KR101744801B1 - Heat exchanger for vehicle - Google Patents

Heat exchanger for vehicle Download PDF

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Publication number
KR101744801B1
KR101744801B1 KR1020110038972A KR20110038972A KR101744801B1 KR 101744801 B1 KR101744801 B1 KR 101744801B1 KR 1020110038972 A KR1020110038972 A KR 1020110038972A KR 20110038972 A KR20110038972 A KR 20110038972A KR 101744801 B1 KR101744801 B1 KR 101744801B1
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KR
South Korea
Prior art keywords
heat
hole
holes
inlet hole
heat exchanger
Prior art date
Application number
KR1020110038972A
Other languages
Korean (ko)
Other versions
KR20120121159A (en
Inventor
김재연
김영준
차용웅
Original Assignee
현대자동차 주식회사
기아자동차 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.)
Filing date
Publication date
Application filed by 현대자동차 주식회사, 기아자동차 주식회사 filed Critical 현대자동차 주식회사
Priority to KR1020110038972A priority Critical patent/KR101744801B1/en
Priority to US13/315,941 priority patent/US9239195B2/en
Priority to JP2011271076A priority patent/JP2012229906A/en
Priority to CN201110451250.3A priority patent/CN102758677B/en
Priority to DE102011057190A priority patent/DE102011057190A1/en
Publication of KR20120121159A publication Critical patent/KR20120121159A/en
Priority to US14/966,290 priority patent/US20160097600A1/en
Application granted granted Critical
Publication of KR101744801B1 publication Critical patent/KR101744801B1/en

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D9/00—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
    • F28D9/0031—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits for one heat-exchange medium being formed by paired plates touching each other
    • F28D9/0043—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits for one heat-exchange medium being formed by paired plates touching each other the plates having openings therein for circulation of at least one heat-exchange medium from one conduit to another
    • F28D9/005—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits for one heat-exchange medium being formed by paired plates touching each other the plates having openings therein for circulation of at least one heat-exchange medium from one conduit to another the plates having openings therein for both heat-exchange media
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F27/00—Control arrangements or safety devices specially adapted for heat-exchange or heat-transfer apparatus
    • F28F27/02—Control arrangements or safety devices specially adapted for heat-exchange or heat-transfer apparatus for controlling the distribution of heat-exchange media between different channels
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
    • F28D2021/0019—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for
    • F28D2021/008—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for for vehicles
    • F28D2021/0089—Oil coolers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F2250/00—Arrangements for modifying the flow of the heat exchange media, e.g. flow guiding means; Particular flow patterns
    • F28F2250/06—Derivation channels, e.g. bypass
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F2280/00—Mounting arrangements; Arrangements for facilitating assembling or disassembling of heat exchanger parts
    • F28F2280/06—Adapter frames, e.g. for mounting heat exchanger cores on other structure and for allowing fluidic connections

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)

Abstract

A vehicle heat exchanger is disclosed. The vehicle heat exchanger according to an embodiment of the present invention includes a plurality of plates stacked to form a plurality of connection flow paths alternately different from each other, ; And a plurality of inlet holes and a plurality of discharge holes formed in the heat dissipating portion for introducing and discharging the respective working fluids, respectively, and connecting the inlet holes to the discharge holes, bypassing the working fluid according to the flow rate of the introduced working fluid .

Description

{HEAT EXCHANGER FOR VEHICLE}

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a vehicle heat exchanger, and more particularly, to a heat exchanger for a vehicle in which each working fluid flows into the interior thereof and the temperature is adjusted through mutual heat exchange.

Generally, a heat exchanger transfers heat from a high temperature fluid to a low temperature fluid through a heat transfer wall, and is used in a heater, a cooler, an evaporator, a condenser, and the like.

Such a heat exchanger can reuse the heat energy or adjust the temperature of the working fluid that is suited to the purpose of use, and is usually applied to an air conditioning system of a vehicle, a transmission oil cooler, and the like, and is mounted in an engine room.

Here, when the heat exchanger is installed in an engine room having a limited space, it is difficult to secure and mount the space, and research for reducing the size, weight, and high efficiency of the heat exchanger has been continued.

However, in the conventional heat exchanger, the operating fluid must be supplied to the engine, the transmission, and the air conditioner of the vehicle by adjusting the temperature of the working fluid according to the state of the vehicle. However, It is necessary to install a separate branch circuit on the flow path, which increases the number of components and assemblies, and the layout becomes complicated.

In addition, when a separate branch circuit is not installed, it is impossible to control the heat exchange efficiency according to the flow rate of the working fluid, thereby making it impossible to efficiently control the temperature of the working fluid.

Therefore, in the embodiments of the present invention, when each working fluid is temperature-controlled through mutual heat exchange in the interior, the warming function and the cooling function of the working fluid are performed simultaneously using the inflow flow rate of the working fluid according to the traveling state or the initial starting condition of the vehicle The present invention provides a heat exchanger for a vehicle that can control the temperature of the introduced working fluid so that it can be performed.

It is also intended to provide a vehicle heat exchanger capable of adjusting the temperature of the working fluid according to the state of the vehicle, thereby improving the fuel economy of the vehicle and improving the heating performance, and simplifying the structure and reducing the number of assembly operations.

In one or more embodiments of the present invention, a plurality of plates are stacked to form a connection flow passage alternately different from each other, and each of the different operation fluids flows in the respective connection flow passages, part; And a plurality of inlet holes and a plurality of discharge holes formed in the heat dissipating portion for introducing and discharging the respective working fluids, respectively, and connecting the inlet holes to the discharge holes, bypassing the working fluid according to the flow rate of the introduced working fluid Wherein each of the inlet holes includes first and second inlet holes each formed on one side of the heat dissipating unit in a longitudinal direction of the heat dissipating unit, the outlet holes corresponding to the first and second inlet holes And first and second discharge holes which are spaced apart from the first and second inflow holes on both sides in the longitudinal direction of the heat dissipation unit and are connected to each other in the heat dissipation unit, The first heat exchanger and the second heat exchanger may be connected to each other.

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The first inlet hole and the first outlet hole may be formed in the respective corner portions in a diagonal direction on one surface of the heat dissipation portion.

The second inlet hole and the second outlet hole may be formed in the respective corner portions in a diagonal direction on one surface of the heat dissipating portion and may be formed to face each other in the first inlet hole and the first outlet hole.

Each of the working fluids may be composed of cooling water flowing in from the radiator and transmission fluid flowing in from the automatic transmission.

The cooling water is circulated through the first inlet hole and the first outlet hole and the transmission oil is circulated through the second inlet hole and the second outlet hole, And a second connection passage through which the transmission oil flows and moves.

The branch portion may form a separate bypass flow path so as to discharge the cooling water introduced into the first inlet hole separately from the first connection passage at a position close to the first inlet hole and the first outlet hole, can do.

The heat dissipating unit can heat exchange the flows of the working fluids by counterflow.

The heat dissipation unit may be formed in a plate shape in which a plurality of plates are stacked.

As described above, according to the vehicle heat exchanger of the present invention, when the temperature of each working fluid is controlled through mutual heat exchange in the inside, the operating fluid It is possible to efficiently control the temperature of the introduced working fluid so as to simultaneously perform the warm-up function and the cooling function.

Further, since the temperature of the working fluid can be adjusted in accordance with the state of the vehicle, it is possible to improve the fuel economy and the heating performance of the vehicle, and to reduce the number of assembling operations by simplifying the structure.

In addition, it is possible to eliminate the branch circuit that was conventionally installed, thereby reducing the manufacturing cost and improving workability. When the operating fluid is the automatic transmission oil, the warming function for reducing friction at the time of cold start, It is possible to simultaneously perform the cooling function for maintaining the fuel economy and the durability of the transmission.

1 is a block diagram of an automatic transmission cooling system to which a vehicle heat exchanger according to an embodiment of the present invention is applied.
2 is a perspective view of a vehicle heat exchanger according to an embodiment of the present invention.
3 is a sectional view taken along the line AA in Fig.
4 is a cross-sectional view taken along the line BB in Fig.
FIG. 5 is a partially cutaway perspective view of a vehicle heat exchanger according to an embodiment of the present invention, showing a flow direction of each working fluid. FIG.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

It is to be understood that both the foregoing general description and the following detailed description of the present invention are exemplary and explanatory only and are not restrictive of the invention, It should be understood that various equivalents and modifications may be present.

2 is a perspective view of a vehicular heat exchanger according to an embodiment of the present invention. FIG. 3 is a cross-sectional view taken along line AA of FIG. 2, FIG. 4 is a cross-sectional view taken along the line BB of FIG. 2, and FIG. 5 is a partially cutaway perspective view of a vehicular heat exchanger according to an embodiment of the present invention.

Referring to the drawings, a vehicle heat exchanger 100 according to an embodiment of the present invention is applied to an automatic transmission cooling system of a vehicle.

1, the above-described automatic transmission cooling system basically includes a radiator 20 having a cooling fan 21 mounted thereon through a water pump 10, (Hereinafter, referred to as 'C.L'), and a heater core 30 connected to a vehicle heating system (not shown) on the cooling line CL.

Here, the vehicle heat exchanger 100 according to an embodiment of the present invention may be configured such that, when the temperature of each working fluid is mutually exchanged through heat exchange, the operating fluid The temperature of the introduced working fluid can be adjusted so as to simultaneously perform the warm-up function and the cooling function.

For this purpose, the vehicle heat exchanger 100 according to the embodiment of the present invention is provided between the water pump 10 and the heater core 30 and includes an automatic transmission 40 and an oil line (O. L ').

That is, in the present embodiment, each of the working fluids is composed of cooling water flowing from the radiator 20 and transmission oil flowing from the automatic transmission 40, through which the cooling water and the transmission fluid To control the temperature of the transmission oil.

2 to 4, the heat exchanger 100 includes a heat dissipating unit 110 and a branching unit 130. The heat exchanging unit 100 will be described in detail as follows.

First, the heat dissipation unit 110 is formed by stacking a plurality of plates and forming connection channels 113 alternately different from each other. And each of the connection flow passages 113 is passed through in a state in which different working fluids flow in.

Here, the heat dissipating unit 110 counterflows the flows of the working fluids to exchange heat with each other.

The heat dissipation unit 110 may have a plate shape (or a plate shape) in which a plurality of plates 111 are stacked.

The branching unit 130 includes a plurality of inflow holes 115 and a plurality of discharge holes 117 formed in the heat dissipating unit 110 for introducing and discharging the respective working fluids, One of the inlet holes 115 and the outlet hole 117 are connected to each other and the working fluid is bypassed without passing through the connection passage 113 according to the flow rate of the introduced working fluid.

The branching unit 130 connects the inlet hole 115 and the outlet hole 117 which are connected to each other through one of the connection flow paths 113 in the heat dissipation unit 110, And is connected separately from each connection flow passage 113 to bypass the working fluid.

In the present embodiment, each of the inflow holes 115 is composed of first and second inflow holes 115a and 115b formed on both sides of the heat dissipating unit 110 in the longitudinal direction.

Each of the discharge holes 117 corresponds to the first and second inflow holes 115a and 115b and extends from the first and second inflow holes 115a and 115b on both sides in the longitudinal direction of the heat dissipating unit 110, And the first and second discharge holes 117a and 117b may be formed in the heat dissipating unit 110 to be connected to each other.

Here, the first inlet hole 115a and the first outlet hole 117a are formed at each corner in a diagonal direction on one surface of the heat dissipation unit 110. [

The second inlet hole 115b and the second outlet hole 117b are formed in the respective corner portions in a diagonal direction on one surface of the heat dissipating portion 110 and the first inlet hole 115a and the second outlet hole 117b And are formed so as to face each other in the first discharge hole 117b.

The branched portion 120 connects the first inlet hole 115a and the first outlet hole 115b to each other and protrudes from one surface of the heat dissipating portion 110. [

The cooling water is circulated through the first inlet hole 115a and the first outlet hole 117a and the transmission oil is circulated through the second inlet hole 115b and the second outlet hole 117b.

A connection port 130 is mounted to the first and second inlet holes 115a and 115b and the first and second outlet holes 117a and 1117b and a connection hose or connection And may be connected to the radiator 20 and the automatic transmission 40 through a pipe or the like.

In the present embodiment, each of the connection flow paths 113 includes a first connection path 113a through which cooling water flows and a second connection path 113b through which the transmission fluid flows.

The branch portion 120 is formed at a position adjacent to the first inlet hole 115a and the first outlet hole 117a so as to be separated from the first connection passage 113a and to flow into the first inlet hole 115a, A separate bypass passage 121 is formed to directly discharge the refrigerant to the first discharge hole 117a.

When the flow rate of the cooling water is small when the cooling water flows into the bypass passage 121 through the first inlet hole 115a, the bypass passage 121 flows into the first connection passage 113a of the heat dissipating unit 110, The first discharge hole 117a and the first discharge hole 117a.
That is, since the height of the first connection passage 113a provided in the heat dissipation unit 110 is smaller than the vertical height of the bypass passage 121, the cooling water introduced into the first inlet hole 115a flows downward When the flow rate of the cooling water is small due to the flow resistance, the refrigerant does not flow into the first connection passage 113a of the heat dissipating unit 110 but flows through the bypass passage 121, (115a) and discharged to the outside of the heat exchanger (100).
In contrast, when the flow rate of the cooling water flowing into the first inlet hole 115a is large, the refrigerant flows into the first connection passage 113a together with the bypass flow passage 121, .

When the transmission oil needs to be warmed up depending on the state or mode of the vehicle, such as a running state, an idle mode, or an initial startup of the vehicle, the bypass flow path 121 is provided with a first connection passage 113a, The temperature of the transmission oil is prevented from lowering through heat exchange with the cooling water.

On the contrary, when the flow rate of the cooling water is large, the cooling water flows into the first connection passage 113a together with the bypass passage 121 to be introduced from the automatic transmission through the second inlet hole 115b, And the transmission oil passing through the connection passage 113b and the heat dissipating unit 110 are exchanged with each other.

Accordingly, the transmission fluid, which is generated by fluid friction generated by the operation of the torque converter and needs to be cooled, is supplied to the automatic transmission 40 in a cooled state through mutual heat exchange with the cooling water in the heat dissipation unit 110.

That is, the heat exchanger 100 prevents the slip of the automatic transmission by supplying the transmission oil cooled by the transmission rotating at a high speed.

Therefore, when the vehicle heat exchanger 100 according to the embodiment of the present invention as described above is used, it is possible to control the operation of the vehicle heat exchanger 100 according to the running state of the vehicle or the initial starting condition The flow rate of the working fluid can be used to efficiently control the temperature of the working fluid so as to simultaneously perform the warming up function and the cooling function of the working fluid.

Further, since the temperature of the working fluid can be adjusted in accordance with the state of the vehicle, it is possible to improve the fuel economy and the heating performance of the vehicle, and to reduce the number of assembling operations by simplifying the structure.

In addition, it is possible to eliminate the branch circuit which has been conventionally installed, thereby reducing manufacturing costs and improving workability. When the operating fluid is an automatic transmission oil, the warming function for reducing friction at cold start, It is possible to simultaneously perform the cooling function for maintaining the durability, so that the fuel consumption and the durability of the transmission can be improved.

In the meantime, in describing the vehicle heat exchanger 100 according to the embodiment of the present invention, it is explained that each working fluid is composed of cooling water and transmission oil. However, the present invention is not limited to this, Applicable to all working fluids that require a temperature rise.

In the following description of a vehicle heat exchanger according to an embodiment of the present invention, a plurality of plates 111 are simply stacked, but the present invention is not limited thereto, and consideration may be given to mounting of the heat exchanger A cover, a bracket, and the like can be mounted on one side and the other side, respectively, to prevent breakage due to contact with other parts, or to fix the other parts or the inside of the engine room.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed exemplary embodiments. It will be understood that various modifications and changes may be made without departing from the scope of the appended claims.

100: heat exchanger 110:
111: plate 113: connection channel
113a, 113b: first and second connection flow passages 115: inlet holes
115a, 115b: first and second inlet holes 117: outlet hole
117a, 117b: first and second discharge holes 120:
121: Bypass channel

Claims (10)

A plurality of plates are stacked to form a plurality of connection flow paths alternately different from each other, and a heat dissipation unit in which different working fluids flow into the respective connection flow paths and heat exchange is performed between the plurality of plates; And
And a plurality of inlet holes and a plurality of discharge holes formed in the heat dissipating unit for introducing and discharging the respective working fluids, And a branching part for bypassing the working fluid to one of the discharge holes connected to the inflow hole without passing through the heat dissipating part according to the flow rate of the working fluid flowing into the inflow hole,
Wherein each of the inflow holes includes first and second inflow holes formed on both sides of one side in the longitudinal direction of the heat dissipation unit,
Wherein each of the discharge holes is formed so as to be spaced apart from the first and second inflow holes on both sides in the longitudinal direction of the heat dissipating unit corresponding to the first and second inflow holes, And first and second discharge holes which are connected to each other,
Wherein the branch portion interconnects the first inlet hole and the first outlet hole and is formed to protrude from one surface of the heat dissipation portion. delete delete The method according to claim 1,
The first inlet hole and the first outlet hole
Wherein the heat dissipating portion is formed at each corner portion in a diagonal direction on one surface of the heat dissipating portion. The method according to claim 1,
The second inlet hole and the second outlet hole
Wherein the first and second discharge holes are formed in respective corner portions in a diagonal direction on one surface of the heat dissipation unit and are formed to face each other in the first and second discharge holes. The method according to claim 1,
Each of the working fluids
A cooling water flowing from the radiator, and a transmission fluid flowing from the automatic transmission. The method according to claim 6,
The cooling water is circulated through the first inlet hole and the first outlet hole, the transmission oil is circulated through the second inlet hole and the second outlet hole,
Each of the connection ducts
A first connection passage through which the cooling water flows and a second connection passage through which the transmission oil flows. 8. The method of claim 7,
The branching unit
And a bypass flow passage for discharging the cooling water introduced into the first inlet hole separately from the first connection passage at a position close to the first inlet hole and the first outlet hole, group. The method according to claim 1,
The heat-
A vehicle heat exchanger for mutual heat exchange by counterflow (flow counterflow) of each working fluid. The method according to claim 1,
The heat-
A vehicle heat exchanger formed in a plate shape in which a plurality of plates are stacked.
KR1020110038972A 2011-04-26 2011-04-26 Heat exchanger for vehicle KR101744801B1 (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
KR1020110038972A KR101744801B1 (en) 2011-04-26 2011-04-26 Heat exchanger for vehicle
US13/315,941 US9239195B2 (en) 2011-04-26 2011-12-09 Heat exchanger for vehicle
JP2011271076A JP2012229906A (en) 2011-04-26 2011-12-12 Heat exchanger for vehicle
CN201110451250.3A CN102758677B (en) 2011-04-26 2011-12-29 For the heat exchanger of vehicle
DE102011057190A DE102011057190A1 (en) 2011-04-26 2011-12-30 Heat exchanger for a vehicle
US14/966,290 US20160097600A1 (en) 2011-04-26 2015-12-11 Heat exchanger for vehicle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020110038972A KR101744801B1 (en) 2011-04-26 2011-04-26 Heat exchanger for vehicle

Publications (2)

Publication Number Publication Date
KR20120121159A KR20120121159A (en) 2012-11-05
KR101744801B1 true KR101744801B1 (en) 2017-06-09

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KR1020110038972A KR101744801B1 (en) 2011-04-26 2011-04-26 Heat exchanger for vehicle

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Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101405186B1 (en) 2012-10-26 2014-06-10 현대자동차 주식회사 Heat exchanger for vehicle
KR101416388B1 (en) 2012-12-05 2014-07-08 현대자동차 주식회사 Heat exchanger for vehicle
JP7456189B2 (en) * 2020-02-28 2024-03-27 ニデック株式会社 drive device

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003286846A (en) * 2002-03-27 2003-10-10 Calsonic Kansei Corp Oil cooler module for transmission

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003286846A (en) * 2002-03-27 2003-10-10 Calsonic Kansei Corp Oil cooler module for transmission

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