CN111982500A - Data detection and analysis system of power steering gear safety unloading valve - Google Patents
Data detection and analysis system of power steering gear safety unloading valve Download PDFInfo
- Publication number
- CN111982500A CN111982500A CN202010891472.6A CN202010891472A CN111982500A CN 111982500 A CN111982500 A CN 111982500A CN 202010891472 A CN202010891472 A CN 202010891472A CN 111982500 A CN111982500 A CN 111982500A
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- acquisition card
- personal computer
- industrial personal
- data
- unloading valve
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- 238000001514 detection method Methods 0.000 title claims abstract description 11
- 238000012360 testing method Methods 0.000 claims abstract description 17
- 238000000034 method Methods 0.000 claims abstract description 8
- 230000003750 conditioning effect Effects 0.000 claims abstract description 7
- 239000010720 hydraulic oil Substances 0.000 claims abstract description 4
- 239000003921 oil Substances 0.000 claims abstract description 4
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
- G01M13/003—Machine valves
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M17/00—Testing of vehicles
- G01M17/007—Wheeled or endless-tracked vehicles
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The invention provides a data detection and analysis system of a safety unloading valve of a power steering gear, which comprises an industrial personal computer, a switching value acquisition card and an analog acquisition card, wherein a hydraulic oil temperature oil sensor, a pressure sensor and a flow sensor are connected into the analog acquisition card through an analog signal conditioning module; and a virtual instrument is installed in the industrial personal computer, the virtual instrument is used for giving result judgment according to the standard process parameters, the acquired data and the judgment result are stored, and the real-time parameters, the test data and the judgment result are displayed on a human-computer interface of the industrial personal computer in real time. According to the invention, the virtual instrument is implanted in the industrial personal computer, so that the data detection result of the safety unloading valve is directly obtained on the industrial personal computer and is visually displayed, the accuracy and the repeatability of the test data are ensured, the test efficiency is high, and the labor is saved.
Description
Technical Field
The invention belongs to the field of performance testing of a power steering gear safety unloading valve, and particularly relates to a data detection system of a power steering gear safety unloading valve test bed.
Background
The safety unloading valve is used as a safety part of an automobile hydraulic power steering gear, the importance is self-evident, the conventional process is to uniformly test the product performance after the safety unloading valve assembly is assembled, if the experimental result is abnormal, the assembly needs to be disassembled to replace bad parts, and then the assembly and the experiment are carried out again, so that the production cost of enterprises is wasted, and the labor intensity of workers is increased.
Therefore, the conventional safety unloading valve test bed completely simulates the working condition of a safety unloading valve in an automobile by a vertical simulation, and comprises a hydraulic system, an electric control system and a data acquisition system, wherein the hydraulic system simulates the actual working condition of the safety valve in an automobile steering gear and provides various pressures and flows under process specified parameters (constant temperature in a certain range); the electric control system provides various work of system work, controls the power supply and the logic control of relevant switching value to drive the power component to work and the steady-state temperature range of the process requirement; the data acquisition system comprises real-time data acquisition and non-real-time data acquisition and display.
The existing data acquisition system only displays data, and a judgment result can be obtained only by comparing the displayed data with the design parameter requirements of the safety unloading valve manually; the judgment result can not be intuitively obtained, the time and the labor are wasted, and the phenomenon of manual misjudgment exists.
Disclosure of Invention
The invention provides a data detection and analysis system of a safety unloading valve of a power steering gear, which aims to directly obtain a data detection result of the safety unloading valve on a safety unloading valve test bed and ensure the accuracy and the repeatability of test data.
In order to achieve the purpose, the invention adopts the following technical scheme: the data detection and analysis system of the safe unloading valve of the power steering gear comprises an industrial personal computer, a switching value acquisition card and an analog acquisition card, wherein the switching value acquisition card and the analog acquisition card are installed in a slot of the computer, and the switching value acquisition card is used for switching value input and output and is characterized in that: the hydraulic oil temperature oil sensor, the pressure sensor and the flow sensor are connected to an analog quantity acquisition card through an analog quantity signal conditioning module; the industrial personal computer is internally provided with a virtual instrument (Labview program), the virtual instrument is used for giving result judgment according to standard process parameters, the acquired data and the judgment result are stored, and the real-time parameters, the test data and the judgment result are displayed on a human-computer interface of the industrial personal computer in real time.
The invention has the beneficial effects that: the data monitoring system of the safety unloading valve test bed is improved, and the data detection result of the safety unloading valve is directly obtained and visually displayed on the industrial personal computer by implanting a virtual instrument (Labview program) into the industrial personal computer; the analog quantity signal conditioning module is used for conditioning the signal, filtering interference and improving the accuracy of test data. By adopting the invention, the performance of the parts of the pressure limiting valve can be tested before the assembly, the generation of unqualified products of assembly is reduced, and the accuracy and the repeatability of test data are ensured; meanwhile, the testing efficiency is high, the labor is saved, and the misjudgment is avoided.
Drawings
Fig. 1 is a block diagram of the structure of the present invention.
Detailed Description
The invention will be further described with reference to the illustration in fig. 1: the data detection and analysis system of the safe unloading valve of the power steering gear comprises an industrial personal computer, a switching value acquisition card, an analog acquisition card, a servo switching value acquisition card and an analog acquisition card, wherein the switching value acquisition card is arranged in a slot of the computer and is used for switching value input and output; the hydraulic oil temperature oil sensor, the pressure sensor and the flow sensor are connected to an analog quantity acquisition card through an analog quantity signal conditioning module; the industrial personal computer is provided with a virtual instrument (Labview program), the virtual instrument is used for giving result judgment according to standard process parameters, the acquired result data and the judgment result are stored and displayed on a human-computer interface of the industrial personal computer in real time, the result judgment is given according to the standard process parameters, the acquired data and the judgment result are stored, and the real-time parameters, the test data and the judgment result are displayed on the human-computer interface of the industrial personal computer in real time.
In the invention, the high-speed data acquisition card adopts PCI-6221 of American NI company, and the switching value acquisition card adopts porphyrized PCI 7150; the performance is stable and easy to obtain. And the analog quantity signal conditioning module is adopted to condition the signal, so that interference is filtered, and the test accuracy is improved.
Claims (2)
1. The data detection and analysis system of the safe unloading valve of the power steering gear comprises an industrial personal computer, a switching value acquisition card and an analog acquisition card, wherein the switching value acquisition card and the analog acquisition card are installed in a slot of the industrial personal computer, and the switching value acquisition card is used for switching value input and output and is characterized in that: the hydraulic oil temperature oil sensor, the pressure sensor and the flow sensor are connected to an analog quantity acquisition card through an analog quantity signal conditioning module; and a virtual instrument is installed in the industrial personal computer, the virtual instrument is used for giving result judgment according to the standard process parameters, the acquired data and the judgment result are stored, and the real-time parameters, the test data and the judgment result are displayed on a human-computer interface of the industrial personal computer in real time.
2. The system for detecting and analyzing data of a safety unloading valve of a power steering gear according to claim 1, characterized in that: the high-speed data acquisition card adopts PCI-6221 of American NI company, and the switching value acquisition card adopts Mohua PCI 7150.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010891472.6A CN111982500A (en) | 2020-08-30 | 2020-08-30 | Data detection and analysis system of power steering gear safety unloading valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010891472.6A CN111982500A (en) | 2020-08-30 | 2020-08-30 | Data detection and analysis system of power steering gear safety unloading valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111982500A true CN111982500A (en) | 2020-11-24 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010891472.6A Withdrawn CN111982500A (en) | 2020-08-30 | 2020-08-30 | Data detection and analysis system of power steering gear safety unloading valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111982500A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101393240A (en) * | 2008-11-03 | 2009-03-25 | 天津理工大学 | Electric network harmonic on-line supervisory circuit based on virtual instrument and working method thereof |
| CN102183951A (en) * | 2011-03-25 | 2011-09-14 | 同济大学 | Device for monitoring state of rotary bearing and diagnosing fault based on laboratory virtual instrument engineering workbench (Lab VIEW) |
| CN105387886A (en) * | 2015-11-27 | 2016-03-09 | 苏州工业园区思达德阀门有限公司 | Ball valve dynamic characteristic parameter test system and test method |
| CN110940510A (en) * | 2019-11-28 | 2020-03-31 | 浙江亚太机电股份有限公司 | Method for testing opening of high-speed switch valve of automobile braking system |
-
2020
- 2020-08-30 CN CN202010891472.6A patent/CN111982500A/en not_active Withdrawn
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101393240A (en) * | 2008-11-03 | 2009-03-25 | 天津理工大学 | Electric network harmonic on-line supervisory circuit based on virtual instrument and working method thereof |
| CN102183951A (en) * | 2011-03-25 | 2011-09-14 | 同济大学 | Device for monitoring state of rotary bearing and diagnosing fault based on laboratory virtual instrument engineering workbench (Lab VIEW) |
| CN105387886A (en) * | 2015-11-27 | 2016-03-09 | 苏州工业园区思达德阀门有限公司 | Ball valve dynamic characteristic parameter test system and test method |
| CN110940510A (en) * | 2019-11-28 | 2020-03-31 | 浙江亚太机电股份有限公司 | Method for testing opening of high-speed switch valve of automobile braking system |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20201124 |