CN107654638A - Electric gear change system and its shift actuator - Google Patents

Electric gear change system and its shift actuator Download PDF

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Publication number
CN107654638A
CN107654638A CN201610589169.4A CN201610589169A CN107654638A CN 107654638 A CN107654638 A CN 107654638A CN 201610589169 A CN201610589169 A CN 201610589169A CN 107654638 A CN107654638 A CN 107654638A
Authority
CN
China
Prior art keywords
gear
shift actuator
actuating motor
worm
output
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201610589169.4A
Other languages
Chinese (zh)
Inventor
宁明志
徐旭初
黄凯龙
孙伟杰
高建民
郭有君
陈文婷
代明
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SAIC Motor Corp Ltd
Original Assignee
SAIC Motor Corp Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by SAIC Motor Corp Ltd filed Critical SAIC Motor Corp Ltd
Priority to CN201610589169.4A priority Critical patent/CN107654638A/en
Publication of CN107654638A publication Critical patent/CN107654638A/en
Pending legal-status Critical Current

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Classifications

    • 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
    • F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
    • F16H61/26—Generation or transmission of movements for final actuating mechanisms
    • F16H61/28—Generation or transmission of movements for final actuating mechanisms with at least one movement of the final actuating mechanism being caused by a non-mechanical force, e.g. power-assisted
    • F16H61/32—Electric motors actuators or related electrical control means therefor
    • 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
    • F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
    • F16H61/02—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing characterised by the signals used
    • F16H61/0202—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing characterised by the signals used the signals being electric
    • F16H61/0204—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing characterised by the signals used the signals being electric for gearshift control, e.g. control functions for performing shifting or generation of shift signal
    • 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
    • F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
    • F16H61/26—Generation or transmission of movements for final actuating mechanisms
    • F16H61/28—Generation or transmission of movements for final actuating mechanisms with at least one movement of the final actuating mechanism being caused by a non-mechanical force, e.g. power-assisted
    • F16H61/32—Electric motors actuators or related electrical control means therefor
    • F16H2061/326—Actuators for range selection, i.e. actuators for controlling the range selector or the manual range valve in the transmission

Abstract

A kind of electric gear change system and its shift actuator, wherein shift actuator include actuating motor, and the driving section with the output end drive connection of the actuating motor, and the driving section has the output gear as output end；The output gear has the tooth-shape structure around the center of rotation in one end of center of rotation, and the tooth-shape structure has and the gear of automobile multiple teeth groove correspondingly；Spring leaf, one end of the spring leaf are fixed, and the other end is installed with roller, and the roller is located in the teeth groove and can switched with gear shifting action between each teeth groove, and the gear of the teeth groove residing for the roller and the automobile corresponds.The present apparatus can ensure the Stability and veracity of gear shifting action, avoid that overshoot occurs in gearshift.

Description

Electric gear change system and its shift actuator
Technical field
The present invention relates to automotive field, and in particular to a kind of electric gear change system and its shift actuator.
Background technology
In traditional shifting system, the gear level in driver's cabin is realized by drag-line and the connection of speed changer rocking arm, gearshift When, driver stirs gear level, and the motion of gear level is transferred into speed changer rocking arm by zip, then passes through speed changer rocking arm Shifting shaft is driven to realize gearshift.
Wherein, between gear level and drag-line, and physical connection is formed between drag-line and speed changer rocking arm, advantage is can Ensure being synchronized with the movement for speed changer rocking arm gear level, ensure the stability and reliability of power transmission；Shortcoming is when automobile is in height During speed traveling, caused shake is delivered to gear level easily by drag-line in speed changer, and caused noise is also easy in speed changer Driving cabin is transferred to by the fit clearance between speed changer rocking arm and drag-line, between drag-line and gear level, so as to reduce user Driving experience.
Electric gear change system changes the gearshift control mode of transmission shifting system, and it includes the gear in driving cabin Operating mechanism, the MCU (shift control unit) with the communication connection of gear operating mechanism, and held with the gearshift of MCU communication connections Row device.
Shift control mechanism is located at the console of driving cabin, and user sends gearshift letter by stirring gear operating mechanism Number；MCU receives the gear shifting signal of gear operating mechanism, gear shifting signal is converted to execution signal, and is sent to signal is performed Shift actuator；Shift actuator and the gearshift axis connection in speed changer, drive shifting shaft to hold according to the execution signal received Row gear shifting action, to complete to shift gears.
It can be seen that in electric gear change system, shift actuator is very important part, it is necessary to which a kind of good reliability is changed Actuator is kept off, to ensure the Stability and veracity of gear shifting action.
The content of the invention
The present invention provides a kind of the electric gear change system and its shift actuator of good reliability, to ensure the standard of gear shifting action True property and stability.
To solve the above problems, the present invention provides a kind of shift actuator of electric gear change system, including actuating motor, with And the driving section with the output end drive connection of the actuating motor, the driving section has the output gear as output end； The output gear one end of center of rotation have around the center of rotation tooth-shape structure, the tooth-shape structure have with The gear of automobile multiple teeth groove correspondingly；Spring leaf, one end of the spring leaf are fixed, and the other end is installed with roller, institute Roller is stated to be located in the teeth groove and with gear shifting action between each teeth groove can switch, it is described residing for the roller The gear of teeth groove and the automobile corresponds.
Optionally, axial both sides of the roller along the tooth-shape structure are respectively equipped with the spring leaf, the tooth form knot Structure is between the spring leaf of the axial both sides is axially located.
Optionally, the roller is cylindric, and axial axially in parallel with the output gear.
Optionally, in addition to capsul, the driving section are located in the capsul, and the actuating motor is positioned at described close Outside capsule, the output end of the actuating motor is stretched into the capsul.
Optionally, the driving section also includes：Primary transmission pair, including it is coaxially connected with the output end of the actuating motor Driving gear, and with the driving gear drive connection driven gear；Secondary transmission pair, including with the driven gear Coaxially connected worm screw, and the worm gear with the worm engaging；The output gear is connected with the worm-drive.
Optionally, the axial direction of the worm screw is parallel with the length direction of the actuating motor, the output gear with it is described Worm gear is located at the radially opposite sides of the worm screw respectively；The driving section also includes the worm-wheel shaft coaxially connected with the worm gear, with And be located in the worm-wheel shaft it is outer and with the spaced travelling gear of the worm gear, the travelling gear and the output Gear engages.
Optionally, the output gear has the engaging piece being connected with the output end of the actuating motor, described to nibble Conjunction portion is sector.
Optionally, the circumferential both sides of the output gear are provided with limited block, are carried out for the rotation to the output gear It is spacing.
Optionally, in addition to monitoring portion, for monitoring the output state of the actuating motor, the monitoring portion includes：Magnetic Property part, is coaxially placed on the worm-wheel shaft admittedly；Turn-sensitive device, positioned at axial one end of the worm-wheel shaft, and with the worm gear Axle is arranged at intervals；The turn-sensitive device is used for the magnetic field signal for sensing the magnetic part, and is obtained according to the magnetic field signal Turn signal.
Optionally, the monitoring portion also includes pcb board, and the turn-sensitive device is electrically connected on the pcb board.
Optionally, the both sides of the pcb board are respectively equipped with the turn-sensitive device.
The present invention also provides a kind of electric gear change system, and it includes：Above-mentioned shift actuator；MCU, with the rotation sensing Device communication connection, for receiving the turn signal of the turn-sensitive device output；When the rotation for the pcb board both sides that MCU is received Turn sensor output turn signal it is inconsistent when, the MCU exports fault-signal.
Optionally, the MCU and the actuating motor communication of the shift actuator connect, for being sent out to the actuating motor Execution signal is sent, the actuating motor performs gear shifting action according to the execution signal.
The present invention also provides a kind of electric gear change system, and it includes：Above-mentioned shift actuator；MCU, performed with the gearshift The actuating motor communication connection of device, performs signal, the actuating motor is according to the execution for being sent to the actuating motor Signal performs gear shifting action.
Compared with prior art, technical scheme has advantages below：
The tooth-shape structure at the center that rotates about it is set on output gear, had in tooth-shape structure with automobile shift one by one Corresponding teeth groove, teeth groove coordinate with the position limiting structure that spring leaf-roller is formed, and in gearshift, roller can be with output gear Rotation switches between each teeth groove.During gearshift, when bottom of the roller motion to target teeth groove, output gear reaches targeted gear The physical location of position, now actuating motor stopping output torque, is limited by teeth groove, and roller is stabilized in teeth groove, is ensured defeated Target gear is rested on going out stable gear, without being rotated further under effect of inertia, so as to effectively prevent shift actuator Overshoot occurs due to effect of inertia in gearshift, to ensure the Stability and veracity of gear shifting action.
Further, in the capsul, the actuating motor is located at outside the capsul, described to hold for the driving section The output end of row motor is stretched into the capsul.On the one hand it can ensure that driving section is in the working environment of sealing, prevent It is polluted by impurity such as water, dust；Actuating motor and driving section are kept apart on the other hand, avoid actuating motor work Influence of the heat caused by work to driving section.
Brief description of the drawings
Fig. 1 is the dimensional structure diagram of the shift actuator of the embodiment of the present invention；
Fig. 2 is the perspective exploded view of the shift actuator of the embodiment of the present invention；
Fig. 3 shows the stereochemical structure of actuating motor and driving section；
Fig. 4 shows the structure that output gear cooperates with spring leaf, roller；
Fig. 5 shows the stereochemical structure of spring leaf, roller；
Fig. 6 shows the through hole penetrated in capsul for shifting shaft；
Fig. 7 shows the side view structure of actuating motor and driving section；
Fig. 8 shows the structure of pcb board and turn-sensitive device；
Fig. 9 is the module map of shifting system in the embodiment of the present invention.
Embodiment
It is understandable to enable the above objects, features and advantages of the present invention to become apparent, below in conjunction with the accompanying drawings to the present invention Specific embodiment be described in detail.
The embodiment of the present invention provides a kind of electric gear change system, including a kind of shift actuator.
Shown in reference picture 1, Fig. 2, Fig. 3, shift actuator includes actuating motor 100, and the output with actuating motor 100 The driving section 200 (Fig. 2) of drive connection is held, the output end of driving section 200 is used to (in figure not show with the shifting shaft in speed changer Go out) connection.Reference picture 2 and with reference to shown in Fig. 3, primary transmission pair 210 that driving section 200 includes being connected successively, two level pass Dynamic pair 220 and three-level transmission 230.
Wherein, primary transmission pair 210 includes the driving gear 211 coaxially connected with the output end of actuating motor 100, and The driven gear 212 engaged with driving gear 211；
Secondary transmission pair 220 includes the worm screw 221 coaxially connected with driven gear 212, and the snail engaged with worm screw 221 Wheel 222, worm gear 222 is coaxially set in outside worm-wheel shaft 223.
Three-level transmission 230 includes the travelling gear 231 (Fig. 3) coaxially connected with worm-wheel shaft 223, and and travelling gear The output gear 232 (Fig. 3) of 231 engagements.Output end of the output gear 232 as driving section 200, connect for being driven with shifting shaft Connect, moving gear shaft by the rotational band of output gear 232 rotates.
Wherein, in order to reduce the axial length of shift actuator, worm screw 221 is located at the side of actuating motor 100, and along outer The length direction extension of side face, worm gear 222 are then located at the side of worm screw 221.More precisely, the first end of worm screw 221 is close Axial one end (i.e. output end) of actuating motor 100, the second end of worm screw 221 is then close to the axial other end of actuating motor.Snail Bar 221 is substantially at stacked state with actuating motor 100, to reduce the axial length of whole device.In other embodiments, If axial length allows, worm screw 221 can also be located at the axial side of actuating motor 100.
When carrying out gear shifting action, the output end of actuating motor 100 is transferred to shift actuator by primary transmission pair 210 The secondary transmission pair 220 being made up of worm gear-endless screw mechanism, passed then in turn through secondary transmission pair 220, three-level transmission 230 It is handed to shifting shaft.
So setting is advantageous in that：
First, primary transmission pair 210, secondary transmission pair 220 are by engaging tooth passing power, and secondary transmission pair It is directly coaxially connected between 220 worm screw 221 and the driven gear 212 of primary transmission pair 210 so that the transmission stabilization of power, Reliably, prevent from skidding, alter the generation of phenomena such as tooth, so as to ensure strict gearratio, it is ensured that shifting shaft can quickly, accurately Respond the action of actuating motor 100.
Second, secondary transmission pair 220 is worm gear-endless screw mechanism, and worm gear-endless screw mechanism has latching characteristics, and the self-locking is special Property is embodied in：, can only be by worm screw band when the lead angle of worm screw is less than the equivalent friction angle between worm gear and the engaging tooth of worm screw Dynamic worm gear wheel, and by worm gear worm screw can not be driven to rotate.According to the latching characteristics, shift actuator can realize it is reverse from Lock.Therefore, according to the latching characteristics, when shift actuator and shifting shaft drive connection, it can prevent shifting shaft from rotating backward, Avoid being linked into the gear of mistake.
In other embodiments, belt can be passed through between the driving gear 211 of primary transmission pair 210, driven gear 212 Transmission, to reduce impact of the rotating of actuating motor 100 to driving section 200, mitigate two level, the impact wear of three-level transmission, Rotational noise can be reduced simultaneously, lifts NVH (Noise, Vibration, Harshness, noise, vibration and the sound and vibration of vehicle Roughness) performance.
With continued reference to shown in Fig. 3, the coaxial sleeve of travelling gear 231 of three-level transmission 230 is outside worm-wheel shaft 223, output Gear 232, which has, is used for the center of rotation coaxially connected with shifting shaft.Specifically, output gear 232 is provided with peace in center of rotation Hole 232a is filled, shifting shaft is penetrated and is fixed in mounting hole 232a.
Wherein, output gear 232 is located at the opposite side of actuating motor 100 relative to worm screw 221.As shown in figure 3, output gear Wheel 232 is substantially parallel with the axial direction of worm gear 222, and both radial directions and the radial direction of actuating motor 100 are also substantially parallel.Along from the axle Projection to direction sees that actuating motor 100 and the radial dimension of the intersection of output gear 232 are more than actuating motor 100 and snail Take turns the radial dimension of 222 intersections.
Such as it can set：Output gear 232 is radially across actuating motor 100, the center of rotation of output gear 232 Radially it is located at the both sides of actuating motor 100 respectively with worm screw 221.So, in the axial direction along output gear 232, the second transmission The transmission 230 of pair the 220, the 3rd has overlapping part with actuating motor 100, can so reduce the sky of shift actuator occupancy Between, characteristics of compact layout.
Shown in reference picture 4, Fig. 5, output gear 232 has the tooth-shape structure around center of rotation in one end of center of rotation G1, tooth-shape structure G1 have and the gear of automobile multiple teeth groove G2 correspondingly.
Driving section 200 also includes spring leaf 201, one end of spring leaf 201 is fixed on the part outside driving section 200, As fixing end, the other end is installed with roller 202, and roller 202 is located in teeth groove G2.In gearshift, roller 202 can be with output The rotation of gear 232 switches between each teeth groove G2, and the gear of teeth groove G2 and automobile residing for roller 202 correspond.
For automatic catch automobile, tooth-shape structure G1 can set four teeth groove G2, correspond to tetra- gears of P, R, N, D respectively. P, tetra- gears of R, N, D put in order with driver's cabin each gear put in order it is identical.In the present embodiment, P, R, N, D Circumference of four gears along tooth-shape structure G1 is arranged in order.Wherein P keeps off for parking, and for R to reverse gear, N is neutral, and D keeps off for straight trip.When When driver performs gear shifting action, roller 202 is switched to and target gear pair from current teeth groove G2 corresponding with current shift The target teeth groove G2 answered.
When roller 202 moves to target teeth groove G2 bottom, output gear 232 reaches the physical location of target gear.This When actuating motor 100 stop output torque, limited by teeth groove G2, roller 202 is stabilized in teeth groove G2, ensure output gear 232 smoothly rest on target gear, without being rotated further under effect of inertia, so as to effectively prevent shift actuator from changing Overshoot occurs due to effect of inertia during gear, to ensure the Stability and veracity of gear shifting action.
Axial both sides of the roller 202 along tooth-shape structure G1 are respectively equipped with spring leaf 201, and tooth-shape structure G1 is being axially located axle To between the spring leaf 201 of both sides.The both sides of roller 202 are equipped with spring leaf 201, can obtain more preferable support；Tooth form knot Structure G1 is located between the spring leaf 201 of both sides, can avoid interfering due to touching spring leaf 201 when rotating.
Specifically, as Fig. 5, spring leaf 201 have two panels and be respectively arranged on the tooth-shape structure G1 of output gear 232 axial direction Both sides.So, when output gear 232 rotates about it center rotating, tooth-shape structure G1 will not occur with two panels spring leaf 201 Interference.
In the present embodiment, roller 202 is cylindric and parallel with the rotary middle spindle of output gear 232 in axial direction.At it In his embodiment, roller 202 can also be other shapes, such as spherical.
Further, there is the engaging piece 232b engaged with travelling gear 231, nibble with continued reference to Fig. 4, output gear 232 Conjunction portion 232b can in a ring, or can also be in sector.Engaging piece 232b is in sector, accordingly, output gear in the present embodiment Wheel 232 is piece toothing.
For electric gear change system by driving shifting shaft to rotate predetermined angle to complete to shift gears, shifting shaft can only be predetermined Rotated in angular range.It is possible thereby to learn, output gear 232 can only rotate in certain angular range, its rotational angle It is that rotational angle according to needed for shifting shaft is set.Therefore, as long as the engaging piece 232b of output gear 232 can meet shifting gears Keep engaging with travelling gear 231 all the time in the slewing area of axle.Output gear 232 is arranged to as piece by the present embodiment Tooth, only retain the part with engaging piece 232b, can so reduce the size of output gear 232, held with reducing whole gearshift The volume of row device.
As shown in Fig. 2 the circumferential both sides of output gear 232 are provided with limited block 240, limited block 240 is fixedly arranged on capsul 300 It is interior, carried out for the rotation to output gear 232 spacing.As it was previously stated, the rotational angle of output gear 232 is according to shifting shaft Required rotational angle setting.In shift actuator operation process, when breaking down, motor, which is likely to occur, to be rotated Spend and cause output gear 232 to rotate excessively, so as to beyond shifting shaft predetermined angle range, or even with capsul 300 Inwall collides, and the setting of limited block 240 can prevent the inordinate rotation of output gear 232, so as to ensure shifting shaft not Generation inordinate rotation, while can also protect capsul 300 without damage.
Such as Fig. 1 and with reference to shown in Fig. 2, shift actuator also includes capsul 300, and driving section 200 is located at capsul 300 In, actuating motor 100 is located at outside capsul 300, and the output end of actuating motor 100 is stretched into capsul 300.Actuating motor 100 Output end and capsul 300 between be provided with gasket seal 400, to ensure the sealing of capsul 300.Spring leaf 201 is consolidated Capsul 300 is fixed in fixed end.
Such as Fig. 3,232 axial both sides of output gear are coaxially provided with thrust bearing 250, and output gear 232 passes through thrust shaft 250 are held to be supported in capsul 300.Meanwhile the one end of worm screw 221 away from driven gear 212 is also coaxially provided with bearing 221a, And it is supported in by bearing 221a in capsul 300.
Because the working environment of driving section 200 needs have higher sealing and heat-resisting quantity, therefore, in the present embodiment It is located on the one hand by driving section 200 in capsul 300, it is ensured that driving section 200 is in the working environment of sealing, is prevented Only it is polluted by impurity such as water, dust；On the other hand by actuating motor 100 outside capsul 300, by actuating motor 100 keep apart with driving section 200, avoid actuating motor 100 work caused by influence of the heat to driving section 200.
As shown in Fig. 2 the shape of capsul 300 and the shape of driving section are adapted, it includes：With the first groove One receiving portion 310, there is the second receiving portion 320 of the second groove, and the cover plate 330 being covered on the first groove.Wherein, Two receiving portions 320 are located at the top of the first groove, and its second groove communicates with the first groove, the second receiving portion 320 and cover plate 330 The opening of the first groove is closed together.That is, the first receiving portion 310, the second receiving portion 320 and cover plate 330 surround one The closed inner chamber of the capsul 300 of individual closing.
The second transmission 220, the 3rd transmission 230 of driving section 200 are located in the first groove, and the first transmission 210 is set In the second groove, actuating motor 100 is outer located at capsul 300 and on cover plate 330.
Such as Fig. 3 simultaneously combines Fig. 6, and position corresponding with the mounting hole 232a of output gear 232 is opened in the side wall of capsul 300 Provided with through hole 300a, penetrated for shifting shaft, shifting shaft is fixed in mounting hole 232a.
Further, reference picture 7, shown in Fig. 8, the shift actuator of the present embodiment also includes monitoring portion 500, monitoring portion 500 include：
Turn-sensitive device 510, it is arranged at intervals positioned at axial one end of worm-wheel shaft 223, and with worm-wheel shaft 223；
Magnetic part 520, coaxially it is placed on admittedly on worm-wheel shaft 223.Wherein, turn-sensitive device 510 is located at the magnetic field of magnetic part 520 In the range of, it is monitored with the rotation to magnetic part 520.
Monitoring portion 500 is used for the output state for detecting actuating motor 100, including the state such as output corner, rotating speed.Wherein, Magnetic part 520 and the synchronous axial system of worm-wheel shaft 223, turn-sensitive device 510 are turned by the magnetic field signal of induced magnetism part 520 Dynamic signal.Wherein, turn signal includes angular signal, tach signal etc..
Monitoring portion 500 also includes pcb board 530, and turn-sensitive device 510 electrically connects on pcb board 530 and with pcb board 530 Connect.Wherein, as shown in figure 8, the both sides of pcb board 530 are respectively equipped with turn-sensitive device 510, it is used to gather turning for worm-wheel shaft 223 Dynamic signal.The present embodiment is not construed as limiting to the number of turn-sensitive device 510, and multiple turn-sensitive devices 510 are all located at magnetic part 520 Magnetic field range in.In addition, turn-sensitive device only can also be set on a surface on pcb board 530.
Such as Fig. 9, electric gear change system is in addition to including shift actuator, in addition to shift control mechanism, and with gearshift The MCU of operating mechanism communication connection.Wherein, MCU and the communication of the actuating motor of shift actuator 100 connect, for performing electricity Machine 100, which is sent, performs signal, and actuating motor 100 performs gear shifting action according to signal is performed.
In the present embodiment, MCU is also communicated with turn-sensitive device 510 and connected, for receiving turning for the output of turn-sensitive device 510 Dynamic signal.According to the turn signal collected and the gearratio of each transmission, conversion obtains actuating motor 100 and appointed MCU The current rotating speed of one driving member of meaning and work as front hook, MCU can select the rotating speed of any one driving member or corner information It is monitored.
When the signal that the turn-sensitive device 510 for the pcb board both sides that MCU is received exports is inconsistent, MCU output failure letters Number.Now, due to both sides turn-sensitive device 510 export signal it is inconsistent, then turn-sensitive device 510 be possible to be damaged or Person MCU is likely to occur failure, now if MCU continues to carry out gearshift control to shift actuator, it is likely that cause mistake Gearshift, therefore, MCU output fault-signals, and stop gear shifting action, enable a user to investigate failure in time.
The embodiment of the present invention also provides a kind of automobile, and it includes speed changer and above-mentioned electric gear change system.
Wherein, shift actuator is outside the housing of speed changer.During installation, as long as by the output end of shift actuator with changing One end that gear shaft stretches out case of transmission is coaxially connected, to drive shifting shaft, it is not necessary to change the structure of existing speed changer, without Speed changer is redesigned to match shift actuator.
Although present disclosure is as above, the present invention is not limited to this.Any those skilled in the art, this is not being departed from In the spirit and scope of invention, it can make various changes or modifications, therefore protection scope of the present invention should be with claim institute The scope of restriction is defined.

Claims (14)

  1. A kind of 1. shift actuator of electric gear change system, it is characterised in that including actuating motor, and with the actuating motor Output end drive connection driving section, the driving section has output gear as output end；
    The output gear has the tooth-shape structure around the center of rotation, the tooth-shape structure tool in one end of center of rotation Have and the gear of automobile multiple teeth groove correspondingly；
    Spring leaf, one end of the spring leaf are fixed, and the other end is installed with roller, and the roller is located in the teeth groove and can be with Gear shifting action between each teeth groove to switch, a pair of the gear 1 of the teeth groove residing for the roller and the automobile Should.
  2. 2. shift actuator as claimed in claim 1, it is characterised in that axial both sides of the roller along the tooth-shape structure The spring leaf is respectively equipped with, the tooth-shape structure is between the spring leaf of the axial both sides is axially located.
  3. 3. shift actuator as claimed in claim 1, it is characterised in that the roller to be cylindric, and it is axial with it is described Output gear it is axially in parallel.
  4. 4. shift actuator as claimed in claim 1, it is characterised in that also including capsul, the driving section is located at described In capsul, the actuating motor is located at outside the capsul, and the output end of the actuating motor is stretched into the capsul.
  5. 5. such as the shift actuator any one of claim 1-4, it is characterised in that the driving section also includes：
    Primary transmission pair, including the driving gear coaxially connected with the output end of the actuating motor, and with the driving tooth Take turns the driven gear of drive connection；
    Secondary transmission pair, including the worm screw coaxially connected with the driven gear, and the worm gear with the worm engaging；
    The output gear is connected with the worm-drive.
  6. 6. shift actuator as claimed in claim 5, it is characterised in that the axial direction of the worm screw and the length of the actuating motor Degree direction is parallel, and the output gear is located at the radially opposite sides of the worm screw with the worm gear respectively；
    The driving section also includes the worm-wheel shaft coaxially connected with the worm gear, and be located in the worm-wheel shaft it is outer and with The spaced travelling gear of worm gear, the travelling gear engage with the output gear.
  7. 7. shift actuator as claimed in claim 1, it is characterised in that the output gear has and the actuating motor The engaging piece of output end drive connection, the engaging piece are sector.
  8. 8. shift actuator as claimed in claim 7, it is characterised in that the circumferential both sides of the output gear are provided with spacing Block, carried out for the rotation to the output gear spacing.
  9. 9. shift actuator as claimed in claim 6, it is characterised in that also including monitoring portion, described electricity is performed for monitoring The output state of machine, the monitoring portion include：
    Magnetic part, coaxially it is placed on admittedly on the worm-wheel shaft；
    Turn-sensitive device, it is arranged at intervals positioned at axial one end of the worm-wheel shaft, and with the worm-wheel shaft；
    The turn-sensitive device is used for the magnetic field signal for sensing the magnetic part, and is obtained according to the magnetic field signal and rotate letter Number.
  10. 10. shift actuator as claimed in claim 9, it is characterised in that the monitoring portion also includes pcb board, the rotation Sensor is electrically connected on the pcb board.
  11. 11. shift actuator as claimed in claim 10, it is characterised in that the both sides of the pcb board are respectively equipped with the rotation Turn sensor.
  12. A kind of 12. electric gear change system, it is characterised in that including：
    Shift actuator described in claim 11；
    MCU, communicate and connect with the turn-sensitive device, for receiving the turn signal of the turn-sensitive device output；
    When the turn signal that the turn-sensitive device for the pcb board both sides that MCU is received exports is inconsistent, the MCU outputs event Hinder signal.
  13. 13. electric gear change system as claimed in claim 12, it is characterised in that the MCU is held with the shift actuator The communication connection of row motor, signal is performed for being sent to the actuating motor, the actuating motor is held according to the execution signal Row gear shifting action.
  14. A kind of 14. electric gear change system, it is characterised in that including：
    Shift actuator described in claim any one of 1-11；
    MCU, is communicated with the actuating motor of the shift actuator and connects, and signal, institute are performed for being sent to the actuating motor State actuating motor and gear shifting action is performed according to the execution signal.
CN201610589169.4A 2016-07-25 2016-07-25 Electric gear change system and its shift actuator Pending CN107654638A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111059270A (en) * 2019-12-27 2020-04-24 宁波高发汽车控制系统股份有限公司 Chest gear type gear shifter
WO2023012246A1 (en) * 2021-08-06 2023-02-09 Valeo Systemes De Controle Moteur Actuator for actuating at least one movable member of a vehicle drivetrain
FR3125997A1 (en) * 2021-08-06 2023-02-10 Valeo Systemes De Controle Moteur Actuator for actuating at least one movable member of a vehicle transmission

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EP0827058A2 (en) * 1996-07-31 1998-03-04 ZF FRIEDRICHSHAFEN Aktiengesellschaft Means on a locking disk to overcome dead-centre position, especially for controlof an automatic transmisssion
US20020045506A1 (en) * 2000-09-20 2002-04-18 Ulf Scheuerer Actuating device for a variable transmission, especially for preselecting the range of an automatic transmission
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CN102884346A (en) * 2010-05-05 2013-01-16 Zf腓德烈斯哈芬股份公司 Translatory activation device with indirect latching
CN104854382A (en) * 2012-11-30 2015-08-19 康斯博格汽车股份公司 Rotary shift actuator for a shift-by-wire transmission
CN105508595A (en) * 2014-10-08 2016-04-20 爱信精机株式会社 Shift apparatus

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Publication number Priority date Publication date Assignee Title
EP0827058A2 (en) * 1996-07-31 1998-03-04 ZF FRIEDRICHSHAFEN Aktiengesellschaft Means on a locking disk to overcome dead-centre position, especially for controlof an automatic transmisssion
US20020045506A1 (en) * 2000-09-20 2002-04-18 Ulf Scheuerer Actuating device for a variable transmission, especially for preselecting the range of an automatic transmission
CN201209666Y (en) * 2008-04-24 2009-03-18 湖南长丰汽车研发股份有限公司 Select/shift device for automatic mechanical transmission gear
CN102884346A (en) * 2010-05-05 2013-01-16 Zf腓德烈斯哈芬股份公司 Translatory activation device with indirect latching
CN104854382A (en) * 2012-11-30 2015-08-19 康斯博格汽车股份公司 Rotary shift actuator for a shift-by-wire transmission
CN105508595A (en) * 2014-10-08 2016-04-20 爱信精机株式会社 Shift apparatus

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111059270A (en) * 2019-12-27 2020-04-24 宁波高发汽车控制系统股份有限公司 Chest gear type gear shifter
WO2023012246A1 (en) * 2021-08-06 2023-02-09 Valeo Systemes De Controle Moteur Actuator for actuating at least one movable member of a vehicle drivetrain
FR3125998A1 (en) * 2021-08-06 2023-02-10 Valeo Systemes De Controle Moteur Actuator for actuating at least one movable member of a vehicle transmission
FR3125997A1 (en) * 2021-08-06 2023-02-10 Valeo Systemes De Controle Moteur Actuator for actuating at least one movable member of a vehicle transmission

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Application publication date: 20180202