CN212985366U - Turbocharger compensation structure based on carbon tank active desorption structure - Google Patents

Abstract

The utility model provides a turbo charger's compensation structure based on active desorption structure of carbon tank belongs to car turbocharging technical field. The turbocharger supercharging hysteresis compensation device solves the problems that an existing turbocharger supercharging hysteresis compensation device is inconvenient to arrange and high in cost. The automobile comprises an engine and a carbon tank, a supercharging air inlet pipe of the turbocharger is connected with the external atmosphere, a supercharging air outlet pipe of the turbocharger is connected with an air inlet manifold of the engine, the compensation structure comprises a booster pump, a first air inlet pipe of the booster pump is connected with an air outlet of the carbon tank, an air outlet pipeline of the booster pump is connected with the air inlet manifold of the engine, a second air inlet pipe of the booster pump is connected with the external atmosphere, and a connecting and disconnecting part is arranged on the second air inlet pipe. The compensation structure of the turbocharger has the advantages of convenience in arrangement and low cost.

Description

Turbocharger compensation structure based on carbon tank active desorption structure

Technical Field

The utility model belongs to the technical field of car turbocharging, a turbo charger's compensation structure based on active desorption structure of carbon tank is related to.

Background

At present, in order to ensure the dynamic property of the whole automobile, an engine is adopted to carry a supercharger to meet the requirement of the market on the dynamic property, the supercharger takes a turbocharger as the main stream, but when the air input of the engine needs to be increased, the turbine needs to be increased to high-speed operation by lower rotating speed, the air input of the engine needs to be increased, the turbocharger needs a certain time to complete the process from low speed to high speed, and the turbocharger type generally has the problem of response delay in different degrees.

Various improvements have been made to solve the above problems, and patents have been filed, for example, chinese patent documents disclose a turbocharged engine with a supercharging hysteresis compensation device [ application No.: 201320412216. X; authorization notice number: CN203362341U ], including engine and turbo charger, turbo charger's outlet duct links to each other with the intake pipe of engine, turbo engine still includes pressure boost hysteresis compensation arrangement, pressure boost hysteresis compensation arrangement includes air feeder, compensation arrangement and controlling means admits air, air feeder's gas outlet passes through the air supply line and the gas port that compensation arrangement admits air links to each other, compensation arrangement admits air connects in series on the air supply line between air feeder and engine, controlling means's output links to each other with the compensation arrangement control end that admits air, controlling means's input is used for receiving accelerator pedal signal.

The delayed compensation arrangement of pressure boost of this kind of structure, compensation gas source gas holder need set up the gas holder in the car promptly, and the gas holder specification is great, and the inner space of vehicle is limited, arranges the gas holder on whole car comparatively difficultly, and the gas holder can consume gas after using simultaneously, needs the periodic replacement, increases the expense of after-sale maintenance.

SUMMERY OF THE UTILITY MODEL

The utility model aims at the above-mentioned problem that exists among the prior art, provide a turbo charger's compensation structure based on active desorption structure of carbon tank, the technical problem of solution makes compensation structure arrange conveniently and with low costs.

The purpose of the utility model can be realized by the following technical proposal: the utility model provides a turbo charger's compensation structure based on active desorption structure of carbon tank, car include engine and carbon tank, and turbo charger's pressure boost intake pipe links to each other with external atmosphere, and turbo charger's booster outlet duct and the intake manifold of engine link to each other, and the compensation structure includes the booster pump, the first intake pipe of booster pump links to each other with the gas outlet of carbon tank, the pipeline of giving vent to anger of booster pump with the intake manifold of engine links to each other, the second intake pipe of booster pump links to each other with external atmosphere, just be provided with the break-make in the second intake pipe.

The carbon tank is used for desorbing oil gas, so that atmospheric pollution is prevented, and the oil gas desorbed from the carbon tank can enter the engine again for cyclic utilization. When the vehicle is in a conventional idling working condition or normally runs, the on-off part is closed, and the booster pump works normally and is used for desorbing oil gas; when the vehicle accelerates, the vehicle ECU controls the booster pump to run at a high speed by acquiring the acceleration information of the accelerator pedal, so that more desorbed oil gas enters the engine while the oil gas desorption is ensured, and the air inlet compensation of the engine is realized; when the air resistance of the oil-gas path is too large or the air inflow of the oil-gas path is insufficient, the vehicle ECU controls the on-off piece to be opened, so that the outside atmosphere enters the booster pump through the second air inlet pipe, and the air inlet compensation quantity of the engine is further increased; the problem of insufficient air supply of the engine caused by delayed response, slow response and the like from low speed to high speed of the turbocharger is solved, and the engine can provide continuous and strong power. And spare parts such as carbon tank, booster pump are the part of desorption oil gas that just exists in the current vehicle itself, and this compensation structure only need increase the second intake pipe and break-make spare can, arrange the convenience, need not to change repeatedly, with low costs.

In foretell a turbocharger's based on active desorption structure of carbon tank compensation structure, be equipped with empty the straining in turbocharger's the pressure boost intake pipe, the second intake pipe links to each other with empty straining. Empty device for cleaing away the particle impurity in the air of straining, can improve the work efficiency and the working life of engine through setting up empty straining.

As another aspect, in the above compensation structure of the turbocharger based on the carbon canister active desorption structure, an air filter is disposed on a boost air inlet pipe of the turbocharger, the second air inlet pipe is connected to the boost air inlet pipe of the turbocharger, and the connection is located between the turbocharger and the air filter. Empty device for cleaing away the particle impurity in the air of straining, can improve the work efficiency and the working life of engine through setting up empty straining.

In the above compensation structure of the turbocharger based on the carbon tank active desorption structure, the turbocharger and the intake manifold are respectively located at two sides of the engine. The space is reasonably utilized, and the arrangement of the turbocharger and the arrangement of the intake manifold are not interfered with each other.

In the above compensation structure of the turbocharger based on the carbon tank active desorption structure, the booster pump is an electronic air pump or a flushing pump. The response rate of the electronic air pump is far greater than that of mechanical movement, real-time regulation and control can be realized through the electronic air pump, and the problems that the turbocharger is delayed in response from low speed to high speed, slow in reaction and the like, and accordingly the air supply of the engine is insufficient are solved.

In the above-mentioned compensation structure of a turbocharger based on the active desorption structure of carbon tank, the on-off member is a stop valve or a ball valve. Stop valve or ball valve are current structure, can directly purchase on the market, use stop valve or ball valve, simple to operate.

In the above compensation structure of the turbocharger based on the carbon tank active desorption structure, the turbocharger is connected with an intake manifold of an engine through a cooling module. The cooling module plays a cooling role, and the working efficiency and the service life of the engine are improved.

Compared with the prior art, the utility model provides a pair of turbocharger's compensation structure based on active desorption structure of carbon tank has following advantage:

1. the compensation structure of the turbocharger improves the compensation amount of air intake of the engine through the booster pump, and solves the problem that the turbocharger has slow response from low speed to high speed, and the like, which causes insufficient air supply of the engine.

2. This turbo charger's compensation structure only need increase the second intake pipe and the break-make spare can, arrange the convenience, need not to change repeatedly, with low costs.

Drawings

Fig. 1 is an operation schematic diagram of the compensation structure of the present turbocharger.

In the figure, 1, an engine; 11. an intake manifold; 2. a carbon tank; 3. the outside atmosphere; 4. a turbocharger; 41. a supercharging air inlet pipe; 42. a pressurizing air outlet pipe; 5. a booster pump; 51. a first intake pipe; 52. an air outlet pipe; 53. a second intake pipe; 6. a connecting and disconnecting member; 7. air filtering; 8. and a cooling module.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

Example one

As shown in fig. 1, the automobile includes an engine 1, a canister 2, a turbocharger 4, an air filter 7, and a cooling module 8. The compensation structure of the turbocharger 4 based on the active desorption structure of the carbon tank 2 comprises a booster pump 5 and an on-off member 6. In the drawing, the arrow of the dotted line is gas before pressurization, the arrow of the hollow line is gas after pressurization, and the arrow of the solid line is oil gas. The vehicle ECU controls the booster pump and the on-off member.

The supercharging inlet pipe 41 of the turbocharger 4 is connected with the external atmosphere 3, the air filter 7 is arranged on the supercharging inlet pipe 41 of the turbocharger 4, the supercharging outlet pipe 42 of the turbocharger 4 is connected with the air inlet manifold 11 of the engine 1, the supercharging outlet pipe 42 is provided with the cooling module 8, and the turbocharger 4 and the air inlet manifold 11 are respectively positioned on two sides of the engine 1.

A first air inlet pipe 51 of the booster pump 5 is connected with an air outlet of the carbon tank 2, an air outlet pipeline 52 of the booster pump 5 is connected with an air inlet manifold 11 of the engine 1, a second air inlet pipe 53 of the booster pump 5 is connected with the air filter 7, and an on-off part 6 is arranged on the second air inlet pipe 53. In this embodiment, the booster pump 5 is an electronic air pump, and the on-off member 6 is a stop valve, and in actual production, the booster pump 5 may be a flush pump, and the on-off member 6 may be a ball valve.

The carbon tank 2 is used for desorbing oil gas, and when the vehicle normally idles the working condition or normally runs, the on-off part 6 is closed, and the booster pump 5 normally works for desorbing the oil gas. When the vehicle accelerates, the vehicle ECU controls the booster pump 5 to run at a high speed by acquiring the acceleration information of the accelerator pedal, so that more desorbed oil gas enters the engine 1 while the oil gas desorption is ensured, and the air intake compensation is realized. When the air resistance of the oil-gas path is too large or the air inflow of the oil-gas path is insufficient, the vehicle ECU controls the on-off part 6 to be opened, so that the outside atmosphere 3 enters the booster pump 5 through the air filter 7 and the second air inlet pipe 53, the air inlet compensation quantity of the engine 1 is further increased, and the problem of insufficient air supply of the engine 1 caused by slow response and the like of the turbocharger 4 from low speed to high speed is solved.

Example two

The present embodiment is basically the same in structure and principle as the first embodiment, except that in the present embodiment, the second intake pipe 53 is connected to the boost intake pipe 41 of the turbocharger 4, and the connection is located between the turbocharger 4 and the air filter 7.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Although terms such as engine 1, intake manifold 11, canister 2, ambient atmosphere 3, turbocharger 4, boost outlet 42, boost pump 5, first inlet pipe 51, outlet pipe 52, second inlet pipe 53, on-off element 6, air filter 7, cooling module 8, etc. are used more herein, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed in a manner that is inconsistent with the spirit of the invention.

Claims (7)

1. The utility model provides a turbo charger's compensation structure based on active desorption structure of carbon tank, the car includes engine (1) and carbon tank (2), and pressure boost intake pipe (41) of turbo charger (4) link to each other with external atmosphere (3), and booster outlet pipe (42) of turbo charger (4) and air intake manifold (11) of engine (1) link to each other, its characterized in that, compensation structure include booster pump (5), first intake pipe (51) of booster pump (5) link to each other with the gas outlet of carbon tank (2), outlet duct (52) of booster pump (5) with air intake manifold (11) of engine (1) link to each other, second intake pipe (53) of booster pump (5) link to each other with external atmosphere (3), just be provided with on second intake pipe (53) and lead to disconnected piece (6).

2. The compensation structure of the turbocharger based on the carbon tank active desorption structure according to claim 1, wherein an air filter (7) is arranged on a supercharging air inlet pipe (41) of the turbocharger (4), and the second air inlet pipe (53) is connected with the air filter (7).

3. The compensation structure of the turbocharger based on the carbon tank active desorption structure is characterized in that an air filter (7) is arranged on a boost air inlet pipe (41) of the turbocharger (4), the second air inlet pipe (53) is connected with the boost air inlet pipe (41) of the turbocharger (4), and the connection position is located between the turbocharger (4) and the air filter (7).

4. The compensation structure of a turbocharger based on a carbon tank active desorption structure according to claim 1, 2 or 3, characterized in that the turbocharger (4) and the intake manifold (11) are respectively positioned at two sides of the engine (1).

5. The compensation structure of a turbocharger based on a carbon tank active desorption structure as claimed in claim 1, 2 or 3, characterized in that the booster pump (5) is an electronic air pump or a flushing pump.

6. The compensation structure of a turbocharger based on a carbon tank active desorption structure according to claim 1, 2 or 3, characterized in that the on-off part (6) is a stop valve or a ball valve.

7. The compensation structure of a turbocharger based on a carbon tank active desorption structure according to claim 1, 2 or 3, characterized in that the turbocharger (4) is connected with an air inlet manifold (11) of an engine (1) through a cooling module (8).

Images