CN209372162U - Air flow rate detecting device - Google Patents
Air flow rate detecting device Download PDFInfo
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- CN209372162U CN209372162U CN201920275551.7U CN201920275551U CN209372162U CN 209372162 U CN209372162 U CN 209372162U CN 201920275551 U CN201920275551 U CN 201920275551U CN 209372162 U CN209372162 U CN 209372162U
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- air
- air import
- connecting tube
- air flow
- flow rate
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Abstract
The utility model discloses a kind of air flow rate detecting devices, including vacuum pump, the first connecting tube, the second connecting tube, calibration facility and air import modul；The air import modul, the second connecting tube, the calibration facility, first connecting tube and the vacuum pump are sequentially connected and form the structure of internal run-through；The air import modul includes the first air import unit and the second air import unit, and the first air import unit mutually concatenates the structure for forming and being formed internal run-through with the second air import unit.Air flow rate detecting device provided by the utility model, it concatenates to form air import modul using multiple air import units, multiple products is detected simultaneously to realize, the product to different flow is being needed to carry out sensing chamber, detection time is effectively shortened, detection efficiency is improved.
Description
Technical field
The utility model relates to detection device engine manufacturing technology field more particularly to a kind of air stream amount detection devices
It sets.
Background technique
Air flow rate detecting device is one of important detection device of EFI engine.It turns the air mass flow of sucking
Electric signal is changed into send to electronic control unit (ECU, Electronic Control Unit), as determine oil spout baseband signal it
One, it is the detection device of the air mass flow of measurement sucking engine.Air flow rate detecting device in the prior art, such as Fig. 1 institute
Show, which includes protective net 11, probe tube 12, platinum heat supply network 13, thermo-compensator 14, control circuit board 15 and electricity
Connector 16.This air flow rate detecting device in the prior art can only realize the detection of single product, and to single hair
Motivation is controlled, and when needing the product to multiple and different flows to detect, needs successively to carry out, and detection time is long, inspection
Survey low efficiency.If any a kind of air flow rate detecting device, the product of multiple and different flows can be detected simultaneously, will greatly be contracted
Short detection time improves detection efficiency.
Utility model content
The purpose of the utility model is to provide a kind of air streams that can be detected simultaneously to the product of multiple and different flows
Amount detecting device.Air flow rate detecting device provided by the utility model, including vacuum pump, the first connecting tube, the second connection
Pipe, calibration facility and air import modul；The air import modul, the second connecting tube, the calibration facility, described first connect
Adapter tube and the vacuum pump are sequentially connected and form the structure of internal run-through；The air import modul is imported including the first air
Unit and the second air import unit, the first air import unit mutually concatenate with the second air import unit and form and formed
The structure of internal run-through.
The air import modul is "-" type or U-shaped.This air flow rate detecting device provided by the utility model,
The first air import unit, including the first air flow meter and the first air inlet steady flow pipe；Second air imports single
Member, including the second air flow meter and the second air inlet steady flow pipe；The second air inlet steady flow pipe, second air mass flow
Meter, the first air inlet steady flow pipe, first air flow meter and second connecting tube are sequentially connected and form inside
The structure of perforation.
Utility model multiple-unit air flow meter detection device provided by the utility model is imported single using multiple air
Member concatenation forms air import modul, detects simultaneously to multiple products to realize, is needing the product to different flow
Sensing chamber is carried out, detection time is effectively shortened, improves detection efficiency.
Detailed description of the invention
Fig. 1 is air mass flow monitoring device structural schematic diagram in the prior art；
Fig. 2 is the air mass flow monitoring device knot that air import modul described in the utility model embodiment one is "-" type
Structure schematic diagram；
Fig. 3 is the air mass flow monitoring device knot that air import modul described in the utility model embodiment two is U-shaped
Structure schematic diagram.
Specific embodiment
It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Based on the implementation in the utility model
Example, every other embodiment obtained by those of ordinary skill in the art without making creative efforts belong to
The range of the utility model protection.
Embodiment one
As shown in Fig. 2, the present embodiment provides a kind of air flow rate detecting device, including vacuum pump 21, the first connecting tube 22,
Second connecting tube 24, calibration facility 23 and air import modul；The air import modul, the second connecting tube 24, the calibration
Equipment 23, first connecting tube 22 and the vacuum pump 21 are sequentially connected and form the structure of internal run-through；It is characterized in that,
The air import modul include the first air import unit and the second air import unit, the first air import unit and
Second air import unit mutually concatenates the structure for forming and being formed internal run-through.
It will be understood by those skilled in the art that the vacuum pump 21 is for detecting air mass flow provided by the present embodiment
Device forms inside and outside air pressure difference, to direct outside air into inside the air flow rate detecting device.
The calibration facility 23 is defeated for carrying out calibration measurement to the air mass flow of importing and air flow rate signal being converted to electric signal
Out.
It will be understood by those skilled in the art that the first air import unit and the second air import unit can be used respectively
In the air draught for importing different flow, the product of different flow is detected simultaneously to realize, thus when reducing detection
Between, improve detection efficiency.
The air import modul is "-" type.The first air import unit, including 25 He of the first air flow meter
First air inlet steady flow pipe 26；The second air import unit, including the second air flow meter 27 and the second air inlet current stabilization
Pipe 28；It is the second air inlet steady flow pipe 28, second air flow meter 27, the first air inlet steady flow pipe 26, described
First air flow meter 25 and second connecting tube 24 are sequentially connected and form the structure of internal run-through.
It will be understood by those skilled in the art that first air flow meter 25 is for detecting the first air inlet current stabilization
The air mass flow that pipe 26 exports, second air flow meter 27 are used to detect the sky that the second air inlet steady flow pipe 28 exports
Throughput, to detect and control the air mass flow of each air import unit.
First air flow meter 25 and the second air flow meter 27 are tubular structure and have the same diameter.This
Field technical staff is appreciated that when the diameter of pipeline is identical, the air import unit air mass flow having the same, from
And it can realize the more a product and carry out while detecting.
It will be understood by those skilled in the art that the air import modul can also include third air import unit, the
Multiple air import units such as four air import units simultaneously detect the air mass flow of more products to realize.
Embodiment two
As shown in figure 3, the present embodiment provides a kind of air flow rate detecting device, including vacuum pump 31, the first connecting tube 32,
Second connecting tube 34, calibration facility 33 and air import modul；The air import modul, the second connecting tube 34, the calibration
Equipment 33, first connecting tube 32 and the vacuum pump 31 are sequentially connected and form the structure of internal run-through；It is characterized in that,
The air import modul include the first air import unit and the second air import unit, the first air import unit and
Second air import unit mutually concatenates the structure for forming and being formed internal run-through.
It will be understood by those skilled in the art that the vacuum pump 31 is for detecting air mass flow provided by the present embodiment
Device forms inside and outside air pressure difference, to direct outside air into inside the air flow rate detecting device.
The calibration facility 33 is defeated for carrying out calibration measurement to the air mass flow of importing and air flow rate signal being converted to electric signal
Out.
It will be understood by those skilled in the art that the first air import unit and the second air import unit can be used respectively
In the air draught for importing different flow, the product of different flow is detected simultaneously to realize, thus when reducing detection
Between, improve detection efficiency.
The air import modul is U-shaped.
The first air import unit, including the first air flow meter 35 and the first air inlet steady flow pipe 36；Described
Two air import units, including the second air flow meter 37 and the second air inlet steady flow pipe 38；The second air inlet steady flow pipe
38, second air flow meter 37, the first air inlet steady flow pipe 36, first air flow meter 35 and described second
Connecting tube 34 is sequentially connected and forms the structure of internal run-through.
It will be understood by those skilled in the art that first air flow meter 35 is for detecting the first air inlet current stabilization
The air mass flow that pipe 36 exports, second air flow meter 37 are used to detect the sky that the second air inlet steady flow pipe 38 exports
Throughput, to detect and control the air mass flow of each air import unit.
First air flow meter 35 and the second air flow meter 37 are tubular structure and have the same diameter.This
Field technical staff is appreciated that when the diameter of pipeline is identical, the air import unit air mass flow having the same, from
And it can realize the more a product and carry out while detecting.
It will be understood by those skilled in the art that the air import modul can also include third air import unit, the
Multiple air import units such as four air import units simultaneously detect the air mass flow of more products to realize.
Finally, it should be noted that above embodiments are only to illustrate the technical solution of the utility model, rather than its limitations；
Although the utility model is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that:
It is still possible to modify the technical solutions described in the foregoing embodiments, or part of technical characteristic is carried out etc.
With replacement；And these are modified or replaceed, various embodiments of the utility model technology that it does not separate the essence of the corresponding technical solution
The spirit and scope of scheme.
Claims (5)
1. a kind of air flow rate detecting device, it is characterised in that: set including vacuum pump, the first connecting tube, the second connecting tube, calibration
Standby and air import modul；The air import modul, the second connecting tube, the calibration facility, first connecting tube and institute
State the structure that vacuum pump is sequentially connected and forms internal run-through；The air import modul includes the first air import unit and the
Two air import units, the first air import unit and the second air import unit, which mutually concatenate, to be formed and forms internal run-through
Structure.
2. air flow rate detecting device as described in claim 1, it is characterised in that: the air import modul is "-" type.
3. air flow rate detecting device as described in claim 1, it is characterised in that: the air import modul is U-shaped.
4. air flow rate detecting device as claimed in claim 2 or claim 3, it is characterised in that: the first air import unit, packet
Include the first air flow meter and the first air inlet steady flow pipe；The second air import unit, including the second air flow meter and
Second air inlet steady flow pipe；The second air inlet steady flow pipe, second air flow meter, the first air inlet current stabilization
Pipe, first air flow meter and second connecting tube are sequentially connected and form the structure of internal run-through.
5. air flow rate detecting device as claimed in claim 4, it is characterised in that: first air flow meter and the second sky
Air-flow meter is tubular structure and has the same diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920275551.7U CN209372162U (en) | 2019-03-05 | 2019-03-05 | Air flow rate detecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920275551.7U CN209372162U (en) | 2019-03-05 | 2019-03-05 | Air flow rate detecting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209372162U true CN209372162U (en) | 2019-09-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920275551.7U Active CN209372162U (en) | 2019-03-05 | 2019-03-05 | Air flow rate detecting device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
-
2019
- 2019-03-05 CN CN201920275551.7U patent/CN209372162U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
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