CN211422797U - Engine system and vehicle - Google Patents

Abstract

The utility model provides an engine system and a vehicle, the engine system comprises an engine (8), an engine air inlet pipeline communicated with an air inlet of the engine (8), and an exhaust tail pipe (6) communicated with an air outlet of the engine (8); the engine air inlet pipeline further comprises an air inlet bypass valve (2) and an air inlet bypass branch pipe (7), the air inlet bypass branch pipe (7) comprises a warming air inlet pipe (71) and a warming exhaust pipe (72), the air inlet bypass valve (2) is communicated with the exhaust tail pipe (6) through the warming air inlet pipe (71), and the warming exhaust pipe (72) is arranged at the other end of the exhaust tail pipe (6); the vehicle includes the engine system. The utility model discloses the effectual inlet air temperature who improves the engine to help prolonging the life of engine.

Description

Engine system and vehicle

Technical Field

The utility model relates to an engine field especially relates to an engine system and vehicle that can preheat entering engine air.

Background

The engine hot vehicle is a necessary process when the vehicle enters a state before running, because the engine is stood overnight, the temperature of engine oil and cooling liquid of the engine is reduced to the minimum, the viscosity of lubricating oil is increased due to low temperature, the adhesive force and the fluidity are poor, and the load of the engine can be increased and unnecessary abrasion is increased when the vehicle runs under a cold state.

The scientific and efficient vehicle warming can ensure that the temperature of engine oil and cooling liquid of the engine can quickly reach the minimum driving requirement, and shortens the warm season time and the necessary driving process. According to the existing engine system, under the condition of low-temperature warm-up, after fresh air passes through an air filter, the fresh air also needs to pass through a turbocharger and an intercooler, the fresh air can obtain certain heat at the supercharger, and after the fresh air passes through the intercooler, the heat can be forcibly absorbed by the intercooler. Therefore, in the warm-up state, the air inlet temperature is low, the combustion efficiency is poor, effective warm-up effect can not be realized basically, and external supercooled air directly enters the engine, so that the load of the engine is increased, and the abrasion of the engine is increased.

Disclosure of Invention

In order to solve the problem, the utility model provides an engine system and vehicle, through this utility model, the effectual inlet air temperature who improves the engine to help prolonging the life of engine.

The utility model provides an engine system, including the engine, communicate in the engine air inlet pipeline of engine air inlet, and communicate in the tail pipe of engine gas outlet, the engine air inlet pipeline still includes inlet bypass valve and inlet bypass branch pipe, the inlet bypass branch pipe includes warm-up intake pipe and warm-up blast pipe, the inlet bypass valve passes through the warm-up intake pipe with the tail pipe intercommunication, the other end of tail pipe is the warm-up blast pipe.

As a further optimization of the utility model, the engine air inlet pipeline still includes air cleaner and the cooling device who connects in order, the bypass valve that admits air set up in air cleaner with between the cooling device.

As the utility model discloses a further optimization, tail pipe is annular cavity setting, air inlet bypass branch pipe communicate in tail pipe's annular portion.

As a further optimization of the utility model, still be provided with turbo charger on the engine intake manifold, turbo charger set up in the bypass valve that admits air with between the bypass branch pipe that admits air.

As a further refinement of the invention, the exhaust end of the engine is provided with a turbine.

As a further optimization of the present invention, the turbine in the turbine and the turbocharger function as a further optimization of the present invention, the engine is a diesel engine.

As a further optimization of the present invention, the cooling device is an intercooler.

As a further optimization of the utility model, the inlet end of the engine is provided with a gas saving device.

As a further optimization of the utility model, the solar term device is the air throttle.

The utility model also provides a vehicle, including above-mentioned arbitrary engine system.

The utility model discloses an engine system and vehicle, its through setting up the inlet bypass branch road that can communicate with tail pipe, make the cold air that enters into the engine can enter into tail pipe earlier, absorb tail pipe's exhaust heat to realized preheating of air, and then make the air that enters into in the engine be unlikely to the subcooling, reduced the wearing and tearing to the engine, prolonged the life of engine.

Drawings

The present invention will be described in more detail hereinafter based on embodiments and with reference to the accompanying drawings.

Fig. 1 is a schematic structural diagram of an engine system according to an embodiment of the present invention.

FIG. 2 is a schematic illustration of a tailpipe in communication with an intake bypass branch.

In the drawings, like parts are provided with like reference numerals. The figures are not drawn to scale.

Wherein, 1, an air filter; 2. an intake bypass valve; 3. a turbocharger; 4. a cooling device; 5. a gas saving device; 6. a tail pipe; 7. an intake bypass branch; 71. a warming air inlet pipe; 72. warming up an exhaust pipe; 8. an engine; 9. a turbine.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings.

As shown in fig. 1, the present invention provides an engine system, which includes an engine 8, an engine intake pipeline communicated with an air inlet of the engine 8, and a tail pipe 6 communicated with an air outlet of the engine 8; the engine air inlet pipeline sets up air cleaner 1 and cooling device 4 in order, the engine air inlet pipeline still includes inlet bypass valve 2 and inlet bypass branch pipe 7, inlet bypass branch pipe 7 is including warm machine intake pipe 71 and warm machine exhaust pipe 72, inlet bypass valve 2 set up in air cleaner 1 with between the cooling device 4, inlet bypass valve 2 passes through warm machine intake pipe 71 with tail pipe 6 communicates, tail pipe 6's the other end is warm machine exhaust pipe 72, warm machine exhaust pipe 72 communicate in cooling device 4.

According to the engine system, external air enters the engine through the engine air inlet pipeline and is exhausted through the tail pipe 6, and the heat of the exhaust gas passing through the engine is high, so that when the air inlet bypass branch pipe 7 communicated with the tail pipe 6 is arranged, the air in the air inlet bypass branch pipe 7 can absorb the heat of the exhaust gas in the tail pipe 6, the air entering the engine 8 has certain heat, the damage of the engine caused by the fact that the external air directly enters the engine after passing through the cooling device in the prior art is overcome, and the service life of the engine is prolonged.

As shown in fig. 2, the tail pipe 6 is disposed in an annular hollow shape, and the bypass intake pipe 7 communicates with the annular portion of the tail pipe 6. The tail pipe 6 is annular, wherein the exhaust port of the engine is communicated with the middle part of the tail pipe 6, and the air inlet bypass branch pipe 7 is communicated with the annular part of the tail pipe 6, so that the exhaust gas channel of the engine is effectively separated from the air channel entering from the air inlet bypass branch pipe, and the gases of the exhaust gas channel and the air inlet bypass branch pipe are prevented from mixing.

With continued reference to fig. 1, a turbocharger 3 is further disposed on the engine intake manifold, and the turbocharger 3 is disposed between the intake bypass valve 2 and the intake bypass branch pipe 7. The arrangement of the turbocharging wheel leads the preheated air to firstly enter the cooling device for cooling after being supercharged by the turbocharging wheel, and then enter the engine together for combustion. Here, provision of the turbocharger can improve the thermal efficiency of the engine system.

Meanwhile, as shown in fig. 1, the exhaust end of the engine 8 is provided with a turbine 9. The turbine wheel of the turbine 9 is arranged coaxially with the impeller of the turbocharger 3. The supercharging function of the turbocharger is to drive a turbine in the turbine to rotate by using exhaust gas discharged by the engine, and the turbine in the turbine is coaxially connected with an impeller in the turbocharger, so that the impeller in the turbocharger also rotates simultaneously, and the intake air filtered by the air filter 1 is supercharged and then is supplied to an air inlet pipe of the engine 5, thereby improving the power-up of the engine, improving the combustion efficiency in an engine cylinder, improving the power performance and the fuel economy performance of the engine, and realizing higher-standard emission.

The cooling device 4 may be selected according to actual conditions (for example, installation space, input cost, and the like), and in the present embodiment, the cooling device 4 may be an intercooler. Certainly, in order to save cost, the intercooler can be an intercooler of the engine system, and the intercooler of the engine system is large and has high cooling capacity, so that the air inflow can be increased, more waste gas and fresh air are mixed, the waste gas recirculation rate is improved, and the emission of nitrogen oxides can be effectively controlled.

In order to further improve the combustion effect of the engine, a throttle device 5 is provided particularly at the intake end of the engine 8, and this throttle device 5 is preferably a throttle valve. The throttle device adjusts and controls the mixture of air intake and fuel oil, so that the air intake system of the engine is suitable for different working conditions.

Additionally, the utility model discloses an engine system, not only applicable in the petrol vehicle, also applicable diesel vehicle, when it is diesel vehicle, the engine is the diesel engine.

The utility model also provides a vehicle, this vehicle include the engine system in any one of the above-mentioned embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "bottom", "top", "front", "rear", "inner", "outer", "left", "right", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

While the invention has been described with reference to a preferred embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, the technical features mentioned in the embodiments can be combined in any way as long as there is no structural conflict. The present invention is not limited to the particular embodiments disclosed herein, but encompasses all technical solutions falling within the scope of the claims.

Claims (10)

1. An engine system comprises an engine (8), an engine air inlet pipeline communicated with an air inlet of the engine (8), and a tail pipe (6) communicated with an air outlet of the engine (8); the engine intake pipeline is characterized by further comprising an intake bypass valve (2) and an intake bypass branch pipe (7), wherein the intake bypass branch pipe (7) comprises a warm-up intake pipe (71) and a warm-up exhaust pipe (72), the intake bypass valve (2) is communicated with the tail pipe (6) through the warm-up intake pipe (71), and the other end of the tail pipe (6) is the warm-up exhaust pipe (72).

2. The engine system according to claim 1, characterized in that the engine intake line further comprises an air cleaner (1) and a cooling device (4) connected in series, the intake bypass valve (2) being disposed between the air cleaner (1) and the cooling device (4).

3. An engine system according to claim 1, characterized in that the tail pipe (6) is arranged in an annular hollow, and the bypass inlet pipe branch (7) communicates with the annular part of the tail pipe (6).

4. An engine system according to claim 1, characterized in that a turbocharger (3) is further provided on the engine intake manifold, the turbocharger (3) being provided between the intake bypass valve (2) and the intake bypass branch (7).

5. An engine system according to claim 4, characterized in that the exhaust end of the engine (8) is provided with a turbine (9).

6. An engine system according to claim 5, characterized in that the turbine in the turbine (9) is arranged coaxially with the impeller of the turbocharger (3).

7. An engine system according to claim 2, characterised in that the cooling device (4) is an intercooler.

8. An engine system according to claim 1, characterized in that the inlet end of the engine (8) is provided with a throttle device (5).

9. An engine system according to claim 8, characterized in that the throttle device (5) is a throttle valve.

10. A vehicle comprising an engine system as claimed in any one of claims 1 to 9.

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