CN215293533U - Automatic gearbox cooling system - Google Patents
Automatic gearbox cooling system Download PDFInfo
- Publication number
- CN215293533U CN215293533U CN202121495214.2U CN202121495214U CN215293533U CN 215293533 U CN215293533 U CN 215293533U CN 202121495214 U CN202121495214 U CN 202121495214U CN 215293533 U CN215293533 U CN 215293533U
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- inlet
- water
- outlet
- cooling system
- way pipe
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- 238000001816 cooling Methods 0.000 title claims abstract description 36
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 71
- 230000005540 biological transmission Effects 0.000 claims abstract description 11
- 230000000694 effects Effects 0.000 abstract description 4
- 239000000110 cooling liquid Substances 0.000 description 5
- 239000002826 coolant Substances 0.000 description 3
- 239000000498 cooling water Substances 0.000 description 2
- 238000007872 degassing Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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Abstract
A cooling system of an automatic gearbox comprises an engine cooling system, a gearbox and an oil cooler connected with the gearbox, wherein a four-way pipe is arranged between a water pump and a radiator in the engine cooling system, a first outlet of the four-way pipe is connected to a water inlet of the water pump, and a first inlet of the four-way pipe is connected to a water outlet of the radiator; and a second inlet and a second outlet of the four-way pipe are respectively connected to a water outlet and a water inlet of the oil cooler. The utility model provides a traditional automatic transmission cooling system cooling effect not good, influence the problem of gearbox thermal efficiency.
Description
Technical Field
The utility model relates to a cooling system technical field especially relates to an automatic transmission cooling system.
Background
The cooling system of the existing fuel automobile matched automatic gearbox generally leads a branch from a water outlet pipe of an engine water jacket to enter an oil cooler for cooling gearbox oil, and after cooling liquid absorbs oil temperature heat in the oil cooler, the cooling liquid returns to an engine water inlet pipe through the branch. However, the temperature of the coolant from the engine is high, the oil in the transmission cannot be cooled sufficiently, and the temperature of the oil is easy to approach the alarm limit value, so that the thermal efficiency of the transmission is poor. Therefore, it is necessary to invent a cooling system for an automatic transmission with good cooling effect.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an automatic transmission cooling system solves current automatic transmission cooling system cooling effect not good, influences the problem of gearbox thermal efficiency.
The utility model provides a technical scheme that its technical problem adopted is:
a cooling system of an automatic gearbox comprises an engine cooling system, a gearbox and an oil cooler connected with the gearbox, wherein a four-way pipe is arranged between a water pump and a radiator in the engine cooling system, a first outlet of the four-way pipe is connected to a water inlet of the water pump, and a first inlet of the four-way pipe is connected to a water outlet of the radiator; and a second inlet and a second outlet of the four-way pipe are respectively connected to a water outlet and a water inlet of the oil cooler.
Furthermore, the inner diameters of the first inlet and the first outlet of the four-way pipe are both larger than those of the second inlet and the second outlet.
Furthermore, a throttling pipeline is arranged between the first inlet and the first outlet, and the inner diameter of the throttling pipeline is smaller than that of the first inlet and that of the first outlet.
Furthermore, a cooling fan is fixedly arranged on the radiator.
The utility model has the advantages that: the utility model realizes that the water outlet of the radiator is led into the oil cooler by arranging the four-way pipe between the radiator and the water pump and utilizing the reducing structure of the four-way pipe, thereby meeting the requirement of reducing the oil temperature of the gearbox; the cooling fan is fixed on the radiator to accelerate air convection, and can well meet the cooling requirements of an automobile engine and a gearbox.
The present invention will be described in more detail with reference to the accompanying drawings and examples.
Drawings
Fig. 1 is a flow chart of the cooling system of the automatic transmission of the present invention.
Fig. 2 is a structural diagram of the middle four-way pipe of the present invention.
Detailed Description
As shown in fig. 1, a conventional engine cooling system includes an engine water jacket 1, wherein a water inlet of the engine water jacket 1 is connected to a water outlet of a water pump 2; a first water outlet of the engine water jacket 1 is connected to a first water inlet of the fan heater 3, and a water outlet of the fan heater 3 is connected to a water inlet of the water pump 2; the second water outlet of the engine water jacket 1 is connected to the water inlet of the thermostat 4, the small circulation valve of the thermostat 4 is connected to the water inlet of the water pump 2, and the large circulation valve of the thermostat 4 is connected to the water inlet of the radiator 8; the water outlet of the radiator 8 is connected to the water inlet of the water pump 2; the degassing port of the radiator 8 is connected to the air inlet of the expansion tank 10, the degassing port of the engine water jacket 1 is also connected to the air inlet of the expansion tank 10, and the water outlet of the expansion tank 10 is connected to the water inlet of the water pump 2.
The utility model relates to an automatic gearbox cooling system, including above-mentioned engine cooling system, gearbox 5, with the oil cooler 6 that gearbox 5 advances, the oil-out is connected, is provided with four-way pipe 7 between water pump 2 and radiator 8 in the engine cooling system, the first export 72 of four-way pipe 7 is connected to the water inlet of water pump 2, the first import 71 of four-way pipe 7 is connected to the delivery port of radiator 8; and a second inlet 73 and a second outlet 74 of the four-way pipe 7 are respectively connected to a water outlet and a water inlet of the oil cooler 6.
Further, in order to divert a small portion of the coolant into the oil cooler 6 and return the most coolant to the engine water jacket 1, the first inlet 71 and the first outlet 72 of the four-way pipe 7 have larger inner diameters than the second inlet 73 and the second outlet 74.
Further, in order to better utilize the diameter-variable structure of the four-way pipe 7 to realize throttling, the cooling liquid entering the first inlet 71 is blocked, the flow of the cooling liquid forms a pressure difference, and the cooling liquid better circulates in the oil cooler 6, a throttling pipeline 75 is arranged between the first inlet 71 and the first outlet 72, and the inner diameter of the throttling pipeline 75 is smaller than that of the first inlet 71 and the first outlet 72.
Further, in order to achieve a better heat dissipation effect, a cooling fan 9 is fixedly arranged on the heat sink 8.
The utility model discloses the cooling principle of whole system: when the temperature of an engine system is not high, part of hot water in the engine water jacket 1 directly flows into the warm air blower 3 and then flows back to the water pump 2; the other part of the hot water flows to the thermostat 4, at the moment, a large circulation valve of the thermostat 4 is in a closed state, a small circulation valve is opened, and the hot water flows back to the water pump 2 through the small circulation valve.
When the temperature of an engine system is higher, one part of hot water in an engine water jacket 1 directly flows into a warm air blower 3 and then flows back to a water pump 2, the other part of hot water flows to a thermostat 4, at the moment, a small circulating valve of the thermostat 4 is closed, a large circulating valve is opened, the hot water flows into an upper water chamber of a radiator 8 through the large circulating valve of the thermostat 4, the cooled water flows into a four-way pipe 7 through a lower water chamber of the radiator 8, and one part of cooling water circulates in an oil cooler 6 through the four-way pipe 7 to cool oil in a gearbox 5; and the other part of the cooling water returns to the engine water jacket 1 through the water pump 2 to cool the engine.
The radiator 8 and the engine water jacket 1 are provided with air removing pipes and are connected to the expansion tank 10 to provide necessary water replenishing pressure for the expansion tank 10.
The present invention has been described above with reference to the accompanying drawings, and it is obvious that the present invention is not limited to the above embodiments, and various modifications made by the method concept and technical solution of the present invention or those directly applied to other applications without modification fall within the protection scope of the present invention.
Claims (4)
1. A cooling system of an automatic gearbox comprises an engine cooling system, a gearbox (5) and an oil cooler (6) connected with the gearbox (5), and is characterized in that a four-way pipe (7) is arranged between a water pump (2) and a radiator (8) in the engine cooling system, a first outlet (72) of the four-way pipe (7) is connected to a water inlet of the water pump (2), and a first inlet (71) of the four-way pipe (7) is connected to a water outlet of the radiator (8); and a second inlet (73) and a second outlet (74) of the four-way pipe (7) are respectively connected to a water outlet and a water inlet of the oil cooler (6).
2. The automatic transmission cooling system as claimed in claim 1, wherein the first inlet (71) and the first outlet (72) of the four-way pipe (7) each have an inner diameter larger than the second inlet (73) and the second outlet (74).
3. An automatic transmission cooling system as claimed in claim 1 or 2, characterised in that a throttling duct (75) is provided between the first inlet (71) and the first outlet (72), the throttling duct (75) having a smaller internal diameter than the first inlet (71) and the first outlet (72).
4. An automatic transmission cooling system as claimed in claim 1, characterised in that a cooling fan (9) is fixedly arranged on said radiator (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121495214.2U CN215293533U (en) | 2021-07-01 | 2021-07-01 | Automatic gearbox cooling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121495214.2U CN215293533U (en) | 2021-07-01 | 2021-07-01 | Automatic gearbox cooling system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215293533U true CN215293533U (en) | 2021-12-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121495214.2U Active CN215293533U (en) | 2021-07-01 | 2021-07-01 | Automatic gearbox cooling system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215293533U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023130789A1 (en) * | 2022-01-04 | 2023-07-13 | 广州汽车集团股份有限公司 | Engine-gearbox collaborative heat management system, and heat management method |
-
2021
- 2021-07-01 CN CN202121495214.2U patent/CN215293533U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023130789A1 (en) * | 2022-01-04 | 2023-07-13 | 广州汽车集团股份有限公司 | Engine-gearbox collaborative heat management system, and heat management method |
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