air flow path 24 and the downstream side portions 24b, 26b of the hot air flow path 26 are configured to be joined to each other without partition walls, and the cold air flow path 24 and the warm air flow path
  • the downstream side portions 24b and 26b of the distribution duct 30 communicate with the internal flow path 32 of the vehicle interior distribution duct 30 so that air conveyed from the upstream portions 24a and 26a flows into the inside of the distribution duct 30 And introduced into the flow path 32.
  • the air conditioning module 20 includes a cooling heat exchanger 40 installed in the air flow path 24 of the air conditioning case 22 and a cooling heat exchanger 40 installed in the air flow path 26
  • the cooling heat exchanger 40 and the heating heat exchanger 44 are provided on the upstream side portions 24a and 26a of the cold air flow path 24 and the hot air flow path 26 .
  • the cooling heat exchanger 40 and the heating heat exchanger 44 are installed on the upstream side portions 24a, 26a of the cold air flow path 24 and the hot air flow path 26,
  • the cooling heat exchanger 40 and the heating heat exchanger 44 are arranged in the lateral direction of the vehicle according to the shape of the first case portion 22a facing the lateral direction of the vehicle, (40) and the heating heat exchanger (44) cool and heat the air conveyed along the cold air passage (24) and the hot air passage (26), respectively.
  • the air conditioning module 20 includes a cold air control door 42 provided in the cooling air passage 24 on the downstream side of the cooling heat exchanger 40 and a cooling air control door 42 provided on the air passage 26 on the downstream side of the heating heat exchanger 44
  • the hot air control door 46 and the hot air control door 46 are provided on the upstream portions 24a and 26a of the air passage 24 and the air passage 26, Respectively.
  • the cold air control door 42 and the hot air control door 46 are installed on the upstream side portions 24a, 26a of the cold air passage 24 and the hot air passage 26, respectively.
  • the cold air control door 42 and the warm air control door 46 are arranged in the lateral direction of the vehicle in accordance with the shape of the first case portion 22a facing the lateral direction of the vehicle, And the hot air control door 46 adjust the air flow rates of the cold and warm air that have passed through the cooling heat exchanger 40 and the heating heat exchanger 44, respectively.
  • the air conditioning module 20 includes a bypass door 28 for bypassing the cold air in the air passage 24 toward the air passage 26, if necessary, in the heating mode, Wherein the bypass door 28 is installed on the upstream portions 24a and 26a of the cold air passage 24 and the hot air passage 26.
  • the bypass door 28 is provided on the downstream side of the cooling heat exchanger 40 And the upstream side of the heating heat exchanger 44.
  • the bypass door 28 thus installed is provided with a cold air flow path 24 passing through the heat exchanger 40 for cooling when necessary in the heating mode, To the side of the upstream side warm air flow path (26) of the heat exchanger (44) for heating.
  • the air conditioner of the present invention includes a distribution duct 30 installed inside a vehicle compartment, and the distribution duct 30 is formed along the longitudinal direction of the vehicle.
  • the distribution duct 30 is formed along the longitudinal direction of the vehicle so as to be connected to the second case portion 22b of the air conditioning module 20 with the dash panel 10 interposed therebetween. Warm air is introduced from the second case portion 22b of the air conditioner 22b and the introduced cold air and hot air are distributed to and discharged from the respective portions of the vehicle interior.
  • An electric heater 36 is installed in the internal flow path 32 of the distribution duct 30.
  • the electric heater 36 is connected to the internal flow path 32 of the distribution duct 30 formed along the longitudinal direction of the vehicle
  • the electric heater 36 arranged in the longitudinal direction of the vehicle according to the structure heats the warm air introduced from the air conditioning module 20 on the engine room side in the heating mode and controls the heating performance .
  • the air conditioning module 20 on the engine room side is formed in the lateral direction of the vehicle along the dash panel 10, and the air,
  • the heating heat exchanger 44 and the cold and warm air control door 46 are also arranged in the lateral direction of the vehicle so that the air conditioning module 20 can be disposed toward one side of the engine room.
  • the side corner space of the engine room can be used as an installation space, the engine room can be efficiently used and the occurrence of unnecessary " dead space " can be reduced. As a result, space utilization of the engine room can be increased.
  • the space utilization of the engine room can be increased, the installation work of the components can be performed more conveniently when various components are installed in the engine room, thereby improving the workability.
  • the cold air of the indoor air passage 24 can be discharged to the lower portion of the passenger compartment by the upper portion of the passenger compartment.
  • the cold air of the cold air passage 24 can be discharged to the lower portion of the vehicle cabin
  • the hot air of the hot air passage 26 can be discharged to the upper portion of the vehicle cabin, A warm air is supplied to the leg portion of the passenger, and as a result, the comfort of the passenger can be improved by providing the effect of the heat.
  • Figs. 6 to 12 are views showing a second embodiment of the automotive air conditioner according to the present invention.
  • the air conditioner of the second embodiment is configured such that the air passage 24 and the air passage 26 of the air conditioning case 22 are divided into upper and lower portions of the air conditioner case 22.
  • the flow path 24 is partitioned such that the air flow path 26 is arranged below the gravity direction of the air conditioning case 22 on the upper side of the air conditioning case 22 in the gravity direction.
  • the cooling heat exchanger 40 of the cooling air passage 24 is connected to the air conditioning case 22 of the air conditioning case 22 at a position above the gravity direction of the air conditioning case 22 and the heating heat exchanger 44 of the air passage 26 is connected to the air conditioning case 22, In the gravity direction.
  • the reason for this construction is to secure a wider space between the cooling heat exchanger 40 and the heating heat exchanger 44 so that the downstream side of the cooling heat exchanger 40 and the heat exchanger 44
  • the size of the bypass door 28 and the bypass flow path 28a provided at the portion between the upstream side can be made larger.
  • the air conditioner of the second embodiment further includes a cold / heating load sensing unit 70.
  • the cooling / heating load sensing unit 70 includes an outside air sensor (not shown) that senses the temperature of the outside air of the car, and an "outside air temperature” sensed by the outside air sensor and a "user set temperature” And a microcomputer (not shown) for determining the cooling and heating load of the interior of the vehicle.
  • the microcomputer judges whether the temperature deviation between the "outside temperature” of the outside air sensor and the "user set temperature” of the passenger in the car exceeds a preset reference temperature deviation, for example, 3 ° C., Quot; C ", it is recognized that the cooling and heating load of the vehicle interior is presently high, and the " high load condition signal S1 " is input to the control unit 80 described later.
  • a preset reference temperature deviation for example, 3 ° C., Quot; C &quot
  • S1 &quot high load condition signal
  • the microcomputer determines whether the deviation between the "outside temperature” and the “user set temperature” is equal to or less than a predetermined reference temperature deviation, that is, 3 ° C. As a result of the determination, Load condition signal S2 "to the control unit 80, which will be described later.
  • the air conditioner of the second embodiment is provided with the cold and warm air control doors 42 and 46, the bypass door 28, 1 and the second blower (50, 52).
  • the control unit 80 has a microprocessor. When the " high load condition signal S1 " is input from the cooling / heating load sensing unit 70, the control unit 80 enters the " high load condition mode ".
  • the control unit 80 that has entered the " high load condition mode " controls the first and second blowers 50 and 52 to a higher stage than the predetermined number of rotation stages. For example, control is performed at the highest singular value.
  • the bypass door 28 is closed in the closing direction to completely close the bypass passage 28a and control the temperature of the air blown into the passenger compartment through the cold and warm air control doors 42 and 46.
  • the cool air control door 42 is controlled to close the closed air cool air discharge port 42a and completely open the cool air coolant channel 24. Therefore, all of the cool air that has passed through the cooling heat exchanger 40 can be blown into the interior of the vehicle, thereby improving the cooling performance of the interior of the vehicle in response to a high cooling load.
  • control unit 80 controls the hot air control door 46 to open the waste hot air outlet 46a and completely shut off the hot air passage 26. [ Therefore, the closed warm air on the side of the hot air flow path 26 heated by the heating heat exchanger 44 is discharged to the engine room side through the closed warm air discharge port 46a.
  • the control unit 80 controls the hot air control door 46 to close the waste hot air outlet 46a and completely open the hot air passage 26. As shown in Fig. Therefore, all of the hot air passed through the heating heat exchanger 44 can be blown to the inside of the vehicle, thereby improving the heating performance of the interior of the vehicle in response to the high heating load.
  • control unit 80 controls the cold air control door 42 to open the closed air cool air discharge port 42a, and completely blocks the cold air flow channel 24. Therefore, the cooling air in the cooling air passage 24 side cooled by the cooling heat exchanger 40 is discharged to the engine room side through the cooling air discharge opening 42a.
  • the control unit 80 which has entered the " low load condition mode " sets the blower on the heat exchanger side of the first and second blowers 50 and 52, which is not related to the current cold / (Low stage). For example, it is controlled to the lowest single number.
  • the temperature of the air blown into the passenger compartment is controlled by organically controlling the bypass door 28 and the cold and warm air control doors 42 and 46.
  • the cold air control door 42 and the hot air control door 46 are controlled to close both the closed air discharge port 42a and the closed air discharge port 46a, and only the bypass door 10, it is possible to control the temperature of the air blown into the passenger compartment by only the passenger compartment door 28 and the bypass door 28 and the cold and warm air control doors 42 and 46, Thereby controlling the air temperature.
  • the control unit 80 controls the temperature of the blowing air in the passenger compartment by only the bypass door 28 or the temperature of the bypass door 28 and the cold and warm air
  • the temperature of the blowing air in the interior of the vehicle is controlled while all the control doors 42 and 46 are controlled while the temperature of the cooling and heating is extremely low.
  • the temperature deviation between the "outside temperature” and the “user set temperature” is higher than 2 ° C. and lower than 3 ° C.
  • the load of the cooling and heating is relatively higher than the above- It is preferable to control the temperature of the blowing air in the passenger compartment while controlling both the door 28 and the cold and warm air control doors 42 and 46 in an organic manner.
  • control unit 80 controls the bypass door 28 to completely close the bypass flow path 28a under the " low load condition " ,
  • the temperature of the blowing air in the passenger compartment can be adjusted through the opening position control of the hot air control doors (42, 46).
  • control unit 80 controls the blower on the side of the heat exchanger, which is not related to the current cooling / heating mode, to a low stage in the " low load condition mode "
  • the blower on the side of the heat exchanger irrespective of the state of the cold or hot mode may be turned off completely.
  • the reason for this construction is that the unnecessary operation of the blower regardless of the cooling and heating of the vehicle interior is completely restricted by completely turning off the blower on the side of the heat exchanger irrespective of the state of the cold and warm mode, Thereby significantly improving the fuel economy of the engine.
  • the second blower 52 on the heat exchanger 44 for heating which is not related to cooling
  • the temperature of the first blower 50 on the cooling heat exchanger 40 side The blowing air may flow back to the second blower 52 on the heating heat exchanger 44 side.
  • the reverse flow preventing door 90 (see FIG. 11) is provided in the hot air flow path 26 of the second blower 52 and the cold air flow path 24 of the first blower 50, And 92, respectively.
  • the backflow prevention doors 90 and 92 are configured such that when either the first blower 50 or the second blower 52 is turned off, the one on the blower side that is turned off completely blocks the flow passage.
  • Such backflow prevention doors 90 and 92 may be constituted by solenoid type doors operated according to a control signal of the control unit 80 and may be configured to allow air blown by the blower and shut off air flowing back to the blower Or a flap type door (flap type door).
  • the judgment at this time is made by comparing the "outside temperature” and the "user set temperature”. In particular, it is determined based on whether or not the temperature deviation between the "outside temperature” and the “user set temperature” exceeds a predetermined "reference temperature deviation", for example, 3 ° C.
  • the control unit 80 enters the " high load condition mode " (S105).
  • the control unit 80 which has entered the " high load condition mode " controls the first and second blowers 50 and 52 to a higher stage than the predetermined number of rotation stages and closes the bypass door 28 , And controls the blowing air temperature in the passenger compartment through the hot and warm air control doors (42, 46) (S107).
  • the closed / cool air discharge port 42a is closed by the cold air control door 42, and the cold air flow path 24 is completely opened. Then, the warm air discharge port 46a is opened by the warm air control door 46, and the warm air flow path 26 is completely shut off.
  • the cool air discharge opening 42a is opened by the cold air control door 42, and the cool air passage 24 is completely blocked. Then, the warm air discharge port 46a is closed by the warm air control door 46, and the warm air flow path 26 is completely opened.
  • step S103 determines again whether the current cooling and heating load is in the high load condition (S103-1).
  • the determination at this time is made by comparing the outside temperature and the user set temperature. In particular, it is judged based on whether or not the temperature deviation between the "outside temperature” and the “user set temperature” is equal to or lower than a predetermined "reference temperature deviation", for example, 3 ° C.
  • the control unit 80 enters the "low load condition mode" (S111).
  • the control unit 80 which has entered the " low load condition mode " sets the blower on the heat exchanger side of the first and second blowers 50 and 52, which is not related to the current cold / (Lower stage), and controls the blowing air temperature in the passenger compartment using the bypass door 28 and the cold / warm air control doors 42 and 46 (S113).
  • the cold air control door 42 and the hot air control door 46 are controlled to close both the closed air discharge port 42a and the closed air discharge port 46a, and only the bypass door 10, it is possible to control the temperature of the air blown into the passenger compartment by only the passenger compartment door 28 and the bypass door 28 and the cold and warm air control doors 42 and 46, Thereby controlling the air temperature.
  • the mixing ratio and the mixing amount of the cold air on the cooling heat exchanger 40 side and the warm air on the heating heat exchanger 44 are variably controlled in accordance with the cooling and heating load, and the temperature of the air blown into the vehicle interior is controlled.
  • the blower on the side of the heat exchanger which is not related to the cold / warm mode, is lowered or turned off when the cooling / heating load is small, It is possible to minimize the operation of the blower irrespective of the cooling and heating of the vehicle within the range of not lowering the cooling and heating performance of the room.
  • blowing air temperature in the passenger compartment is controlled through the bypass door 28 in a state where the blower on the side of the heat exchanger is turned off or turned off regardless of the cold / Can be controlled more efficiently.
  • the mixing ratio of the cooling air on the cooling heat exchanger 40 side and the warm air on the heating heat exchanger 44 side is controlled optimally through the bypass door 28, ,
  • the temperature of the blowing air in the passenger compartment can be controlled more efficiently without deteriorating the cooling and heating performance of the passenger compartment.

Landscapes

  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Air-Conditioning For Vehicles (AREA)

Abstract

La présente invention concerne un système de chauffage, de ventilation et de climatisation (HVAC) pour un véhicule, dont l'objectif est de ne pas donner lieu à un espace d'installation important et à un espace inoccupé inutile, tout en étant disposé efficacement dans un compartiment moteur, ce qui permet d'augmenter l'utilisation de l'espace du compartiment moteur, et de réduire au minimum le fonctionnement d'une soufflante côté échangeur de chaleur qui n'est pas liée au refroidissement et au chauffage dans un véhicule, tant que la performance du refroidissement et du chauffage dans le véhicule n'est pas dégradée, ce qui permet d'empêcher une consommation d'énergie inutile et d'améliorer le rendement énergétique du véhicule. Afin d'atteindre ces objectifs, la présente invention concerne un système HVAC pour un véhicule, pour refroidissement et chauffage grâce à l'apport d'air froid et chaud dans un véhicule, comprenant : un module HVAC dans lequel un boîtier HVAC comportant un passage d'air froid et un passage d'air chaud est prévu, un échangeur de chaleur de refroidissement et une porte de réglage d'air froid qui sont installés sur le passage d'air froid, et un échangeur de chaleur de chauffage et une porte de réglage d'air chaud qui sont installés sur le passage d'air chaud ; et un conduit de distribution pour introduire de l'air froid et de l'air chaud soufflés à partir du passage d'air froid et du passage d'air chaud du module HVAC, puis les distribuer à chaque partie à l'intérieur d'un véhicule, le boîtier HVAC du module HVAC étant formé le long d'un tableau de bord et vers les directions de largeur gauche et droite du véhicule.
PCT/KR2018/012779 2017-11-22 2018-10-26 Système de chauffage, de ventilation et de climatisation pour véhicule WO2019103333A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
KR1020170156120A KR20190058818A (ko) 2017-11-22 2017-11-22 차량용 공조장치
KR1020170156122A KR102421084B1 (ko) 2017-11-22 2017-11-22 차량용 공조장치
KR10-2017-0156122 2017-11-22
KR10-2017-0156120 2017-11-22

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111674239A (zh) * 2020-04-30 2020-09-18 博格思众（常州）空调系统有限公司 驻车空调的换气装置

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003291625A (ja) * 2002-03-29 2003-10-15 Calsonic Kansei Corp 車両用空調装置
JP2012126330A (ja) * 2010-12-17 2012-07-05 Calsonic Kansei Corp 車両用空調制御装置
KR20150093450A (ko) * 2014-02-07 2015-08-18 한온시스템 주식회사 차량용 공조장치
KR20170086721A (ko) * 2016-01-18 2017-07-27 한온시스템 주식회사 차량용 공조 시스템
KR20170086726A (ko) * 2016-01-18 2017-07-27 현대자동차주식회사 차량용 공조 시스템

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003291625A (ja) * 2002-03-29 2003-10-15 Calsonic Kansei Corp 車両用空調装置
JP2012126330A (ja) * 2010-12-17 2012-07-05 Calsonic Kansei Corp 車両用空調制御装置
KR20150093450A (ko) * 2014-02-07 2015-08-18 한온시스템 주식회사 차량용 공조장치
KR20170086721A (ko) * 2016-01-18 2017-07-27 한온시스템 주식회사 차량용 공조 시스템
KR20170086726A (ko) * 2016-01-18 2017-07-27 현대자동차주식회사 차량용 공조 시스템

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111674239A (zh) * 2020-04-30 2020-09-18 博格思众（常州）空调系统有限公司 驻车空调的换气装置
CN111674239B (zh) * 2020-04-30 2022-03-08 博格思众（常州）空调系统有限公司 驻车空调的换气装置

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