CN101294624A - Oil liquid cooling system of speed transmission - Google Patents
Oil liquid cooling system of speed transmission Download PDFInfo
- Publication number
- CN101294624A CN101294624A CNA2007100975567A CN200710097556A CN101294624A CN 101294624 A CN101294624 A CN 101294624A CN A2007100975567 A CNA2007100975567 A CN A2007100975567A CN 200710097556 A CN200710097556 A CN 200710097556A CN 101294624 A CN101294624 A CN 101294624A
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- heat exchanger
- engine
- pipeline
- speed changer
- pipe
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- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The invention relates to an oil-cooling system for a gear box. The system comprises an engine, a gear box, a radiator, a water outlet pipe of the engine, a water inlet pipe of the engine, an oil outlet pipe of the gear box, and an oil return pipe of the gear box. The engine is connected with the gear box. One end of the oil outlet pipe of the gear box and one end of the oil return pipe of the gear box are respectively connected with the gear box. The system further comprises a heat exchanger, a water inlet pipe of the heat exchanger and a water outlet pipe of the heat exchanger. The heat exchanger comprises a cooling water pipeline and an oil pipeline. The other end of the oil outlet pipe of the gear box and the other end of the return pipe of the gear box are respectively connected with the two ends of the oil pipeline. The two ends of the water inlet pipe of the heat exchanger are respectively connected with one end of the water inlet pipe of the engine and one end of the cooling water pipeline. The two ends of the water outlet pipe of the heat exchanger are respectively connected with the other end of the cooling water pipeline and the water outlet pipe of the engine. The water outlet pipe of the heat exchanger and the water outlet pipe of the engine are connected together via a liquid-suction device. The system has good cooling effect, can simplify the structure of the radiator, and improve the radiation area of the radiator.
Description
Technical field
The present invention relates to car transmissions, relate in particular to a kind of oil liquid cooling system of speed transmission.
Background technique
In the automobile of automatic transmission was housed, the fluid in the speed changer was overheated easily, and fluid is overheated can to reduce transmission performance, even causes speed changer to damage, so must the fluid in the speed changer be cooled off.
As shown in Figure 1, the tradition oil liquid cooling system of speed transmission comprises motor 1, speed changer 2, radiator 3, engine water outlet 4, water inflow of the engine pipe 5, speed changer oil outlet tube 6 and speed changer return tube 7, described radiator 3 comprises fluid cooling tube 8, described motor 1 links to each other with speed changer 2, the two ends of engine water outlet 4 and water inflow of the engine pipe 5 link to each other with radiator 3 with motor 1 respectively, and the two ends of speed changer oil outlet tube 6 and speed changer return tube 7 link to each other with the two ends of speed changer 2 with fluid cooling tube 8 respectively.This system is when work, high-temperature oil liquid in the speed changer 2 flows into fluid cooling tube 8 via speed changer oil outlet tube 6, high-temperature oil liquid cools off in fluid cooling tube 8, and cooled fluid flows back to speed changer 2 via speed changer return tube 7, thereby finishes the cooling of speed changer fluid.Because the oil liquid cooling system of speed transmission of this kind structure need be set up fluid cooling tube 8 in radiator 3, thus the heat diffusion area of radiator 3 reduce relatively, thereby reduced the cooling capacity of 3 pairs of motors 1 of radiator.And the structure that makes radiator 3 of setting up of fluid cooling tube 8 becomes complicated, thereby increased the manufacture cost of radiator 3.In addition, because fluid cooling tube 8 is arranged in the radiator 3,, thereby cause the cooling capacity of fluid in 8 pairs of speed changers 3 of fluid cooling tube to reduce so the size of fluid cooling tube 8 is subjected to the restriction of radiator 3.
Summary of the invention
The oil liquid cooling system of speed transmission that the purpose of this invention is to provide a kind of good cooling results.
The invention provides a kind of oil liquid cooling system of speed transmission, this system comprises motor, speed changer, radiator, engine water outlet, the water inflow of the engine pipe, speed changer oil outlet tube and speed changer return tube, described motor links to each other with speed changer, the two ends of described engine water outlet and water inflow of the engine pipe link to each other with radiator with motor respectively, one end of described speed changer oil outlet tube links to each other with speed changer respectively with an end of speed changer return tube, wherein, this system also comprises heat exchanger, heat exchanger intake pipe and heat exchanger outlet pipe, described heat exchanger comprises cooling water pipeline and fluid pipeline, the other end of the other end of described speed changer oil outlet tube and speed changer return tube links to each other with the two ends of fluid pipeline respectively, the two ends of described heat exchanger intake pipe link to each other with an end of water inflow of the engine pipe and cooling water pipeline respectively, the two ends of described heat exchanger outlet pipe link to each other with engine water outlet with the other end of cooling water pipeline respectively, link to each other by liquid sucking device between described heat exchanger outlet pipe and the engine water outlet.
Because oil liquid cooling system of speed transmission provided by the invention also comprises heat exchanger, described heat exchanger comprises cooling water pipeline and fluid pipeline, this fluid cooling system sucks cooling water pipeline by liquid sucking device with the cooling liquid in the water inflow of the engine pipe, thereby the cooling of speed changer fluid is finished in the cooling of the high-temperature oil liquid of the fluid pipeline of will flowing through.So oil liquid cooling system of speed transmission provided by the invention is by heat exchanger is set, by the cooling liquid in the water inflow of the engine pipe but, rather than realize the cooling of speed changer fluid by in radiator, setting up the fluid cooling tube with the transmission oil liquid cooling.Therefore, the cooling effect of oil liquid cooling system of speed transmission provided by the invention is not subjected to the restriction of the size of radiator, thereby has improved the cooling effect of this system.In addition,, so increased the heat diffusion area of radiator, improved the cooling effect of radiator, and simplified the structure of radiator, reduced manufacture cost because the fluid cooling tube is not set in radiator.
Description of drawings
Fig. 1 is the structural representation of traditional oil liquid cooling system of speed transmission;
Fig. 2 is the structural representation of oil liquid cooling system of speed transmission provided by the invention;
Fig. 3 is the structural representation of the heat exchanger of oil liquid cooling system of speed transmission provided by the invention;
Fig. 4 is an A place enlarged diagram among Fig. 2;
Fig. 5 is the flow direction schematic representation of oil liquid cooling system of speed transmission provided by the invention.
Embodiment
Below in conjunction with accompanying drawing the specific embodiment of the present invention is done detailed explanation.
The invention provides a kind of oil liquid cooling system of speed transmission, as shown in Figure 2, this system comprises motor 1, speed changer 2, radiator 3, engine water outlet 4, water inflow of the engine pipe 5, speed changer oil outlet tube 6 and speed changer return tube 7, described motor 1 links to each other with speed changer 2, the two ends of described engine water outlet 4 and water inflow of the engine pipe 5 link to each other with radiator 3 with motor 1 respectively, one end of described speed changer oil outlet tube 6 links to each other with speed changer 2 respectively with an end of speed changer return tube 7, wherein, this system also comprises heat exchanger 9, heat exchanger intake pipe 10 and heat exchanger outlet pipe 11, described heat exchanger 9 comprises cooling water pipeline 12 and fluid pipeline 13, the other end of the other end of described speed changer oil outlet tube 6 and speed changer return tube 7 links to each other with the two ends of fluid pipeline 13 respectively, the two ends of described heat exchanger intake pipe 10 link to each other with an end of water inflow of the engine pipe 5 and cooling water pipeline 12 respectively, the two ends of described heat exchanger outlet pipe 11 link to each other with engine water outlet 4 with the other end of cooling water pipeline 12 respectively, link to each other by liquid sucking device 14 between described heat exchanger outlet pipe 11 and the engine water outlet 4.
Described heat exchanger 9 can be various heat exchangers known in the field, and the user can select with concrete condition as required.Described cooling water pipeline 12 and fluid pipeline 13 can be arranged arbitrarily in heat exchanger 9, in order to improve the cooling effect of heat exchanger 9, as shown in Figure 3, preferably, described cooling water pipeline 12 and fluid pipeline 13 staggered and arranged stacked, for the ease of the layout of cooling water pipeline 12 and fluid pipeline 13, more preferably, described cooling water pipeline 12 and fluid pipeline 13 are orthogonal.As shown in Figure 3, fluid pipeline 13 can be arranged in multiple row in same plane, and then on fluid pipeline 13, be arranged in order cooling water pipeline 12, make cooling water pipeline 12 vertical with fluid pipeline 13, and all fluid pipelines 13 can both be contacted with all cooling water pipelines 12, thereby help the heat exchange of fluid pipeline 13 and cooling water pipeline 12, improved the cooling effect of heat exchanger 9, and be convenient to the layout of cooling water pipeline 12 and fluid pipeline 13.Described cooling water pipeline 12 and fluid pipeline 13 can be for various forms of pipelines well known in the art, as flat tube or circular pipe.In order to improve the cooling effect of heat exchanger 9, preferably, described cooling water pipeline 12 and/or fluid pipeline 13 are flat tube.There is no particular limitation to the number of described cooling water pipeline 12 and fluid pipeline 13 and size, and the user can set with concrete condition as required.Described cooling water pipeline 12 can adopt various material well known in the art to make, as aluminium, platinum or copper.Described fluid pipeline 13 can adopt various material well known in the art to make, as aluminium, platinum or copper.
Described liquid sucking device 14 is used for the cooling liquid of water inflow of the engine pipe 5 is sucked cooling water pipeline 12, and make it to enter engine water outlet 4 by cooling water pipeline 12 and heat exchanger outlet pipe 11, thereby the liquid in engine water outlet 4 flows back to radiator 3.Described liquid sucking device 14 can be for various liquid sucking devices well known in the art, as self-priming pump or syphon tube.In order to simplify the structure of this system, as shown in Figure 4, preferably, described liquid sucking device 14 is a syphon tube, the caliber at the described siphonal position that is connected with heat exchanger outlet pipe 11 is less than the caliber at siphonal other position, the caliber at the described siphonal position that is connected with heat exchanger outlet pipe 11 can be preferably 30-50% for the 20-80% of the caliber at siphonal other position.Described syphon tube can be independent pipeline, also can be structure as a whole with engine water outlet 4.When syphon tube is independent pipeline, need be connected with engine water outlet 4 by pipe joint.For structure and the saving cost of simplifying this system, preferably, described syphon tube and engine water outlet 4 are structure as a whole.Described syphon tube can adopt various material well known in the art to make, as nylon, plastics or rubber.
Described heat exchanger intake pipe 10 and heat exchanger outlet pipe 11 can be for various pipelines well known in the art, as nylon tube, plastic tube or rubber pipe.There is no particular limitation to the size of heat exchanger intake pipe 10 and heat exchanger outlet pipe 11, and the user can set with concrete condition as required.
Being connected between each pipeline of this system is conventionally known to one of skill in the art, as connecting by pipe joint between each pipeline.
Other structure of this system, as the structure of motor 1, speed changer 2, radiator 3, engine water outlet 4, water inflow of the engine pipe 5, speed changer oil outlet tube 6 and speed changer return tube 7 is the structure of common oil liquid cooling system of speed transmission, their structure is well known in the art, does not repeat them here.
The operation of oil liquid cooling system of speed transmission provided by the invention is described below.
As shown in Figure 5, the high-temp liquid in the motor 1 is by engine water outlet 4 inflow radiators 3, and high-temp liquid cools off in radiator 3, and the cooling liquid that cools off through radiator 3 flows into water inflow of the engine pipe 5, and flows back to motor 1 by water inflow of the engine pipe 5; Liquid sucking device 14 sucks heat exchanger intake pipe 10 with the cooling liquid in the water inflow of the engine pipe 5, and make it to enter engine water outlet 4 by cooling water pipeline 12 and heat exchanger outlet pipe 11, thereby the high-temp liquid in engine water outlet 4 flows back to radiator 3; High-temperature oil liquid in the speed changer 2 flows into fluid pipeline 13 by speed changer oil outlet tube 6, and high-temperature oil liquid cools off in fluid pipeline 13, and cooled fluid flows back to speed changer 2 by speed changer return tube 7, thereby finishes the cooling of speed changer fluid.Described cooling water pipeline 12 and fluid pipeline 13 be staggered and arranged stacked in heat exchanger 9, thereby realizes the exchange of the heat between high-temperature oil liquid and the low temperature refrigeration liquid in heat exchanger 9, reaches the high-temperature oil liquid cooling purpose.
Oil liquid cooling system of speed transmission provided by the invention is by being provided with heat exchanger 9, and the high-temperature oil liquid in the speed changer is cooled off by the cooling liquid in the water inflow of the engine pipe 5, so cooling effect of the present invention is not subjected to the restriction of the size of radiator 3, thereby improved the cooling effect of this system.In addition, compared with prior art, this system simplification the structure of radiator 3, and increased the heat diffusion area of radiator 3, improved the cooling effect of radiator 3.And speed changer oil outlet tube 6 and speed changer return tube 7 is arranged apart with radiator 3, can be so that the layout of fluid cooling system in the cabin.
Claims (7)
1, a kind of oil liquid cooling system of speed transmission, this system comprises motor (1), speed changer (2), radiator (3), engine water outlet (4), water inflow of the engine pipe (5), speed changer oil outlet tube (6) and speed changer return tube (7), described motor (1) links to each other with speed changer (2), the two ends of described engine water outlet (4) and water inflow of the engine pipe (5) link to each other with radiator (3) with motor (1) respectively, one end of one end of described speed changer oil outlet tube (6) and speed changer return tube (7) links to each other with speed changer (2) respectively, it is characterized in that, this system also comprises heat exchanger (9), heat exchanger intake pipe (10) and heat exchanger outlet pipe (11), described heat exchanger (9) comprises cooling water pipeline (12) and fluid pipeline (13), the other end of the other end of described speed changer oil outlet tube (6) and speed changer return tube (7) links to each other with the two ends of fluid pipeline (13) respectively, the two ends of described heat exchanger intake pipe (10) link to each other with the end of water inflow of the engine pipe (5) with cooling water pipeline (12) respectively, the two ends of described heat exchanger outlet pipe (11) link to each other with engine water outlet (4) with the other end of cooling water pipeline (12) respectively, link to each other by liquid sucking device (14) between described heat exchanger outlet pipe (11) and the engine water outlet (4).
2, oil liquid cooling system of speed transmission according to claim 1, wherein, the staggered and arranged stacked of described cooling water pipeline (12) and fluid pipeline (13).
3, oil liquid cooling system of speed transmission according to claim 2, wherein, described cooling water pipeline (12) and fluid pipeline (13) are orthogonal.
4, according to any described oil liquid cooling system of speed transmission among the claim 1-3, wherein, described cooling water pipeline (12) and/or fluid pipeline (13) are flat tube.
5, oil liquid cooling system of speed transmission according to claim 1, wherein, described liquid sucking device (14) is a syphon tube, the caliber at the described siphonal position that is connected with heat exchanger outlet pipe (11) is less than the caliber at siphonal other position.
6, oil liquid cooling system of speed transmission according to claim 5, wherein, the caliber at the described siphonal position that is connected with heat exchanger outlet pipe (11) is the 20-80% of the caliber at siphonal other position.
7, according to claim 5 or 6 described oil liquid cooling system of speed transmission, wherein, described syphon tube and engine water outlet (4) are structure as a whole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100975567A CN100557274C (en) | 2007-04-27 | 2007-04-27 | A kind of oil liquid cooling system of speed transmission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100975567A CN100557274C (en) | 2007-04-27 | 2007-04-27 | A kind of oil liquid cooling system of speed transmission |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101294624A true CN101294624A (en) | 2008-10-29 |
| CN100557274C CN100557274C (en) | 2009-11-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2007100975567A Active CN100557274C (en) | 2007-04-27 | 2007-04-27 | A kind of oil liquid cooling system of speed transmission |
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| Country | Link |
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| CN (1) | CN100557274C (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102242807A (en) * | 2011-07-08 | 2011-11-16 | 奇瑞汽车股份有限公司 | Automatic gearbox cooling system and four-way pipe used for same |
| CN104455355A (en) * | 2014-10-30 | 2015-03-25 | 长城汽车股份有限公司 | Cooling liquid path structure of transmission oil, oil cooling integration module and installation structure of oil cooling integration module |
| CN106931149A (en) * | 2017-05-03 | 2017-07-07 | 北京长安汽车工程技术研究有限责任公司 | A kind of oil temperature adjusting means of speed changer |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4259125B2 (en) * | 2003-01-29 | 2009-04-30 | トヨタ自動車株式会社 | Lubricating oil temperature control device |
| JP4254363B2 (en) * | 2003-06-13 | 2009-04-15 | 株式会社デンソー | Warm-up control device |
| JP4375045B2 (en) * | 2004-02-16 | 2009-12-02 | 株式会社デンソー | Heat exchanger |
-
2007
- 2007-04-27 CN CNB2007100975567A patent/CN100557274C/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102242807A (en) * | 2011-07-08 | 2011-11-16 | 奇瑞汽车股份有限公司 | Automatic gearbox cooling system and four-way pipe used for same |
| CN104455355A (en) * | 2014-10-30 | 2015-03-25 | 长城汽车股份有限公司 | Cooling liquid path structure of transmission oil, oil cooling integration module and installation structure of oil cooling integration module |
| CN104455355B (en) * | 2014-10-30 | 2017-02-15 | 长城汽车股份有限公司 | Cooling liquid path structure of transmission oil, oil cooling integration module and installation structure of oil cooling integration module |
| CN106931149A (en) * | 2017-05-03 | 2017-07-07 | 北京长安汽车工程技术研究有限责任公司 | A kind of oil temperature adjusting means of speed changer |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100557274C (en) | 2009-11-04 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Shenzhen BYD Auto Co., Ltd. Assignor: Biyadi Co., Ltd. Contract fulfillment period: 2008.4.25 to 2016.7.11 contract change Contract record no.: 2008440000079 Denomination of invention: Oil liquid cooling system of speed transmission License type: General permission Record date: 2008.5.13 |
|
| LIC | Patent licence contract for exploitation submitted for record |
Free format text: COMMON LICENCE; TIME LIMIT OF IMPLEMENTING CONTACT: 2008.4.25 TO 2016.7.11 Name of requester: BIYADI AUTOMOBILE CO., LTD., SHENZHEN CITY Effective date: 20080513 |
|
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |