WO2021019953A1

WO2021019953A1 - Heat exchange unit

Info

Publication number: WO2021019953A1
Application number: PCT/JP2020/024301
Authority: WO
Inventors: 明宏前田; 悠起朗設楽
Original assignee: 株式会社デンソー
Priority date: 2019-07-26
Filing date: 2020-06-22
Publication date: 2021-02-04
Also published as: JP2021020536A

Abstract

A heat exchange unit (10) is provided with: a first heat exchanger (100); a second heat exchanger (200) disposed at a position adjacent to the first heat exchanger in a predetermined direction; and a held member (300) held at a position between the first heat exchanger and the second heat exchanger. The first heat exchanger has a pair of tanks (110, 120) that are containers for temporarily storing a fluid and that are disposed so as to be aligned in the horizontal direction. The held member is held by the first heat exchanger by being connected to a portion between the pair of tanks in the first heat exchanger.

Description

Heat exchange unit

Cross-reference of related applications

This application is based on Japanese Patent Application No. 2019-137735 filed on July 26, 2019, which claims the benefit of its priority, and the entire content of the patent application is: Incorporated herein by reference.

This disclosure relates to a heat exchange unit.

The vehicle is equipped with multiple heat exchangers. Examples of such a heat exchanger include a condenser for air conditioning, a radiator for cooling an internal combustion engine, and the like. As described in Patent Document 1 below, a plurality of heat exchangers are modularized, and the whole is often configured as one heat exchange unit. The heat exchange unit is generally arranged in the front side portion of the vehicle so that the air flowing from the front grill of the vehicle passes through each heat exchanger.

In recent years, with the increase in the number of devices arranged in the space inside the vehicle, it has been required to make the dimensions of the heat exchange units as small as possible, especially along the front-rear direction. If the same size is large, even if the heat exchange unit can be mounted on the vehicle, there is a problem that the heat exchange unit is easily damaged due to deformation of peripheral members at the time of a vehicle collision. Occurs.

Japanese Unexamined Patent Publication No. 2015-101333

The present inventors have considered, as one aspect of the heat exchange unit as described above, a configuration in which a thin device such as a shutter device is arranged at a position between a pair of heat exchangers. There is. In such a heat exchange unit, as a configuration for holding the shutter device or the like, it is conceivable that the held portion of the shutter device or the like is interposed between the tanks of the respective heat exchangers and fixed. Be done.

However, in such a configuration, it is necessary to secure the distance between the tanks of each heat exchanger by the thickness of the held portion of the shutter device or the like. As a result, the size of the heat exchange unit along the front-rear direction of the vehicle becomes large.

An object of the present disclosure is to provide a heat exchange unit capable of suppressing dimensions along the front-rear direction of a vehicle.

The heat exchange unit according to the present disclosure includes a first heat exchanger, a second heat exchanger arranged adjacent to the first heat exchanger along a predetermined direction, a first heat exchanger, and a second heat. It includes a held member that is held at a position between the exchanger and the exchanger. The first heat exchanger is a container for temporarily storing fluid, and has a pair of tanks arranged so as to be arranged in the horizontal direction, and the held member is one of the first heat exchangers. , By being connected to the portion between the pair of tanks, held by the first heat exchanger.

In the heat exchange unit having such a configuration, a held member such as a shutter device is held at a position between the first heat exchanger and the second heat exchanger. The first heat exchanger has a pair of tanks arranged so as to be arranged in the horizontal direction, and the held member is a portion of the first heat exchanger between the pair of tanks. It is held by being connected. In such a configuration, it is not necessary to interpose a portion of the members to be held to be held between the tanks of the first heat exchanger and the second heat exchanger. Therefore, the dimensions along the front-rear direction of the vehicle can be suppressed.

According to the present disclosure, a heat exchange unit capable of suppressing the dimensions along the front-rear direction of the vehicle is provided.

FIG. 1 is a diagram schematically showing a state in which the heat exchange unit according to the first embodiment is mounted on a vehicle. FIG. 2 is a diagram showing a configuration of a radiator included in the heat exchange unit according to the first embodiment. FIG. 3 is a diagram showing a configuration of a shutter device included in the heat exchange unit according to the first embodiment. FIG. 4 is a diagram schematically showing a configuration for holding a shutter device of the heat exchange unit according to the first embodiment. FIG. 5 is a diagram schematically showing a configuration for holding a shutter device of the heat exchange unit according to the second embodiment. FIG. 6 is a diagram schematically showing a configuration for holding a shutter device of the heat exchange unit according to the second embodiment. FIG. 7 is a diagram schematically showing a configuration for holding a shutter device of the heat exchange unit according to the third embodiment. FIG. 8 is a diagram schematically showing a configuration for holding a shutter device of the heat exchange unit according to the third embodiment. FIG. 9 is a diagram schematically showing a configuration for holding a shutter device of the heat exchange unit according to the fourth embodiment. FIG. 10 is a diagram schematically showing a configuration for holding a shutter device of the heat exchange unit according to the fourth embodiment. FIG. 11 is a diagram schematically showing a configuration for holding a shutter device of the heat exchange unit according to the fifth embodiment. FIG. 12 is a diagram for explaining a configuration for holding the shutter device of the heat exchange unit according to the fifth embodiment. FIG. 13 is a diagram schematically showing a configuration for holding a shutter device of the heat exchange unit according to the comparative example.

Hereinafter, the present embodiment will be described with reference to the attached drawings. In order to facilitate understanding of the description, the same components are designated by the same reference numerals as much as possible in each drawing, and duplicate description is omitted.

The heat exchange unit 10 according to the present embodiment is a device mounted on a vehicle MV, and is configured as a modularized device by combining a radiator 100, a condenser 200, and the like, which will be described later. As shown in FIG. 1, the heat exchange unit 10 is mounted on the front side portion of the vehicle MV, specifically, on the rear side of the opening OP provided in the front grill of the vehicle MV. The vehicle MV is a vehicle that travels by a driving force of an internal combustion engine (not shown), but may be a vehicle that travels by a driving force other than the internal combustion engine, such as an electric vehicle.

The heat exchange unit 10 includes a radiator 100, a condenser 200, and a shutter device 300. As described above, these are modularized, and the whole is configured as one heat exchange unit 10.

The radiator 100 is a heat exchanger for exchanging heat between air and cooling water. Cooling water circulates between the radiator 100 and an internal combustion engine (not shown). The cooling water that has passed through the internal combustion engine and has become hot is cooled by heat exchange with air when passing through the radiator 100, and the temperature is lowered. The low-temperature cooling water is supplied to the internal combustion engine again and used for cooling the internal combustion engine. It should be noted that what is cooled by the cooling water passing through the radiator 100 may be an internal combustion engine as in the present embodiment, but may be a device other than the internal combustion engine such as an inverter. The radiator 100 corresponds to the "first heat exchanger" in this embodiment.

The condenser 200 is a heat exchanger for exchanging heat between air and an air conditioning refrigerant. The condenser 200 is configured as part of a refrigeration cycle that constitutes an air conditioner (not shown). In the condenser 200, heat is dissipated from the air conditioning refrigerant to the air. The condenser 200 is arranged at a position adjacent to the radiator 100 along the front-rear direction of the vehicle MV. Specifically, the condenser 200 is arranged at a position upstream of the radiator 100 along the direction in which air flows, that is, the direction from the opening OP toward the rear side. The condenser 200 corresponds to the "second heat exchanger" in this embodiment. The air that has flowed into the vehicle MV from the opening OP passes through the condenser 200 and the radiator 100 in order, and is subjected to heat exchange in each heat exchanger.

The shutter device 300 is a device for adjusting the flow rate of air passing through the condenser 200 and the radiator 100. The shutter device 300 is held at a position between the radiator 100 and the condenser 200 along the direction of air flow as described above. The shutter device 300 corresponds to the "held member" in the present embodiment. A specific configuration for holding the shutter device 300 will be described later.

The configuration of the radiator 100 will be described with reference to FIG. FIG. 2 shows a state in which the radiator 100 is viewed from the front side of the vehicle MV.

The radiator 100 includes a tank 110 and a tank 120. The tank 110 is a container for temporarily storing the cooling water, and is arranged on the right side portion of the radiator 100 of the vehicle MV. The tank 110 is arranged so that its longitudinal direction is along the vertical direction. Like the tank 110, the tank 120 is a container for temporarily storing the cooling water, and is arranged on the left side portion of the radiator 100 of the vehicle MV. The tank 120 is also arranged so that its longitudinal direction is along the vertical direction. Both the tank 110 and the tank 120 are made of resin. In this way, the pair of

tanks

110 and 120 included in the radiator 100 are arranged so as to be arranged along the horizontal direction.

The tank 110 and the tank 120 are connected by a plurality of tubes 130 extending in the left-right direction. Each tube 130 is arranged so as to be arranged in the vertical direction. Further, fins 140 are arranged at positions adjacent to the respective tubes along the vertical direction. The fin 140 is a member formed by bending a plate-shaped metal member, and is a so-called corrugated fin. As described above, in the radiator 100, the tubes 130 and the fins 140 are laminated so as to be alternately arranged in the vertical direction. The tube 130 and the fin 140 are joined by a brazing material.

The

tanks

110 and 120 have

core plates

112 and 122, respectively. The

core plates

112 and 122 are substantially flat metal members extending in the vertical direction. A plurality of through holes (not shown) are formed in the

core plates

112 and 122, and each tube 130 is inserted into and in contact with the through holes.

The tank 110 covers the core plate 112 from the right side of the vehicle MV, and is fixed to the core plate 112 by crimping. The space between the tank 110 and the core plate 112 is a space for storing cooling water. Therefore, the core plate 112 can be said to be a part of a container for storing cooling water, that is, a part of a tank 110.

Similarly, the tank 120 covers the core plate 122 from the left side of the vehicle MV, and is fixed to the core plate 122 by crimping. The space between the tank 120 and the core plate 122 is a space for storing cooling water. Therefore, the core plate 122 can be said to be a part of a container for storing cooling water, that is, a part of a tank 120.

Reinforcing

plates

150 and 160 for reinforcing the tubes 130 and fins 140 are arranged on the uppermost side and the lowermost side of the parts where the tubes 130 and the fins 140 are laminated in the vertical direction.

The reinforcing plate 150 is arranged at a position further upward of the tube 130 arranged on the uppermost side. Fins 140 are also arranged between the reinforcing plate 150 and the tube 130, and the reinforcing plate 150 and the fins 140 and the tube 130 and the fins 140 are both joined by a brazing material.

The reinforcing plate 160 is arranged at a position further downward of the tube 130 arranged on the lowermost side. Fins 140 are also arranged between the reinforcing plate 160 and the tube 130, and the reinforcing plate 160 and the fins 140 and the tube 130 and the fins 140 are both joined by a brazing material.

A pair of reinforcing

plates

150 and 160 sandwich a plurality of tubes 130 from above and below, thereby reinforcing the entire plurality of tubes 130 and fins 140.

The cooling water supplied from the outside to the radiator 100 moves between the tank 110 and the tank 120 through the tube 130. At that time, heat exchange is performed between the cooling water passing through the inside of the tube 130 and the air passing through the outside of the tube 130. The air is introduced from the opening OP of the front grill, and flows from the front side to the rear side of the vehicle MV by a fan (not shown). The air is the air after passing through the condenser 200 and the shutter device 300. The cooling water is cooled by air to lower its temperature.

The configuration of the condenser 200 will be described. It is a part of a vehicle air conditioner mounted on a vehicle MV and is for condensing an air conditioner refrigerant by heat exchange with air. Although specific illustration is omitted, the specific configuration of the condenser 200 is the same as the configuration of the radiator 100 shown in FIG. That is, the condenser 200 includes a pair of tanks arranged along the left-right direction, and tubes and fins arranged between the pair of tanks. The position of each tank included in the condenser 200 is a position facing the

tanks

110 and 120 included in the radiator 100 on the front side of the vehicle MV. The tank of the condenser 200 is connected directly or via a bracket to a hook (not shown) formed in the

tanks

110 and 120 of the radiator 100.

The air-conditioning refrigerant supplied from the outside to the condenser 200 moves between the pair of tanks included in the condenser through the tube provided in the condenser 200. At that time, heat exchange is performed between the air-conditioning refrigerant passing through the inside of the tube and the air passing through the outside of the tube. The air is introduced from the opening OP of the front grill, and flows from the front side to the rear side of the vehicle MV by a fan (not shown). The air-conditioning refrigerant loses heat from the air and condenses, changing from a gas phase to a liquid phase.

The configuration of the shutter device 300 will be described with reference to FIG. FIG. 3 depicts a state in which the shutter device 300 is viewed from the front side of the vehicle MV. The shutter device 300 includes a frame 310 and a blade 340.

The frame 310 is a rectangular frame made of resin. The outer shape of the frame 310 when viewed from the front side of the vehicle MV is substantially the same as the outer shape of the portion of the radiator 100 through which air passes. A plurality of blades 340 are held inside the frame 310.

The blade 340 is an elongated plate-shaped member extending in the vertical direction, and a plurality of blades 340 are provided in the shutter device 300. The blades 340 are arranged so as to be arranged along the left-right direction of the vehicle MV. Each blade 340 is rotatably supported around a rotation axis along the vertical direction. By rotating the blade 340 as described above, the open state in which a gap is formed between the blades 340 and the closed state in which the ends of the blades 340 are in contact with each other and no gap is formed between them. You can switch between states.

Such an operation of the blade 340 is realized by a drive device 350 provided on the upper part of the frame 310 and a power transmission mechanism (not shown). In the above open state, air passes through the heat exchange unit 10 and flows. As a result, heat exchange is performed in each of the radiator 100 and the condenser 200. On the other hand, in the closed state, the flow of air passing through the heat exchange unit 10 is blocked by the blade 340 of the shutter device 300. Therefore, heat exchange is hardly performed in each of the radiator 100 and the condenser 200.

The configuration for holding the shutter device 300 will be described with reference mainly to FIG. As shown in the figure, the reinforcing plate 150 provided on the upper side portion of the radiator 100 is formed by bending a plate-shaped metal member, and has a horizontal portion 151 and folded

portions

152 and 153. doing.

The horizontal portion 151 is a flat plate-shaped portion arranged so as to substantially follow a horizontal plane. As described above, the fins 140 are brazed to the lower surface of the horizontal portion 151. The folded-back portion 152 is a flat plate-shaped portion formed by folding back the horizontal portion 151 so as to project upward from the front end portion of the vehicle MV. The folded-back portion 153 is a flat plate-shaped portion formed by folding back the horizontal portion 151 so as to project upward from the rear end portion of the vehicle MV.

As shown in FIGS. 2 and 4, two through holes 155 are formed in the folded-back portion 152 so as to penetrate the folded-back portion 152 along the front-rear direction of the vehicle MV.

A fixed plate 320 is formed on the frame 310 of the shutter device 300. The fixed plate 320 is a flat plate-shaped portion formed so as to extend upward from the upper end portion of the frame 310 and the rear end portion of the vehicle MV.

As shown in FIGS. 3 and 4, the fixed plate 320 is formed with two through holes 321 so as to penetrate the fixed plate 320 along the front-rear direction of the vehicle MV. The positions where the through holes 321 are formed are all positions facing the through holes 155 formed in the folded-back portion 152.

The shutter device 300 is fixed to the radiator 100 by a bolt 400 which is a fastening member. The bolt 400 is inserted into the through hole 321 and the through hole 155. A nut (not shown) is arranged on the rear side of the folded-back portion 152. By fastening the nut and the bolt 400, the folded-back portion 152 and the fixed plate 320 are in contact with each other, and the shutter device 300 is fixed to the radiator 100.

The shutter device 300 is fixed to the radiator 100 by the above configuration in the upper portion, but is also fixed in the lower portion by the same configuration as described above.

Briefly, the reinforcing plate 160 arranged on the lower side has a shape that is vertically symmetrical with the reinforcing plate 150 arranged on the upper side. As shown in FIG. 2, of the reinforcing plate 160, a through hole 165 similar to the through hole 155 is formed in the folded portion 162 which is a portion corresponding to the folded portion 152 of the reinforcing plate 150. Further, as shown in FIG. 3, a fixed plate 330 is formed on the frame 310. The fixed plate 330 is a flat plate-shaped portion formed so as to extend downward from the lower end portion of the frame 310 and the rear end portion of the vehicle MV. The fixed plate 330 is formed with a through hole 331 similar to the through hole 321. The fixing of the shutter device 300 to the radiator 100 in the lower portion is performed by inserting a bolt 400 into the through hole 331 and the through hole 165 and fastening the bolt 400 and the nut.

As described above, the shutter device 300, which is a held member, is connected to the portion between the pair of

tanks

110 and 120 of the radiator 100, which is the first heat exchanger, so that the radiator 100 is connected. Is held by. Specifically, the shutter device 300 is connected to the reinforcing

plates

150 and 160 included in the radiator 100 by bolts 400 which are fastening members.

In order to explain the effect of having the heat exchange unit 10 configured as described above, a comparative example shown in FIG. 13 will be described.

The heat exchange unit 10A according to this comparative example includes a radiator 100, a condenser 200, and a shutter device 300, as in the present embodiment. In this comparative example, the configuration for combining and integrating these three structures is different from that of the present embodiment.

In FIG. 13, the configuration of the tank 120 and its vicinity of the heat exchange unit 10A is schematically shown in a top view.

In FIG. 13, reference numeral 220 is attached to the tank included in the condenser 200. Hereinafter, the tank is also referred to as a “tank 220”. Further, reference numeral 230 is attached to a tube included in the condenser 200.

In this comparative example, the arm portion 311 is provided on the frame 310 of the shutter device 300. The arm portion 311 extends toward the left side of the vehicle MV and is interposed at a position between the tank 120 and the tank 220. At that position, the arm portion 311 is connected and fixed to the tank 120 by a connection mechanism (not shown).

In such a configuration, it is necessary to leave a wide space between the tank 120 and the tank 220 in order to avoid interference between the arm portion 311 which is a holding portion of the shutter device 300 and other members. is there. In particular, in the tank 120, since the core plate 122 protrudes to the front side, it is necessary to secure a wide distance between the front side end portion of the core plate 122 and the rear side end portion of the tank 220. In FIG. 13, such a wide interval to be secured is indicated by the reference numeral “L1”. In this comparative example, as a result of securing a wide interval of L1, the dimensions of the heat exchange unit 10A along the front-rear direction of the vehicle MV have become relatively large. In recent years, as the number of devices arranged in the space inside the vehicle increases, the restrictions on dimensions tend to become stricter, so the configuration of such a comparative example is not preferable.

On the other hand, in the heat exchange unit 10 according to the present embodiment, as described above, the shutter device 300, which is a held member, has a pair of

tanks

110, 120 among the radiator 100, which is the first heat exchanger. It is connected to the part in between. In such a configuration, it is not necessary to interpose a part of the shutter device 300 between the tank 120 and the tank 220 as in the arm portion 311 of the comparative example. Therefore, L1 shown in FIG. 13 can be made as small as possible within a range in which the core plate 122 and the tank 220 do not come into contact with each other. As a result, the dimensions of the heat exchange unit 10 along the front-rear direction of the vehicle MV can be suppressed.

The second embodiment will be described with reference to FIGS. 5 and 6. The present embodiment is different from the first embodiment in the configuration for holding the shutter device 300. In the following, the points different from the first embodiment will be mainly described, and the points common to the first embodiment will be omitted as appropriate.

As shown in FIG. 5, in the present embodiment, the through hole 155 is not formed in the folded-back portion 152 of the reinforcing plate 150, and instead, the protruding plate portion 156 is formed in the folded-back portion 152. The protruding plate portion 156 is a flat plate-shaped portion formed so as to extend further upward from the upper end portion of the folded-back portion 152. Similar to the through hole 155 of the first embodiment, two projecting plate portions 156 are formed in the folded-back portion 152, but only one of them is shown in FIG.

Two through holes 157 are formed in the protruding plate portion 156 so as to penetrate the protruding plate portion 156 along the front-rear direction of the vehicle MV. Each of the through holes 157 is a slit-shaped hole extending along the left-right direction of the vehicle MV, and is formed so as to be lined up along the vertical direction. The through hole 157 corresponds to one of the "reception portions" in the present embodiment.

A protruding plate portion 322 is formed on the fixed plate 320. The projecting plate portion 322 is a substantially flat plate-shaped portion formed so as to extend further upward from the upper end portion of the fixed plate 320. Two projecting plate portions 322 are formed, and each of them is formed at a position facing the projecting plate portion 156 of the folded-back portion 152, but only one of them is shown in FIG.

The protrusion 323 is formed with a protrusion 323 that protrudes toward the rear side of the vehicle MV. Two protrusions 323 are formed, and each of them is formed at a position facing the through hole 157 of the protrusion plate portion 156. The protrusion 323 is generally flat and is formed so as to extend along a horizontal plane. The protrusion 323 corresponds to one of the "protrusions" in the present embodiment.

When connecting the shutter device 300 to the radiator 100, by moving the shutter device 300 to the rear side from the state shown in FIG. 5, each protrusion 323 is inserted into the through hole 157 of the protrusion plate portion 156. Since the protrusion 323 is formed with a hook for preventing the protrusion, the protrusion 323 is fixed to the protrusion plate portion 156.

As described above, in the present embodiment, the protrusion 323, which is a "protrusion portion" formed in the shutter device 300, is a through hole which is a "reception portion" formed in the reinforcing plate 150 arranged on the upper side. It is inserted against 157. The direction in which the protrusion 323 protrudes is the front-rear direction of the vehicle MV, that is, the direction along the direction in which the radiator 100, the shutter device 300, and the condenser 200 are arranged. The upper portion of the shutter device 300 is held by the radiator 100 by the above configuration.

As shown in FIG. 6, the reinforcing plate 160 arranged on the lower side is formed by bending a plate-shaped metal member, and has a horizontal portion 161 and folded

portions

162 and 163. ing. The horizontal portion 161 is a flat plate-shaped portion arranged so as to substantially follow a horizontal plane. Fins 140 are brazed to the upper surface of the horizontal portion 161. The folded-back portion 162 is a flat plate-shaped portion formed by folding back the horizontal portion 161 so as to extend downward from the front end portion of the vehicle MV. The folded-back portion 163 is a flat plate-shaped portion formed by folding back the horizontal portion 161 so as to extend downward from the rear end portion of the vehicle MV. The configuration of the reinforcing plate 160 as described above is the same as that of the first embodiment.

In the present embodiment, the protruding plate portion 166 is formed on the folded portion 162 of the reinforcing plate 160. The protruding plate portion 166 is a flat plate-shaped portion formed so as to extend further downward from the lower end portion of the folded-back portion 162. Two projecting plate portions 166 are formed in the folded-back portion 162, but only one of them is shown in FIG.

A horizontal plate portion 167 is formed in the protruding plate portion 166. The horizontal plate portion 167 is formed so as to extend from the lower end portion of the protruding plate portion 166 toward the front side of the vehicle MV. A circular through hole 168 is formed in the projecting plate portion 166 so as to penetrate the projecting plate portion 166 in the vertical direction. The through hole 168 corresponds to another "reception portion" in the present embodiment.

A cylindrical protrusion 335 is formed on the lower end surface of the shutter device 300. The protrusion 335 is formed so as to extend downward from the lower end surface of the shutter device 300, specifically, the lower end surface of the frame 310. The protrusion 335 corresponds to another "protrusion" in the present embodiment.

When connecting the shutter device 300 to the radiator 100, as shown by the alternate long and short dash line in FIG. 5, the protrusion 335 of the shutter device 300 is inserted through the through hole 168 of the horizontal plate portion 167 from above. The frame 310 of the shutter device 300 is placed on the upper surface of the horizontal plate portion 167. Since the protrusion 335 is inserted through the through hole 168, the displacement of the shutter device 300 along the horizontal direction is prevented.

As described above, in the present embodiment, the protrusion 335, which is the "protrusion portion" formed in the shutter device 300, is the through hole which is the "reception portion" formed in the reinforcing plate 160 arranged on the lower side. It is inserted against 168. The direction in which the protrusion 335 protrudes is a downward direction. The lower portion of the shutter device 300 is held by the radiator 100 by the above configuration. When connecting the shutter device 300 to the radiator 100, first, the lower portion of the shutter device 300 may be connected, and then the upper portion may be connected. The present embodiment having the configuration described above also has the same effect as that described in the first embodiment.

It should be noted that various configurations different from the above can be adopted as the configuration of the protruding portion protruding downward and the configuration of the receiving portion for receiving the protruding portion. For example, the protrusion may have a flat plate shape instead of a cylindrical shape. In this case, the receiving portion may be configured to receive the protruding portion between the two opposing planes, or may have a slit-shaped opening.

The third embodiment will be described with reference to FIGS. 7 and 8. The present embodiment is different from the first embodiment in the configuration for holding the shutter device 300. In the following, the points different from the first embodiment will be mainly described, and the points common to the first embodiment will be omitted as appropriate.

As shown in FIG. 7, in the present embodiment, the through hole 155 is not formed in the folded-back portion 152 of the reinforcing plate 150, and instead, the protruding plate portion 158 is formed in the folded-back portion 152. The protruding plate portion 158 is a flat plate-shaped portion formed so as to extend further upward from the upper end portion of the folded-back portion 152. Similar to the through hole 155 of the first embodiment, two projecting plate portions 158 are formed in the folded-back portion 152, but only one of them is shown in FIG. 7.

One through hole 159 is formed in the protruding plate portion 158 so as to penetrate the protruding plate portion 158 along the front-rear direction of the vehicle MV. The through hole 159 is a slit-shaped hole extending along the left-right direction of the vehicle MV.

A protruding plate portion 324 is formed on the fixed plate 320. The projecting plate portion 324 is a flat plate-shaped portion formed so as to extend further upward from the upper end portion of the fixed plate 320. Two projecting plate portions 324 are formed, and each of them is formed at a position facing the projecting plate portion 158 of the folded-back portion 152, but only one of them is shown in FIG. 7.

One through hole 325 is formed in the protruding plate portion 324 so as to penetrate the protruding plate portion 324 along the front-rear direction of the vehicle MV. The through hole 325 is a slit-shaped hole extending along the left-right direction of the vehicle MV.

When the shutter device 300 is connected to the radiator 100, the projecting plate portion 158 and the projecting plate portion 324 are overlapped along the front-rear direction of the vehicle, and the holding tool 500 shown in FIG. 7 is used for both. It is attached so as to sandwich.

The holding tool 500 has a horizontal portion 510 and a pair of

arm portions

511 and 512. The horizontal portion 510 is a portion formed in a substantially flat plate shape along the horizontal plane. The arm portion 511 is formed so as to extend downward from the front end portion of the vehicle MV in the horizontal portion 510. The arm portion 512 is formed so as to extend downward from the rear end of the horizontal portion 510 of the vehicle MV.

FIG. 8 shows a state in which the holding tool 500 is attached to the protruding plate portion 158 and the protruding plate portion 324 that are overlapped with each other. As shown in the figure, the protruding plate portion 158 and the protruding plate portion 324 are in a state of being sandwiched between the

arm portions

511 and 512 of the holding tool 500. At this time, the hook formed at the tip of the arm portion 511 is in a state of being inserted into the through hole 325. Similarly, the hook formed at the tip of the arm portion 511 is in a state of being inserted into the through hole 159. As a result, the holding tool 500 is prevented from coming off upward, so that the protrusion plate portion 158 and the protrusion plate portion 324 are firmly fixed.

As described above, in the present embodiment, the holding tool 500 for sandwiching and fixing the protruding plate portion 324 which is a part of the held member and the protruding plate portion 158 which is a part of the reinforcing plate 150 is provided. There is. The upper portion of the shutter device 300 is held by the radiator 100 by the above configuration.

In the present embodiment, the lower portion of the shutter device 300 is held by the radiator 100 in the same configuration as the upper portion as described above. Instead of such an embodiment, the lower portion of the shutter device 300 is held by the radiator 100 by the same configuration as the first embodiment shown in FIG. 4 or the same configuration as the second embodiment shown in FIG. It may be the embodiment. The present embodiment having the configuration described above also has the same effect as that described in the first embodiment.

The fourth embodiment will be described with reference to FIGS. 9 and 10. The present embodiment is different from the first embodiment in the configuration for holding the shutter device 300. In the following, the points different from the first embodiment will be mainly described, and the points common to the first embodiment will be omitted as appropriate.

As shown in FIG. 9, in the present embodiment, the through hole 155 is not formed in the folded-back portion 152 of the reinforcing plate 150.

On the other hand, the fixed plate 320 is formed with a horizontal portion 326 and a hanging portion 327. The horizontal portion 326 is a flat plate-shaped portion formed so as to extend from the upper end portion of the fixed plate 320 toward the rear side of the vehicle MV. The hanging portion 327 is a flat plate-shaped portion formed so as to extend downward from the rear end portion of the horizontal portion 326.

When connecting the shutter device 300 to the radiator 100, as shown by the alternate long and short dash line in FIG. 9, the vicinity of the upper end portion of the folded-back portion 152 is placed in the gap between the fixed plate 320 and the hanging portion 327 from the lower side. Insert it into the state shown in FIG. That is, the portion from the fixed plate 320 to the hanging portion 327, that is, a part of the shutter device 300 which is a held member is hung from the upper side with respect to the folded-back portion 152. The upper portion of the shutter device 300 is held by the radiator 100 by the above configuration.

In the present embodiment, the lower portion of the shutter device 300 is held by the radiator 100 in the same configuration as in the second embodiment shown in FIG. Instead of such an embodiment, the lower portion of the shutter device 300 is held by the radiator 100 by the same configuration as the first embodiment shown in FIG. 4 or the same configuration as the third embodiment shown in FIG. It may be the embodiment. The present embodiment having the configuration described above also has the same effect as that described in the first embodiment.

The fifth embodiment will be described with reference to FIGS. 11 and 12. The present embodiment is different from the first embodiment in the configuration for holding the shutter device 300. In the following, the points different from the first embodiment will be mainly described, and the points common to the first embodiment will be omitted as appropriate.

As shown in FIG. 11, in the present embodiment, the shutter device 300 is provided with a rod-shaped portion 370. The rod-shaped portion 370 is a substantially cylindrical portion, and the central axis thereof is formed so as to be along the horizontal direction. The rod-shaped portion 370 is formed so as to project from a portion of the frame 310 of the shutter device 300 below the center in the vertical direction toward the rear side of the vehicle MV. In FIG. 11, the entire outer shape of the radiator 100 is schematically shown by a dotted line. The rod-shaped portion 370 is in a state of penetrating the portion of the radiator 100 in which the fins 140 are arranged along the front-rear direction of the vehicle MV.

In FIG. 12, the fins 140 are schematically drawn when viewed from the front side of the vehicle MV. The point P shown in the figure is a position at the center of the fin 140 in the vertical direction, and is a position of a gap between metal members forming the fin 140. The rod-shaped portion 370 shown in FIG. 11 is inserted so as to penetrate the fin 140 at the position of such a point P.

As the rod-shaped portion 370 is inserted, the metal member forming the fin 140 is expanded and deformed around the point P. The rod-shaped portion 370 is held by being sandwiched between the metal members deformed in this way. As shown in FIG. 11, since the hook for preventing the rod-shaped portion 370 is formed at the tip end portion, the inserted rod-shaped portion 370 is prevented from coming off from the fin 140.

As described above, in the present embodiment, the rod-shaped portion 370 projecting from the shutter device 300, which is the held member, along a predetermined direction is sandwiched by the metal member forming the fin 140, whereby the shutter device 300 The lower portion is held by the radiator 100. The "predetermined direction" in the above is a direction along the direction in which the radiator 100, the shutter device 300, and the condenser 200 are lined up.

In the present embodiment, the upper portion of the shutter device 300 is held by the radiator 100 in the same configuration as in the first embodiment shown in FIG. Instead of such an embodiment, the same configuration as the second embodiment shown in FIG. 5, the same configuration as the third embodiment shown in FIG. 7, and the same configuration as the fourth embodiment shown in FIG. 9 The upper portion of the shutter device 300 may be held by the radiator 100 according to any of the above. The present embodiment having the configuration described above also has the same effect as that described in the first embodiment.

In the above, an example in which the shutter device 300, which is a held member, is connected to the reinforcing plate 150 of the radiator 100 on the rear side thereof has been described, but the shutter device 300 is a condenser on the front side thereof. It may be connected to a part of 200, specifically, a part corresponding to the reinforcing plate 150 or the like. That is, the condenser 200 on the front side may correspond to the first heat exchanger, and the radiator 100 on the rear side may correspond to the second heat exchanger.

Further, the first heat exchanger that holds the held member may be the radiator 100 as in the above-described example, but may be another type of heat exchanger. For example, the first heat exchanger is either a condenser for condensing air conditioning refrigerant by heat exchange with air and an intercooler for cooling combustion air by heat exchange with air. May be good.

Similarly, the second heat exchanger may be the condenser 200 as in the example described above, but may be another type of heat exchanger. For example, the second heat exchanger may be either a radiator for cooling the cooling water by heat exchange with air and an intercooler for cooling the combustion air by heat exchange with air. ..

In the example described above, the held member held at a position between the first heat exchanger and the second heat exchanger is the shutter device 300 for adjusting the air flow. Instead of such an aspect, the held member may be a member other than the shutter device 300. The held member may be a thin member held between the first heat exchanger and the second heat exchanger.

The present embodiment has been described above with reference to specific examples. However, the present disclosure is not limited to these specific examples. Those skilled in the art with appropriate design changes to these specific examples are also included in the scope of the present disclosure as long as they have the features of the present disclosure. Each element included in each of the above-mentioned specific examples, its arrangement, conditions, shape, etc. is not limited to the illustrated one, and can be appropriately changed. The combinations of the elements included in each of the above-mentioned specific examples can be appropriately changed as long as there is no technical contradiction.

Claims

The heat exchange unit (10)
With the first heat exchanger (100)
A second heat exchanger (200) arranged at a position adjacent to the first heat exchanger along a predetermined direction,
A held member (300) held at a position between the first heat exchanger and the second heat exchanger is provided.
The first heat exchanger is
A container for temporarily storing fluid, having a pair of tanks (110, 120) arranged in a horizontal direction.
The held member is
A heat exchange unit held by the first heat exchanger by being connected to a portion of the first heat exchanger between the pair of tanks.
Between the pair of tanks of the first heat exchanger,
Multiple tubes (130) lined up in the vertical direction,
A pair of reinforcing plates (150, 160) that reinforce the tubes by sandwiching the plurality of the tubes from above and below are arranged.
The heat exchange unit according to claim 1, wherein the held member is connected to the reinforcing plate.
The heat exchange unit according to claim 2, wherein the held member is connected to the reinforcing plate by a fastening member (400).
The heat exchange unit according to claim 2, wherein the protruding portion (323,335) formed on the held member is inserted through the receiving portion (157,168) provided on the reinforcing plate.
The protruding portion protrudes along the predetermined direction and
The heat exchange unit according to claim 4, wherein the receiving portion is formed on the reinforcing plate located on the upper side.
The protruding portion protrudes downward and
The heat exchange unit according to claim 4, wherein the receiving portion is formed on the reinforcing plate on the lower side.
A folded-back portion (152) is formed on the reinforcing plate on the upper side so as to project toward the upper side.
The heat exchange unit according to claim 2, wherein a part of the held member is hung from the upper side with respect to the folded-back portion.
The heat exchange unit according to claim 2, further comprising a holding tool (500) for sandwiching and fixing a part of the held member and a part of the reinforcing plate.
Between the pair of tanks of the first heat exchanger,
Multiple tubes lined up in the vertical direction,
Fins (140), which are members formed by bending a plate-shaped metal member and are arranged at positions adjacent to the tube in the vertical direction, are arranged.
The heat exchange unit according to claim 1, wherein a rod-shaped portion (370) protruding from the held member in a predetermined direction is sandwiched between the metal members forming the fins.
One of the first heat exchanger and the second heat exchanger is a radiator for cooling the cooling water by heat exchange with air, and a condenser for condensing air conditioning refrigerant by heat exchange with air. The heat exchange unit according to any one of claims 1 to 9, wherein the heat exchange unit is one of an intercooler for cooling combustion air by heat exchange with air.