CN208380718U - A kind of close-coupled cooler for recycled exhaust gas - Google Patents
A kind of close-coupled cooler for recycled exhaust gas Download PDFInfo
- Publication number
- CN208380718U CN208380718U CN201820898111.2U CN201820898111U CN208380718U CN 208380718 U CN208380718 U CN 208380718U CN 201820898111 U CN201820898111 U CN 201820898111U CN 208380718 U CN208380718 U CN 208380718U
- Authority
- CN
- China
- Prior art keywords
- chip
- fin
- shell
- cooling medium
- exhaust gas
- Prior art date
- Legal status (The legal status 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 status listed.)
- Active
Links
Landscapes
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The utility model discloses a kind of close-coupled cooler for recycled exhaust gas.It includes shell, it is arranged in intracorporal at least three chip assembly of shell, the connecting port at shell both ends is set, the shell is provided with cooling medium inlet/outlet pipe, the chip assembly includes chip and fin, chip is the flat tubular structure of both ends open, fin is arranged in the chip, airflow channel is formed between fin and chip, the both ends of chip have flange, the upper surface of chip is provided with several spaced apart support rims, the upper surface of flange of upper surface and chip of support rim is concordant, the chip mounted on top and flange at the both ends of chip mutually overlaps and is welded together to form chip welding ends, cooling medium channel is formed between two adjacent chips, chip welding ends is fixedly connected with the casing together, the connecting port, the inner cavity of chip assembly is connected to form gas medium channel, cooling medium inlet/outlet pipe, Sealing space outside chip assembly between the shell forms cooling medium channel.
Description
Technical field
The utility model relates to a kind of close-coupled cooler for recycled exhaust gas, are mainly used on various passenger vehicle engines to engine
EGR gas is cooled down, and heat exchanger technology field is belonged to.
Background technique
Currently, emission request is increasingly strict, and EGR Technology is gradually applied in automobile engine, various structures
Cooler for recycled exhaust gas generates in succession.Arrangement requirement is more and more compacter, and the requirement for cooler for recycled exhaust gas heat exchange efficiency is higher and higher.
Its structure of cooler for recycled exhaust gas in the prior art is usual are as follows: including a cylindrical housings, shell both ends fix respectively one it is close
Mainboard is sealed, several cooling tubes is penetrated through between both ends sealing mainboard, entery and delivery port is installed on shell.The prior art it is this
Cooler for recycled exhaust gas haves the defects that structure is not compact, volume is big, cooling efficiency is low, and due to using sealing mainboard and cooling tube
Transition connection, bonding area is small, and the expanding with heat and contract with cold of cooler casing and cooling tube is different at work, generates axial answer
Power easily causes mainboard and cooling tube end weld to crack, cooler is made to fail.
Summary of the invention
In view of the above defects of the prior art, the utility model provide it is a kind of it is compact-sized, design is reasonable, cold
But the close-coupled cooler for recycled exhaust gas that device is small in size, heat exchange efficiency is high.
The utility model is achieved by the following technical solution: a kind of close-coupled cooler for recycled exhaust gas, it is characterized in that: packet
Shell is included, is arranged in intracorporal at least three chip assembly of the shell, the connecting port at the shell both ends, the shell is set
It is provided with cooling medium inlet/outlet pipe, the chip assembly includes chip and fin, and the chip is the flat tubular of both ends open
Structure, the fin are arranged in the chip, and airflow channel is formed between the fin and the chip, the chip
Both ends have flange, and the upper surface of the chip is provided with several spaced apart support rims, the support rim it is upper
Surface is concordant with the upper surface of the flange of the chip, and the flange at the chip mounted on top and the both ends of the chip mutually overlaps
And it is welded together to form chip welding ends, cooling medium channel, the chip welding are formed between two adjacent chips
End be fixed together with the shell, the connecting port, chip assembly inner cavity be connected to form gas medium channel, it is described
Sealing space outside cooling medium inlet/outlet pipe, chip assembly between the shell forms cooling medium channel.
In the utility model, the chip assembly formed using chip and fin is as heat exchange element, and heat exchange efficiency is high, together
When can greatly reduce the volume of cooler, keep the structure of heat exchanger more compact.The utility model uses the flange at chip both ends
It overlaps and welds together, eliminate the both ends opposed end panel in traditional cooler, end-plate-free transition connection considerably increases
The bonding area of chip keeps connection more reliable and stablizes.In the utility model, by the both ends of chip design flange and
Support rim is arranged in chip upper surface, while chip chamber forms cooling medium channel, but also cooling medium is in chip chamber
Flow field it is more uniform, sufficient heat exchange can be carried out with chip.The working principle of the utility model is: vehicle exhaust is by one
The fin that the connecting port at end enters in several groups chip and chip carries out heat exchange, then the connecting port outflow through the other end；Together
When, engine coolant is entered in shell by the cooling medium inlet/outlet pipe of one end carries out heat exchange with the tail gas for entering chip, so
It is flowed out afterwards by the cooling medium inlet/outlet pipe of the other end, completes heat exchange.
It further, is easy to process and arrangement, the shell includes upper housing and lower case, the cooling medium disengaging
The two sides of the lower case are arranged in pipe.
Further, water blocking boss is respectively arranged on the upper surface at the both ends of the chip.It can be made by water blocking boss
Short circuit does not occur into the intracorporal cooling medium of shell, chip welding ends is sufficiently cooled down convenient for cooling medium, is prevented because of height
Power that is warm and generating makes the weld cracking at chip, is conducive to the reliability and service life that improve cooler.
Further, it is the Flow Field Distribution for further increasing cooling medium, improves flow-disturbing effect, grown on the chip along it
Degree direction is provided at least two rows of support rims being equally spaced.
Further, to further increase heat transfer effect, the fin is by several fin units A and several fin lists
First B is connected composition, fin unit A and the alternate arrangement of fin unit B, and the fin unit A is that section is rectangle wavy texture
Fin structure, the fin unit B be inner hollow orthographic projection be laciniation fin structure, fin unit A and
It is connected to form fluid channel inside it after fin unit B connection.The fin of this kind of structure, axial resistance is small, and lateral resistance is big,
Heat exchange area increases, and can greatly improve heat exchange efficiency, cooler overall dimensions can also be made to become smaller and facilitate arrangement.
Further, each crest portion and/or each wave to further increase heat exchange efficiency, in the fin unit A
Valley is provided at least one notch and is formed with turnup structure.By turnup structure flow-disturbing can be carried out to the air-flow of the fin flowed through,
Gas side flow-disturbing effect is improved, heat exchange efficiency is improved.
The beneficial effects of the utility model are: the chip assembly that the utility model is formed using chip and fin is as heat exchange
Element, heat exchange efficiency is high, and cooler overall dimensions can be made to become smaller, reduce the volume of cooler, make the structure of heat exchanger more
Step up to gather, be easily installed arrangement, by using the fin that special construction designs, further improves heat exchange efficiency, it can also be into one
Step reduces the volume of cooler, keeps structure more compact, is more convenient for arranging；The utility model is overlapped using the flange at chip both ends
And weld together, the structure type of end-plate-free transition connection considerably increases the bonding area of chip, keeps connection more reliable
And stabilization, it is greatly improved the use reliability of cooler, improves the service life of cooler；The utility model passes through in chip
Both ends design flange and chip upper surface be arranged support rim, can chip chamber formed cooling medium channel while,
So that cooling medium is more uniform in the flow field of chip chamber, flow-disturbing effect is more preferable, and adequately heat can be carried out with chip assembly and is handed over
It changes.In addition, the utility model enables cooling medium to carry out chip welding ends abundant by the way that water blocking boss is arranged on chip
It is cooling, it can prevent from effectivelying prevent the weld cracking at chip, be conducive to the reliability and service life that improve cooler.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the decomposition diagram of the utility model；
Fig. 3 is the structural schematic diagram of the chip in the utility model；
Fig. 4 is the schematic front view of the fin in the utility model；
Fig. 5 is the side view of Fig. 4；
Fig. 6 is the schematic perspective view of the fin in the utility model；
In figure, 1, flange, 2, connecting port, 3, chip, 3.1, flange, 3.2, water blocking boss, 3.3, support rim, 4, upper casing
Body, 5, cooling medium inlet/outlet pipe, 6, fin, 6.1, fin unit A, 6.2, fin unit B, 6.3, turnup structure, 7, lower case.
Specific embodiment
The utility model is further described below by non-limiting embodiment and in conjunction with attached drawing:
As shown in the picture, a kind of close-coupled cooler for recycled exhaust gas comprising shell is arranged in the shell intracorporal at least three
Chip assembly, is separately positioned on two connecting ports 2 at the shell both ends, and the shell is provided with cooling medium inlet/outlet pipe 5.Institute
Stating shell includes upper housing 4 and lower case 7, and the two sides of lower case 7 are arranged in cooling medium inlet/outlet pipe 5.The chip assembly packet
Chip 3 and fin 6 are included, the chip 3 is the flat tubular structure of both ends open, and the both ends of chip 3 have flange 3.1, core
The upper surface of piece 3 is provided with several spaced apart support rims 3.3, upper surface and the chip 3 of the support rim 3.3
The upper surface of flange is concordant.It is preferred that at least two rows of support rims 3.3 being equally spaced are provided on chip 3 along its length.
In the present embodiment, water blocking boss 3.2 is respectively arranged on the upper surface at the both ends of chip 3, water blocking boss 3.2 is close to flange
3.1 setting.The fin 6 is arranged in the inner cavity of chip 3, and airflow channel gas supply circulation is formed between fin 6 and chip 3
It crosses.The flange of all 3 mounted on top of chip and the both ends of chip 3 mutually overlaps and welds together, and forms core at both ends respectively
Piece welding ends.It is formed with cooling medium channel between two adjacent chips 3, is passed through between for cooling medium.The core
Piece welding ends is fixed together with the shell, and shell both ends are connected with connecting port 2 respectively, the end connection of connecting port 2
There is flange 1.The connecting port 2, chip assembly inner cavity be connected to form gas medium channel, the cooling medium inlet/outlet pipe 5, core
Sealing space between piece component external and shell forms cooling medium channel.
In the present embodiment, in order to improve heat exchange efficiency, the fin 6 is by several fin units A6.1 and several fins
Unit B 6.2 is connected composition, fin unit A6.1 and the alternate arrangement of fin unit B6.2, and the fin unit A6.1 is section
For the fin structure of rectangle wavy texture, the fin unit B6.2 is that the orthographic projection of inner hollow is the fin of laciniation
It is connected to form fluid channel inside it after structure, fin unit A6.1 and fin unit B6.2 connection.In the fin unit
Each crest portion of A6.1 and/or each trough portion are provided at least one notch and are formed with turnup structure 6.3, turnup structure 6.3
Structure is formed by for flange after the punching press notch on fin.
When the utility model is used, the cooling medium inlet/outlet pipe of cooler is communicated with engine-cooling system, and cooler is logical
Flange 1 is crossed to communicate with motor exhaust.Cooling medium carries out heat by the tail gas in cooling medium channel and gas medium channel
Exchange, the exhaust gas cooled are discharged from the outlet of cooler.
The working principle of the utility model is: vehicle exhaust enters several groups chip 3 and chip 3 by the connecting port 2 of one end
Interior fin 6 carries out heat exchange, and then the connecting port 2 through the other end flows out；Meanwhile engine coolant is situated between by the cooling of one end
Matter inlet/outlet pipe 5, which enters in shell, carries out heat exchange with the tail gas for entering chip 3, then by the cooling medium inlet/outlet pipe 5 of the other end
Heat exchange is completed in outflow.
The utility model which has a compact structure and a reasonable design, cooler is small in size, and cooling efficiency is high, and weight saving securely may be used
It leans on, it is easy for installation, it can apply on various passenger vehicle engines, be particularly suitable for petrol engine.
Other parts in the present embodiment are the prior art, and details are not described herein.
Claims (6)
1. a kind of close-coupled cooler for recycled exhaust gas is arranged it is characterized in that: including shell in intracorporal at least three chipset of the shell
Part, is arranged in the connecting port (2) at the shell both ends, and the shell is provided with cooling medium inlet/outlet pipe, the chip assembly packet
Chip (3) and fin (6) are included, the chip (3) is the flat tubular structure of both ends open, and the fin (6) is arranged described
In chip (3), airflow channel is formed between the fin (6) and the chip (3), the both ends of the chip (3) are with convex
Edge (3.1), the upper surface of the chip (3) are provided with several spaced apart support rims (3.3), the support rim
(3.3) upper surface is concordant with the upper surface of flange of the chip (3), chip (3) mounted on top and the chip (3)
The flange at both ends mutually overlap and be welded together to form chip welding ends, be formed with cooling between two adjacent chips (3)
Medium channel, the chip welding ends are fixed together with the shell, the connecting port (2), chip assembly inner cavity
It is connected to form gas medium channel, the sealing space between the cooling medium inlet/outlet pipe, chip assembly outside and the shell
Form cooling medium channel.
2. close-coupled cooler for recycled exhaust gas according to claim 1, it is characterized in that: the shell includes upper housing (4) and lower casing
Body (7), two sides of the cooling medium inlet/outlet pipe setting in the lower case (7).
3. close-coupled cooler for recycled exhaust gas according to claim 1, it is characterized in that: on the upper surface at the both ends of the chip (3)
It is respectively arranged with water blocking boss (3.2).
4. close-coupled cooler for recycled exhaust gas according to claim 1, it is characterized in that: being set along its length on the chip (3)
It is equipped at least two rows of support rims (3.3) being equally spaced.
5. close-coupled cooler for recycled exhaust gas according to claim 1 or 2 or 3 or 4, it is characterized in that: the fin (6) is by several
A fin unit A(6.1) be connected composition with several fin unit B(6.2), fin unit A(6.1) and fin unit B
(6.2) alternate arrangement, the fin unit A(6.1) it is the fin structure that section is rectangle wavy texture, the fin unit B
(6.2) be inner hollow orthographic projection be laciniation fin structure, fin unit A(6.1) and fin unit B(6.2)
It is connected to form fluid channel inside it after connection.
Each of 6. close-coupled cooler for recycled exhaust gas according to claim 5, it is characterized in that: in the fin unit A(6.1)
Crest portion and/or each trough portion are provided at least one notch and are formed with turnup structure (6.3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820898111.2U CN208380718U (en) | 2018-06-11 | 2018-06-11 | A kind of close-coupled cooler for recycled exhaust gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820898111.2U CN208380718U (en) | 2018-06-11 | 2018-06-11 | A kind of close-coupled cooler for recycled exhaust gas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208380718U true CN208380718U (en) | 2019-01-15 |
Family
ID=64966978
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820898111.2U Active CN208380718U (en) | 2018-06-11 | 2018-06-11 | A kind of close-coupled cooler for recycled exhaust gas |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208380718U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108626037A (en) * | 2018-06-11 | 2018-10-09 | 山东宇洋汽车尾气净化装置有限公司 | A kind of close-coupled cooler for recycled exhaust gas |
-
2018
- 2018-06-11 CN CN201820898111.2U patent/CN208380718U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108626037A (en) * | 2018-06-11 | 2018-10-09 | 山东宇洋汽车尾气净化装置有限公司 | A kind of close-coupled cooler for recycled exhaust gas |
| CN108626037B (en) * | 2018-06-11 | 2024-06-18 | 山东宇洋汽车尾气净化装置有限公司 | Compact EGR cooler |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN208380718U (en) | A kind of close-coupled cooler for recycled exhaust gas | |
| CN108683301A (en) | A kind of electric machine radiator of new-energy automobile | |
| US11067040B2 (en) | Exhaust gas cooling apparatus | |
| CN211265668U (en) | Battery heat abstractor for new energy automobile | |
| CN206709671U (en) | A kind of heat exchanger tube and heat exchanger with inner fin | |
| CN201355158Y (en) | Full-aluminium hard brazing heat exchanger | |
| CN110978957A (en) | Heat exchanger, heat pump air conditioning system and electric automobile | |
| CN106930821A (en) | A kind of motor intake manifold of built-in integrated charge air cooler | |
| CN204677276U (en) | A kind of cooling water car case of semiconductor refrigeration | |
| CN106871689B (en) | A kind of heat exchanger tube and heat exchanger with inner fin | |
| CN108626037A (en) | A kind of close-coupled cooler for recycled exhaust gas | |
| JP2010018151A (en) | Vehicular heat exchanger | |
| CN210486166U (en) | Cold and hot integral type plate heat exchanger | |
| WO2021175260A1 (en) | All-terrain vehicle | |
| CN210070299U (en) | Energy-saving condenser for automobile air conditioner cooled by heat pipe | |
| CN207019497U (en) | A kind of new-energy automobile radiator | |
| CN208380719U (en) | A kind of cooler for recycled exhaust gas | |
| CN218293704U (en) | Automobile radiator with multiple layers of radiating pipes | |
| CN211950659U (en) | Automobile radiator with good radiating effect | |
| CN215590482U (en) | New energy automobile radiator with built-in cooling water circulation device | |
| CN205908359U (en) | All -aluminum water tank of automobile | |
| CN211308185U (en) | Heat exchanger, heat pump air conditioning system and electric automobile | |
| CN211202165U (en) | Air inlet device of diesel engine | |
| CN216645001U (en) | Heat exchanger core, heat exchanger and vehicle | |
| CN209324543U (en) | A kind of waste gas heat exchange tube of cooler for recycled exhaust gas |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Compact-type EGR cooler Effective date of registration: 20200110 Granted publication date: 20190115 Pledgee: Qilu Bank Co., Ltd. Liaocheng Chiping Branch Pledgor: Shandong Yuyang Automobile Exhaust Gas Purification Euipment Co., Ltd. Registration number: Y2020370000008 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20210118 Granted publication date: 20190115 Pledgee: Qilu Bank Co.,Ltd. Liaocheng Chiping Branch Pledgor: SHANDONG YYO EMISSION CONTROL SYSTEM Co.,Ltd. Registration number: Y2020370000008 |