CN211951398U

CN211951398U - Water-cooling oil-cooling heat dissipation system of gearbox and automobile

Info

Publication number: CN211951398U
Application number: CN202020152170.2U
Authority: CN
Inventors: 刘洪义; 孟凡栋; 王冬冬; 李盖华; 潘桃龙
Original assignee: Zhejiang Geely Holding Group Co Ltd; Geely Automobile Research Institute Ningbo Co Ltd
Current assignee: Zhejiang Geely Holding Group Co Ltd; Geely Automobile Research Institute Ningbo Co Ltd
Priority date: 2020-02-04
Filing date: 2020-02-04
Publication date: 2020-11-17
Anticipated expiration: 2030-02-04

Abstract

The utility model provides a cold cooling system of water-cooling oil of gearbox, including radiator, oil cooler, gearbox, engine and water pump, oil cooler and gearbox are integrated as an organic whole, and water pump, radiator, oil cooler and for the engine pipe connection form first return circuit, and water pump, radiator and for the engine pipe connection form the second return circuit, and oil cooler and gearbox form the third return circuit. The utility model provides a water-cooling oil cooling system and car of gearbox through the size that reduces the oil cooler to integrate the oil cooler on the gearbox, make the oil circulation circuit set up inside the gearbox, thereby cancel oil pipe; in addition, a water circulation loop is added outside the gearbox, so that the oil cooler and the engine share the radiator, and the space layout is more reasonable while the cost of a water-cooling oil-cooling radiating system of the gearbox is reduced.

Description

Water-cooling oil-cooling heat dissipation system of gearbox and automobile

Technical Field

The utility model relates to a gearbox technical field, more specifically are water-cooling oil cooling system and car that relate to a gearbox.

Background

The existing gearbox oil cooling system is divided into the following schemes: 1) the air-cooled oil-cooled system has the advantages that oil circulates outside the gearbox, the oil cooler is expensive, the material requirement of an oil pipe is high, the cost is high, the influence on the front space is large, the wind resistance of the whole module is greatly influenced, and the performance of the whole cooling module is influenced; 2) in the system, the cost of an oil cooler is reduced, but the oil circuit circulation is still outside a gearbox, the price of an oil pipe is still higher, an external circulating water pipe is added, the cost is increased, but the overall system cost is lower than that of the scheme 1, but the pipeline of the external water-cooling oil-cooling system is complex, the assembly work is long, and the efficiency is low; 3) and a water-cooling oil-cooling system is arranged in the gearbox, the oil cooler is low in cost, but oil circulates outside the gearbox, the oil pipe cost is still higher, and the total cost is lower than that of the scheme 2.

Therefore, it is desirable to provide a water-cooling oil-cooling heat dissipation system with high integration and lower cost.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a water-cooling oil cooling system and car of gearbox to solve the not high and higher problem of cost of current water-cooling oil cooling system integrated level.

The technical problem of the utility model is solved and the following technical scheme is adopted to realize.

The utility model provides a water-cooling oil cooling system of gearbox, including radiator, oil cooler, gearbox, engine and water pump, the oil cooler with the gearbox is integrated as an organic whole, the water pump the radiator the oil cooler with the engine forms first return circuit with the pipe connection, the water pump the radiator with the pipe connection forms the second return circuit for the engine.

The utility model discloses an in one embodiment, the oil cooler include with the first interface that the radiator is connected and with the second interface that the engine is connected, first interface with the second interface is used for supplying the coolant liquid business turn over respectively.

The utility model discloses an embodiment, the oil cooler still include with third interface and fourth interface are connected to the gearbox, the third interface with the oil inlet butt joint of gearbox, the fourth interface with the oil-out butt joint of gearbox.

The utility model discloses an embodiment, the third interface with seal through the sealing washer between the oil inlet of gearbox, the fourth interface with seal through the sealing washer between the oil-out of gearbox.

The utility model discloses an embodiment, the oil cooler is integrated through the mounting on the gearbox, the oil cooler with be formed with the oil return circuit that the oil feed circulated between the gearbox, the oil return circuit sets up in the gearbox.

In an embodiment of the present invention, the radiator includes a first water inlet, a first water outlet, and a second water outlet, the first water inlet is used for flowing in the cooling liquid, the first water outlet is connected to the oil cooler, and the second water outlet is connected to the engine.

In an embodiment of the present invention, the heat sink further includes a partition plate disposed between the first water outlet and the second water outlet and used for separating the first water outlet from the second water outlet.

The utility model also provides an automobile, include as above the water-cooling oil cooling system of gearbox.

The utility model provides a water-cooling oil cooling system and car of gearbox through the size that reduces the oil cooler to integrate the oil cooler on the gearbox, make the oil circulation circuit set up inside the gearbox, thereby cancel oil pipe; in addition, a water circulation loop is added outside the gearbox, so that the oil cooler and the engine share the radiator, and the space layout is more reasonable while the cost of a water-cooling oil-cooling radiating system of the gearbox is reduced.

Drawings

Fig. 1 is the circulation of the cooling liquid in the water-cooling oil-cooling heat dissipation system of the embodiment of the present invention.

Fig. 2 is a schematic structural diagram of a heat sink in an embodiment of the present invention.

Fig. 3 is the embodiment of the present invention, an oil cooler is integrated on the transmission case.

Detailed Description

To further illustrate the technical means and effects of the present invention adopted to achieve the intended purpose of the present invention, the following detailed description of the embodiments, structures, features and effects of the present invention will be made with reference to the accompanying drawings and examples.

Fig. 1 is the embodiment of the utility model provides an in the circulation of coolant liquid among the water-cooling oil-cooling system of gearbox, fig. 2 is the embodiment of the utility model provides an in the structural schematic diagram of radiator, fig. 3 is the embodiment of the utility model provides an in the structural schematic diagram of oil cooler integration on the gearbox. Please combine fig. 1 to fig. 3, the utility model provides a water-cooling oil cooling heat dissipation system of gearbox 40, this water-cooling oil cooling heat dissipation system of gearbox 40 includes radiator 20, oil cooler 30, gearbox 40, engine 50 and water pump 10, oil cooler 30 is integrated as an organic whole with gearbox 40, water pump 10, radiator 20, oil cooler 30 and engine 50 form the first return circuit with the pipe connection, water pump 10, radiator 20 and engine 50 form the second return circuit with the pipe connection, be formed with the third return circuit between oil cooler 30 and the gearbox 40. The first and second circuits are circuits of cooling fluid, and the third circuit is a circuit of oil.

Referring to fig. 1 and 2, the radiator 20 includes a first water inlet 21, a first water outlet 22, and a second water outlet 23, and under the action of the water pump, the coolant flows out from the engine 50 and enters the radiator 20 through the first water inlet 21 to be cooled. One part of the cooled coolant flows into the oil cooler 30 through the first water outlet 22 of the radiator 20 and then flows into the engine 50, and the other part of the cooled coolant directly flows into the engine 50 through the second water outlet 23.

Referring to fig. 2, the radiator 20 further includes a partition 24, and the partition 24 is disposed between the first water outlet 22 and the second water outlet 23 and is used for partitioning the first water outlet 22 and the second water outlet 23, so as to divide the coolant cooled by the radiator 20 into two parts, one part enters the oil cooler 30 to cool the transmission case 40, and the other part enters the engine 50 to cool the engine 50.

Referring to fig. 1 to 3, the oil cooler 30 includes a first port 31 connected to the radiator 20 and a second port 32 connected to the engine 50, and the first port 31 and the second port 32 are respectively used for the inlet and the outlet of the coolant. The oil cooler 30 further comprises a third interface 33 and a fourth interface 34 which are connected with the gearbox 40, the third interface 33 is in butt joint with an oil inlet of the gearbox 40, and the fourth interface 34 is in butt joint with an oil outlet of the gearbox 40. The third interface 33 is sealed with an oil inlet of the gearbox 40 through a sealing ring, and the fourth interface 34 is sealed with an oil outlet of the gearbox 40 through a sealing ring.

The present embodiment is different from the related art in that the oil cooler 30 is integrated on the transmission case 40 by a fixing member, and a third circuit for circulating oil is formed between the oil cooler 30 and the transmission case 40 and is provided in the transmission case 40. That is, in the present embodiment, there is no need to provide an oil pipe between the oil cooler 30 and the transmission case 40, and the oil flows directly in the transmission case 40. A water pipe for flowing the cooling fluid is further provided between the oil cooler 30 and the transmission case 40. In this embodiment, the oil cooler 30 is fixedly connected to the transmission case 40 by four bolts 35, for example.

The utility model also provides an automobile, it includes as above the water-cooling oil cooling system of gearbox 40.

The utility model provides a water-cooling oil cooling system and car of gearbox 40, through reducing the size of oil cooler 30, and integrate oil cooler 30 on gearbox 40, make the oil circulation circuit set up inside gearbox 40, thus cancel oil pipe; in addition, a water circulation loop is added outside the gearbox 40, so that the oil cooler 30 and the engine share the radiator 20, the cost of the water-cooling oil-cooling heat dissipation system of the gearbox 40 is reduced, and the spatial layout is more reasonable.

As used herein, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, including not only those elements listed, but also other elements not expressly listed.

In this document, the terms front, back, upper and lower are used to define the components in the drawings and the positions of the components relative to each other, and are used for clarity and convenience of the technical solution. It is to be understood that the use of the directional terms should not be taken to limit the scope of the claims.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. The utility model provides a water-cooling oil cooling system of gearbox, its characterized in that, includes radiator, oil cooler, gearbox, engine and water pump, the oil cooler with the gearbox is integrated as an organic whole, the water pump the radiator the oil cooler with the engine is with pipe connection forms first return circuit, the water pump the radiator with pipe connection forms the second return circuit for the engine, the oil cooler with the gearbox forms the third return circuit.

2. The water-cooled oil-cooled heat dissipation system of a transmission of claim 1, wherein the oil cooler comprises a first port connected to the radiator and a second port connected to the engine, and the first port and the second port are respectively used for the inlet and outlet of coolant.

3. The water-cooled oil-cooled heat dissipation system of a transmission of claim 1, wherein the oil cooler further comprises a third interface and a fourth interface connected with the transmission, the third interface is in butt joint with an oil inlet of the transmission, and the fourth interface is in butt joint with an oil outlet of the transmission.

4. The water-cooling oil-cooling heat dissipation system of the gearbox as recited in claim 3, wherein the third interface is sealed with the oil inlet of the gearbox by a sealing ring, and the fourth interface is sealed with the oil outlet of the gearbox by a sealing ring.

5. The water-cooled oil-cooled heat dissipating system of a transmission of claim 4, wherein the oil cooler is integrated with the transmission by a fixing member, and a third circuit for supplying oil to circulate is formed between the oil cooler and the transmission, and the third circuit is disposed in the transmission.

6. The water-cooled oil-cooled heat dissipation system for a transmission of claim 1, wherein the radiator comprises a first water inlet into which the coolant flows, a first water outlet connected to the oil cooler, and a second water outlet connected to the engine.

7. The water-cooled oil-cooled heat dissipation system for a transmission of claim 6, wherein the heat sink further comprises a partition plate disposed between the first water outlet and the second water outlet and separating the first water outlet from the second water outlet.

8. An automobile, characterized by comprising a water-cooling oil-cooling heat-dissipating system of a transmission according to any one of claims 1 to 7.