CN102269563A - Position detecting device for gearshift lever and shift control device for automatic transmission - Google Patents

Position detecting device for gearshift lever and shift control device for automatic transmission Download PDF

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Publication number
CN102269563A
CN102269563A CN2011101223130A CN201110122313A CN102269563A CN 102269563 A CN102269563 A CN 102269563A CN 2011101223130 A CN2011101223130 A CN 2011101223130A CN 201110122313 A CN201110122313 A CN 201110122313A CN 102269563 A CN102269563 A CN 102269563A
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Prior art keywords
shift
shift lever
signal
described electric
scope
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CN2011101223130A
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Chinese (zh)
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石坂浩一
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Bosch Corp
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Bosch Corp
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H59/00—Control inputs to control units of change-speed-, or reversing-gearings for conveying rotary motion
    • F16H59/02—Selector apparatus
    • F16H59/08—Range selector apparatus
    • F16H59/10—Range selector apparatus comprising levers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K20/00—Arrangement or mounting of change-speed gearing control devices in vehicles
    • B60K20/02—Arrangement or mounting of change-speed gearing control devices in vehicles of initiating means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H59/00—Control inputs to control units of change-speed-, or reversing-gearings for conveying rotary motion
    • F16H59/02—Selector apparatus
    • F16H59/08—Range selector apparatus
    • F16H59/10—Range selector apparatus comprising levers
    • F16H59/105—Range selector apparatus comprising levers consisting of electrical switches or sensors

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Arrangement Or Mounting Of Control Devices For Change-Speed Gearing (AREA)
  • Control Of Transmission Device (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)

Abstract

The invention provides a position detecting device for detecting the selection position and the gearshift position of a gearshift lever by utilizing a hall element. Meanwhile, the determination of the gearshift mode is not performed inside a gearshift lever unit. The output of the hall element (2) is decided according to the voltage signal of the selection position of the gearshift lever and the voltage signal of the gearshift position. The determination part (5) of the TCU (4) determines the position of the gearshift lever based on the voltage signal of the selection position of the gearshift lever and the voltage signal of the gearshift position. Then the speed-variable control signal output part (7) of the TCU (4) outputs the speed-variable control signal of the automatic transmission (3) according to the position of the gearshift level determined by the determination part (5).

Description

The position detecting device of shift lever and the speed-change control device of automatic transmission
Technical field
The present invention relates to detect for the speed Control of carrying out automatic transmission operated shift lever the position shift lever position detecting device and use the technical field of speed-change control device of automatic transmission of the position detecting device of this shift lever.
Background technology
In the prior art, in being equipped with the vehicle of automatic transmission, shift lever is operated along choice direction with the gear shift direction of this choice direction quadrature, thus, set the shift mode of automatic transmission, and, with the shift mode that sets automatic transmission is carried out speed Control.In this case, shift lever is judged shift mode according to the position of the position of choice direction and gear shift direction in shift lever unit (CLU:Change Lever Unit).Then, automatic transmission utilizes the electronic-controlled installation (TCU:Transmission Control Unit) of automatic transmission to carry out speed Control, is set at the shift mode of judging in CLU.
In the prior art, position detecting device as the shift lever of the position of the position of the choice direction that detects shift lever and gear shift direction, proposed to detect the position detecting device (for example, with reference to patent documentation 1) of shift lever of each position of shift lever by the optical chopper that sets along choice direction and gear shift direction respectively.Then, the shift mode of being set by shift lever is assert in the position of the gear shift direction that detects based on the position of the choice direction that is detected by the optical chopper of choice direction with by the optical chopper of gear shift direction.
Patent documentation 1: TOHKEMY 2004-175195 communique.
Summary of the invention
, about the data communication in the control system of existing vehicle, general most employing CAN communication or LIN communication., if utilize these CAN communication or LIN communication to come the signal of the position of the shift lever that detected by aforesaid optical chopper is exchanged, so, and wiring or adjust the trouble that becomes, these operations costs are artificial.In addition, under the situation of change shift mode, be necessary to make according to this change the quantity increase and decrease of optical chopper, operating efficiency will descend.
So, consider to use Hall element, to replace optical chopper.In this case, by this Hall element side by side with the position of the choice direction of voltage detecting shift lever and the position of gear shift direction, and, in CLU, this testing result is judged shift mode with pre-prepd threshold ratio accordingly with each position respectively, export the open and close signal of the shift mode judged to TCU from CLU., in this case, if change shift mode according to vehicle etc., so, be necessary to revise each threshold value in the CLU according to the change of shift mode, revise the operation trouble that becomes, similarly operating efficiency will descend.
The present invention makes in view of such situation, its objective is, provide the position detecting device of such shift lever and the speed-change control device of automatic transmission: can use Hall element to detect the position of choice direction of shift lever and the position of gear shift direction, simultaneously, can in the shift lever unit, not carry out the judgement of shift mode.
In order to solve aforesaid problem, the position detecting device of shift lever of the present invention possesses: Hall element, and output is according to the electric chosen position signal of the position of the choice direction of shift lever with according to the electric shift pattern signal of the position of the gear shift direction of described shift lever; With Electronic Control portion, position based on the gear shift direction of the position of the choice direction of judging described shift lever from the described electric chosen position signal of described Hall element output and described electric shift pattern signal and described shift lever, wherein, described Electronic Control portion has: storer stores the mapping of relation of position of the gear shift direction of the position of choice direction of the scope of the scope that preestablishes described electric chosen position signal and described electric shift pattern signal and described shift lever and described shift lever; And detection unit, based on described electric chosen position signal and described electric shift pattern signal, judge the position of described shift lever according to the scope of the scope of the described electric chosen position signal of setting by described mapping and described electric shift pattern signal from the output of described Hall element.
In addition, the position detecting device of shift lever of the present invention is characterised in that described electric chosen position signal and described electric shift pattern signal all are voltage signals.
And the speed-change control device of automatic transmission of the present invention possesses: Hall element, and output is according to the electric chosen position signal of the position of the choice direction of shift lever with according to the electric shift pattern signal of the position of the gear shift direction of described shift lever; With Electronic Control portion, based on the position of judging described shift lever from the described electric chosen position signal of described Hall element output and described electric shift pattern signal, and, based on the position of the described shift lever of being judged and automatic transmission is carried out speed Control, wherein, described Electronic Control portion has: storer stores the mapping of relation of position of the gear shift direction of the position of choice direction of the scope of the scope that preestablishes described electric chosen position signal and described electric shift pattern signal and described shift lever and described shift lever; Detection unit, based on described electric chosen position signal and described electric shift pattern signal, judge the position of described shift lever according to the scope of the scope of the described electric chosen position signal of setting by described mapping and described electric shift pattern signal from the output of described Hall element; And speed Control signal efferent, export the speed Control signal to automatic transmission based on the position of the described shift lever of judging by described detection unit.
And the speed-change control device of automatic transmission of the present invention is characterised in that described electric chosen position signal and described electric shift pattern signal all are voltage signals.
According to the position detecting device of the shift lever of the present invention of such formation, by Hall element the position of shift lever is detected with the electric signal value, this electric signal value is exported to the detection unit of Electronic Control portion.Then, detection unit is assert gear shift direction that shift lever is positioned at and two scopes of choice direction based on this electric signal value, and, compare with each scope of being assert with by the relation of the position of two scopes of predefined gear shift direction of the mapping in the storer that is stored in Electronic Control portion and choice direction and shift lever, thus, judge the position of shift lever.So, can in Electronic Control portion, judge the position of shift lever, can not need in shift lever unit (CLU), judge the position of shift lever.Thus, even change shift mode according to vehicle etc., as long as only change is stored in the numerical value of the mapping in the storer of Electronic Control portion, just can be by the change of this shift mode reliably and corresponding neatly.In addition, in the change of shift mode, the operation of seeking optimum value by adjustment also can be corresponding reliably by the decision content of change Electronic Control portion side.Like this, the correction operation that the change of shift mode causes becomes simply, can improve operating efficiency.
In addition, speed-change control device according to automatic transmission of the present invention, owing to possess the position detecting device of shift lever of the present invention, even thereby, also can in Electronic Control portion, judge this shift mode simply owing to vehicle etc. causes the shift mode of automatic transmission different variedly.So, can be easily and different variedly with shift mode neatly automatic transmission corresponding, and it is further simple that speed Control becomes.
Description of drawings
Fig. 1 is the block diagram of speed-change control device of automatic transmission of an example that shows the embodiment of the position detecting device possess shift lever of the present invention.
Fig. 2 is the figure of shift mode that shows the speed-change control device of automatic transmission of the present invention.
Fig. 3 is the figure of mapping that shows the relation of two scopes of gear shift direction and choice direction and gear.
Embodiment
Below, use accompanying drawing, describe being used to implement mode of the present invention.
Fig. 1 is the block diagram of speed-change control device of automatic transmission of an example that shows the embodiment of the position detecting device possess shift lever of the present invention, and Fig. 2 is the figure of shift mode that shows the speed-change control device of automatic transmission of the present invention.
As shown in Figure 1, the speed-change control device 1 of automatic transmission possesses the Electronic Control portion (TCU) 4 of Hall element 2 and automatic transmission 3.In addition, TCU 4 has detection unit 5, storer 6 and speed Control signal efferent 7.So, constitute the position detecting device 8 of shift lever by Hall element 2, detection unit 5 and storer 6.
As shown in Figure 2, the shift mode of the speed-change control device 1 of the automatic transmission of this example has 6 gear P of shift lever 1, P 2, P 3, P 4, P 5, P 6In 6 gears, 3 gear P 1, P 2, P 3Be disposed at the 1st gear shift direction path 9 of shift lever, and, other 3 gear P 4, P 5, P 6Be disposed at the 2nd gear shift direction path 10 of shift lever.And the 1st gear shift direction path 9 and the 2nd gear shift direction path 10 are by being connected with the choice direction path 11 of the shift lever of these path quadratures.In this case, 2 gear P 2, P 5Be disposed at the intersection point of the 1st gear shift direction path 9 and choice direction path 11 and the intersection point of the 2nd gear shift direction path 10 and choice direction path 11 respectively.Each gear P 1, P 2, P 3, P 4, P 5, P 6Be set in the P that for example stops, neutral gear N, reversing R, drive D, upgrade (+) and any position of lower category (-).
Hall element 2 output is as according to the chosen position voltage signal of the electric chosen position signal of the position of the choice direction of the shift lever that does not show among the figure with as the shift pattern voltage signal according to the electric shift pattern signal of the position of the gear shift direction of shift lever.
This Hall element 2 only sets 1 near choice direction path 11 or its.This Hall element 2 utilizes the magnetic force of the magnet (not shown) that is located at shift lever to export predetermined voltage.In this case, 0 (V) of Hall element 2 output on any of gear shift direction and choice direction is to V 1(V) (for example, voltage 5V).More specifically, the scope SiA of Hall element 2 outputs and 3 positions of shift lever on gear shift direction, SiB, the corresponding voltage of SiC, and, the scope SeA of output and 2 positions of shift lever in choice direction, the corresponding voltage of SeB.In addition, in the following description, with V 1(V) be that 5 (V) describe, but be not limited to this magnitude of voltage.
Promptly, the output voltage of scope SiA is set in from 0 (V) to the scope than the voltage (2V) of the little predetermined voltage of 2.5 (V), and, the output voltage of scope SiB be set in from than the voltage (1.5V) of the little predetermined voltage of 2.5 (V) to scope than the voltage (3.5V) of the big predetermined voltage of 2.5 (V), and the output voltage of scope SiC is set in from the scope than the voltage (3V) to 5 (V) of the big predetermined voltage of 2.5 (V).So scope SiA and scope SiB partly repeat, and scope SiB and scope SiC partly repeat.
In addition, the output voltage of scope SeA is set in from 0 (V) to the scope than the voltage (3V) of the big predetermined voltage of 2.5 (V), and the output voltage of scope SeB is set in from the scope than the voltage (2V) to 5 (V) of the little predetermined voltage of 2.5 (V).So scope SeA and scope SeB partly repeat.In addition, in this example, when shift lever was positioned at primary position (Hall element shown in Figure 2 be provided with position), the voltage of gear shift direction and the voltage of choice direction all were set at 0.25 (V).
The detection unit 5 of TCU 4 is based on from the output voltage of Hall element 2 and the scope that shift lever was positioned at is regarded as " 1 ", and the scope that shift lever is not positioned at is set at " 0 ".
In addition, in the storer 6 of TCU 4, store the mapping 6a that generates in advance shown in Figure 3.Mapping 6a shows two scopes of predefined gear shift direction and choice direction and the relation of gear.In this mapping 6a, numerical value " 0 " expression shift lever is not positioned at this scope, and numerical value " 1 " expression shift lever is positioned at this scope.
Then, be set in gear P at shift lever 1The time, Hall element 2 exports the voltage of the about 4.5V among the scope SiC of gear shift direction the detection unit 5 of TCU 4 to, and, the voltage of the about 4V among the scope SeB of choice direction is exported to the detection unit 5 of TCU 4.Because the voltage of the gear shift direction imported be about 4.5V, and the voltage of choice direction is about 4V, thereby detection unit 5 identification SiC scopes and SeB scope be numerical value " 1 ", and other scopes are numerical value " 0 ".And detection unit 5 is with the numerical value contrast among these numerical value assert and the mapping 6a shown in Figure 3, because SiC scope and SeB scope are numerical value " 1 ", other scopes are numerical value " 0 ", thereby judge that the position of shift lever is gear P 1And detection unit 5 is with the gear P that is judged 1Signal export speed Control signal efferent 7 to.So speed Control signal efferent 7 will be from the gear P of detection unit 5 inputs 1The speed Control signal export automatic transmission 3 to, automatic transmission 3 is set at gear P based on this speed Control signal 1Shift mode.
Be set in except gear P at shift lever 1During in addition other gears, automatic transmission 3 is similarly based on the shift mode that is set at this gear from the speed Control signal of the gear of speed Control signal efferent 7 outputs of TCU 4.
Position detecting device 8 according to the shift lever of this example is detected the position of shift lever by Hall element with magnitude of voltage, this voltage is exported to the detection unit 5 of TCU 4.Then, detection unit 5 is assert gear shift direction that shift lever is positioned at and two scopes of choice direction based on this magnitude of voltage, and, with each scope of being assert be stored in the predefined gear shift direction of demonstration in the storer 6 of TCU 4 and the mapping 6a contrast of the relation of two scopes of choice direction and gear, thus, judge the position of shift lever.So, can in TCU 4, judge the position of shift lever, can not need in shift lever unit (CLU), judge the position of shift lever.Thus, even change shift mode according to vehicle etc., as long as only change is stored in the numerical value of the mapping 6a in the storer 6 of TCU 4, just can be by the change of this shift mode reliably and corresponding neatly.In the change of shift mode, the operation of seeking optimum value by adjustment also can be corresponding reliably by the decision content of change TCU 4 sides.Like this, the correction operation that the change of shift mode causes becomes simply, can improve operating efficiency.
In addition, speed-change control device 1 according to the automatic transmission 3 of this example, owing to possess the position detecting device 8 of the shift lever of this example, even thereby because the shift mode that vehicle etc. cause automatic transmission 3 difference variedly also can be judged this shift mode simply in TCU 4.So, can be easily and different variedly with shift mode neatly automatic transmission 3 corresponding, and it is further simple that speed Control becomes.
In addition, the present invention is not limited to aforesaid example, can carry out various design alterations in the scope of the technology item that the scope of claim is put down in writing.
About the position detecting device of shift lever of the present invention and the speed-change control device of automatic transmission, can be applicable to the position detecting device of the shift lever of the position of the shift lever of detecting operation and the speed-change control device of the automatic transmission of the position detecting device that uses this shift lever for the speed Control of carrying out automatic transmission.
Label declaration
1 ... speed-change control device
2 ... Hall element
3 ... automatic transmission
4 ... Electronic Control portion (TCU)
5 ... detection unit
6 ... storer
6a ... mapping
7 ... speed Control signal efferent
8 ... the position detecting device of shift lever
P 1, P 2, P 3, P 4, P 5, P 6Gear.

Claims (4)

1. the position detecting device of a shift lever possesses:
Hall element, output is according to the electric chosen position signal of the position of the choice direction of shift lever with according to the electric shift pattern signal of the position of the gear shift direction of described shift lever; With
Electronic Control portion, based on the position of the gear shift direction of the position of the choice direction of judging described shift lever from the described electric chosen position signal of described Hall element output and described electric shift pattern signal and described shift lever, wherein,
Described Electronic Control portion has:
Storer stores the mapping of relation of position of the gear shift direction of the position of choice direction of the scope of the scope that preestablishes described electric chosen position signal and described electric shift pattern signal and described shift lever and described shift lever; With
Detection unit, based on described electric chosen position signal and described electric shift pattern signal, judge the position of described shift lever according to the scope of the scope of the described electric chosen position signal of setting by described mapping and described electric shift pattern signal from the output of described Hall element.
2. the position detecting device of shift lever according to claim 1 is characterized in that, described electric chosen position signal and described electric shift pattern signal all are voltage signals.
3. the speed-change control device of an automatic transmission possesses:
Hall element, output is according to the electric chosen position signal of the position of the choice direction of shift lever with according to the electric shift pattern signal of the position of the gear shift direction of described shift lever; With
Electronic Control portion, based on the position of judging described shift lever from the described electric chosen position signal of described Hall element output and described electric shift pattern signal, and, based on the position of the described shift lever of being judged automatic transmission is carried out speed Control, wherein
Described Electronic Control portion has:
Storer stores the mapping of relation of position of the gear shift direction of the position of choice direction of the scope of the scope that preestablishes described electric chosen position signal and described electric shift pattern signal and described shift lever and described shift lever;
Detection unit, based on described electric chosen position signal and described electric shift pattern signal, judge the position of described shift lever according to the scope of the scope of the described electric chosen position signal of setting by described mapping and described electric shift pattern signal from the output of described Hall element; And
Speed Control signal efferent exports the speed Control signal to automatic transmission based on the position of the described shift lever of being judged by described detection unit.
4. the speed-change control device of automatic transmission according to claim 3 is characterized in that, described electric chosen position signal and described electric shift pattern signal all are voltage signals.
CN2011101223130A 2010-05-12 2011-05-12 Position detecting device for gearshift lever and shift control device for automatic transmission Pending CN102269563A (en)

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JP2010109989A JP2011235798A (en) 2010-05-12 2010-05-12 Position detector of change lever, and shift control device of automatic transmission
JP2010-109989 2010-05-12

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CN105020388A (en) * 2015-07-15 2015-11-04 徐州南普机电科技有限公司 Information collecting device of two-gear transmission of electric car
CN106556333A (en) * 2015-09-25 2017-04-05 泰科电子(上海)有限公司 Determine the method and sensing device of testee movement position
CN106940165A (en) * 2016-01-04 2017-07-11 德韧营运有限责任公司 Displacement detection system
CN110822077A (en) * 2019-11-11 2020-02-21 摩登汽车有限公司 Gear shifting control method for electric automobile hand gear shifter

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CN102563038A (en) * 2011-12-31 2012-07-11 重庆长安汽车股份有限公司 Neutral position control method for automatic transmission
JP5973892B2 (en) * 2012-11-27 2016-08-23 アルプス電気株式会社 Magnetic detection switch and shift lever device using the magnetic detection switch
DE102016205441A1 (en) * 2015-04-29 2016-11-17 Bosch Limited Assembly for determining the position of a shift lever in a vehicle
JP6791033B2 (en) * 2017-06-16 2020-11-25 株式会社デンソー Position sensor

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CN105020388A (en) * 2015-07-15 2015-11-04 徐州南普机电科技有限公司 Information collecting device of two-gear transmission of electric car
CN105020388B (en) * 2015-07-15 2017-07-21 徐州南普机电科技有限公司 A kind of information collecting device of the shift transmission of electric car two
CN106556333A (en) * 2015-09-25 2017-04-05 泰科电子(上海)有限公司 Determine the method and sensing device of testee movement position
CN106940165A (en) * 2016-01-04 2017-07-11 德韧营运有限责任公司 Displacement detection system
CN110822077A (en) * 2019-11-11 2020-02-21 摩登汽车有限公司 Gear shifting control method for electric automobile hand gear shifter

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KR101357029B1 (en) 2014-02-03
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Application publication date: 20111207