CN201387355Y - Detection device for automobile air-flow meter - Google Patents
Detection device for automobile air-flow meter Download PDFInfo
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- CN201387355Y CN201387355Y CN200920114785U CN200920114785U CN201387355Y CN 201387355 Y CN201387355 Y CN 201387355Y CN 200920114785 U CN200920114785 U CN 200920114785U CN 200920114785 U CN200920114785 U CN 200920114785U CN 201387355 Y CN201387355 Y CN 201387355Y
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Abstract
The utility model relates to a detection device for an automobile air-flow meter, which comprises an air-flow generation device, a test pipeline, control valves and a data acquisition and display system; the detection device is characterized in that an air compression tank is arranged at an air inlet of the test pipe, a vacuum tank is arranged at an air outlet of the test pipe, one end of the air-flow generation device is connected with the air compression tank through a pipeline, the other end of the air-flow generation device is connected with the vacuum tank to form a circulating air-flow pipeline, and the control valves are respectively arranged between the air compression tank and the air inlet of the test pipe as well as between the vacuum tank and the air outlet of the test pipe and are respectively connected with the data acquisition and display system; and the utility model has the benefits that the air compression tank and the vacuum tank are respectively and additionally installed at the both ends of the test pipe, a negative pressure state is formed in the test pipe due to the air supply of the air compression tank and the air extraction of the vacuum tank, and due to the adoption of the structure, the energy utilization ratio and the air speed in the test pipe can be effectively increased under the condition that one air-flow generation device is used, therefore, the detection cost of the air-flow meter is further reduced.
Description
Technical field
The utility model relates to a kind of pick-up unit, relates to a kind of pick-up unit of automobile air flow meter in particular.
Background technology
Automobile air flow meter mainly is to be used for measured automobiles engine institute amount of air drawn, and then be used for engine control system and determine burning condition, the control air-fuel ratio, starting, igniting etc., the real-time rotating speed of air inflow that automobile engine control system then measures according to air mass flow and engine come and the contrast of predefined fuel feeding program after, calculating needs fuel delivery and relative injecting time.
In the research and development and production run of air flowmeter, simple and easy to do verification test is often to need one of difficult problem that solves; At present, Chinese patent discloses a kind of automobile air flow meter calibrating installation (patent No. 200620016507.7), this calibrating installation utilizes an air-flow generation equipment to be connected with a testing conduit, be provided with one between described testing conduit and the air-flow generation equipment by computer-controlled electromagnetic valve, described flowmeter to be checked and proving flowmeter are installed in series on testing conduit, this flowmeter to be checked links to each other with scanning display apparatus with data acquisition control with proving flowmeter, in when test, various data can be real-time passes through data acquisition control and scanning display apparatus shows; Adopt this structure,, improve its calibrating benefit though can guarantee that the flow of same time is identical in testing conduit; But produce equipment because an air-flow is set, the wind speed in its testing conduit is lower, and energy resource consumption is higher relatively, thereby improves the detection cost of air flowmeter.
Summary of the invention
Produce the energy resource consumption of equipment and improve technical matterss such as wind speed in the testing conduit in order to reduce air-flow, the utility model provides a kind of automobile air flow meter monitor station, it is reasonable in design, and is simple in structure, can effectively improve energy utilization rate and improve its test wind speed.
For solving above technical matters, the technical scheme that the utility model is taked is a kind of automobile air flow meter pick-up unit, it includes air-flow and produces equipment, testing conduit, operation valve, Data Acquisition And Display System, described testing conduit are provided with the mount pad of a flowmeter to be checked and the mount pad of proving flowmeter, and described operation valve is installed on air-flow and produces between equipment and the testing conduit and with Data Acquisition And Display System and link to each other; Described testing conduit air inlet one end is provided with a pneumatics jar, be provided with a vacuum tank at its air opening end, described air-flow generation equipment is connected with the pneumatics jar by pipeline one end, the other end and vacuum tank are connected to form a round-robin airflow pipeline, respectively be provided with an operation valve between described pneumatics jar and the testing conduit air inlet and between vacuum tank and the testing conduit air outlet, its operation valve all links to each other with Data Acquisition And Display System.
Further, be provided with a heating and cooling air-conditioning unit in the described pneumatics jar.
Further, be positioned at the air inlet place on the described testing conduit and be provided with an anemoscope, this anemoscope end of probe places in the testing conduit, and its other end links to each other with Data Acquisition And Display System.
The beneficial effects of the utility model are respectively to install a pneumatics jar and a vacuum tank additional at the testing conduit two ends, by the air-supply of pneumatics jar and the exhausting of vacuum tank, make and form a negative pressure state in the testing conduit; Adopt this structure,, can effectively improve the wind speed in energy utilization rate and the testing conduit thereof using an air-flow to produce under the constant situation of equipment.
Description of drawings
Fig. 1 is the structural principle synoptic diagram of a kind of automobile air flow meter pick-up unit of the utility model embodiment
Specific embodiments
Below in conjunction with accompanying drawing the utility model embodiment is described further:
As shown in Figure 1, a kind of automobile air flow meter pick-up unit of the utility model, it includes air-flow and produces equipment 1, testing conduit 2, operation valve 3, Data Acquisition And Display System 4, described testing conduit 2 are provided with the mount pad 21 of a flowmeter to be checked and the mount pad 22 of proving flowmeter, and described operation valve 3 is installed on air-flow and produces between equipment 1 and the testing conduit 2 and with Data Acquisition And Display System 4 and link to each other; Produce the energy resource consumption of equipment 1 and improve wind speed in the testing conduit 2 in order to reduce air-flow, described testing conduit 2 air inlets one end is provided with a pneumatics jar 5, be provided with a vacuum tank 6 at its air opening end, described air-flow produces equipment 1 and is connected with pneumatics jar 5 by pipeline 11 1 ends, and the other end is connected with vacuum tank 6 and forms a round-robin airflow pipeline; Respectively increase a pneumatics jar 5 and vacuum tank 6 at testing conduit 2 two ends, by the air-supply of pneumatics jar 5 and the exhausting of vacuum tank 6, make and form a negative pressure state in the testing conduit 2, using an air-flow to produce under the constant situation of equipment 1, when can improve the wind speed in the testing conduit 2, also can effectively improve utilization efficiency of energy, reduce the detection cost of air flowmeter; Be the convenient accuracy of wind speed in the testing conduit 2 being regulated and guaranteed its adjusting, respectively be provided with an operation valve 3 between described pneumatics jar 5 and testing conduit 2 air inlets and between vacuum tank 6 and testing conduit 5 air outlets, this operation valve 3 all links to each other with Data Acquisition And Display System 4, by with being connected of Data Acquisition And Display System 4, can realize the automatic control to operation valve 3, it is more accurate to make when regulating.
In the present embodiment, because air flowmeter is installed in the air intake opening place of motor car engine, its working environment is comparatively abominable, environment for use for simulated air flowmeter more true to nature, the verify error that reduction causes because of environmental factor, be provided with a heating and cooling air-conditioning unit 7 in described pneumatics jar 5, this heating and cooling air-conditioning unit 7 can be regulated the gas flow temperatures in the pneumatics jar 5, its range of adjustment can be from-40 ° to 130 °.
In the present embodiment, for convenient wind speed in the testing conduit 2 is regulated, be positioned at the air inlet place and be provided with an anemoscope 8 on described testing conduit 2, these anemoscope 8 end of probe place in the testing conduit 2, and its other end links to each other with Data Acquisition And Display System 4; One anemoscope 8 is installed, can the testing staff can be in time regulated to wind speed by the wind speed in the Data Acquisition And Display System 4 real-time control and measuring pipelines 2.
The foregoing description should not be considered as restriction of the present utility model, but any improvement of doing based on spirit of the present utility model, all should be within protection domain of the present utility model.
Claims (3)
1. automobile air flow meter pick-up unit, it includes air-flow and produces equipment, testing conduit, operation valve, Data Acquisition And Display System, described testing conduit is provided with the mount pad of a flowmeter to be checked and the mount pad of proving flowmeter, and described operation valve is installed on air-flow and produces between equipment and the testing conduit and with Data Acquisition And Display System and link to each other; It is characterized in that described testing conduit air inlet one end is provided with a pneumatics jar, be provided with a vacuum tank at its air opening end, described air-flow generation equipment is connected with the pneumatics jar by pipeline one end, the other end is connected with vacuum tank and forms a round-robin airflow pipeline, respectively be provided with an operation valve between described pneumatics jar and the testing conduit air inlet and between vacuum tank and the testing conduit air outlet, its operation valve all links to each other with Data Acquisition And Display System.
2. a kind of automobile air flow meter pick-up unit according to claim 1 is characterized in that being provided with in the described pneumatics jar heating and cooling air-conditioning unit.
3. a kind of automobile air flow meter pick-up unit according to claim 1 and 2, it is characterized in that being positioned on the described testing conduit air inlet place and be provided with an anemoscope, this anemoscope end of probe places in the testing conduit, and its other end links to each other with Data Acquisition And Display System.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920114785U CN201387355Y (en) | 2009-03-06 | 2009-03-06 | Detection device for automobile air-flow meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920114785U CN201387355Y (en) | 2009-03-06 | 2009-03-06 | Detection device for automobile air-flow meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201387355Y true CN201387355Y (en) | 2010-01-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200920114785U Expired - Fee Related CN201387355Y (en) | 2009-03-06 | 2009-03-06 | Detection device for automobile air-flow meter |
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| CN (1) | CN201387355Y (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102768059A (en) * | 2012-07-06 | 2012-11-07 | 中国航空工业集团公司西安飞机设计研究所 | On-line checking method of cold side air quantity of heat radiator test table |
| CN103234605A (en) * | 2013-04-10 | 2013-08-07 | 温州百岸汽车零部件有限公司 | Contrast test method and tester for two-way air flow and reaction speed of automotive flow meter |
| CN104807522A (en) * | 2015-04-21 | 2015-07-29 | 中国计量学院 | High-temperature gas flow rate measuring standard device and detection method thereof |
| CN107202625A (en) * | 2017-06-28 | 2017-09-26 | 安徽盛洲汽车部件有限公司 | Mass air flow sensor test system |
| CN107202624A (en) * | 2017-06-28 | 2017-09-26 | 安徽盛洲汽车部件有限公司 | Mass air flow sensor test device |
| CN107367312A (en) * | 2017-06-28 | 2017-11-21 | 安徽盛洲汽车部件有限公司 | A kind of mass air flow sensor method of testing |
| CN108168658A (en) * | 2018-02-06 | 2018-06-15 | 温州鼎程电子科技有限公司 | A kind of calibration facility of automobile air-flow sensor |
| CN109752059A (en) * | 2019-03-05 | 2019-05-14 | 平湖威格博尔电器有限公司 | Air flow rate detecting device and detection method |
| CN110748415A (en) * | 2019-11-23 | 2020-02-04 | 广西玉柴机器股份有限公司 | Engine air blowby quantity fault monitoring device and method capable of being used for whole vehicle |
-
2009
- 2009-03-06 CN CN200920114785U patent/CN201387355Y/en not_active Expired - Fee Related
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102768059A (en) * | 2012-07-06 | 2012-11-07 | 中国航空工业集团公司西安飞机设计研究所 | On-line checking method of cold side air quantity of heat radiator test table |
| CN103234605A (en) * | 2013-04-10 | 2013-08-07 | 温州百岸汽车零部件有限公司 | Contrast test method and tester for two-way air flow and reaction speed of automotive flow meter |
| CN103234605B (en) * | 2013-04-10 | 2015-06-24 | 温州百岸汽车零部件有限公司 | Contrast test method and tester for two-way air flow and reaction speed of automotive flow meter |
| CN104807522A (en) * | 2015-04-21 | 2015-07-29 | 中国计量学院 | High-temperature gas flow rate measuring standard device and detection method thereof |
| CN104807522B (en) * | 2015-04-21 | 2018-03-20 | 中国计量学院 | High-temperature gas flow measurement standard set-up and its detection method |
| CN107367312A (en) * | 2017-06-28 | 2017-11-21 | 安徽盛洲汽车部件有限公司 | A kind of mass air flow sensor method of testing |
| CN107202624A (en) * | 2017-06-28 | 2017-09-26 | 安徽盛洲汽车部件有限公司 | Mass air flow sensor test device |
| CN107202625A (en) * | 2017-06-28 | 2017-09-26 | 安徽盛洲汽车部件有限公司 | Mass air flow sensor test system |
| CN107202624B (en) * | 2017-06-28 | 2020-05-19 | 安徽盛洲汽车部件有限公司 | Air flow meter testing device |
| CN107202625B (en) * | 2017-06-28 | 2020-05-19 | 安徽盛洲汽车部件有限公司 | Air flow meter test system |
| CN108168658A (en) * | 2018-02-06 | 2018-06-15 | 温州鼎程电子科技有限公司 | A kind of calibration facility of automobile air-flow sensor |
| CN108168658B (en) * | 2018-02-06 | 2024-06-07 | 温州鼎程电子科技有限公司 | Calibration equipment of automobile air flow sensor |
| CN109752059A (en) * | 2019-03-05 | 2019-05-14 | 平湖威格博尔电器有限公司 | Air flow rate detecting device and detection method |
| CN110748415A (en) * | 2019-11-23 | 2020-02-04 | 广西玉柴机器股份有限公司 | Engine air blowby quantity fault monitoring device and method capable of being used for whole vehicle |
| CN110748415B (en) * | 2019-11-23 | 2024-03-01 | 广西玉柴机器股份有限公司 | Engine blowby gas fault monitoring device and method capable of being used for whole vehicle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100120 Termination date: 20120306 |