CN107202625A - Mass air flow sensor test system - Google Patents
Mass air flow sensor test system Download PDFInfo
- Publication number
- CN107202625A CN107202625A CN201710509207.5A CN201710509207A CN107202625A CN 107202625 A CN107202625 A CN 107202625A CN 201710509207 A CN201710509207 A CN 201710509207A CN 107202625 A CN107202625 A CN 107202625A
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- air flow
- flow sensor
- mass air
- floating pipe
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F25/00—Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume
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- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Aerodynamic Tests, Hydrodynamic Tests, Wind Tunnels, And Water Tanks (AREA)
- Measuring Volume Flow (AREA)
Abstract
The invention discloses mass air flow sensor test system, including blower fan, test pipeline and control cabinet, normal air flowmeter and mass air flow sensor activity to be measured are clamped in the test pipeline, the test pipeline includes conduit entrance section and pipe outlet section, pneumatics device is provided between the blower fan and conduit entrance section, vacuum is provided with after the pipe outlet section, the first wind speed detector and the second wind speed detector are respectively equipped with the conduit entrance section and pipe outlet section, the control cabinet gathers the normal air flowmeter and air flow meter signal to be measured and exported to display, first wind speed detector and the second wind speed detector connect output wind speed signal to the control cabinet.This mass air flow sensor test system of the present invention, simple in construction, stability is good, and accuracy is high, operates easy to adjust quick, the detection of applicable a variety of mass air flow sensor, highly versatile, with preferable application prospect.
Description
Technical field
The invention belongs to detection means technical field, more specifically to mass air flow sensor test system.
Background technology
Air flow meter is a critical component in car engine electronic control system, and its effect is for surveying
Measure the air-mass flow of engine.In the prior art, there is detection error greatly in the test device that mass air flow sensor is detected,
Wind speed stability is poor, poor universality, the defect such as inconvenient for use, needs further Optimal improvements.
The content of the invention
The problem of existing present invention aim to address prior art is led to there is provided a kind of simple in construction, test validity height
Mass air flow sensor test system good with property, easy to use.
To achieve these goals, the technical scheme taken of the present invention is：This mass air flow sensor test system provided
System, including blower fan, test pipeline and control cabinet, normal air flowmeter and mass air flow sensor activity to be measured are clamped in the test
In pipeline, the test pipeline includes conduit entrance section and pipe outlet section, is set between the blower fan and conduit entrance section
Be to be provided with after free depressor, the pipe outlet section in vacuum, the conduit entrance section and pipe outlet section and be respectively equipped with
First wind speed detector and the second wind speed detector, the control cabinet gather the normal air flowmeter and air mass flow to be measured
Count signal simultaneously to export to display, first wind speed detector and the second wind speed detector connect output wind speed signal to described
Control cabinet.
To make above-mentioned technical proposal more detailed and specific, the present invention also provides optimization technique side further below
Case, to obtain satisfied practical function:
The source of the gas of the pneumatics device and the external controllable adjustable pressure of vacuum.
The blower fan is connected with the frequency converter for controlling its rotating speed.
The test pipeline also includes respectively with conduit entrance section and pipe outlet section coordinating with fixation located at middle part
Normal air flowmeter and the clamping duct section of mass air flow sensor to be measured are clamped, the clamping duct section includes the first floating pipe
Section and the second floating pipe section, provided with the two court respectively can be driven between first floating pipe section and the second floating pipe section
To conduit entrance section and the mobile drive mechanism of pipe outlet section.
The drive mechanism includes butting up against the telescoping tube between the first floating pipe section and the second floating pipe section
Road section and it is connected between first floating pipe section and the second floating pipe section and controls the first floating pipe section and second to live
The regulation cylinder of dynamic duct section movement.
The regulation cylinder is the two-way push cylinder provided with two separate chambers and two piston rods, described two pistons
The external part of bar connects the first floating pipe section and the second floating pipe section respectively.
One end edge of the first floating pipe section and the second floating pipe section connection drive mechanism is equipped with convex
The annular flange mounting surface gone out, the telescopic pipes section is removably attachable to the first floating pipe section by connecting bolt
On the flange mounting surface of the second floating pipe section.
The telescopic pipes section outer periphery is provided with least two regulation cylinders being spaced apart
The present invention compared with prior art, with advantages below：This mass air flow sensor test system of the present invention, structure letter
Single, stability is good, and accuracy is high, operates easy to adjust quick, the detection of applicable a variety of mass air flow sensor, highly versatile, tool
There is preferable application prospect.
Brief description of the drawings
The mark in the content and figure expressed by the accompanying drawing of this specification is briefly described below：
Fig. 1 is test system structure schematic diagram of the present invention；
Fig. 2 is test system structure schematic diagram of the present invention.
Marked in figure：1st, conduit entrance section, 2, normal air flowmeter, the 3, first floating pipe section, 4, support base, 5,
Telescopic pipes section, 6, regulation cylinder, the 7, second floating pipe section, 8, mass air flow sensor to be measured, 9, pipe outlet section, 10, blower fan,
11st, pneumatics device, 12, vacuum, the 13, first wind speed detector, the 14, second wind speed detector.
Embodiment
Below against accompanying drawing, by the description to embodiment, the embodiment to the present invention makees further details of
Explanation.
This mass air flow sensor test system of the present invention, as shown in figure 1, including blower fan 10, test pipeline and control cabinet, mark
Quasi- mass air flow sensor 2 and mass air flow sensor to be measured 8 activity is clamped in test pipeline.Testing pipeline includes conduit entrance 1 He of section
Pipe outlet section 9, vacuum 12, pipe are provided with after pneumatics device 11, pipe outlet section 9 are provided between blower fan 10 and conduit entrance section 1
The first wind speed detector 13 and the second wind speed detector 14 are respectively equipped with road inducer 1 and pipe outlet section 9.Control cabinet is gathered
Normal air flowmeter 2 and the signal of mass air flow sensor to be measured 8 are simultaneously exported to display progress display comparison, the first wind speed detector
13 and second wind speed detector 14 connect output wind speed signal to control cabinet.
The mass air flow sensor test system sets pneumatics device before test pipeline, blows to increase by pneumatics device compressed air
Big wind speed, it is ensured that wind speed uniformity before and after test pipeline.Vacuum 12 is provided with after pipe outlet section 9, during test, the inspection of the first wind speed
Survey instrument 13 and the second wind speed detector 14 such as detect conduit entrance section 1 and pipe outlet section 9 wind speed it is different when, can pass through and control
Control is adjusted to back segment wind speed in the vacuum 12 that system starts after pipe outlet section so that wind speed to the greatest extent may be used in test pipeline
It can be consistent, to lift the accurate and effective of test.
In the present invention, the source of the gas of pneumatics device 11 and the external controllable adjustable pressure of vacuum 12, to control to adjust pneumatics device
11 and the pressure of vacuum 12, and then preferably control the wind speed in regulation and control pipeline.
Mass air flow sensor test system of the present invention, as shown in Fig. 2 test pipeline includes the conduit entrance section 1 located at two ends
With pipe outlet section 9, and located at middle part respectively with conduit entrance section 1 and pipe outlet section 9 coordinate with fixed clamp normal air
The clamping duct section of flowmeter 2 and mass air flow sensor to be measured 8.In the present invention, clamping duct section includes the first floating pipe 3 Hes of section
Second floating pipe section 7, being provided between the first floating pipe section 3 and the second floating pipe section 7 can drive the two to be respectively facing pipe
Road inducer 1 and the drive mechanism of the movement of pipe outlet section 2.It is adjustable i.e. between conduit entrance section 1 and the first floating pipe section 3
Section grips normal air flowmeter 2, the second floating pipe section 7 and the adjustable holding sky to be measured between pipe outlet section 2
Air-flow gauge 8, it is easy to use fast to cause the mass air flow sensor test device to meet the test request of a variety of mass air flow sensor
Victory, is easy to manipulation, and applicability is good.
In the present invention, drive mechanism includes butting up against stretching between the first floating pipe section 3 and the second floating pipe section 7
Duct section 5 and be connected to the first floating pipe section 3 and second floating pipe section 7 between control the first floating pipe section 3 and second
The regulation cylinder 6 of the movement of floating pipe section 7.Drive mechanism can control the first floating pipe section 3 and the second floating pipe section 7 is distinguished
Move and adjust to both sides, normal air flowmeter 2 and mass air flow sensor to be measured 8 are clamped with correspondence.
Regulation cylinder 6 is the two-way push cylinder provided with two separate chambers and two piston rods, and two piston rods are stretched
Go out end and connect the first floating pipe section 3 and the second floating pipe section 7 respectively.Can be according to the size of the mass air flow sensor of actual clamping
The specifications control regulation regulation movement of cylinder 6, it is simple in construction to meet clamping demand, control convenient to use.
In the present invention, as shown in Figure 2, the first floating pipe section 3 and the second floating pipe section 7 connect the one of drive mechanism
End edge is removably attachable to the first activity along the annular flange mounting surface for being equipped with protrusion, telescopic pipes section by connecting bolt
On the flange mounting surface of the floating pipe of duct section 3 and second section 7, in order to the maintenance cleaning and replacing of telescopic pipes section 5.
In the present invention, telescopic pipes 5 outer peripheries of section are provided with least two regulation cylinders 6 being spaced apart, steady to ensure
Fixed support regulation, also can set guide rod between the first floating pipe section 3 and the second floating pipe section 7 if necessary, be oriented to
Bar arranged for interval is between regulation cylinder 6, to ensure accurately to connect between pipeline and pipeline.
In the present invention, conduit entrance section 1 and pipe outlet section 9 and first floating pipe section 3 and second floating pipe section 7 with
One end margin of mass air flow sensor docking is equipped with the annular flange mounting surface of protrusion, and flange mounting surface is provided with blanket gas
Pad, sealed air cushion may be configured as with one fixed width, is tightly connected with the mass air flow sensor for adapting to different caliber sizes.
In the present invention, it is equipped with and is supported on testboard in the first floating pipe section 3 and the second floating pipe section 7
Support base 4, can pass through the regulation of support base 4 the first floating pipe of control section 3 and the second floating pipe section 7 and two ends conduit entrance section
1 and pipe outlet section 9 coaxial central degree, it is ensured that the accuracy of the mass air flow sensor test device.And first floating pipe section 3
It can move back and forth with the second floating pipe section 7 along support base 4, its certain guiding control action is adjusted to it.
Mass air flow sensor test system of the present invention by adjusting cylinder 6 in use, control the first floating pipe section 3 and second
Normal air flowmeter 2 and mass air flow sensor to be measured 8 are clamped in corresponding position by the movement of floating pipe section 7, it is ensured that accurate steady
Fixed volume connection；Start blower fan, wind enters test pipeline, the first wind speed detector 13 and the second wind speed detector through pneumatics device 11
14 detect the wind velocity signal of test pipeline inducer and outlet section respectively, by signal output to controller, controller identification wind speed
Signal, such as wind velocity signal are identical, then start output voltage, the work of collection normal air flowmeter 2 and mass air flow sensor to be measured 8
The data such as electric current are acquired and export to display display, are analyzed to judge properties of product quality；As exported
The wind speed of section is smaller, then can aid in increasing the wind of back segment by controlling to start the vacuum 12 located at pipe outlet section rear
Speed, after wind speed in entirely test pipeline is stable, starts the output of collection normal air flowmeter 2 and mass air flow sensor to be measured 8
The data such as voltage, operating current are acquired and export to display display, are analyzed to judge good product performance
It is bad.
In the present invention, blower fan 10 is connected with the frequency converter for controlling its rotating speed, with the air mass flow in control pipeline.Tested
Cheng Zhongke adjusts air mass flow by frequency converter, and wind speed is increased by pneumatics device, and vacuum adjustment control causes whole testing tube
Wind speed in road is stable, to obtain stablizing effective test result.
This mass air flow sensor test system of the present invention, simple in construction, stability is good, and accuracy is high, operates easy to adjust
Fast, the detection of applicable a variety of mass air flow sensor, highly versatile, with preferable application prospect.
Above in conjunction with accompanying drawing, the present invention is exemplarily described, it is clear that the present invention is implemented not by above-mentioned side
The limitation of formula, if the improvement of the various unsubstantialities of inventive concept and technical scheme of the present invention progress is employed, or without
Improve and the design of the present invention and technical scheme are directly applied into other occasions, within protection scope of the present invention.
Claims (8)
1. mass air flow sensor test system, it is characterised in that：Including blower fan, test pipeline and control cabinet, normal air flowmeter
It is clamped in mass air flow sensor activity to be measured in the test pipeline, the test pipeline includes conduit entrance section and pipe outlet
Section, vacuum, the pipeline are provided with after pneumatics device, the pipe outlet section are provided between the blower fan and conduit entrance section
The first wind speed detector and the second wind speed detector, the control cabinet collection are respectively equipped with inducer and pipe outlet section
The normal air flowmeter and air flow meter signal to be measured are simultaneously exported to display, first wind speed detector and second
Wind speed detector connects output wind speed signal to the control cabinet.
2. according to the mass air flow sensor test system described in claim 1, it is characterised in that：The pneumatics device and vacuum are external
The source of the gas of controllable adjustable pressure.
3. according to the mass air flow sensor test system described in claim 2, it is characterised in that：The blower fan, which is connected with, controls its turn
The frequency converter of speed.
4. according to the mass air flow sensor test system described in claim 1, it is characterised in that：The test pipeline also includes being located at
Middle part coordinates with fixed clamp normal air flowmeter and air stream to be measured with conduit entrance section and pipe outlet section respectively
The clamping duct section of gauge, the clamping duct section includes the first floating pipe section and the second floating pipe section, and described first lives
Being provided between dynamic duct section and the second floating pipe section can drive the two to be respectively facing the conduit entrance section and pipe outlet section
Mobile drive mechanism.
5. according to the mass air flow sensor test system described in claim 4, it is characterised in that：The drive mechanism includes butting up against
Telescopic pipes section between first floating pipe section and the second floating pipe section and it is connected to the first floating pipe section
And second control the first floating pipe section and the mobile regulation cylinder of the second floating pipe section between floating pipe section.
6. according to the mass air flow sensor test system described in claim 5, it is characterised in that：The regulation cylinder is provided with two
The two-way push cylinder of separate chamber and two piston rods, the external part of described two piston rods connects first activity respectively
Duct section and the second floating pipe section.
7. according to the mass air flow sensor test system described in claim 6, it is characterised in that：First floating pipe section and the
One end edge of the two floating pipes section connection drive mechanism is equipped with the annular flange mounting surface of protrusion, the telescopic pipes
Section is removably attachable to by connecting bolt on the flange mounting surface of the first floating pipe section and the second floating pipe section.
8. according to the mass air flow sensor test system described in claim 7, it is characterised in that：The telescopic pipes section outer periphery
Provided with least two regulation cylinders being spaced apart.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710509207.5A CN107202625B (en) | 2017-06-28 | 2017-06-28 | Air flow meter test system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710509207.5A CN107202625B (en) | 2017-06-28 | 2017-06-28 | Air flow meter test system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107202625A true CN107202625A (en) | 2017-09-26 |
| CN107202625B CN107202625B (en) | 2020-05-19 |
Family
ID=59908178
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710509207.5A Active CN107202625B (en) | 2017-06-28 | 2017-06-28 | Air flow meter test system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107202625B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107560694A (en) * | 2017-08-31 | 2018-01-09 | 上海大众祥源动力供应有限公司 | A kind of platform for flow verification and the flow verification method using the platform |
| CN114076628A (en) * | 2020-08-14 | 2022-02-22 | 中国石油天然气股份有限公司 | Flowmeter performance detection device and method |
| CN114199808A (en) * | 2020-09-17 | 2022-03-18 | 北京乐氏联创科技有限公司 | Sampling method for VOCs with high dilution ratio |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU575495A1 (en) * | 1975-07-17 | 1977-10-05 | Ивано-Франковский Институт Нефти И Газа | Device for measuring gas flow rate through annular passage between the walls of a gauged portion of a pipeline and the moving piston of a piston-type flowmeter |
| CN201387355Y (en) * | 2009-03-06 | 2010-01-20 | 温州市安能机械有限公司 | Detection device for automobile air-flow meter |
| US20120024080A1 (en) * | 2010-07-30 | 2012-02-02 | Ecolab Usa Inc. | Apparatus, method and system for calibrating a liquid dispensing system |
| CN103335677A (en) * | 2013-05-30 | 2013-10-02 | 苏州华达仪器设备有限公司 | Air volume test system |
| CN204085642U (en) * | 2014-04-24 | 2015-01-07 | 安徽盛洲汽车部件有限公司 | A kind of air flow sensor test board |
| CN204346551U (en) * | 2014-12-30 | 2015-05-20 | 郑州光力科技股份有限公司 | A kind of gas flow sensor calibrating installation |
| CN205173794U (en) * | 2015-10-26 | 2016-04-20 | 杭州管康塑业有限公司 | Double -deck drain pipe sound insulation telescopic joint device |
| CN105890715A (en) * | 2014-12-03 | 2016-08-24 | 常州市晨通电信设备厂(普通合伙) | Verifying device of small-flow gas flow meter |
| CN205716146U (en) * | 2016-06-23 | 2016-11-23 | 德州泰威通风设备有限公司 | Ventilation shaft telescopic regulation structure |
| CN205938263U (en) * | 2016-07-27 | 2017-02-08 | 中国葛洲坝集团第二工程有限公司 | There is large pipe system scalable and removal passageway |
| CN206038118U (en) * | 2016-09-27 | 2017-03-22 | 重庆医药高等专科学校 | Medical subtend flow pattern mass flow meter's mass flow calibration device |
| CN207395856U (en) * | 2017-06-28 | 2018-05-22 | 安徽盛洲汽车部件有限公司 | A kind of air flow meter tests system |
-
2017
- 2017-06-28 CN CN201710509207.5A patent/CN107202625B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU575495A1 (en) * | 1975-07-17 | 1977-10-05 | Ивано-Франковский Институт Нефти И Газа | Device for measuring gas flow rate through annular passage between the walls of a gauged portion of a pipeline and the moving piston of a piston-type flowmeter |
| CN201387355Y (en) * | 2009-03-06 | 2010-01-20 | 温州市安能机械有限公司 | Detection device for automobile air-flow meter |
| US20120024080A1 (en) * | 2010-07-30 | 2012-02-02 | Ecolab Usa Inc. | Apparatus, method and system for calibrating a liquid dispensing system |
| CN103335677A (en) * | 2013-05-30 | 2013-10-02 | 苏州华达仪器设备有限公司 | Air volume test system |
| CN204085642U (en) * | 2014-04-24 | 2015-01-07 | 安徽盛洲汽车部件有限公司 | A kind of air flow sensor test board |
| CN105890715A (en) * | 2014-12-03 | 2016-08-24 | 常州市晨通电信设备厂(普通合伙) | Verifying device of small-flow gas flow meter |
| CN204346551U (en) * | 2014-12-30 | 2015-05-20 | 郑州光力科技股份有限公司 | A kind of gas flow sensor calibrating installation |
| CN205173794U (en) * | 2015-10-26 | 2016-04-20 | 杭州管康塑业有限公司 | Double -deck drain pipe sound insulation telescopic joint device |
| CN205716146U (en) * | 2016-06-23 | 2016-11-23 | 德州泰威通风设备有限公司 | Ventilation shaft telescopic regulation structure |
| CN205938263U (en) * | 2016-07-27 | 2017-02-08 | 中国葛洲坝集团第二工程有限公司 | There is large pipe system scalable and removal passageway |
| CN206038118U (en) * | 2016-09-27 | 2017-03-22 | 重庆医药高等专科学校 | Medical subtend flow pattern mass flow meter's mass flow calibration device |
| CN207395856U (en) * | 2017-06-28 | 2018-05-22 | 安徽盛洲汽车部件有限公司 | A kind of air flow meter tests system |
Non-Patent Citations (1)
| Title |
|---|
| 王荣杰: "水流量标准装置设计与设备选型", 《工业计量》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107560694A (en) * | 2017-08-31 | 2018-01-09 | 上海大众祥源动力供应有限公司 | A kind of platform for flow verification and the flow verification method using the platform |
| CN114076628A (en) * | 2020-08-14 | 2022-02-22 | 中国石油天然气股份有限公司 | Flowmeter performance detection device and method |
| CN114199808A (en) * | 2020-09-17 | 2022-03-18 | 北京乐氏联创科技有限公司 | Sampling method for VOCs with high dilution ratio |
| CN114199808B (en) * | 2020-09-17 | 2023-12-26 | 北京乐氏联创科技有限公司 | VOCs sampling method with high dilution ratio |
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| Publication number | Publication date |
|---|---|
| CN107202625B (en) | 2020-05-19 |
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