CN215170318U

CN215170318U - Engine cooling system

Info

Publication number: CN215170318U
Application number: CN202120396964.8U
Authority: CN
Inventors: 王亚超; 张爱文; 张艳芳
Original assignee: FAW Group Corp
Current assignee: FAW Group Corp
Priority date: 2021-02-23
Filing date: 2021-02-23
Publication date: 2021-12-14
Anticipated expiration: 2031-02-23

Abstract

The utility model relates to an engine cooling system, include: the engine, the expansion water tank, the engine mechanical water pump and the like; the engine heat management module arranged on the engine is provided with three branches; the first branch is communicated with the engine heat management module, the radiator and the engine mechanical water pump in sequence; the second branch is communicated with the engine heat management module, the transmission oil cooler, the engine oil cooler and the engine mechanical water pump in sequence; the third branch is started by the engine heat management module, is converged with the turbocharger cooling loop and is communicated with the electric water pump after being converged; and the one-inlet three-outlet four-way valve communicated with the electric water pump is respectively communicated with the bypass loop, the front warm air core body and the rear warm air core body and finally returns to the engine through the mechanical water pump of the engine. The utility model discloses an adopt one to advance three and go out the four-way valve door, realize the rivers switching of engine microcirculation, preceding warm braw core, back warm braw core, band original a plurality of two and lead to the water valve, greatly reduced cooling system self cost.

Description

Engine cooling system

Technical Field

The utility model relates to a cooling system especially relates to an engine cooling system, belongs to automobile engine cooling technical field.

Background

The engine cooling system is used for keeping the temperature of the engine in a proper temperature range under all working conditions, and the cooling system is used for preventing the engine from being overheated and preventing the engine from being overcooled in winter. If the engine cools, wear on the components may increase, thereby reducing engine efficiency and emitting more pollutants. After the engine is cold started, the cooling system also ensures that the engine is rapidly warmed up to reach a normal working temperature as soon as possible.

The cooling system also has other important functions of transferring the heat of the engine to the automobile heating device. In the automobile heater, the heat source is mainly from hot water supplied by an engine, heating can be realized in winter, but in summer, the heat of the hot air can be radiated to a passenger compartment, and the refrigerating capacity of an air conditioner is reduced. The common solution is to add on/off water valve control in the warm air water circulation. For a vehicle adopting a front air-conditioning three-compartment and a rear air-conditioning three-compartment, a plurality of water valves are required to be added for respective control, so that the purpose of distributing heat according to needs is achieved. The increase of the water valve causes the inevitable cost increase and also has the risk of inconvenient control.

Therefore, how to optimize the existing engine cooling system and how to reduce the cost of the cooling system itself are problems to be solved urgently in the art.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to solve the problem that exists among the prior art, provide an engine cooling system, optimized current engine cooling system, under the prerequisite that realizes engine system cooling, derailleur oil cooling, engine oil cooling, warm braw heating function, adopt one to advance three cross valves through the setting, banned original a plurality of two and led to the water valve, when satisfying various warm braw demands, greatly reduced cooling system's self cost.

In order to realize the technical purpose, the technical effect is achieved, the utility model discloses a following technical scheme:

an engine cooling system comprising: engine 1, expansion tank 2, radiator 5, engine mechanical water pump 3, bypass circuit 11, preceding warm braw core 9, back warm braw core 10 and pipeline, its characterized in that:

an engine thermal management module TMM is arranged on the engine 1, the engine thermal management module TMM is provided with three branches, and the first branch is communicated with the engine 1 through a radiator 5 and an engine mechanical water pump 3; the second branch is communicated with a transmission oil cooler 6, an engine oil cooler 4 and a water inlet of an engine mechanical water pump 3 in sequence; the third branch is communicated with an inlet a of a one-inlet three-outlet four-way valve 8 through a TURBO charger TURBO and an electric water pump 7; the one-inlet three-outlet four-way valve 8 comprises an outlet b, an outlet c and an outlet d which are respectively communicated with a water inlet of the engine mechanical water pump 3; the expansion water tank 2 is communicated with a water inlet of the engine mechanical water pump 3 and is communicated with three branch circuits arranged on the engine thermal management module TMM.

Preferably, the water inlet of the radiator 5 is communicated through a pipeline, the water outlet of the radiator 5 is communicated with the water inlet pipeline of the mechanical water pump 3 of the engine, and the water outlet of the mechanical water pump 3 of the engine is communicated with the engine 1.

Preferably, a third branch of the engine thermal management module TMM starts from the engine thermal management module TMM and is merged with a TURBO charger TURBO cooling loop, the merged pipeline is communicated with one end of an electric water pump 7, and the other end of the electric water pump 7 is communicated with an inlet a of a one-inlet three-outlet four-way valve 8.

Preferably, the outlet b of the one-inlet three-outlet four-way valve 8 is communicated with the water inlet of the engine mechanical water pump 3 to form a bypass loop 11.

Preferably, an outlet c of the one-inlet three-outlet four-way valve 8 is communicated with one end of the front warm air core body 9, and the other end of the front warm air core body 9 is communicated with a water inlet of the engine mechanical water pump 3.

Preferably, an outlet d of the one-inlet three-outlet four-way valve 8 is communicated with one end of the rear warm air core 10, and the other end of the rear warm air core 10 is communicated with a water inlet of the engine mechanical water pump 3.

Preferably, the other end of the TURBO charger TURBO cooling circuit communicates with the cylinder head of the engine 1.

Preferably, the one-inlet three-outlet four-way valve 8 is a rotary ball valve.

The warm air heating control is as follows:

when the vehicle has no warm air demand, the inlet a-the outlet b are communicated to form a bypass loop, the outlet c and the outlet d are closed, and no cooling liquid flows through;

when the vehicle has a front warm air demand and the demand is not large, the inlet a-the outlet b and the outlet c are communicated, the outlet b and the outlet c are simultaneously opened, and the outlet d is closed;

when the vehicle has a front warm air demand, the inlet a-the outlet c are communicated to form a front warm air loop, and the outlet b and the outlet d are closed;

when the vehicle has front and rear warm air requirements, the inlets a-outlets c and d are communicated to form a full warm air loop, and the outlet b is closed;

when the vehicle only needs rear warm air, the inlet a-the outlet d are communicated to form a rear warm air loop, and the outlet b and the outlet d are closed.

Compared with the prior art, the utility model beneficial effect lies in:

the utility model discloses an afflux the cooling circuit of the Turbocharger (TURBO) between engine Thermal Management Module (TMM) and electric water pump, when the engine is shut down, realize the cooling of the turbocharger through the operation of the electric water pump; when the engine rotates at a low speed and the warm air is required, the flow is complemented for the warm air system through the operation of the electric water pump;

in a warming state and a heating state, the one-inlet three-outlet four-way valve can realize the independent control of the bypass loop, the front warm air loop and the rear warm air loop, and when the valve rotates to a middle state, two passages can be realized. Through adopting one-in three-out four-way valve, realize the rivers switching of engine small circle (bypass return circuit circulation), preceding warm braw core, back warm braw core, banned original a plurality of two water valves that lead to, when satisfying various warm braw demands, greatly reduced cooling system's self cost.

Drawings

FIG. 1 is a conceptual schematic diagram of one such engine cooling system.

The system comprises an engine 1, an expansion water tank 2, an engine mechanical water pump 3, an engine oil cooler 4, a radiator 5, a transmission oil cooler 6, an electric water pump 7, an 8-one-inlet three-outlet four-way valve, a front warm air core body 9 and a rear warm air core body 10.

Detailed Description

The preferred embodiments of the present invention will be described with reference to the accompanying drawings, which are not intended to limit the scope of the invention, but rather, are intended to cover all modifications and equivalents of the claims.

Referring to fig. 1, an engine cooling system includes: the system comprises an engine 1, an expansion water tank 2, a radiator 5, an engine mechanical water pump 3, a bypass loop 11, a front warm air core body 9, a rear warm air core body 10 and a pipeline; an engine Thermal Management Module (TMM) is arranged on the engine 1; the engine Thermal Management Module (TMM) is provided with three branches, including a first branch, a second branch and a third branch; the first branch is started by an engine Thermal Management Module (TMM) and is communicated with a water inlet of a radiator 5 through a pipeline, and a water outlet of the radiator 5 is communicated with a water inlet pipeline of an engine mechanical water pump 3; the water outlet of the engine mechanical water pump 3 is communicated with the engine 1; the second branch is started by an engine Thermal Management Module (TMM) and is sequentially communicated with a transmission oil cooler 6, an engine oil cooler 4 and a water inlet of an engine mechanical water pump 3 through pipelines; a third branch is started by an engine Thermal Management Module (TMM) and is converged with a Turbocharger (TURBO) cooling loop, and a converged pipeline is communicated with one end of an electric water pump 7; the other end of the electric water pump 7 is communicated with an inlet a of a one-inlet three-outlet four-way valve 8; the one-inlet three-outlet four-way valve 8 comprises an outlet b, an outlet c and an outlet d; wherein, the outlet b is communicated with the water inlet of the engine mechanical water pump 3 to form a bypass loop 11; the outlet c is communicated with one end of the front warm air core body 9, and the other end of the front warm air core body 9 is communicated with a water inlet of the engine mechanical water pump 3; the outlet d is communicated with one end of the rear warm air core body 10, and the other end of the rear warm air core body 10 is communicated with a water inlet of the engine mechanical water pump 3; the other end of the Turbocharger (TURBO) cooling loop is communicated with a cylinder cover of the engine 1; the expansion water tank 2 is communicated with a water inlet of the engine mechanical water pump 3 and is communicated with three branch circuits arranged on an engine Thermal Management Module (TMM) to realize water supplement of each branch;

preferably, the one-inlet three-outlet four-way valve 8 is a rotary ball valve.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation.

Although particular implementations of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An engine cooling system comprising: engine (1), expansion tank (2), radiator (5), engine mechanical water pump (3), bypass circuit (11), preceding warm braw core (9), back warm braw core (10) and pipeline, its characterized in that:

an engine Thermal Management Module (TMM) is arranged on the engine (1), the engine Thermal Management Module (TMM) is provided with three branches, and the first branch is communicated with the engine (1) through a radiator (5) and an engine mechanical water pump (3); the second branch is communicated with a transmission oil cooler (6), an engine oil cooler (4) and a water inlet of an engine mechanical water pump (3) in sequence; the third branch is communicated with an inlet a of a one-inlet three-outlet four-way valve (8) through a TURBO charger TURBO and an electric water pump (7); the one-inlet three-outlet four-way valve (8) comprises an outlet b, an outlet c and an outlet d which are respectively communicated with a water inlet of the engine mechanical water pump (3); the expansion water tank (2) is communicated with a water inlet of the engine mechanical water pump (3) and is communicated with three branch circuits arranged on the engine Thermal Management Module (TMM).

2. The engine cooling system according to claim 1, wherein a first branch of the engine thermal management module TMM is communicated with a water inlet of a radiator (5) through a pipeline from the engine thermal management module TMM, a water outlet of the radiator (5) is communicated with a water inlet pipeline of a mechanical water pump (3) of the engine, and a water outlet of the mechanical water pump (3) of the engine is communicated with the engine (1).

3. The engine cooling system according to claim 1, characterized in that the third branch of the engine thermal management module TMM starts from the engine thermal management module TMM and merges with the TURBO charger TURBO cooling circuit, and the merged pipeline is communicated with one end of the electric water pump (7), and the other end of the electric water pump (7) is communicated with the inlet a of the four-way valve (8).

4. The engine cooling system according to claim 1, characterized in that the outlet b of the one-in three-out four-way valve (8) is communicated with the water inlet of the engine mechanical water pump (3) to form a bypass loop (11).

5. The engine cooling system as claimed in claim 1, characterized in that the outlet c of the one-in three-out four-way valve (8) is communicated with one end of the front warm air core (9), and the other end of the front warm air core (9) is communicated with the water inlet of the engine mechanical water pump (3).

6. The engine cooling system as claimed in claim 1, characterized in that the outlet d of the one-in three-out four-way valve (8) is communicated with one end of the rear warm air core body (10), and the other end of the rear warm air core body (10) is communicated with the water inlet of the engine mechanical water pump (3).

7. An engine cooling system according to claim 1, characterized in that the turbocharger TURBO cooling circuit communicates at the other end with the engine (1) head.

8. Engine cooling system according to any one of claims 4 to 6, characterized in that the one-in-three-out four-way valve (8) is a rotary ball valve.