CN216846846U

CN216846846U - Comprehensive test device for quick joint of gas evaporation tube

Info

Publication number: CN216846846U
Application number: CN202123157680.2U
Authority: CN
Inventors: 张庆
Original assignee: Shanghai Hanhai Detection Technology Co ltd
Current assignee: Shanghai Hanhai Detection Technology Co ltd
Priority date: 2021-12-16
Filing date: 2021-12-16
Publication date: 2022-06-28
Anticipated expiration: 2031-12-16

Abstract

The utility model belongs to the technical field of the quick-operation joint of pipeline detects among the fuel oil system, especially, a gaseous evaporating pipe quick-operation joint combined test device, purchase and maintenance are with high costs to current combined test device, and area is big problem is put forward now, and the following scheme is proposed, and it includes the air supply, the outside of air supply is connected with air cleaner, and air cleaner's the outside is connected with the air-vent valve, and pressure sensor is connected with portable power source in the outside of air-vent valve, and pressure sensor's the outside is connected with the sample, and the air-vent valve is connected with PLC control module, and pressure sensor is connected with data collection station, and data collection station is connected with same notebook computer with PLC control module, the utility model discloses can replace large-scale gas pressure pulse equipment, and area is little, and the flexible operation for whole test procedure easy operation, the device is safe, reliable, high in testing efficiency, simple in structure and convenient to use, and objective and real data are guaranteed.

Description

Comprehensive test device for quick joint of gas evaporation tube

Technical Field

The utility model relates to a quick-operation joint of pipeline detects technical field among the fuel oil system, especially relates to a gas evaporation pipe quick-operation joint combined test device.

Background

The life cycle test of the quick joint of the gas evaporation pipe is to ensure that the quick joint can meet the functional requirements of a fuel system after being subjected to pressure, vibration, circulating temperature and other simulation real automobile working conditions of an automobile. In order to eliminate the risk of self-loosening of the threads and reduce the tightening stress, the pipeline in the fuel system basically adopts a quick-connection mode, the installation space can be reduced to the greatest extent by the aid of the connection mode, and the fuel system is more convenient to disassemble and assemble. The necessity and importance of the test on the quick joint of the vapor evaporation tube are more and more highlighted.

In the prior art, the equipment and the test method tend to be unified in the tests of the parts in domestic and foreign laboratories, but the tests all need two large-scale equipment: the gas pressure pulse equipment and the vibration environment test box have the advantages that the purchase and maintenance cost is increased, the occupied area is also increased, and therefore the gas evaporation tube quick connector comprehensive test device is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects of high purchase and maintenance cost and large occupied area of the existing comprehensive test device and providing a gas evaporation tube quick-acting joint comprehensive test device.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

gas evaporation pipe quick-operation joint combined test device, including the air supply, the outside of air supply is connected with air cleaner, and air cleaner's the outside is connected with the air-vent valve, and pressure sensor is connected in the outside of air-vent valve, is connected with portable power source on the pressure sensor, and pressure sensor's the outside is connected with the sample, and the air-vent valve is connected with PLC control module, and pressure sensor is connected with data collection station, and data collection station and PLC control module are connected with same notebook computer, and the sample is connected with vibration environmental test case.

Preferably, the sample is fixedly installed on a tool fixture, and the tool fixture is fixedly installed on a vibration table of the vibration environment test box.

Preferably, the other end of the pressure regulating valve is connected with a first port of a tee pipe joint for mounting the pressure sensor through a third pipe fitting and a third pipe joint.

Preferably, the pressure sensor is installed on a second port of the tee pipe joint, and a third port of the tee pipe joint is connected with the sample through a second pipe fitting and a second pipe joint.

Preferably, the outlet end of the air filter is connected with the port of the pressure regulating valve through a first pipe fitting and a first pipe joint.

Compared with the prior art, the utility model has the advantages of:

1. this scheme passes through air supply, air cleaner, air-vent valve, portable power source, pressure sensor, PLC control module, notebook computer and data collection station etc. and constitutes a gas pressure pulse system that can regulate and control, replaces large-scale gas pressure pulse equipment, and area is little, the flexible operation.

2. According to the scheme, the test pressure can be set on the notebook computer, the cabin temperature and the vibration frequency are set on the vibration environment test box according to the test requirements, the test is started after the setting is finished, and the test data is exported and arranged after the test is finished.

The utility model discloses can replace large-scale gas pressure pulse equipment, and area is little, the flexible operation for whole test procedure easy operation, safe and reliable, efficiency of software testing are high, ensure that data is objective true, simple structure, convenient to use.

Drawings

Fig. 1 is a schematic structural diagram of the gas evaporation tube quick-operation joint comprehensive test device provided by the utility model.

In the figure: 1. a gas source; 2. an air filter; 3. a pressure regulating valve; 4. a mobile power supply; 5. a pressure sensor; 6. a vibration environment test chamber; 7. a PLC control module; 8. a notebook computer; 9. a data acquisition unit; 10. and (3) sampling.

Detailed Description

The technical solutions in the embodiments will be described clearly and completely with reference to the drawings in the embodiments, and it is obvious that the described embodiments are only a part of the embodiments, but not all embodiments.

Example one

Referring to fig. 1, the comprehensive test device for the quick connector of the gas evaporation tube comprises a gas source 1, an air filter 2 is connected to the outer side of the gas source 1, a pressure regulating valve 3 is connected to the outer side of the air filter 2, a pressure sensor 5 is connected to the outer side of the pressure regulating valve 3, a mobile power supply 4 is connected to the pressure sensor 5, a sample 10 is connected to the outer side of the pressure sensor 5, the pressure regulating valve 3 is connected to a PLC control module 7, the PLC control module 7 controls the pressure regulating valve 3 to regulate the pulse pressure of the system, so that the pressure borne by the sample 10 is consistent with the pressure required by the test, the pressure sensor 5 is connected to a data collector 9, the data collector 9 and the PLC control module 7 are connected to a same notebook computer 8, the notebook computer 8 programs the PLC control module 7 to set test parameters, the data collector 9 collects and feeds back the monitoring data of the pressure sensor 5 to the notebook computer 8, the pressure curve is displayed on a laptop computer 8, and the sample 10 is connected with a vibration environment test chamber 6.

In this embodiment, the sample 10 is fixedly mounted on the tooling fixture, the tooling fixture is fixedly mounted on the vibration table of the vibration environment test box 6, and the vibration environment test box 6 can provide the vibration frequency and the temperature required by the test for the sample 10.

In this embodiment, the other end of the pressure regulating valve 3 is connected to the first port of the tee pipe joint, to which the pressure sensor 5 is attached, through a third pipe fitting and a third pipe joint, and the pressure regulating valve 3 is used to regulate the test pressure of the test sample 10.

In this embodiment, the pressure sensor 5 is installed on the second port of the tee joint, the third port of the tee joint is connected with the sample 10 through the second pipe fitting and the second pipe fitting, and the pressure sensor 5 is used for monitoring the test pressure of the sample 10.

In this embodiment, the outlet end of the air filter 2 is connected to the port of the pressure regulating valve 3 through the first pipe fitting and the first pipe joint, and the air filter 2 is used for removing oil gas, moisture and other impurities in the compressed air, so as to ensure that the compressed air is dry and clean.

The technical conditions are as follows:

1. vibration test equipment: the frequency is continuously adjusted from 7Hz to 200Hz for 3 times per hour. The accelerations are as follows:

2. gas pressure: for the quick connect in the vapor/volatile system, the pressure was adjusted to vary between 0 and 69kPa ± 2kPa, one pressure per minute (i.e., 1 minute hold at each pressure value) during the pressure test portion of the test.

3. The overall pressure, temperature, vibration cycle is given in the following table:

the theory of operation at first assembles quick-operation joint and supporting pipe fitting and fixes on test fixture according to the mode of real car installation, fixes test fixture on the shaking table in vibration environment test box 6, connects the pipeline, and the inspection is sealed intact back, opens the equipment power, sets for test pressure on notebook computer 8: the pressure is changed between 0 and 69kPa +/-2 kPa, the pressure is changed once per minute (namely, each pressure value is kept for 1 minute), the cabin temperature (-40 ℃ to 125 ℃ alternating cycle) and the vibration frequency (from 7Hz to 200Hz, frequency modulation is carried out 3 times per hour) are set on the vibration environment test box 6 according to the test requirements, the test is started after the setting is finished, and the test data is derived and finished after the test is finished.

The above descriptions are only preferred embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered as the technical scope of the present invention, and the technical solutions and the utility model concepts of the present invention are equivalent to or changed within the scope of the present invention.

Claims

1. Gas evaporation pipe quick-operation joint combined test device, including air supply (1), a serial communication port, the outside of air supply (1) is connected with air cleaner (2), the outside of air cleaner (2) is connected with air-vent valve (3), pressure sensor (5) are connected in the outside of air-vent valve (3), be connected with portable power source (4) on pressure sensor (5), the outside of pressure sensor (5) is connected with sample (10), air-vent valve (3) are connected with PLC control module (7), pressure sensor (5) are connected with data collection station (9), data collection station (9) are connected with same notebook computer (8) with PLC control module (7), sample (10) are connected with vibration environmental test case (6).

2. The gas evaporation tube quick connector comprehensive test device as claimed in claim 1, wherein the outlet end of the air filter (2) is connected with the port of the pressure regulating valve (3) through a first pipe fitting and a first pipe joint.

3. The gas evaporation tube quick coupling integrated test device according to claim 1, wherein the pressure sensor (5) is installed on a second port of a tee joint, and a third port of the tee joint is connected with the sample (10) through a second pipe fitting and a second pipe fitting.

4. The gas evaporation tube quick-coupling comprehensive test device according to claim 1, wherein the sample (10) is fixedly mounted on a tooling fixture, and the tooling fixture is fixedly mounted on a vibration table of the vibration environment test chamber (6).

5. The gas evaporation tube quick coupling comprehensive test device as claimed in claim 1, wherein the other end of the pressure regulating valve (3) is connected with a first port of a tee pipe coupling provided with the pressure sensor (5) through a third pipe fitting and a third pipe coupling.