CN206206029U - A kind of distance increasing unit gas handling system - Google Patents

Abstract

This utility model discloses a range extender intake system, including an air filter, air piping, and intercooler piping. A turbocharger is installed between the air piping and the intercooler piping. The air piping includes an air filter outlet pipe, an intermediate connecting pipe, and an intake pipe connected in sequence. The outlet of the intake pipe is connected to the intake port of the turbocharger. The intercooler piping includes a turbocharger outlet pipe, an intercooler pipe, and a throttle valve intake pipe connected in sequence. The inlet of the turbocharger outlet pipe is connected to the outlet of the turbocharger. This utility model aims to provide a compact and low-cost range extender intake system.

Description

A range extender air intake system

technical field

The utility model belongs to the field of range extenders, in particular to an intake system of a range extender.

Background technique

With the in-depth development of models equipped with range extenders, it is urgent to develop an air intake system that matches the range extender. Existing air intake system, such as Chinese patent announcement number: CN103291442A, discloses an air intake system of a two-stage supercharged engine, including an air filter, an intake manifold, an electromagnetic bypass valve, a supercharger, an intercooler The air filter is connected to the electromagnetic bypass valve and the supercharger through the outlet pipe of the air filter, and the electromagnetic bypass valve and the supercharger are connected to the turbine through the outlet pipe of the supercharger. The supercharger and the turbocharger are connected to the intercooler through the turbocharger to the intercooler pipeline, and the intercooler is connected to the intake manifold through the intake pipe, and the inlet heater is installed at the place where the intake pipe connects to the intake manifold grid. However, according to the characteristics of the range extender, it needs to be matched with a compact and low-cost intake system. The traditional intake system assembly is not suitable for the new power system due to its shortcomings such as large space occupation and high cost.

Utility model content

The utility model aims at overcoming the above-mentioned shortcomings in the prior art, and provides a range extender air intake system with a compact structure and low cost.

In order to achieve the above object, the utility model adopts the following technical solutions:

A range extender air intake system includes an air filter, an air pipeline and an intercooler pipeline, a supercharger is arranged between the air pipeline and the intercooler pipeline, and the air pipeline includes air Filter air outlet pipe, intermediate connecting pipe and air intake pipe, the outlet of the air intake pipe is connected with the air inlet of the supercharger, and the intercooler pipeline includes the supercharger air outlet pipe, intercooler pipe and throttle connected in sequence from end to end. Valve inlet pipe, the inlet of the supercharger outlet pipe is connected with the outlet of the supercharger. In this way, the intake system pipeline of the range extender is relatively compact, and the air directly enters the range extender after passing through the air filter and the air pipeline, thereby reducing the pressure loss of the intake system, increasing the intake pressure of the engine, and increasing the power of the engine sex and economy. In the intercooler pipeline, the intercooler is used to replace the traditional intercooler, which saves production costs, reduces air intake resistance, and improves air intake efficiency.

As a preference, a muffler chamber is provided between the supercharger outlet pipe and the intercooler pipe, the muffler chamber is cylindrical, and the diameter of the muffler chamber is larger than that of the supercharger outlet pipe. The silencer chamber on the intercooler pipeline is located close to the outlet pipe of the supercharger, which can reduce noise transmission and vibration and improve comfort.

Preferably, the air pipeline is Z-shaped, the connection between the outlet pipe of the air filter and the intermediate connecting pipe is provided with a first bending part, and the connection between the intermediate connecting pipe and the intake pipe is provided with a second bending part. In the bending part, the bending directions of the first bending part and the second bending part are opposite. There are only the first bending part and the second bending part on the air pipeline, the overall length and the number of pipeline bending are reduced, thereby reducing the pressure loss of the intake system.

Preferably, a breathing tube is provided on the intake pipe, one end of the breathing tube communicates with the intake pipe, and the other end of the breathing tube communicates with the respirator of the range extender. A part of the clean air during intake can be output to the breather of the range extender.

Preferably, a compensation air pipe is provided on the intake pipe, one end of the compensation air pipe communicates with the intake pipe, and the other end of the compensation air pipe communicates with the cylinder of the range extender. Part of the clean air during intake can be output to the cylinder block of the range extender.

Preferably, the air filter is provided with an air intake grille pipe, the air intake grille pipe includes an air intake grille and an L-shaped tubular casing, and the air intake grille is arranged at intervals in the tubular casing . The air intake grille tube can prevent the entry of larger particles and impurities, so that the air filter can be exempted from rainproof measures.

The beneficial effects of the utility model are: (1) compact structure, effectively reducing space occupation, and saving manufacturing cost; (2) reducing pressure loss of the air intake system, reducing air intake resistance, and improving air intake efficiency.

Description of drawings

Fig. 1 is a structural representation of the utility model;

Fig. 2 is the bottom view of Fig. 1 of the utility model.

In the figure: air filter 1, air intake grille pipe 2, air filter bracket 3, air filter outlet pipe 4, intermediate connecting pipe 5, compensation air pipe 6, air intake pipe 7, air intake port 8, supercharger air outlet pipe 9 , Breathing pipe 10, muffler cavity 11, intercooler pipe 12, throttle intake pipe 13.

detailed description

Below in conjunction with accompanying drawing and specific embodiment, the utility model is further described.

In the embodiment shown in Figures 1 and 2, a range extender air intake system includes an air filter 1, an air pipeline and an intercooler pipeline, and a booster is provided between the air pipeline and the intercooler pipeline. The air pipeline includes an air filter outlet pipe 4, an intermediate connecting pipe 5 and an air intake pipe 7 connected end to end in sequence, and the outlet of the air intake pipe 7 is connected with the air inlet of the supercharger. The air filter 1 is provided with an air intake grille pipe 2, the air intake grille pipe 2 includes an air intake grille and an L-shaped tubular casing, and the air intake grilles are arranged at intervals in the tubular shell. The air pipeline is Z-shaped, the connection between the air filter outlet pipe and the intermediate connecting pipe 5 is provided with a first bending part, the connection between the intermediate connecting pipe 5 and the intake pipe 7 is provided with a second bending part, and the first bending part The bending directions of the second bending portion and the second bending portion are opposite. One end of the air intake pipe 7 is provided with an air intake port 8, and the air intake port 8 is connected with the air intake port of the supercharger. The intake pipe 7 is provided with a breathing pipe 10, one end of the breathing pipe communicates with the intake pipe 7, and the other end of the breathing pipe communicates with the respirator of the range extender. The air intake pipe 7 is provided with a compensation air pipe 6, one end of the compensation air pipe 6 communicates with the intake pipe 7, and the other end of the compensation air pipe 6 communicates with the cylinder of the range extender.

The intercooler pipeline includes a supercharger outlet pipe 9, an intercooler pipe 12 and a throttle inlet pipe 13 connected end to end in sequence, and the inlet of the supercharger outlet pipe is connected with the outlet of the supercharger. A muffler cavity 11 is arranged between the air outlet pipe of the supercharger and the intercooler pipe 12. The muffler chamber is cylindrical, and the diameter of the muffler chamber is greater than that of the air outlet pipe of the supercharger.

The entire air intake system is located under the cab, the air filter 1 is fixed on the side of the vehicle frame through the air filter bracket 3, the air intake grille pipe 2 is fixed on the air intake port of the air filter through a clamp, and the intermediate connecting pipe 5 is fixed on the air filter through its own bracket. The upper plane of the vehicle frame has the function of connecting and fixing the air filter outlet pipe and the air intake pipe 7 at the same time. During normal operation, the air enters the air filter 1, and due to the guiding effect of the filter element in the air filter 1, the air flow forms a swirling flow, and the impurities in the gas are thrown to the dust accumulation valve at the lower end of the air filter 1 due to the centrifugal effect, and the clean gas passes through the air The air outlet pipe of the filter and the intake pipe 7 enter the supercharger for supercharging, and part of the air is output through the air pipe and the breathing pipe. The supercharged air enters the muffler chamber through the outlet pipe of the supercharger for noise attenuation, and then enters the range extender through the throttle intake pipe 13 after being cooled by the intercooler pipe 12 .

Claims (6)

1. A range extender air intake system, characterized in that it includes an air filter (1), an air pipeline and an intercooler pipeline, and a supercharger is arranged between the air pipeline and the intercooler pipeline, and the The air pipeline includes an air filter outlet pipe (4), an intermediate connecting pipe (5) and an air intake pipe (7) connected end to end in sequence. The outlet of the air intake pipe (7) is connected to the air inlet of the supercharger. The intercooler pipeline includes supercharger outlet pipe (9), intercooler pipe (12) and throttle intake pipe (13) connected end to end in sequence, the inlet of the supercharger outlet pipe (9) is connected with the supercharger the air outlet connection. 2. A range extender air intake system according to claim 1, characterized in that a muffler cavity (11) is provided between the supercharger outlet pipe (9) and the intercooler pipe (12), The sound-absorbing chamber (11) is cylindrical, and the diameter of the sound-absorbing chamber (11) is larger than the diameter of the outlet pipe (9) of the supercharger. 3. A range extender air intake system according to claim 1 or 2, characterized in that, the air pipeline is Z-shaped, and the air filter outlet pipe (4) and the intermediate connecting pipe (5 ) is provided with a first bending part, and the connection between the intermediate connecting pipe (5) and the intake pipe (7) is provided with a second bending part, and the bend between the first bending part and the second bending part Fold in the opposite direction. 4. A range extender air intake system according to claim 1 or 2, characterized in that, the air intake pipe (7) is provided with a breathing pipe (10), and one end of the breathing pipe (10) It communicates with the intake pipe (7), and the other end of the breathing pipe (10) communicates with the respirator of the range extender. 5. A range extender air intake system according to claim 1 or 2, characterized in that, the air intake pipe (7) is provided with a compensation air pipe (6), and the compensation air pipe (6) One end of the compensation air pipe (6) communicates with the intake pipe (7), and the other end of the compensation air pipe (6) communicates with the cylinder of the range extender. 6. A range extender air intake system according to claim 1 or 2, characterized in that, the air filter (1) is provided with an intake grille tube (2), and the intake grille tube ( 2) It includes an air intake grille and an L-shaped tubular casing, and the air intake grilles are arranged at intervals in the tubular casing.