CN107202624B - Air flow meter testing device - Google Patents
Air flow meter testing device Download PDFInfo
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- CN107202624B CN107202624B CN201710509144.3A CN201710509144A CN107202624B CN 107202624 B CN107202624 B CN 107202624B CN 201710509144 A CN201710509144 A CN 201710509144A CN 107202624 B CN107202624 B CN 107202624B
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- pipeline section
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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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- General Physics & Mathematics (AREA)
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Abstract
The invention discloses an air flow meter testing device which comprises an air pipeline arranged on a test board, wherein the air pipeline comprises a pipeline inlet section and a pipeline outlet section which are arranged at two ends, and a clamping pipeline section which is arranged in the middle and is respectively matched with the pipeline inlet section and the pipeline outlet section so as to fixedly clamp a standard air flow meter and an air flow meter to be tested, the clamping pipeline section comprises a first movable pipeline section and a second movable pipeline section, and a driving mechanism which can drive the first movable pipeline section and the second movable pipeline section to move towards the pipeline inlet section and the pipeline outlet section respectively is arranged between the first movable pipeline section and the second movable pipeline section. The air flow meter testing device has the advantages of simple structure, convenience and rapidness in operation and use, good accuracy, strong universality and better application prospect, and can be suitable for the detection of various air flow meters.
Description
Technical Field
The invention belongs to the technical field of detection devices, and particularly relates to an air flow meter testing device.
Background
The air mass flow meter is a key component in an electronic control system of an automobile engine, and is used for measuring the mass flow of air entering the engine. In the prior art, a testing device for detecting the air flow meter has the defects of poor universality, inconvenience in use and the like, and needs to be further optimized and improved.
Disclosure of Invention
The invention aims to solve the problems in the prior art and provides the air flow meter testing device which is simple in structure, good in universality and convenient to use.
In order to achieve the purpose, the invention adopts the technical scheme that: this kind of air flow meter testing arrangement that provides, including locating the air duct on the testboard, air duct is including the pipeline import section and the pipeline export section of locating both ends, and locate the middle part respectively with pipeline import section and pipeline export section cooperation are with the centre gripping pipeline section of fixed centre gripping standard air flow meter and the air flow meter that awaits measuring, centre gripping pipeline section includes first activity pipeline section and second activity pipeline section, be equipped with between first activity pipeline section and the second activity pipeline section and drive the two and move towards respectively pipeline import section and pipeline export section remove actuating mechanism.
In order to make the technical scheme more detailed and concrete, the invention also provides the following further preferable technical scheme to obtain satisfactory practical effect:
the driving mechanism comprises a telescopic pipeline section and an adjusting cylinder, wherein the telescopic pipeline section is butted between the first movable pipeline section and the second movable pipeline section, and the adjusting cylinder is connected between the first movable pipeline section and the second movable pipeline section and controls the first movable pipeline section and the second movable pipeline section to move.
The adjusting cylinder is a bidirectional pushing cylinder provided with two independent chambers and two piston rods, and the extending ends of the two piston rods are respectively connected with the first movable pipeline section and the second movable pipeline section.
The first movable pipeline section and the second movable pipeline section are connected with one end edge of the driving mechanism and are provided with protruding annular flange mounting surfaces, and the telescopic pipeline section is detachably connected to the flange mounting surfaces of the first movable pipeline section and the second movable pipeline section through connecting bolts.
The periphery of the outer side of the telescopic pipeline section is provided with at least two adjusting cylinders which are distributed at intervals.
And the edges of one end of the pipeline inlet section, the pipeline outlet section, the butted end of the first movable pipeline section and the second movable pipeline section with the air flow meter are provided with convex annular flange mounting surfaces.
And a sealing air cushion is arranged on the flange mounting surface.
And the first movable pipeline section and the second movable pipeline section are both provided with a supporting seat for supporting the first movable pipeline section and the second movable pipeline section on the test board.
The first movable pipeline section and the second movable pipeline section can move back and forth along the supporting seat.
Compared with the prior art, the invention has the following advantages: the air flow meter testing device has the advantages of simple structure, convenience and rapidness in operation and use, good accuracy, strong universality and better application prospect, and can be suitable for the detection of various air flow meters.
Drawings
The contents of the drawings and the reference numerals in the drawings of the present specification will be briefly described as follows:
FIG. 1 is a schematic structural diagram of a testing apparatus according to the present invention;
fig. 2 is a schematic view of the structure of the mounting surface of the connecting flange according to the present invention.
Labeled as: 1. pipeline import section, 2, standard air flow meter, 3, first movable pipeline section, 4, supporting seat, 5, flexible pipeline section, 6, adjusting cylinder, 7, second movable pipeline section, 8, the air flow meter that awaits measuring, 9, pipeline export section, 10, flange installation face, 11, sealed air cushion.
Detailed Description
The following description of the embodiments of the present invention will be made in detail with reference to the accompanying drawings.
The air flow meter testing device comprises an air pipeline arranged on a testing platform, wherein the air pipeline comprises a pipeline inlet section 1 and a pipeline outlet section 9 which are arranged at two ends, and a clamping pipeline section which is arranged in the middle and is respectively matched with the pipeline inlet section 1 and the pipeline outlet section 9 to fixedly clamp a standard air flow meter 2 and an air flow meter 8 to be tested, as shown in figure 1. In the invention, the clamping pipeline section comprises a first movable pipeline section 3 and a second movable pipeline section 7, and a driving mechanism which can drive the first movable pipeline section 3 and the second movable pipeline section 7 to respectively move towards the pipeline inlet section 1 and the pipeline outlet section 2 is arranged between the first movable pipeline section 3 and the second movable pipeline section 7. The fixed standard air flow meter 2 of adjustable centre gripping between pipeline import section 1 and first movable pipeline section 3 promptly, the second movable pipeline section 7 with pipeline export section 2 between adjustable centre gripping air flow meter 8 that awaits measuring to make this air flow meter testing arrangement satisfy multiple air flow meter's test requirement, convenient to use is swift, be convenient for control, the suitability is good.
In the invention, the driving mechanism comprises a telescopic pipeline section 5 which is in butt joint between a first movable pipeline section 3 and a second movable pipeline section 7, and an adjusting cylinder 6 which is connected between the first movable pipeline section 3 and the second movable pipeline section 7 and controls the first movable pipeline section 3 and the second movable pipeline section 7 to move. The driving mechanism can control the first movable pipeline section 3 and the second movable pipeline section 7 to respectively move and adjust towards two sides so as to correspondingly clamp the standard air flow meter 2 and the air flow meter 8 to be measured.
The adjusting cylinder 6 is a bidirectional pushing cylinder provided with two independent chambers and two piston rods, and the extending ends of the two piston rods are respectively connected with the first movable pipeline section 3 and the second movable pipeline section 7. The adjusting cylinder 6 can be controlled to adjust and move according to the size and the specification of the air flow meter for actual clamping, so that the clamping requirement is met, the structure is simple, and the control and the use are convenient and fast.
In the invention, as shown in fig. 1, the edges of the ends of the first movable pipeline section 3 and the second movable pipeline section 7 connected with the driving mechanism are respectively provided with a convex annular flange mounting surface 10, and the telescopic pipeline sections are detachably connected to the flange mounting surfaces 10 of the first movable pipeline section 3 and the second movable pipeline section 7 through connecting bolts, so that the telescopic pipeline sections 5 can be maintained, cleaned and replaced conveniently.
In the invention, at least two adjusting cylinders 6 distributed at intervals are arranged on the periphery of the outer side of the telescopic pipeline section 5 to ensure stable supporting and adjusting, and if necessary, guide rods can be arranged between the first movable pipeline section 3 and the second movable pipeline section 7 and are arranged between the adjusting cylinders 6 at intervals to ensure accurate connection between pipelines.
In the invention, as shown in fig. 2, the edges of the butt joint ends of the pipeline inlet section 1, the pipeline outlet section 9, the first movable pipeline section 3 and the second movable pipeline section 7 and the air flow meter are provided with a convex annular flange mounting surface 10, the flange mounting surface 10 is provided with a sealing air cushion 11, and the sealing air cushion 11 can be set to have a certain width so as to adapt to the sealing connection of the air flow meters with different calibers.
In the invention, the first movable pipeline section 3 and the second movable pipeline section 7 are respectively provided with the supporting seat 4 for supporting the first movable pipeline section 3 and the second movable pipeline section 7 on the test bench, and the coaxiality and the concentricity of the first movable pipeline section 3 and the second movable pipeline section 7 and the pipeline inlet section 1 and the pipeline outlet section 9 at the two ends can be adjusted and controlled through the supporting seats 4, so that the accuracy of the air flow meter testing device is ensured. And the first movable pipeline section 3 and the second movable pipeline section 7 can move back and forth along the supporting seat 4 to adjust certain guiding control function of the supporting seat.
According to the air flow meter testing device, the fan is arranged at the inlet section 1 of the pipeline, the wind speed in the pipeline can be controlled through the frequency converter, after the wind speed is stable, data such as output voltage, working current and the like of the air flow meter to be tested are collected through the collection module, and the performance of the product is judged by comparing the collected data with the collected data of the standard air flow meter.
The air flow meter testing device has the advantages of simple structure, convenience and rapidness in operation and use, good accuracy, strong universality and better application prospect, and can be suitable for the detection of various air flow meters.
The present invention has been described in connection with the accompanying drawings, and it is to be understood that the invention is not limited to the precise construction and instrumentalities shown, but is intended to cover various insubstantial modifications of the invention, including those made without departing from the spirit and scope of the invention, and all such modifications and equivalents as fall within the spirit and scope of the invention.
Claims (5)
1. Air flowmeter testing arrangement, its characterized in that: the air pipeline comprises a pipeline inlet section and a pipeline outlet section which are arranged at two ends, and a clamping pipeline section which is arranged in the middle and is respectively matched with the pipeline inlet section and the pipeline outlet section to fixedly clamp a standard air flow meter and an air flow meter to be tested, wherein the clamping pipeline section comprises a first movable pipeline section and a second movable pipeline section, and a driving mechanism which can drive the first movable pipeline section and the second movable pipeline section to move towards the pipeline inlet section and the pipeline outlet section respectively is arranged between the first movable pipeline section and the second movable pipeline section; the driving mechanism comprises a telescopic pipeline section butted between the first movable pipeline section and the second movable pipeline section and an adjusting cylinder connected between the first movable pipeline section and the second movable pipeline section and used for controlling the first movable pipeline section and the second movable pipeline section to move; the first movable pipeline section and the second movable pipeline section are respectively provided with a supporting seat for supporting the first movable pipeline section and the second movable pipeline section on the test board; the adjusting cylinder is a bidirectional pushing cylinder provided with two independent chambers and two piston rods, and the extending ends of the two piston rods are respectively connected with the first movable pipeline section and the second movable pipeline section; and the edges of one end of the pipeline inlet section, the pipeline outlet section, the butted end of the first movable pipeline section and the second movable pipeline section with the air flow meter are provided with convex annular flange mounting surfaces.
2. The air flow meter testing device of claim 1, wherein: the first movable pipeline section and the second movable pipeline section are connected with one end edge of the driving mechanism and are provided with protruding annular flange mounting surfaces, and the telescopic pipeline section is detachably connected to the flange mounting surfaces of the first movable pipeline section and the second movable pipeline section through connecting bolts.
3. The air flow meter testing device of claim 2, wherein: the periphery of the outer side of the telescopic pipeline section is provided with at least two adjusting cylinders which are distributed at intervals.
4. The air flow meter testing device of claim 3, wherein: and a sealing air cushion is arranged on the flange mounting surface.
5. The air flow meter testing device of claim 1, wherein: the first movable pipeline section and the second movable pipeline section can move back and forth along the supporting seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710509144.3A CN107202624B (en) | 2017-06-28 | 2017-06-28 | Air flow meter testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710509144.3A CN107202624B (en) | 2017-06-28 | 2017-06-28 | Air flow meter testing device |
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| Publication Number | Publication Date |
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| CN107202624A CN107202624A (en) | 2017-09-26 |
| CN107202624B true CN107202624B (en) | 2020-05-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710509144.3A Active CN107202624B (en) | 2017-06-28 | 2017-06-28 | Air flow meter testing device |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108759969B (en) * | 2018-05-24 | 2024-04-26 | 新疆中元天能油气科技股份有限公司 | Gas-liquid two-phase flowmeter |
| CN113984151B (en) * | 2020-07-10 | 2024-05-31 | 中国石油天然气股份有限公司 | Flowmeter detection device |
| CN111982228A (en) * | 2020-08-07 | 2020-11-24 | 江苏同正机械制造有限公司 | Flue gas flow measuring mechanism |
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| 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 |
| DE102010036711A1 (en) * | 2010-07-28 | 2012-02-02 | Samson Ag | Process valve with force measuring 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 |
| 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 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| 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 |
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| CN107202624A (en) | 2017-09-26 |
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