CN108168658B - Calibration equipment of automobile air flow sensor - Google Patents
Calibration equipment of automobile air flow sensor Download PDFInfo
- Publication number
- CN108168658B CN108168658B CN201810114882.2A CN201810114882A CN108168658B CN 108168658 B CN108168658 B CN 108168658B CN 201810114882 A CN201810114882 A CN 201810114882A CN 108168658 B CN108168658 B CN 108168658B
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- jar
- test bench
- air
- jar body
- pipe
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- 230000007246 mechanism Effects 0.000 claims abstract description 19
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000003111 delayed effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Classifications
-
- 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
- G01F25/10—Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume of flowmeters
- G01F25/15—Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume of flowmeters specially adapted for gas meters
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- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Examining Or Testing Airtightness (AREA)
- Testing Of Engines (AREA)
Abstract
The invention relates to calibration equipment of an automobile air flow sensor, which comprises a test bench and is characterized in that: the test bench has the air control jar through first pipe connection, the air control jar has the jar of admitting air through the second pipe connection, the other end that the jar of admitting air is connected the air control jar relatively is equipped with the air inlet, the air control jar is including last jar body and the lower jar body that connect gradually, lower jar body and second pipe connection, go up jar body and first pipe connection, be equipped with the control mechanism that admits air in the last jar body, the beneficial effect of the invention is: the simulated gear is more calibrated more accurately, and the test bench is more firmly connected with the pipeline.
Description
Technical Field
The invention relates to calibration equipment of an air flow sensor, in particular to calibration equipment of an automobile air flow sensor
Background
The automobile engine is provided with an air flow sensor, which is one of the important sensors of the engine, converts the sucked air flow into an electric signal to be sent to an Electronic Control Unit (ECU), and is one of the basic signals for determining oil injection, and is a sensor for measuring the air flow sucked into the engine, wherein the sensor needs to simulate the working environment of the automobile engine through a calibration device and then write a set value through the calibration device, but the writing accuracy of the traditional calibration device is not ideal and can only simulate 9-grade readings during air intake.
Disclosure of Invention
The technical problem to be solved by the present invention is to address the above-mentioned shortcomings of the prior art,
A calibration device for an air flow sensor of an automobile is provided.
In order to achieve the above purpose, the present invention provides the following technical solutions: the calibration equipment of car air flow sensor, its characterized in that: including the testboard, the testboard has the air control jar through first pipe connection, the air control jar has the inlet tank through the second pipe connection, the other end that the air control jar was connected relatively to the inlet tank is equipped with the air inlet, the air control jar is including last jar body and the lower jar body that connects gradually, lower jar body and second pipe connection, go up jar body and first pipe connection, be equipped with air inlet control mechanism in going up jar body, go up jar body upper plate and last jar body lower plate that the body is including setting up relatively, go up jar body lower plate equipartition and have 9 lower plate through-holes, it is equipped with the upper plate through-hole to go up jar body upper plate in the corresponding position of lower plate through-hole, wear to be equipped with the flow valve in upper plate through-hole and the lower plate through-hole.
By adopting the technical scheme, the air inlet tank is arranged outdoors, the air inlet tank is connected with the lower tank body of the air control tank through the first pipeline, the air inlet tank is an air extraction type tank body, external air is continuously extracted and is input into the lower tank body, and the air control mechanism arranged in the upper tank body of the air control tank controls the air quantity in the lower tank body, which is led to the test bench through the second pipeline; the flow valve between the upper tank body and the lower tank body is used for controlling the flow to the test bench through the flow valve penetrating between the upper tank body upper plate and the upper tank body lower plate, the threshold values of the flow valves penetrating through the 9 through holes are different, the 9 flow valves not only can simulate 9 gears of a conventional engine, but also can simulate additional gears by simultaneously opening two or more of the flow valves to the tested sensor in the test bench for ventilation, and can simulate 13 different gears at the highest, so that the requirements of various automobile air flow sensors are met for calibration.
The calibration device of an air flow sensor of an automobile may be further configured to: the front end of the test bench is provided with a to-be-tested sensor placing area, one end of the to-be-tested sensor placing area is connected with a test bench connecting pipe, the test bench is communicated with a first pipeline through the test bench connecting pipe, and test bench connecting pipes are provided with test bench connecting pipe supporting mechanisms on two sides of the to-be-tested sensor placing area.
By adopting the technical scheme, the connecting pipe supporting mechanisms are arranged at the two ends of the connecting pipe of the test bench, so that the stability of the connecting pipe can be improved, the situation that the connecting pipe of the test bench is collapsed and falls to cause maintenance is avoided, and the calibration efficiency is delayed.
The calibration device of an air flow sensor of an automobile may be further configured to: the test bench connecting pipe supporting mechanism comprises a pipe clamp, one end of the pipe clamp is clamped at the other end of the test bench connecting pipe, a connecting plate is arranged at the other end of the connecting plate, which is connected with the pipe clamp relatively, a sliding rail is arranged at the other end of the connecting plate, and the connecting plate is connected with the sliding rail through a sliding rail connecting plate.
By adopting the technical scheme, the sliding rail arranged below the pipe clamp is arranged opposite to the connecting pipe of the test bench, and the pipe clamp can slide along the sliding rail through the sliding rail connecting plate so as to change the connection position of the pipe clamp and the connecting pipe of the test bench.
The calibration device of an air flow sensor of an automobile may be further configured to: the slide rail is provided with connecting pipe supporting mechanism fixing device near first pipeline department, connecting pipe supporting mechanism fixing device is including the cylinder, the cylinder passes through the cylinder backing plate setting and is placed the district coplanar in the sensor that awaits measuring.
By adopting the technical scheme, the sliding distance of the connecting tank supporting mechanism close to the first pipeline is longer, so that a connecting pipe supporting mechanism fixing device is required to be arranged for fixing the connecting tank supporting mechanism, and the falling-off sliding rail of the connecting pipe supporting mechanism is prevented.
The beneficial effects of the invention are as follows: the simulated gear is more calibrated more accurately, and the test bench is more firmly connected with the pipeline.
The invention is described in further detail below with reference to the drawings and examples.
Drawings
Fig. 1 is a schematic perspective view of an embodiment of the present invention.
Fig. 2 is a schematic diagram of an explosion structure of an air control tank according to an embodiment of the present invention.
Fig. 3 is a rear perspective view of a test bench according to an embodiment of the invention.
Detailed Description
See fig. 1-3: the utility model provides a calibration equipment of car air flow sensor, including test bench 1, test bench 1 is connected with air control jar 2 through first pipeline 11, air control jar 2 is connected with inlet tank 3 through second pipeline 21, inlet tank 3 is the other end of connecting air control jar 2 relatively is equipped with the air inlet, air control jar 2 is including last jar 22 body and lower jar body 23 that connect gradually, lower jar body 23 is connected with second pipeline 21, last jar body 22 is connected with first pipe 11, be equipped with inlet control mechanism in the last jar body 22, last jar body upper plate 221 and last jar body lower plate 222 that set up relatively, last jar body lower plate 222 equipartition has 9 lower plate through holes 2221, upward jar body upper plate 221 is equipped with upper plate through holes 2211 in the corresponding position of lower plate through holes 2221, upward plate through holes 2211 and lower plate through holes 2221 are worn to be equipped with the flow valve, test bench 1 front end is equipped with the sensor location district 12 that awaits measuring, it is connected with test bench 13 to await measuring sensor location district 12 one end, test bench 1 is equipped with test bench 13 through test bench connecting pipe 13 and first pipeline 11 pipe connection board 11, be equipped with inlet control mechanism in the last pipe connection board 1, be equipped with the tie plate device that await measuring device is located in the test bench 14 and is connected with the connecting tube connection board 14 through the first pipeline connection board 13, the connecting tube connection board 14 is located in the connecting tube connection board 15, the connecting tube connection board 15 is provided with a connecting plate 15, the connecting plate device is connected with a connecting plate 15 through the connecting plate 15, the end of connecting plate device is connected with a connecting plate device for test bench 14, and a connecting plate 15 is connected to be provided with a connecting plate 15.
Claims (4)
1. The utility model provides a calibration equipment of car air flow sensor, including the testboard, its characterized in that: the test bench has the air control jar through first pipe connection, the air control jar has the jar of admitting air through the second pipe connection, the other end that the jar of admitting air relatively connected the air control jar is equipped with the air inlet, the air control jar is including last jar body and the lower jar body that connects gradually, lower jar body and second pipe connection, go up jar body and first pipe connection, be equipped with the control mechanism that admits air in the last jar body, go up jar body upper plate and last jar body hypoplastron including the relative upper tank body upper plate that establishes, upper tank body hypoplastron equipartition has 9 hypoplastron through-holes, upper tank body upper plate is equipped with the upper plate through-hole in the corresponding position of hypoplastron through-hole, wear to be equipped with the flow valve in upper plate through-hole and the hypoplastron through-hole.
2. The calibration device for an air flow sensor of a vehicle of claim 1, wherein: the front end of the test bench is provided with a to-be-tested sensor placing area, one end of the to-be-tested sensor placing area is connected with a test bench connecting pipe, the test bench is communicated with a first pipeline through the test bench connecting pipe, and test bench connecting pipes are provided with test bench connecting pipe supporting mechanisms on two sides of the to-be-tested sensor placing area.
3. Calibration device for an air flow sensor of a motor vehicle according to claim 2, characterized in that: the test bench connecting pipe supporting mechanism comprises a pipe clamp, one end of the pipe clamp is clamped at the other end of the test bench connecting pipe, a connecting plate is arranged at the other end of the connecting plate, which is connected with the pipe clamp relatively, a sliding rail is arranged at the other end of the connecting plate, and the connecting plate is connected with the sliding rail through a sliding rail connecting plate.
4. A calibration device for an air flow sensor of a motor vehicle according to claim 3, characterized in that: the slide rail is provided with connecting pipe supporting mechanism fixing device near first pipeline department, connecting pipe supporting mechanism fixing device is including the cylinder, the cylinder passes through the cylinder backing plate setting and is placed the district coplanar in the sensor that awaits measuring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810114882.2A CN108168658B (en) | 2018-02-06 | 2018-02-06 | Calibration equipment of automobile air flow sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810114882.2A CN108168658B (en) | 2018-02-06 | 2018-02-06 | Calibration equipment of automobile air flow sensor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108168658A CN108168658A (en) | 2018-06-15 |
| CN108168658B true CN108168658B (en) | 2024-06-07 |
Family
ID=62512877
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810114882.2A Active CN108168658B (en) | 2018-02-06 | 2018-02-06 | Calibration equipment of automobile air flow sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108168658B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110501997A (en) * | 2019-09-03 | 2019-11-26 | 一汽解放汽车有限公司 | A kind of novel gas inlet flow sensor scalar quantity K value writes with a brush dipped in Chinese ink method automatically |
| CN113916331A (en) * | 2021-10-20 | 2022-01-11 | 王永雪 | Regulation monitoring instrument suitable for gas turbine flow test |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201181233Y (en) * | 2008-04-08 | 2009-01-14 | 朱家顺 | Gas instrument calibration apparatus |
| 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 |
| CN203672461U (en) * | 2013-12-31 | 2014-06-25 | 广西玉柴机器股份有限公司 | Calibrating device of gas flowmeter |
| CN205593618U (en) * | 2016-03-17 | 2016-09-21 | 西安航空学院 | Air mass flow meter sensor input/output characteristic measurement experiment case |
| CN206056739U (en) * | 2016-08-16 | 2017-03-29 | 镇江市计量检定测试中心 | Detection of gas flow rate metering device |
| CN106768201A (en) * | 2016-12-27 | 2017-05-31 | 新乡航空工业(集团)有限公司 | Positive/negative-pressure plurality of nozzle-type flowmeter detecting system |
| CN207964028U (en) * | 2018-02-06 | 2018-10-12 | 温州鼎程电子科技有限公司 | A kind of calibration facility of automobile air-flow sensor |
-
2018
- 2018-02-06 CN CN201810114882.2A patent/CN108168658B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201181233Y (en) * | 2008-04-08 | 2009-01-14 | 朱家顺 | Gas instrument calibration apparatus |
| 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 |
| CN203672461U (en) * | 2013-12-31 | 2014-06-25 | 广西玉柴机器股份有限公司 | Calibrating device of gas flowmeter |
| CN205593618U (en) * | 2016-03-17 | 2016-09-21 | 西安航空学院 | Air mass flow meter sensor input/output characteristic measurement experiment case |
| CN206056739U (en) * | 2016-08-16 | 2017-03-29 | 镇江市计量检定测试中心 | Detection of gas flow rate metering device |
| CN106768201A (en) * | 2016-12-27 | 2017-05-31 | 新乡航空工业(集团)有限公司 | Positive/negative-pressure plurality of nozzle-type flowmeter detecting system |
| CN207964028U (en) * | 2018-02-06 | 2018-10-12 | 温州鼎程电子科技有限公司 | A kind of calibration facility of automobile air-flow sensor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108168658A (en) | 2018-06-15 |
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