CN101561348A - Method and apparatus for checking automatic transmission - Google Patents
Method and apparatus for checking automatic transmission Download PDFInfo
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- CN101561348A CN101561348A CNA2009101185540A CN200910118554A CN101561348A CN 101561348 A CN101561348 A CN 101561348A CN A2009101185540 A CNA2009101185540 A CN A2009101185540A CN 200910118554 A CN200910118554 A CN 200910118554A CN 101561348 A CN101561348 A CN 101561348A
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- automatic transmission
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Abstract
Provided is a method and an apparatus for checking an automatic transmission with an improved operation efficiency. When an oil pressure of the automatic transmission (10) detected by an oil pressure sensor (11) enters a standard range, comparing the detected oil pressure with a first threshold value and a second threshold value, if the detected oil pressure is less than the first threshold value or larger than the second threshold value, sending a first admonition information to a signal receiving part (3), wherein the first threshold value and the second threshold value are calculated based on the oil pressures of the automatic transmissions (10) of a specified quantity which oil pressure is judged in the standard range before the automatic transmission (10) checked currently.
Description
Technical field
The present invention relates to the testing fixture of the inspection method and the automatic transmission of automatic transmission.
Background technology
At present, disclose in the patent documentation 1 in the technical scheme of checking that whether automatic transmission compares detected value and reference value under the situation of operate as normal.
Patent documentation 1:(Japan) spy opens flat 6-300668 communique
But automatic transmission is assembled a plurality of parts and is constituted, and each part is made based on precise measure respectively.But, a large amount of use when allowing in the sizes larger-size part in part, or a large amount of the use when allowing the less part of size in the size, therefore the detected value difference in each automatic transmission, has certain amplitude as reference value.That is,, so as reference value capping value and lower limit, under detected value enters therebetween situation, judge that this automatic transmission is certified products even qualified automatic transmission also can produce deviation in detected value.
But, the part that uses in the diverse automatic transmission, its accessory size can be slightly different.Therefore, under the situation that is assembled with the slightly different part of accessory size, when carrying out the inspection of automatic transmission, also adopt detected value to enter mode between higher limit and the lower limit.
The automatic transmission that is assembled with such part can be detected when carrying out different performance tests, but has other operation of wasting therebetween, the problem of operating efficiency variation.
Summary of the invention
The present invention makes in order to address the above problem, even its purpose is to provide under the situation in the critical field that a kind of detected value enters reference value, by detecting the automatic transmission that may contain different parts exactly, improves operating efficiency.
The inspection method of automatic transmission of the present invention if the running-active status of automatic transmission then is judged as certified products within the limits prescribed, wherein, possesses: detect operation, it detects the value of the running-active status of expression automatic transmission; First judges operation, and it is judged by detecting the detected value of operation whether in standard value; Set operation, be judged as the detected value of the ormal weight of certified products in its automatic transmission of checking based on the past, set than big first threshold of the lower limit of standard value and second threshold value littler than the higher limit of standard value; Certified products are judged operation, and it is bigger and judge than the little situation of second threshold value and to be certified products than first threshold by detecting the detected value of operation; Operation takes place in warning, and it is little by detecting that the detected value of operation is in the standard value but than first threshold or warn under the big situation than second threshold value.
In addition, the testing fixture of automatic transmission of the present invention if the running-active status of automatic transmission then is judged as certified products within the limits prescribed, wherein, possesses: testing agency, and it detects the value of the running-active status of expression automatic transmission; First decision mechanism, whether it judges by the detected value of testing agency in standard value; Set mechanism is judged as the detected value of the specified quantity of certified products in its automatic transmission of checking based on the past, set than big first threshold of the lower limit of standard value and second threshold value littler than the higher limit of standard value; The certified products decision mechanism, it is bigger and judge than second threshold value little situation and to be certified products than first threshold by the detected value of testing agency; The warning generating mechanism, it is in that detected value is in the standard value but is littler or warn under the big situation than second threshold value than first threshold by testing agency.
According to the present invention, even the value in the expression running-active status enters under the situation in the critical field, by when the value of representing running-active status is littler or bigger than second threshold value than first threshold, warning, for example under the situation of the part that in may being assembled with different types of automatic transmission, uses, by detecting such automatic transmission exactly, can prevent that also such automatic transmission from shifting to other operation, can improve operating efficiency.
Description of drawings
Fig. 1 is the block scheme of the system of expression embodiment of the present invention;
Fig. 2 is the process flow diagram of the system of embodiment of the present invention;
Fig. 3 is the figure that the result that the oil pressure when of the present invention checks has been used in expression.
Description of reference numerals:
1 inspection portion
2 handling parts
3 signal receiving parts
10 automatic transmission
11 oil pressure sensors (testing agency)
Embodiment
Use Fig. 1 that embodiments of the present invention are described.Fig. 1 is the block scheme of system of confirming the action of automatic transmission.
This system possesses: carry out the inspection portion 1 of the confirming operation of automatic transmission 10, receive the signal receiving part 3 of results to the handling part 2 handled by inspection portion 1 detected oil pressure data, from handling part 2.
Inspection portion 1 possesses the oil pressure sensor (testing agency) 11 of the oil pressure (value of expression running-active status) that detects when making automatic transmission 10 actions.Giving, discharging the oil pressure that configures to automatic transmission 10 and switching under the situation of gear, the variation of the oil pressure when inspection portion 1 utilizes oil pressure sensor 11 to detect the oil pressure of each gear and gear to switch.Oil pressure sensor 11 is separately positioned on the necessary position of the action that is used to confirm automatic transmission 10.At this, the automatic transmission 10 with gear is described, but be not limited to have the automatic transmission 10 of speed change retaining, also can check the action of buncher.
Handling part 2 possesses first handling part 12 and second handling part 13.First handling part 12 reads by oil pressure sensor 11 detected oil pressure, judges whether oil pressure enters in predefined standard (first standard) scope.Second handling part 13 judges whether need to check once more automatic transmission 10.First handling part 12 and second handling part 13 do not enter under the situation in the critical field or are judged to be at the oil pressure of automatic transmission 10 and need check once more under the situation of automatic transmission 10, send warning messages to signal receiving part 3.
Signal receiving part 3 receives the warning message of being sent by handling part 2 and shows.Signal receiving part 3 for example is the portable small-sized signal receivers of emergency warning lamp, operating personnel (mobile phone etc.) that are installed on inspection portion 1, the personal computer of management system.Thus, do not enter under the situation in the critical field or automatic transmission 10 is not warned under the situation of regular event at the oil pressure of automatic transmission 10.
Below, the process flow diagram of use Fig. 2 describes the system of present embodiment.
In step S1 (detection operation), make automatic transmission 10 actions, detect the oil pressure at the setting position of automatic transmission 10 by oil pressure sensor 11 in inspection portion 1.
In step S2, detected oil pressure is sent to first handling part 12.
In step S3 (first judges operation), judge by first handling part 12 whether oil pressure is bigger and littler than the higher limit of critical field than the lower limit of critical field.That is, judge whether oil pressure enters in the critical field.Enter step S4 in the time of in oil pressure enters critical field, enter step S8 (step S3 constitutes first decision mechanism) in the time of in oil pressure does not enter critical field.
In step S4 (setting operation), set the first threshold and second threshold value.First threshold is the big and value littler than the higher limit of critical field of lower limit than critical field.In addition, second threshold value is the value bigger and littler than the higher limit of critical field than first threshold.The first threshold and second threshold value be to use the automatic transmission 10 of the specified quantity that becomes certified products in the automatic transmission of having carried out checking 10 oil pressure, utilize the constant times of standard deviation to calculate.In the present embodiment, the mean value from the oil pressure of the automatic transmission 10 of specified quantity deducts 4 times the value (4 σ) of standard deviation and calculates first threshold.In addition, the mean value from the oil pressure of the automatic transmission 10 of specified quantity adds 4 times value of standard deviation and calculates second threshold value.In addition, specified quantity is predefined number (step S4 constitutes set mechanism).
Automatic transmission 10 is made by continuous flow chart, but because the wearing and tearing of the parts that use in the manufacturing installation of the part of manufacturing formation automatic transmission 10 etc., the size of each part of automatic transmission 10 produces the tendency that is caused by manufacturing installation.For example, owing to the wearing and tearing of drill bit, the diameter in the hole of part has the tendency that diminishes in the manufacturing installation of part reaming.In this embodiment, consider this tendency and set the first threshold and second threshold value.That is, take into account the Manufacturing Status of the automatic transmission 10 employed parts of judging before the trade, upgrade the first threshold and second threshold value.Thus, when detected oil pressure changes in critical field, can judge carry out this change be caused by the manufacturing installation of part, still to be assembled with part different with it etc. caused.
In addition, use 4 σ to set the first threshold and second threshold value, but also can on the mean value of the oil pressure of the automatic transmission of specified quantity, add or deduct certain value and calculate the first threshold and second threshold value.In addition, also can when being above standard the higher limit of scope or lower limit, first threshold or second threshold value send warning to signal receiving part 3.
In step S5, oil pressure and first threshold and second threshold value upgraded at step S4 are compared by second handling part 13.And big and than second threshold value under the little situation in the oil pressure ratio first threshold, promptly oil pressure enters under the situation between the first threshold and second threshold value, enters step S6.On the other hand, under situation big under the little situation of oil pressure ratio first threshold or than second threshold value, enter step S7.
In step S5, judge the part that whether in automatic transmission 10, is assembled with different automatic transmission or whether can produce unfavorable condition in the part of part.Be assembled with under the situation of part of other different automatic transmission of specification in the part of the part of automatic transmission 10 or the part of part has under the situation of undesirable condition slightly, though oil pressure also is in the critical field, but in the present embodiment, by, can detect such automatic transmission 10 exactly with oil pressure and first threshold or second threshold ratio.
In step S6 (certified products judgement operation), oil pressure enters between the first threshold and second threshold value, and the oil pressure of automatic transmission 10 is normal, judges that therefore automatic transmission 10 is certified products (step S6 constitutes the certified products decision mechanism).
In step S7, may be assembled with the automatic transmission part of different other of specification in the part of the part of automatic transmission 10, perhaps may be assembled with the part that undesirable condition is arranged slightly, might produce certain unfavorable condition in automatic transmission 10, judging needs to check once more, sends first warning message to signal receiving part 3.
At the signal receiving part 3 that receives first warning message, light emergency warning lamp, on signal receiver etc., show the warning content.By such automatic transmission 10 being checked once more or is carried out overhaul etc., check the part of whether having assembled different other of specification or whether contain the part that a part produces unfavorable condition, carry out the confirming operation of automatic transmission 10.Thus, can make the automatic transmission 10 that does not have substandard products.In addition, can prevent that such automatic transmission 10 from entering other operation, can improve operating efficiency.
In step S3, if judge oil pressure not in critical field, then in step S8, automatic transmission 10 malfunctions are judged to be unacceptable product, send second warning message to signal receiving part 3.Thus, can judge the underproof automatic transmission 10 of judgement.
As mentioned above, may be assembled with under the situation of part of automatic transmission of different other of specification in the part of the part of automatic transmission 10 or may be assembled with under the situation of the part that undesirable condition is arranged slightly, can judge such automatic transmission 10 exactly.
At this, Fig. 3 represents the check result by the detected oil pressure of system of present embodiment.Fig. 3 utilizes oil pressure sensor 11 to detect the oil pressure at regulation position of automatic transmission 10 and the result who handles, and transverse axis is represented the number of automatic transmission 10, and the longitudinal axis is represented oil pressure.A portion in Fig. 3 and B portion, oil pressure enters in the critical field, but oil pressure ratio second threshold value is bigger.In the automatic transmission 10 of this oil pressure of expression, the scope that is above standard for certified products, but the part by judging the automatic transmission may be assembled with different other of specification or may be assembled with the part that undesirable condition is arranged slightly and check once more can be made no inferior automatic transmission 10.
In addition, said method carries out respectively each oil pressure detection position.In addition, in this embodiment, situation to the oil pressure of checking automatic transmission 10 is illustrated, but is not limited to the oil pressure of automatic transmission 10, for example also can be in the inspection of the gear ratio of automatic transmission 10 etc., check in each operation of confirming operation of automatic transmission 10 and use.
Effect to embodiments of the present invention describes.
Detect the oil pressure of automatic transmission 10 by oil pressure sensor 11, enter in the critical field at detected oil pressure, and detected oil pressure ratio first threshold is little or than second threshold value under the big situation, send first warning, thus, in automatic transmission 10, may be assembled with under the situation of the different part of specification or may be assembled with under the situation of part of unfavorable condition, can detect such automatic transmission 10 exactly.In addition, can prevent that such automatic transmission 10 from entering other operation, can improve operating efficiency.
In addition, according to certified products be the oil pressure setting first threshold and second threshold value of the automatic transmission 10 of specified quantity.Thus, under the situation that detected oil pressure changes, can judge that this change is caused, still is to be caused by the part different with it etc. by assembling by the part manufacturing installation in critical field.
The invention is not restricted to above-mentioned embodiment, obviously be included in various changes, the improvement that to carry out in its technological thought scope.
Claims (2)
1, a kind of inspection method of automatic transmission if the running-active status of automatic transmission then is judged as certified products in specialized range, is characterized in that possessing:
Detect operation, this detects the value that operation detects the running-active status of the described automatic transmission of expression;
First judges operation, this first judge the operation judgement by the detected value of described detection operation whether in standard value;
Set operation, be judged as the detected value of the specified quantity of certified products in the automatic transmission that this settings operation was checked based on the past, setting is than big first threshold of the lower limit of described standard value and second threshold value littler than the higher limit of described standard value;
Certified products are judged operation, and these certified products judge that operation is bigger and judge than the little situation of described second threshold value and to be certified products than described first threshold by the detected value of described detection operation;
Operation takes place in warning, this warning generation operation be in by the detected value of described detection operation in the described standard value but than described first threshold little or than the big situation of described second threshold value under warn.
2, a kind of testing fixture of automatic transmission if the running-active status of automatic transmission then is judged as certified products within the limits prescribed, is characterized in that possessing:
The value of the running-active status of the described automatic transmission of expression detects in testing agency, this testing agency;
First decision mechanism, whether this first decision mechanism is judged by the detected value of described testing agency in standard value;
Be judged as the detected value of the specified quantity of certified products in the automatic transmission that set mechanism, this set mechanism were checked based on the past, set than big first threshold of the lower limit of described standard value and second threshold value littler than the higher limit of described standard value,
The certified products decision mechanism, this certified products decision mechanism is bigger and judge than the little situation of described second threshold value and to be certified products than described first threshold by the detected value of described testing agency;
The warning generating mechanism, this warning generating mechanism be in by the detected value of described testing agency in the described standard value but than described first threshold little or than the big situation of described second threshold value under warn.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP107174/08 | 2008-04-16 | ||
| JP2008107174A JP2009257922A (en) | 2008-04-16 | 2008-04-16 | Inspection method for automatic transmission and inspection apparatus for automatic transmission |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101561348A true CN101561348A (en) | 2009-10-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2009101185540A Pending CN101561348A (en) | 2008-04-16 | 2009-03-04 | Method and apparatus for checking automatic transmission |
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| JP (1) | JP2009257922A (en) |
| CN (1) | CN101561348A (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013224916A (en) * | 2012-03-19 | 2013-10-31 | Nsk Ltd | Grinding burn determination device and grinding burn determination method |
| JP2015152503A (en) * | 2014-02-18 | 2015-08-24 | ジヤトコ株式会社 | Inspection system of automatic transmission |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63168531A (en) * | 1986-12-29 | 1988-07-12 | Toyota Motor Corp | Speed change point measuring apparatus for automatic transmission for vehicle |
| JP2827442B2 (en) * | 1990-04-23 | 1998-11-25 | トヨタ自動車株式会社 | Workpiece hole closure detection method |
| JPH07110286A (en) * | 1993-10-08 | 1995-04-25 | Mazda Motor Corp | Actuation judgment method |
| JP2000337842A (en) * | 1999-05-27 | 2000-12-08 | Sekisui Chem Co Ltd | Method and device for inspecting appearance |
| JP3843990B2 (en) * | 2004-08-02 | 2006-11-08 | トヨタ自動車株式会社 | Quality inspection method for endless metal belts |
| JP2006125976A (en) * | 2004-10-28 | 2006-05-18 | Nsk Ltd | Abnormality diagnosis system of mechanical equipment |
| JP4693464B2 (en) * | 2005-04-05 | 2011-06-01 | 株式会社東芝 | Quality control system, quality control method and lot-by-lot wafer processing method |
| JP4444240B2 (en) * | 2006-06-15 | 2010-03-31 | アンリツ産機システム株式会社 | X-ray foreign object detection device |
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2008
- 2008-04-16 JP JP2008107174A patent/JP2009257922A/en active Pending
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2009
- 2009-03-04 CN CNA2009101185540A patent/CN101561348A/en active Pending
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| JP2009257922A (en) | 2009-11-05 |
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Open date: 20091021 |