CN103196414B - Detection tool for electric exhaust gas recirculation (EGR) valve angle transducer - Google Patents
Detection tool for electric exhaust gas recirculation (EGR) valve angle transducer Download PDFInfo
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- CN103196414B CN103196414B CN201310089697.XA CN201310089697A CN103196414B CN 103196414 B CN103196414 B CN 103196414B CN 201310089697 A CN201310089697 A CN 201310089697A CN 103196414 B CN103196414 B CN 103196414B
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- egr valve
- angular transducer
- tooling base
- electric egr
- detected
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- 238000001514 detection method Methods 0.000 title abstract description 13
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 45
- 239000010959 steel Substances 0.000 claims abstract description 45
- 230000001105 regulatory effect Effects 0.000 claims description 11
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 7
- 229910052802 copper Inorganic materials 0.000 claims description 7
- 239000010949 copper Substances 0.000 claims description 7
- 230000004807 localization Effects 0.000 claims description 6
- 230000009466 transformation Effects 0.000 claims description 2
- 239000007789 gas Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 5
- 239000002912 waste gas Substances 0.000 description 4
- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- RZVAJINKPMORJF-UHFFFAOYSA-N Acetaminophen Chemical compound CC(=O)NC1=CC=C(O)C=C1 RZVAJINKPMORJF-UHFFFAOYSA-N 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000003134 recirculating effect Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Indication Of The Valve Opening Or Closing Status (AREA)
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
Abstract
The invention discloses a detection tool for an electric exhaust gas recirculation (EGR) valve angle transducer. The detection tool for the electric EGR valve angle transducer comprises a tool base, a platform, magnetic steel, an adjusting device and a vertical type rapid clamp, wherein the platform is used for arranging the electric EGR valve angle transducer to be detected, the magnetic steel is matched with the electric EGR valve angle transducer, and the adjusting device is used for positioning the magnetic steel and adjusting magnetic steel angles. Standard angle scales are marked on the tool base. The detection tool for the electric EGR valve angle transducer is simple in structure, convenient to operate and capable of rapidly and accurately detecting the electric EGR valve angle transducer to be detected and work efficiency is improved.
Description
Technical field
The present invention relates to a kind of detection frock, particularly a kind of detection frock for detecting electric EGR valve angular transducer.
Background technology
Engine exhaust-gas recirculating system (abbreviation egr system) is for reducing the discharge rate of nitrogen oxide in waste gas, when its function mode refers to and operates under engine load, EGR valve is opened, a small amount of waste gas that engine is discharged is transmitted back to inlet manifold, and enters cylinder again burn together with fresh combustion mixture.Its principle is, utilizes a large amount of CO contained in waste gas
2, and CO
2can not burn and but can absorb a large amount of heat, the temperature of combustion of combination gas in cylinder is reduced, thus reduce the growing amount of NOx, reduce exhaust pollution.
EGR valve in egr system is mainly used in the flow of regulable control EGR gas, electric EGR valve is by the aperture size of inner DC MOTOR CONTROL air intake opening, thus adjustment exhaust gas flow, return cylinder after waste gas is mixed by a certain percentage with fresh air and carry out recycle, to reduce combustor inner cylinder temperature and burning rate, reduce the discharge capacity of NOx further.For pneumatic EGR valve, electric EGR valve has fast response time, runs more stable feature, and electric EGR valve can also solve the difficult problem that some vehicle does not have vacuum source, therefore applies comparatively extensive.
Electric EGR valve is one and installs and be used for the electromechanical integrated product of the amount of exhaust gas recirculation controlling to feed back to gas handling system on a diesel engine, and angular transducer is exactly the regulation and control product for controlling EGR valve aperture on electric EGR valve.Because electric EGR valve needs reliable and stable to complete EGR valve aperture, and the angular transducer on electric EGR valve is just used to the vitals testing and control EGR valve aperture, so the signal that electric EGR valve angular transducer exports directly reflects the aperture of electric EGR valve.
The method of detection electric EGR valve angular transducer conventional is at present installed on electric EGR valve by angular transducer to detect.During detection, electric EGR valve driven wheel rotates, and the magnet steel that the gear meeting driven gear simultaneously rotated is installed rotates, and such magnet steel will rotate an angle, thus changes the aperture of electric EGR valve; Then the actual aperture of electric EGR valve is measured, and the adjusting angle that measurement result and angular transducer export is compared; When the two is consistent, illustrate that angular transducer performance meets the demands; When difference when therebetween exceedes the error range of regulation, illustrate that angular transducer is defective.Therefore be the rationality of guarantee angular transducer detection and accuracy in whole testing process, need the anglec of rotation constantly changing magnet steel, and then also just need the actual aperture constantly measuring electric EGR valve, and the angle value constantly exported with angular transducer is compared, not only time and effort consuming, work efficiency are lowly, and when needing to change angular transducer to be detected, also need repeated disassembled and assembled on electric EGR valve, very easily damage electric EGR valve, cause unnecessary waste.
Summary of the invention
The technical matters that the present invention solves is to provide simple, the easy to operate electric EGR valve angular transducer of a kind of structure and detects frock, to improve the work efficiency of detection angles sensor, reduces testing cost.
For solving the problems of the technologies described above, the technical solution used in the present invention is as follows.
Electric EGR valve angular transducer detects frock, comprise tooling base, tooling base is fixedly connected with the platform of placement electric EGR valve angular transducer to be detected by three support columns be vertically set on tooling base, described tooling base is also provided with for locating the magnet steel that is equipped with mutually with electric EGR valve angular transducer to be detected and according to the standard angle scale that tooling base marks, magnet steel being carried out to the regulating device of angular transformation;
Described platform comprises and is fixedly connected on support column top and the back up pad being parallel to tooling base, and the working plate placing electric EGR valve angular transducer to be detected is installed in the top of back up pad by working plate locating shaft; In described working plate and back up pad, the position corresponding to electric EGR valve angular transducer to be detected is provided with and places magnet steel and can the through hole of confession magnet steel translation-angle; Described regulating device is arranged on the tooling base below through hole.
The concrete structure of regulating device of the present invention is: described regulating device comprises the location copper sheathing be vertically set in tooling base, be fitted with turning axle perpendicular to tooling base in the copper sheathing of location, the top of turning axle is provided with positioning magnetic steel and the magnet steel stationary shaft be equipped with mutually with magnet steel; The bottom of described turning axle is fixedly connected with one along the rocking bar of Plane Rotation on tooling base, and the other end of rocking bar points to the standard angle scale on tooling base.
Improvement of the present invention is: position corresponding to standard angle scale on described tooling base is provided with the circular hole to lower recess, and the movable end of described rocking bar is provided with the pin-and-hole corresponding to circular hole, is located between described pin-and-hole and circular hole by register pin.
Further improvement of the present invention is: described tooling base is also provided with the erecting frame perpendicular to tooling base, and the top of erecting frame is fixedly connected with one for extruding the rectilinear quick-speed jigs of electric EGR valve angular transducer to be detected.
Improvement of the present invention is: described working plate is provided with two for electric EGR valve angular transducer to be detected being navigated to the sensor localization axle of zero degree.
Owing to have employed above technical scheme, the invention technological progress is as follows.
Structure of the present invention is simple, easy to operate, can detect rapidly and accurately, improve work efficiency to electric EGR valve angular transducer to be detected.The present invention can also carry out the detection of different model electric EGR valve angular transducer by changing working plate, magnet steel and magnet steel stationary shaft, highly versatile.The circular hole that standard angle graduation position is arranged and the pin-and-hole that rocking bar movable end is arranged, be used in rocking bar to position to during appointment detection angles, when ensure that reading angular sensor output value, the stability of magnet steel position, avoids the angle due to magnet steel uncertain and causes the existence of metrical error.
The setting of rectilinear quick-speed jigs, for electric EGR valve angular transducer to be detected is pressed on working plate securely, prevents from occurring metrical error owing to causing angular transducer to rock by extraneous factor in testing process.The sensor localization axle that working plate is arranged, for electric EGR valve angular transducer to be detected is navigated to zero degree, makes testing process very clear, without the need to calculating, greatly can improve detection efficiency.
Accompanying drawing explanation
Fig. 1 is front view of the present invention.
Fig. 2 is the vertical view of Fig. 1.
Wherein: 1, tooling base, 2, erecting frame fixed screw, 3, erecting frame, 4, fixture fixed screw, 5, rectilinear quick-speed jigs, 6, support column, 7, magnet steel stationary shaft, 8, turning axle, 9, location copper sheathing, 10, rocking bar fixed screw, 11, rocking bar, 12, register pin, 13, back up pad, 13-1, working plate locating shaft, 14, working plate, 14-1, sensor localization axle, 15, magnet steel, 16, electric EGR valve angular transducer to be detected.
Embodiment
Below in conjunction with specific embodiments and the drawings, the present invention is further elaborated.
A kind of electric EGR valve angular transducer detects frock, and its structure as depicted in figs. 1 and 2.Comprise tooling base 1, place the platform of electric EGR valve angular transducer 16 to be detected, the magnet steel 15 matched with electric EGR valve angular transducer 16 to be detected, regulate the regulating device of magnet steel angle and rectilinear quick-speed jigs 5 for positioning magnetic steel, tooling base subscript is marked with standard angle scale.
Described platform, for placing electric EGR valve angular transducer 16 to be detected, comprises and is arranged on back up pad 13 above tooling base and working plate 14.Wherein back up pad 13 is fixedly installed on tooling base by three support columns 6, and three support columns are arranged perpendicular to tooling base; Back up pad is fixedly connected on support column top and parallel with tooling base.Back up pad 13 is fixedly connected with two working plate locating shaft 13-1, working plate 14 is installed on the supporting plate by two working plate locating shaft 13-1, for placing the to be detected electric EGR valve angular transducer equipped mutually with working plate.Working plate 14 is also provided with two sensor localization axle 14-1, for electric EGR valve angular transducer to be detected is navigated to zero degree, ensures the consistance of electric EGR valve angular transducer initial position to be detected further, for testing process is provided convenience.
Described working plate 14 and back up pad 13 are provided with through hole to the corresponding position of electric EGR valve angular transducer to be detected, and magnet steel 15 is positioned at this through hole; Regulating device is arranged on the tooling base 1 below through hole, regulates the anglec of rotation of magnet steel for positioning magnetic steel.
Tooling base 1 is provided with the erecting frame 3 perpendicular to tooling base by erecting frame fixed screw 2, rectilinear quick-speed jigs 5 is arranged on the top of erecting frame 3 by fixture fixed screw 4, for when detecting, electric EGR valve angular transducer 16 to be detected is pressed on working plate 14.
Regulating device comprises magnet steel stationary shaft 7, turning axle 8, location copper sheathing 9 and rocking bar 11, and location copper sheathing 9 is vertically set in tooling base 1, is equipped with mutually with the bottom of turning axle; Magnet steel stationary shaft 7 is assemblied in the top of turning axle 8, for mounting magnetic steel.Rocking bar 11 is fixedly connected on the bottom of turning axle 8 by rocking bar fixed screw 10, and can along Plane Rotation on tooling base 1, and the other end of rocking bar points to the standard angle scale on tooling base.
Position corresponding to standard angle scale on tooling base 1 is provided with the circular hole to lower recess, the movable end of rocking bar 11 is provided with the pin-and-hole corresponding to circular hole, located by register pin 12 between pin-and-hole and circular hole, for making rocking bar point to fixing angle, namely this angle is the angle that magnet steel rotates.
Principle of work of the present invention is as described below:
First select working plate 14 equipped mutually with it, magnet steel 15 according to electric EGR valve angular transducer to be detected and place the magnet steel stationary shaft 7 of magnet steel.
Secondly, magnet steel stationary shaft 7 is arranged on the top of turning axle 8, working plate 14 is arranged in back up pad 13 by working plate locating shaft 13-1, then electric EGR valve angular transducer to be detected is arranged on working plate 14, and be located at initial zero degree position by sensor localization axle 14-1.Then, rectilinear quick-speed jigs 5 is regulated to be pressed on working plate 14 by electric EGR valve angular transducer to be detected.
After ready, stir rocking bar 11 according to testing requirement, when the movable end of rocking bar points to the master scale position of tooling base 1 mark, register pin is passed the pin-and-hole of rocking bar and falls in the circular hole of this standard angle scale, rocking bar is located.In the process of stirring rocking bar 11, turning axle 8 rotates thereupon together, and the magnet steel 15 being positioned at turning axle top also rotates respective angles thereupon.
Finally, by electric EGR valve angular transducer energising to be detected, the angle Drazin inverse angle value that angular transducer just can rotate according to magnet steel; Then the standard angle scale in this output valve and tool base plate is compared, just can judge that whether electric EGR valve angular transducer to be detected is qualified.
When needing the angular transducer detecting other models, only need change corresponding working plate 14, magnet steel 15 and magnet steel stationary shaft 7, convenient and practical, versatility is extremely strong.
Claims (5)
1. an electric EGR valve angular transducer detects frock, it is characterized in that: comprise tooling base (1), tooling base (1) is fixedly connected with the platform of placement electric EGR valve angular transducer to be detected by three support columns (6) be vertically set on tooling base, described tooling base is also provided with for locating the magnet steel (15) that is equipped with mutually with electric EGR valve angular transducer to be detected and according to the standard angle scale that tooling base marks, magnet steel being carried out to the regulating device of angular transformation;
Described platform comprises and is fixedly connected on support column top and the back up pad (13) being parallel to tooling base, and the working plate (14) placing electric EGR valve angular transducer to be detected is installed in the top of back up pad (13) by working plate locating shaft (13-1); Described working plate (14) and the upper position corresponding to electric EGR valve angular transducer to be detected of back up pad (13) are provided with places magnet steel and the through hole that can supply magnet steel translation-angle; Described regulating device is arranged on the tooling base (1) below through hole.
2. electric EGR valve angular transducer according to claim 1 detects frock, it is characterized in that: described regulating device comprises the location copper sheathing (9) be vertically set in tooling base (1), be fitted with the turning axle (8) perpendicular to tooling base in location copper sheathing (9), the top of turning axle (8) is provided with positioning magnetic steel and the magnet steel stationary shaft (7) be equipped with mutually with magnet steel; The bottom of described turning axle (8) is fixedly connected with one along the rocking bar (11) of the upper Plane Rotation of tooling base (1), and the other end of rocking bar points to the standard angle scale on tooling base.
3. electric EGR valve angular transducer according to claim 2 detects frock, it is characterized in that: the upper position corresponding to standard angle scale of described tooling base (1) is provided with the circular hole to lower recess, the movable end of described rocking bar (11) is provided with the pin-and-hole corresponding to circular hole, is located between described pin-and-hole and circular hole by register pin (12).
4. the electric EGR valve angular transducer according to any one of claims 1 to 3 detects frock, it is characterized in that: described tooling base (1) is also provided with the erecting frame (3) perpendicular to tooling base, the top of erecting frame (3) is fixedly connected with one for extruding the rectilinear quick-speed jigs (5) of electric EGR valve angular transducer (16) to be detected.
5. electric EGR valve angular transducer according to claim 4 detects frock, it is characterized in that: described working plate (14) is provided with two for electric EGR valve angular transducer to be detected being navigated to the sensor localization axle (14-1) of zero degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310089697.XA CN103196414B (en) | 2013-03-20 | 2013-03-20 | Detection tool for electric exhaust gas recirculation (EGR) valve angle transducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310089697.XA CN103196414B (en) | 2013-03-20 | 2013-03-20 | Detection tool for electric exhaust gas recirculation (EGR) valve angle transducer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103196414A CN103196414A (en) | 2013-07-10 |
| CN103196414B true CN103196414B (en) | 2015-05-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310089697.XA Active CN103196414B (en) | 2013-03-20 | 2013-03-20 | Detection tool for electric exhaust gas recirculation (EGR) valve angle transducer |
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| Country | Link |
|---|---|
| CN (1) | CN103196414B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103394830A (en) * | 2013-07-26 | 2013-11-20 | 成都陵川特种工业有限责任公司 | Exhaust manifold connecting support correcting tool with compacting plate |
| CN105290656A (en) * | 2015-10-20 | 2016-02-03 | 成都长迪传感技术有限公司 | Sensor welding table |
| CN106737181B (en) * | 2017-01-19 | 2019-01-22 | 威海威硬工具股份有限公司 | Numerically-controlled machine tool automation clamp |
| CN117516365B (en) * | 2023-11-03 | 2024-10-22 | 武汉光谷航天三江激光产业技术研究院有限公司 | ANSYS simulation-based angle sensor fuzzy calibration method and system |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101625229A (en) * | 2009-08-18 | 2010-01-13 | 宁波市北仑机械电器有限公司 | Pointer type angular displacement sensor |
| CN202360874U (en) * | 2011-04-28 | 2012-08-01 | 吴昊天 | High precision and non-contact type foot brake valve applied opening sensor |
| CN202547592U (en) * | 2012-04-11 | 2012-11-21 | 武汉神动汽车电子电器有限公司 | Automotive magnetic induction position sensor |
| CN203148418U (en) * | 2013-03-20 | 2013-08-21 | 无锡隆盛科技股份有限公司 | Electric EGR valve angle sensor detection tool |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH116706A (en) * | 1997-06-17 | 1999-01-12 | Toshiba Corp | Angle indexing jig |
| US7302940B2 (en) * | 2005-09-26 | 2007-12-04 | Cummins, Inc | Variable reluctance position sensor |
-
2013
- 2013-03-20 CN CN201310089697.XA patent/CN103196414B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101625229A (en) * | 2009-08-18 | 2010-01-13 | 宁波市北仑机械电器有限公司 | Pointer type angular displacement sensor |
| CN202360874U (en) * | 2011-04-28 | 2012-08-01 | 吴昊天 | High precision and non-contact type foot brake valve applied opening sensor |
| CN202547592U (en) * | 2012-04-11 | 2012-11-21 | 武汉神动汽车电子电器有限公司 | Automotive magnetic induction position sensor |
| CN203148418U (en) * | 2013-03-20 | 2013-08-21 | 无锡隆盛科技股份有限公司 | Electric EGR valve angle sensor detection tool |
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| CN103196414A (en) | 2013-07-10 |
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