CN219348180U

CN219348180U - Engine gas circuit pressure distribution simulation platform

Info

Publication number: CN219348180U
Application number: CN202220461760.2U
Authority: CN
Inventors: 吴圣银; 陈晓辉; 林康宁
Original assignee: Shye Chan Fujian Mechanical Industrial Co ltd
Current assignee: Shye Chan Fujian Mechanical Industrial Co ltd
Priority date: 2022-03-04
Filing date: 2022-03-04
Publication date: 2023-07-14
Anticipated expiration: 2032-03-04

Abstract

The utility model discloses an engine gas path pressure distribution simulation platform in the technical field of engine gas path detection, which comprises a gas supply source and an exhaust pipe to be detected, wherein the gas supply source gas delivery end is detachably connected with the gas inlet end of the exhaust pipe to be detected, the exhaust pipe to be detected is provided with a plurality of through grooves along the gas delivery direction, and each group of through grooves is detachably provided with a pressure detection device.

Description

Engine gas circuit pressure distribution simulation platform

Technical Field

The utility model relates to the technical field of engine gas circuit detection, in particular to an engine gas circuit pressure distribution simulation platform.

Background

With the rapid development of the automobile industry in China and the continuous improvement of the living standard of people, the demand of automobiles is increased, and important components of automobiles are formed during the process of engine.

The exhaust pressure is an important factor influencing the performance index of the engine, in the vehicle dynamic performance test, strict requirements are imposed on the detection and control of the exhaust pressure, the exhaust back pressure has a great influence on the performance of the engine, the exhaust pressure must be accurately controlled and detected, the accuracy of the dynamic performance and the emission performance of the engine is ensured, and the exhaust pipe structures of the automobile engines with different models are different; the back pressure of engine exhaust gas when it is discharged from exhaust pipes of different structures is different, so it is necessary to test the pressure distribution condition of each position in the exhaust pipe.

Based on the above, the utility model designs an engine gas path pressure distribution simulation platform to solve the above problems.

Disclosure of Invention

The utility model aims to provide an engine gas path pressure distribution simulation platform, which is used for solving the problem that the pressure distribution condition of each position in different exhaust pipes needs to be tested in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an engine gas circuit pressure distribution simulation platform, includes air supply source and blast pipe that awaits measuring, air supply source gas transmission end and blast pipe that awaits measuring inlet end detachable connection, the blast pipe that awaits measuring has seted up a plurality of logical grooves along its gas conveying direction extension, every group logical inslot detachable mounting has pressure detection device.

Preferably, the gas transmission end of the gas supply source is connected with the exhaust pipe to be tested through a gas transmission pipe, and one end of the gas transmission pipe is detachably connected with the gas inlet end of the exhaust pipe to be tested through a pipeline connector.

Preferably, the gas pipe is provided with a flowmeter.

Preferably, the pressure detection device comprises a mounting plate and a pressure sensor arranged on the mounting plate, a sealing ring is arranged on the edge of one side of the mounting plate, which is close to the detection end of the pressure sensor, straps and automatic buckle belt heads are respectively arranged on two opposite sides of the mounting plate, one side plane of each strap is in a saw-tooth shape, and the straps are detachably clamped and matched with the automatic buckle belt heads.

Preferably, the mounting plate comprises a plurality of groups of small plates which are connected end to end in sequence, the pressure sensor is arranged on one group of small plates, the belt strips and the automatic buckle belt heads are respectively arranged on the two groups of small plates end to end, and the outer walls of the small plates are provided with sealing sleeves which are connected into a whole.

Preferably, the pressure sensor is electrically connected to the pressure display device.

Compared with the prior art, the utility model has the beneficial effects that: the utility model simulates the exhaust of an engine by an air supply source, and then installs a pressure detection device at each position in the exhaust pipe to be detected, wherein the pressure detection device detects the pressure condition of each position of the exhaust pipe.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic diagram of the exhaust pipe to be tested according to the present utility model;

FIG. 3 is a schematic view of a first direction structure of the pressure detecting device of the present utility model;

FIG. 4 is a schematic view of a second direction structure of the pressure detecting device of the present utility model;

FIG. 5 is a schematic view of the mounting plate of the present utility model.

1. A gas supply source; 2. a gas pipe; 3. a pipe connector; 4. a flow meter; 5. an exhaust pipe to be tested; 51. a through groove; 6. a pressure detection device; 61. a mounting plate; 611. a small plate; 62. a seal ring; 63. a pressure sensor; 64. a strap; 65. and automatically buckling the belt head.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The utility model provides an engine gas circuit pressure distribution simulation platform, includes air feed source 1 and blast pipe 5 that awaits measuring, and air feed source 1 gas transmission end and blast pipe 5 that await measuring air inlet end can dismantle the connection, and blast pipe 5 that await measuring has seted up a plurality of logical grooves 51 along its gas conveying direction extension, and demountable installation has pressure detection device 6 in each group logical groove 51.

Further, the gas transmission end of the gas transmission source 1 is connected with the exhaust pipe 5 to be tested through the gas transmission pipe 2, and one end of the gas transmission pipe 2 is detachably connected with the gas inlet end of the exhaust pipe 5 to be tested through the pipeline connector 3.

Further, the gas pipe 2 is provided with a flowmeter 4, and the gas flow in the gas pipe 2 can be visually observed through the flowmeter 4.

Further, the pressure detecting device 6 comprises a mounting plate 61 and a pressure sensor 63 mounted on the mounting plate 61, a sealing ring 62 is arranged on the edge of one side of the mounting plate 61, which is close to the detecting end of the pressure sensor 63, a belt strip 64 and an automatic belt buckling head 65 are respectively arranged on two opposite sides of the mounting plate 61, one side plane of the belt strip 64 is in a saw-tooth shape, and the belt strip 64 is detachably clamped and matched with the automatic belt buckling head 65.

Further, the mounting plate 61 comprises a plurality of groups of small plates 611 connected end to end in sequence, the pressure sensor 63 is mounted on one group of small plates 611, the belt strip 64 and the automatic belt buckling head 65 are respectively mounted on the two groups of small plates 611 end to end, and sealing sleeves connected into a whole are arranged on the outer walls of the groups of small plates 611.

Further, the pressure sensor 63 is electrically connected to a pressure display device.

One embodiment of the utility model:

the air supply source 1 adopts an air blower, the air blower controls the rotating speed through an electrically connected frequency converter, so as to control the air supply amount, and the pressure display device can adopt a digital display tube.

One end of the gas pipe 2 is fixed at the gas transmission end of the gas transmission source 1, the exhaust pipe 5 to be tested is different according to the required structure, the other end of the gas pipe 2 is connected with the exhaust pipe 5 to be tested into a whole through the pipeline connector 3, and the pipeline connector 3 can be detached from the gas pipe 2 and the exhaust pipe 5 to be tested to realize the separation of the gas pipe 2 and the exhaust pipe 5 to be tested, thereby facilitating the replacement of the exhaust pipe 5 to be tested.

The method comprises the steps that a through groove 51 is formed in a position, needing to test the air pressure condition, of the exhaust pipe 5 to be tested according to requirements, a detection end of a pressure sensor 63 penetrates through the through groove 51 and is inserted into the exhaust pipe 5 to be tested, one side of a mounting plate 61 is abutted against the outer side wall of the exhaust pipe 5 to be tested, the corresponding through groove 51 is blocked and closed by the cooperation of the mounting plate 61 and a sealing ring 62 to realize sealing, and air flow in the exhaust pipe 5 to be tested is prevented from overflowing from the through groove 51;

then the strip 64 surrounds the exhaust pipe 5 to be tested and is clamped with the automatic buckle belt head 65 through saw teeth, so that the mounting plate 61 is relatively fixed on the outer side wall of the exhaust pipe 5 to be tested; and the belt strips 64 can be separated from the automatic buckle belt heads 65 to realize that the mounting plate 61 is separated from the exhaust pipe 5 to be tested.

The structure of the snap-fit engagement of the strap 64 and the automatic buckle head 65 is similar to the automatic buckle principle.

The air supply source 1 transmits air to the exhaust pipe 5 to be tested through the air transmission pipe 2 and is discharged through the other end of the exhaust pipe 5 to be tested, and the exhaust of the exhaust pipe 5 to be tested is simulated by the engine, at the moment, the pressure sensors 63 arranged at different positions in the exhaust pipe 5 to be tested can monitor the pressure conditions of corresponding positions;

the pressure sensors 63 are electrically connected with the pressure display device 5, and the pressure sensors 63 transmit corresponding pressure to the pressure display device 5 to display numerical values in real time so as to facilitate observation.

The mounting plate 61 comprises a plurality of groups of small plates 611 which are arranged in a straight line, the pressure sensor 63 is mounted on one group of small plates 611, every two adjacent small plates 611 are hinged, so that the shape of the plurality of groups of small plates 611 which are connected end to end in sequence can be changed, and the exhaust pipe 5 to be tested with different shapes can be adapted. The exhaust pipe 5 to be measured is generally circular in shape. Meanwhile, the small plates 611 are oppositely arranged in a sealing sleeve which is sealed relatively, the sealing sleeve can prevent air leakage caused by rotation between every two adjacent small plates 611, and the sealing ring 62 is oppositely arranged at one side of the sealing sleeve.

In the utility model, the electrical equipment is connected with an external power supply through an external control switch.

In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the utility model disclosed above are intended only to assist in the explanation of the utility model. The preferred embodiments are not exhaustive or to limit the utility model to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best understand and utilize the utility model. The utility model is limited only by the claims and the full scope and equivalents thereof.

Claims

1. The utility model provides an engine gas circuit pressure distribution simulation platform, includes air supply (1) and blast pipe (5) that awaits measuring, its characterized in that: the air supply source (1) is detachably connected with the air supply end of the exhaust pipe (5) to be detected, the exhaust pipe (5) to be detected is provided with a plurality of through grooves (51) along the extension of the air conveying direction, and each group of the through grooves (51) is internally provided with a pressure detection device (6) in a detachable mode.

2. The engine gas circuit pressure distribution simulation platform according to claim 1, wherein: the air supply source (1) is connected with the exhaust pipe (5) to be tested through the air supply pipe (2), and one end of the air supply pipe (2) is detachably connected with the air inlet end of the exhaust pipe (5) to be tested through the pipeline connector (3).

3. The engine gas circuit pressure distribution simulation platform according to claim 2, wherein: and the gas pipe (2) is provided with a flowmeter (4).

4. The engine gas circuit pressure distribution simulation platform according to claim 1, wherein: the pressure detection device (6) comprises a mounting plate (61) and a pressure sensor (63) mounted on the mounting plate (61), a sealing ring (62) is arranged on one side edge of the mounting plate (61) close to the detection end of the pressure sensor (63), a belt strip (64) and an automatic belt buckling head (65) are respectively arranged on two opposite sides of the mounting plate (61), one side plane of the belt strip (64) is in a saw-tooth shape, and the belt strip (64) is detachably clamped with the automatic belt buckling head (65).

5. The engine gas circuit pressure distribution simulation platform according to claim 4, wherein: the mounting plate (61) comprises a plurality of groups of small plates (611) which are connected end to end in sequence, the pressure sensor (63) is arranged on one group of small plates (611), the belt strips (64) and the automatic belt buckling heads (65) are respectively arranged on the two groups of small plates (611) end to end, and the outer walls of the small plates (611) are provided with sealing sleeves which are connected into a whole.

6. The engine gas circuit pressure distribution simulation platform according to claim 4, wherein: the pressure sensor (63) is electrically connected with the pressure display device.