Automobile air conditioner

Abstract

The automobile air conditioner provides enough leg space for a passenger sitting on a front seat. A vehicle air conditioner includes a housing (50) in which a cooling heat exchanger (32) and a heating heat exchanger (33) are housed. The heating heat exchanger (33) includes an electric heater (33b), the temperature of which increases when energized. A rear-seat-side blower member (41) is provided between the cooling heat exchanger (32) and the heating heat exchanger (33). The housing (50) has a rear opening (55) on the lower surface thereof through which air inside the rear-seat-side blower member (41) is conveyed to the rear seat (13). The housing (50) has, on the rear surface thereof, an electric heater insertion opening (56) into which the electric heater (33b) can be inserted.

Description

Technical Field

[0001] The present invention relates to an automotive air conditioner capable of blowing air to the rear seat. Background Art

[0002] Automotive air conditioners are installed in many vehicles to control the temperature inside the vehicle. Some automotive air conditioners are capable of blowing air to the rear seat. Prior art related to such automotive air conditioners includes a technique disclosed in Patent Document 1.

[0003] The automotive air conditioner disclosed in Patent Document 1 includes a cooling heat exchanger capable of cooling the blown air and a heating heat exchanger capable of heating the air passing through the cooling heat exchanger in a housing. A duct is provided behind the heating heat exchanger, and the duct extends rearward to the rear seat for blowing air to the passengers sitting on the rear seat.

[0004] Citation List

[0005] Patent Document

[0006] Patent Document 1: JP2010 - 36738A Summary of the Invention

[0007] Technical Problem

[0008] Automotive air conditioners are usually installed in front of the front seats. When the duct for blowing air to the rear seat protrudes significantly behind the automotive air conditioner, the passengers on the front seats do not have enough legroom.

[0009] An object of the present invention is to provide an automotive air conditioner that can provide enough legroom for the passengers sitting on the front seats.

[0010] Technical Solution

[0011] In the following description, for the convenience of understanding the present invention, reference numerals in the drawings are appended in parentheses, but the present invention is not limited to the illustrated embodiments.

[0012] According to the present disclosure, there is provided an automotive air conditioner. The automotive air conditioner is capable of blowing air to the front seat (12) where vehicle passengers can sit and the rear seat (13) located behind the front seat (12), and includes:

[0013] A housing (50);

[0014] A cooling heat exchanger (32) capable of cooling the blown air; and

[0015] A heating heat exchanger (33) capable of heating the air passing through the cooling heat exchanger (32), wherein

[0016] The cooling heat exchanger (32) and the heating heat exchanger (33) are provided in the internal space (IS) of the housing (50),

[0017] The heating heat exchanger (33) is disposed behind the cooling heat exchanger (32) with respect to the traveling direction of the vehicle.

[0018] A cold air flow path (CP), a hot air flow path (HP), and a mixed air flow path (MP) are formed in the internal space (IS). The blown air that only passes through the cooling heat exchanger (32) flows through the cold air flow path (CP), the blown air that passes through the heating heat exchanger (33) flows through the hot air flow path (HP), and the blown air that passes through the cold air flow path (CP) and the blown air that passes through the hot air flow path (HP) are mixed together in the mixed air flow path (MP).

[0019] The heating heat exchanger (33) includes an electric heater (33b) whose temperature rises when energized.

[0020] A rear seat side blower component (41) is disposed downstream of the heating heat exchanger (33) with respect to the direction of the blown air flow.

[0021] The rear seat side blower component (41) is configured to guide the blown air that has passed through the heating heat exchanger (33) to the rear seat (13).

[0022] The rear seat side blower component (41) is located between the cooling heat exchanger (32) and the heating heat exchanger (33).

[0023] The housing (50) has a rear opening (55) on its lower surface, and the blown air inside the rear seat side blower component (41) is delivered to the rear seat (13) through the rear opening (55), and

[0024] The housing (50) has an electric heater insertion port (56) on its rear surface, into which the electric heater (33b) can be inserted.

[0025] Advantages of the Invention

[0026] According to the present invention, an automotive air conditioner can be provided that provides sufficient legroom for passengers sitting in the front seats.

[0027] The present invention may further include one or more of the following features:

[0028] - The automotive air conditioner may further include a front seat side temperature control device, which includes an actuator for front seat side temperature control, a driving force transmission shaft including a pinion and connected to the actuator for front seat side temperature control, and a door body mounted on the pinion. Among them, the actuator for controlling the front seat side temperature is attached to the side surface of the housing.

[0029] - The heating heat exchanger includes a hot water heater having a hot water supply pipe and a hot water discharge pipe, with a part of the pipes arranged along the side surface of the housing.

[0030] - The electric heater includes a heat exchange part and an amplifier, where the amplifier is larger than the heat exchange part and is arranged outside the housing. Description of the Drawings

[0031] Figure 1 is a schematic view showing a vehicle equipped with an automotive air conditioner according to an example.

[0032] Figure 2 is Figure 1 a perspective view of the automotive air conditioner shown in

[0033] Figure 3 is a cross-sectional view taken along line Figure 2 3 - 3. Detailed Description of the Invention

[0034] Embodiments of the present invention will be described below with reference to the drawings. In the description, "front" and "rear" refer to the front and rear in the traveling direction of the vehicle equipped with the automotive air conditioner, and "left" and "right" refer to the left and right as seen by the passengers in the vehicle. In the drawings, "Fr" and "Rr" respectively represent the front and rear in the traveling direction of the vehicle, "Le" and "Ri" respectively represent the left and right as seen from the passengers, and "Up" and "Dn" respectively represent the upper and lower sides.

[0035] Example

[0036] Please refer to Figure 1 . Figure 1 shows a vehicle 10 equipped with an automotive air conditioner 20 (hereinafter referred to as "air conditioner 20"). The vehicle 10 is, for example, a passenger car. The vehicle 10 includes left and right front seats 12, 12 provided in the front part VI inside the vehicle, and rear seats 13 provided behind the front seats 12, 12 and extending to both ends in the vehicle width direction.

[0037] The air conditioner 20 is installed in front of the front seats 12, 12 and blows air at a predetermined temperature towards the passengers sitting on the front seats 12, 12 and the rear seats 13. Side vent switch members 14, 14 for changing whether to form blown air are formed at the right and left ends in the vehicle width direction in front of the front seats 12, 12. Central vent switch members 15, 15 for changing whether to form blown air are formed near the center in the vehicle width direction in front of the front seats 12, 12.

[0038] The rear air duct 16 extending towards the rear seat 13 is connected to the air conditioner 20, and air can be sent to the rear seat 13 through the rear air duct 16. At the rear end or downstream end of the rear air duct 16, there is a rear-seat side air-blowing switch component 17, and whether air is blown towards the rear seat 13 is changed through the rear-seat side air-blowing switch component 17.

[0039] For example, the rear air duct 16 can be arranged to extend rearward along the lower surface of the center console, or can be arranged to extend upward along the rear surface of the center console. Or, the rear air duct 16 can extend under the vehicle floor and stand up along the B-pillar. Or, the rear air duct 16 can branch at a certain midpoint to deliver air to the upper body and lower body of the rear-seat passengers.

[0040] Each of the switch components 14, 15, and 17 includes a shutter. The passenger swings the operating components 14a, 15a, and 17a so that the air flow rate can be switched from the fully open state to the fully closed state.

[0041] Please refer to Figure 2 . The air conditioner 20 includes a blower unit 21 and a temperature control unit 30. The blower unit 21 can suck air from inside and / or outside the vehicle to blow air, and the temperature control unit 30 can control the temperature of the blown air delivered from the blower unit 21 to a predetermined temperature. The air delivered leftward from the blower unit 21 flows backward in the temperature control unit 30.

[0042] The blower unit 21 can have a well-known configuration, for example, including a blower fan therein.

[0043] The air conditioner 20 can have a configuration where the blower unit 21 is located on the left side of the temperature control unit 30. The configuration of the air conditioner 20 can be appropriately selected according to situations such as which side (left or right) the steering wheel is on.

[0044] Please refer to Figure 3 . The temperature control unit 30 includes a housing 50, a cooling heat exchanger 32, a heating heat exchanger 33, a front-seat side temperature control device 34, a defroster opening and closing door 36, a vent opening and closing door 37, a foot opening and closing door 38, a rear-seat side blower component 41, a cold air introduction part 42, and a mixing part 60. The blower unit 21 delivers air to the housing 50 (see Figure 2)。The cooling heat exchanger 32 is disposed in the internal space IS of the housing 50 and can cool the blown air. The heating heat exchanger 33 can heat the air that has passed through the cooling heat exchanger 32. The front seat side temperature control device 34 is disposed downstream of the heating heat exchanger 33 to control the flow rate of the blown air that has passed through the heating heat exchanger 33. The defroster opening / closing door 36, the vent opening / closing door 37, and the foot opening / closing door 38 are located downstream of the front seat side temperature control device 34 and are used to switch the opening and closing of the openings 51 to 54. The rear seat side blower member 41 extends downward in front of the heating heat exchanger 33 and is used to guide the air that has passed through the heating heat exchanger 33 to the rear seat 13 (see Figure 1 )。The cold air introduction portion 42 extends along the rear of the rear seat side blower member 41 and can introduce cold air. The mixing portion 60 is disposed in the lower part of the housing 50 and is used to mix the blown air passing through the rear seat side blower member 41 with the blown air passing through the cold air introduction portion 42.

[0045] For example, the housing 50 includes a plurality of components. More specifically, the housing 50 includes three components, namely, the components constituting the upper left and right sides and the component constituting the lower part. Each component can be an injection molded part. The housing 50 can include two components, or can include four or more components.

[0046] Also refer to Figure 1 。The housing 50 has a defroster opening 51 through which the blown air delivered to the windshield passes; vent openings 52, 53 through which the blown air delivered to the upper bodies of the passengers in the front seats 12, 12 passes; a foot opening 54 through which the blown air delivered to the feet of the passengers in the front seats 12, 12 passes; and a rear opening 55 through which the blown air delivered to the passengers in the rear seat 13 passes.

[0047] In addition to the openings 51 to 54 through which the blown air passes, the housing 50 also has an electric heater insertion port 56. The electric heater insertion port 56 will be described in detail later.

[0048] The internal space IS has: a cold air flow path CP through which only the blown air passing through the cooling heat exchanger 32 flows; a hot air flow path HP through which the blown air passing through the heating heat exchanger 33 flows; and a mixed air flow path MP in which the blown air passing through the cold air flow path CP is mixed with the blown air passing through the hot air flow path HP.

[0049] The vent openings 52, 53 include a side vent opening 52 and a center vent opening 53. The air blown out from the side vent switch member 14 passes through the side vent opening 52, and the air blown out from the center vent switch member 15 passes through the center vent opening 53.

[0050] The vent openings 52 and 53 do not always have to be formed at two positions, i.e., near the center in the vehicle width direction and outside thereof.

[0051] See Figure 3 . The cooling heat exchanger 32 is provided at the front part of the housing 50 to allow the blown air to pass through substantially in the front-rear direction. The blown air is cooled by heat exchange with the heat transfer medium passing through the inside of the cooling heat exchanger 32. Examples of the heat transfer medium include fluorocarbon refrigerants and carbon dioxide.

[0052] The heating heat exchanger 33 is provided behind the cooling heat exchanger 32 to allow the blown air to pass through substantially in the up-down direction. The heating heat exchanger 33 includes, for example, a hot water heater 33a and an electric heater 33b. Hot water that has passed through the engine and been heated flows through the hot water heater 33a, and the electric heater 33b is energized to be heated.

[0053] The hot water heater 33a is inserted into the housing 50 from a water heater insertion port (not shown) formed on the side surface of the housing 50. A hot water supply pipe provided outside the housing 50 is used to supply hot water to the hot water heater 33a. In addition, the hot water flowing inside the hot water heater 33a is discharged to the outside of the housing 50 and then returns to the engine through a hot water discharge pipe. A part of the hot water supply pipe and the hot water discharge pipe may be arranged along the side surface of the housing 50.

[0054] The electric heater 33b is inserted into the housing 50 from an electric heater insertion port 56 formed on the rear surface of the housing 50. It can be said that the electric heater insertion port 56 is an opening formed in the housing 50 for inserting the electric heater 33b into the housing 50. It is only required that the electric heater insertion port 56 be formed to allow insertion of at least the heat exchange part of the electric heater 33b, and it is not required that the entire electric heater 33b can be inserted. An amplifier or the like of the electric heater 33b can be provided outside the housing 50.

[0055] It should be noted that Figure 3 a configuration in which the amplifier of the electric heater 33b is provided outside the housing 50 is shown. The amplifier is preferably provided outside the housing 50 because the amplifier is generally larger than the heat exchange part of the electric heater 33b and does not directly contribute to heating the blown air.

[0056] In the state shown in the figure, the blown air passing through the cooling heat exchanger 32 passes through the left and right sides of the rear seat side blower member 41, is guided to the lower side of the heating heat exchanger 33, and flows upward. At this time, the blown air is heated by the heating heat exchanger 33.

[0057] The heating heat exchanger 33 does not always have to include both the hot water heater 33a and the electric heater 33b. The heating heat exchanger 33 may include only the electric heater 33b. Alternatively, a heater using a heat transfer medium other than hot water may be used instead of the hot water heater 33a. Examples of the heat transfer medium include fluorocarbon refrigerants and carbon dioxide.

[0058] The front seat side temperature control device 34 includes a front seat side temperature control actuator (not shown) that is energized to generate a rotational driving force, a driving force transmission shaft that includes a pinion 34a and is connected to the front seat side temperature control actuator to rotate, and a door body 34b that engages with the pinion 34a and slides substantially in the front-rear direction along with the rotation of the driving force transmission shaft. The door body 34b includes a rack that meshes with the pinion 34a.

[0059] The door body 34b moves to control the opening amount of the cold air flow path CP and the opening amount of the hot air flow path HP. Therefore, the amount of cold air and the amount of hot air flowing into the mixed air flow path MP are controlled, and a predetermined temperature can be achieved when the cold air and the hot air are mixed in the mixed air flow path MP.

[0060] The front seat side temperature control device 34 may include a swing door that can rotate about a rotation axis instead of a sliding door.

[0061] The defroster opening / closing door 36 includes a swing door. The defroster opening / closing door 36 swings, so that the opening amount of the defroster opening 51 can be controlled.

[0062] The vent opening / closing door 37 includes a swing door. The vent opening / closing door 37 swings, so that the opening amounts of the vent openings 52 and 53 can be controlled.

[0063] The foot opening / closing door 38 includes a swing door. The foot opening / closing door 38 swings, so that the opening amount of the foot opening 54 can be controlled.

[0064] The rear seat side blower component 41 is a tubular component that is located in front of the heating heat exchanger 33 and extends in the vertical direction. The width of the rear seat side blower component 41 in the left-right direction is smaller than the width of the heating heat exchanger 33 in the left-right direction. Therefore, the blown air that cools the heat exchanger 32 can flow to the heating heat exchanger 33 through both the left and right sides of the rear seat side blower component 41. The upper end of the rear seat side blower component 41 faces the downstream end of the heating heat exchanger 33, and the lower end of the rear seat side blower component 41 faces the mixing section 60.

[0065] The inside of the rear seat side blower component 41 serves as the rear seat side hot air passage RH, and the blown air heated by the heating heat exchanger 33 passes through this passage. It can be said that the rear seat side hot air passage RH is a flow path that guides the blown air passing through the heating heat exchanger 33 to the rear seat 13 (see Figure 1)。The rear seat side hot air passage RH is located between the cooling heat exchanger 32 and the heating heat exchanger 33.

[0066] As described above, since the rear seat side hot air passage RH is surrounded by the cold air flow path CP, there is a problem that the hot air passing through the rear seat side hot air passage RH is unintentionally cooled. In addition, there is another problem that the cold air flowing through the cold air flow path CP is unintentionally heated. In view of this, for example, heat insulating materials such as polyurethane foam are attached around the rear seat side blower component 41, or the rear seat side blower component 41 itself is made of foam resin. This can improve the heat insulation performance and prevent accidental heat exchange. It is not necessary to take such heat insulation countermeasures, and factors such as the blowing temperature of the conditioned air blown out by the air conditioner 20 and the cost can be considered, and the countermeasures can be appropriately selected. When attaching the heat insulating material to the rear seat side blower component 41, the attachment position can be the outer surface of the rear seat side blower component 41 or its inner surface facing the rear seat side hot air passage RH.

[0067] The rear seat side blower component 41 can be integrally formed with the housing 50 or can be a component different from the housing 50. Particularly preferably, the entire cold air introduction part 42 is located in front of the heating heat exchanger 33.

[0068] The cold air introduction part 42 is a part that guides the cold blowing air flowing in the cold air flow path CP to the mixing part 60. The cold air introduction part 42 is located behind the rear seat side blower component 41 and below the heating heat exchanger 33.

[0069] The cold air introduction part 42 includes, for example, a pipe-shaped component having an upper surface opening and is integrally formed on the rear surface of the rear seat side blower component 41. The upper end of the cold air introduction part 42 serves as a cold air inlet 42a, which is opened to allow the blowing air from the cold air flow path CP to enter. The cold air inlet 42a is inclined backward and downward.

[0070] The cold air introduction part 42 can be spaced apart from the rear seat side blower component 41 or can be a component different from the rear seat side blower component 41. Alternatively, the cold air inlet 42a can be realized through the rear opening 55.

[0071] The mixing part 60 is a component that mixes the hot blowing air passing through the rear seat side hot air passage RH and the cold blowing air introduced from the cold air introduction part 42. The mixing part 60 is a component different from the housing 50 and is attached to the lower part of the housing 50. In other words, it can be said that the mixing part 60 is provided outside the housing 50 and adjacent to the housing 50.

[0072] In addition, a part of the mixing section 60 is located in front of the heating heat exchanger 33, and the remaining part is located below the heating heat exchanger 33. Preferably, the mixing section 60 is provided at least in front of the rear end of the heating heat exchanger 33. Most preferably, the entire mixing section 60 is provided in front of the heating heat exchanger 33.

[0073] The mixing section 60 includes a mixing section housing 61 that is in close contact with the lower surface of the housing 50, and a rear seat side temperature control device 70 provided in the mixing section housing 61 for controlling the temperature of the blown air.

[0074] The rear seat side temperature control device 70 includes a rear seat temperature control actuator 71 and a rear seat side temperature control door 72. The rear seat temperature control actuator 71 is provided outside the mixing section housing 61 and generates a rotational driving force when energized. The rear seat side temperature control door 72 is provided inside the mixing section housing 61 and swings in response to the operation of the rear seat temperature control actuator 71 to control the mixing ratio of hot air and cold air. The rear seat temperature control actuator 71 can be a stepper motor or the like.

[0075] The rear seat side temperature control device 70 can be configured such that an opening communicating with the cold air flow path CP is formed in the rear seat side blower member 41, and the opening can be opened or closed by a door. In this case, the mixing ratio of the cold air can be controlled by controlling the opening amount of the opening formed in the rear seat side blower member 41.

[0076] The rear air duct 16 is connected to the lower part of the mixing section 60. The rear air duct 16 extends downward from the lower end of the mixing section 60 and extends backward along the floor surface.

[0077] The present invention will be summarized below.

[0078] Please refer to Figure 1 and Figure 3First, the air conditioner 20 can blow air towards the front seats 12, 12 where the passengers of the vehicle 10 can sit, and the rear seats 13 located behind the front seats 12, 12. In addition, the air conditioner 20 includes a cooling heat exchanger 32 and a heating heat exchanger 33 in the internal space IS of the housing 50. The former can cool the blown air, and the latter can heat the air that has passed through the cooling heat exchanger 32. Referring to the traveling direction of the vehicle 10, the heating heat exchanger 33 is provided behind the cooling heat exchanger 32. In the internal space IS, a cold air flow path CP, a hot air flow path HP, and a mixed air flow path MP are formed. The blown air that has only passed through the cooling heat exchanger 32 flows through the cold air flow path CP, the blown air that has passed through the heating heat exchanger 33 flows through the hot air flow path HP, and the blown air flowing in the cold air flow path CP and the blown air flowing in the hot air flow path HP are mixed in the mixed air flow path MP. The heating heat exchanger 33 includes an electric heater 33b, and the temperature of the electric heater 33b rises when it is energized. Referring to the flowing direction of the blown air, a rear seat side hot air passage RH is provided downstream of the heating heat exchanger 33. The rear seat side hot air passage RH guides the blown air that has passed through the heating heat exchanger 33 to the rear seats 13, and the rear seat side hot air passage RH is provided between the cooling heat exchanger 32 and the heating heat exchanger 33.

[0079] In addition, the housing 50 has a rear opening 55 on its lower surface, and the blown air inside the rear seat side blower component 41 is delivered to the rear seats 13 through the rear opening 55. The housing 50 has an electric heater insertion port 56 on its rear surface, and the electric heater 33b can be inserted therein.

[0080] See Figure 3 A rear seat side hot air passage RH is provided between the cooling heat exchanger 32 and the heating heat exchanger 33. This can connect to the rear air duct 16 (see Figure 1 ) etc., avoiding the lower rear part of the housing 50. This provides sufficient legroom for the passengers sitting in the front seats 12, 12.

[0081] In addition, generally, many components such as a hot water supply pipe, a hot water discharge pipe, and a temperature control actuator for driving the pinion 34a are attached to the side surface of the housing 50, and mounting portions for attaching components inside the housing 50 are formed on the side surface of the housing 50. On the contrary, the electric heater insertion port 56 into which the electric heater 33b can be inserted is formed on the rear surface of the housing 50. This enables the electric heater 33b to be attached to and detached from the housing 50 without affecting the many components on the side surface of the housing 50. Even if a part of the electric heater 33b is provided outside the housing 50, this part is spaced apart from the lower part of the housing 50, thereby providing sufficient legroom for the passengers sitting in the front seats.

[0082] The housing 50 has a rear opening 55 on its lower surface and an electric heater insertion port 56 on its rear surface. The electric heater 33b can be inserted into the electric heater insertion port 56. In this way, the electric heater 33b can be attached to or detached from the housing 50 without the electric heater 33b interfering with the rear air duct 16.

[0083] The present invention is not limited to the examples as long as the operations and beneficial effects of the present invention can be achieved.

[0084] Industrial Applicability

[0085] The air conditioner of the present invention is applicable to an air conditioner installed in a passenger vehicle.

[0086] List of Reference Numerals

[0087] 12: Front seat

[0088] 13: Rear seat

[0089] 20: Automotive air conditioner

[0090] 32: Cooling heat exchanger

[0091] 33: Heating heat exchanger

[0092] 33b: Electric heater

[0093] 41: Rear seat side blower component

[0094] 50: Housing

[0095] 55: Rear opening

[0096] 56: Electric heater insertion port

[0097] IS: Interior space

[0098] CP: Cold air flow path

[0099] HP: Hot air flow path

[0100] MP: Mixed air flow path.

Claims

1. An automotive air conditioner that can blow air toward the front seat (12) where a vehicle passenger can sit and the rear seat (13) located behind the front seat (12), the vehicle air conditioning system comprising: A housing (50); A cooling heat exchanger (32) capable of cooling the blown air; And A heating heat exchanger (33) capable of heating the air passing through the cooling heat exchanger (32), wherein The cooling heat exchanger (32) and the heating heat exchanger (33) are disposed in an internal space (IS) of the housing (50), The heating heat exchanger (33) is disposed behind the cooling heat exchanger (32) with respect to the traveling direction of the vehicle, A cold air flow path (CP), a hot air flow path (HP), and a mixed air flow path (MP) are formed in the internal space (IS), the blown air passing only through the cooling heat exchanger (32) flows through the cold air flow path (CP), the blown air passing through the heating heat exchanger (33) flows through the hot air flow path (HP), and the blown air passing through the cold air flow path (CP) and the blown air passing through the hot air flow path (HP) are mixed together in the mixed air flow path (MP), The heating heat exchanger (33) includes an electric heater (33b) whose temperature rises when energized, A rear seat side blower member (41) is disposed downstream of the heating heat exchanger (33) with respect to the direction of flow of the blown air, The rear seat side blower member (41) is configured to guide the blown air passing through the heating heat exchanger (33) to the rear seat (13), The rear seat side blower member (41) is disposed between the cooling heat exchanger (32) and the heating heat exchanger (33), The housing (50) has a rear opening (55) on a lower surface of the housing (50), and the blown air in the rear seat side blower member (41) is delivered to the rear seat (13) through the rear opening (55), and The housing (50) has an electric heater insertion port (56) on a rear surface of the housing (50), and the electric heater (33b) can be inserted into the electric heater insertion port (56).

2. The automotive air conditioner according to claim 1, wherein The front seat side temperature control device 34 includes an actuator for front seat side temperature control, a driving force transmission shaft including a pinion (34a) and connected to the actuator for front seat side temperature control, and a door body (34b) engaged with the pinion (34a), wherein The actuator for front seat side temperature control is attached to a side surface of the housing (50).

3. The automotive air conditioner according to claim 1, wherein The heating heat exchanger (33) includes a hot water heater (33a), wherein The hot water heater (33a) has a hot water supply pipe and a hot water discharge pipe, and a part of these pipes is arranged along a side surface of the housing (50).

4. The automotive air conditioner according to any one of claims 1 to 3, wherein The electric heater (33b) includes a heat exchange part and an amplifier, wherein The amplifier is larger than the heat exchange part and is arranged outside the housing (50).

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