CN108253103B - BSG system and vehicle - Google Patents
BSG system and vehicle Download PDFInfo
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- CN108253103B CN108253103B CN201611246721.6A CN201611246721A CN108253103B CN 108253103 B CN108253103 B CN 108253103B CN 201611246721 A CN201611246721 A CN 201611246721A CN 108253103 B CN108253103 B CN 108253103B
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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
- F16H7/00—Gearings for conveying rotary motion by endless flexible members
- F16H7/08—Means for varying tension of belts, ropes, or chains
- F16H7/10—Means for varying tension of belts, ropes, or chains by adjusting the axis of a pulley
- F16H7/12—Means for varying tension of belts, ropes, or chains by adjusting the axis of a pulley of an idle pulley
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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
- 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
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
Abstract
The invention provides a BSG system and a vehicle, the system comprises: the BSG gear train comprises a BSG motor, a first adjusting wheel, an idler wheel, a water pump, a crankshaft damping belt pulley, an air conditioner and a second adjusting wheel which are sequentially driven by a belt; the sensing device is used for acquiring the rotating speeds of the first adjusting wheel and the second adjusting wheel and the heavy-load pressures of the first adjusting wheel and the second adjusting wheel; the driving device is used for adjusting the positions of the first adjusting wheel and the second adjusting wheel in the BSG wheel train according to a driving signal sent by the controller; and the controller is used for generating a driving signal according to the rotating speeds of the first regulating wheel and the second regulating wheel, the heavy-load pressures of the first regulating wheel and the second regulating wheel and the selected working condition mode. The invention can improve the working reliability of the gear train, comprehensively diagnose the fault of the belt system and adjust the belt system to eliminate the fault.
Description
Technical Field
The invention relates to the technical field of automobiles, in particular to a Belt drive starter and Generator (BSG) system and a vehicle.
Background
The BSG hybrid system is obtained by modifying a generator of a traditional engine, and because a starting/generating integrated machine needs to overcome a large resistance torque when the engine is started under the action of belt transmission, the requirement of a belt transmission system of the device on a tensioning device is high.
In the related art, the engine accessory belt drive system has the following problems:
1. the traditional automobile engine tensioning belt transmission consists of a single spring arm, but excessive looseness and excessive tightness of a belt can occur in a BSG system when the single spring arm is tensioned;
2. the traditional BSG accessory belt transmission system adopts an automatic tensioner to maintain the tension of a belt, an idler pulley is adopted at the position of a tension pulley to ensure a sufficient wrap angle, and a large initial pre-tightening torque is applied to the tensioner, so that the service lives of the tensioner and the belt are greatly shortened; the tensioner is arranged on the loose edge of the belt, and hidden troubles are left for overhigh vibration noise of an accessory gear train and deviation of the belt;
3. the traditional BSG accessory belt transmission cannot adjust the tension in real time according to 4 working modes of a BSG motor, so that the tension is too small to cause the slip between a belt and a belt wheel, the transmission efficiency is low, the transverse vibration of the belt can be increased, and the vibration and noise level of the whole accessory system is greatly improved; the tensioning force is too large, the belt is too tight, the service life of the belt is shortened, the radial load of a bearing is increased, the abrasion of the bearing is aggravated, and the service life is shortened;
4. for a hydraulic tensioner with an automatic locking function, the problems of large matching difficulty of a gear train system, high manufacturing cost and low reliability (liquid leakage) are the defects of the tensioner.
Disclosure of Invention
In view of the above, the present invention is directed to a BSG system, which can improve the operational reliability of a gear train, diagnose the failure of a belt system comprehensively, and adjust the belt system to eliminate the failure.
In order to achieve the purpose, the technical scheme of the invention is realized as follows:
a BSG system, comprising: the BSG gear train comprises a BSG motor, a first adjusting wheel, an idler wheel, a water pump, a crankshaft damping belt pulley, an air conditioner compressor belt pulley and a second adjusting wheel which are sequentially driven by a belt; the sensing device is used for acquiring the rotating speeds of the first adjusting wheel and the second adjusting wheel and the heavy-load pressure of the first adjusting wheel and the second adjusting wheel; the adjusting device is used for adjusting the positions of the first adjusting wheel and the second adjusting wheel in the BSG wheel train according to a driving signal sent by a controller; the controller is used for generating the driving signal according to the rotating speeds of the first regulating wheel and the second regulating wheel, the heavy-load pressures of the first regulating wheel and the second regulating wheel and a selected working condition mode.
Further, the controller is further configured to calculate a pulley wrap angle, a pulley span, a pulley size, and a tension of the BSG gear train according to the rotation speeds of the first adjustment wheel and the second adjustment wheel and the heavy load pressures of the first adjustment wheel and the second adjustment wheel, and further generate the driving signal according to the pulley wrap angle, the pulley span, the pulley size, the tension, and a selected operating mode.
Further, the controller is further configured to determine that the belt is off tracking when a rotation speed difference between the first adjusting wheel and the second adjusting wheel is greater than or equal to a preset rotation speed difference threshold value and a pressure difference between the first adjusting wheel and the second adjusting wheel is greater than or equal to a preset pressure difference threshold value.
Further, the method also comprises the following steps: the stop block is arranged on a transmission roller of the BSG motor; the first sensing component is arranged inside the first adjusting wheel, and the first sensing module is used for generating a first sensing signal when the stop block approaches; the timing module is used for acquiring time information of a plurality of first sensing signals; the counting module is used for acquiring the quantity information of the plurality of first sensing signals; the controller is further used for calculating a first rotation period of a transmission roller of the BSG motor according to the time information of the plurality of first sensing signals and the quantity information of the plurality of first sensing signals, and further judging whether the belt slips or not according to the first rotation period and a standard rotation period.
Further, the method also comprises the following steps: the second sensing component is arranged inside the second adjusting wheel, and the second sensing module is used for generating a second sensing signal when the stop block approaches; the timing module is further configured to obtain time information of a plurality of second sensing signals, the counting module is further configured to obtain quantity information of the plurality of second sensing signals, and the controller is further configured to calculate a second rotation period of a transmission drum of the BSG motor according to the time information of the plurality of first sensing signals, the quantity information of the plurality of first sensing signals, the time information of the plurality of second sensing signals, and the quantity information of the plurality of second sensing signals, and further determine whether the belt slips according to the second rotation period and the standard rotation period.
Further, the method also comprises the following steps: the adjusting device is used for adjusting the positions of the first adjusting wheel and the second adjusting wheel according to a first adjusting signal sent by the controller so as to correct the deviation of the belt; the controller is further used for generating the first adjusting signal when the belt is judged to be off tracking.
Further, the method also comprises the following steps: the adjusting device is used for adjusting the positions of the first adjusting wheel and the second adjusting wheel according to a second adjusting signal so as to correct the slippage of the belt; the controller is further configured to generate the second adjustment signal when the belt slip is determined.
Further, the method also comprises the following steps: the mounting frame is provided with a bulge part for damping; the BSG motor is fixedly arranged on the mounting rack.
Further, the driving device includes: the first driving part is used for driving the first adjusting wheel to move; the second driving part is used for driving the second adjusting wheel to move; the first driving part and the second driving part are connected through the transition circular arc, and the transition circular arc is used for damping.
Compared with the prior art, the BSG system has the following advantages:
according to the BSG system, the first adjusting wheel and the first adjusting wheel are used for replacing a mode of using a tension wheel and a booster pump in the related technology, and the BSG system has the advantages of simple structure and reliable gear train operation; the rotating speed and the heavy load pressure of the first adjusting wheel and the second adjusting wheel are acquired through the sensing device, so that the comprehensive detection of the faults of the belt system can be realized, and the tension of the belt system can be adjusted in real time according to a selected working condition mode; and the noise reduction and the shock absorption are realized by adopting a special structure.
Another object of the present invention is to provide a vehicle that can improve operational reliability of a wheel train, comprehensively diagnose a malfunction of a belt system, and regulate the belt system to eliminate the malfunction.
In order to achieve the purpose, the technical scheme of the invention is realized as follows:
a vehicle is provided with the BSG system as described in the above embodiments.
The vehicle and the BSG system have the same advantages over the prior art, and are not described herein again.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate an embodiment of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a block diagram of a BSG system according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of an installation structure of a BSG system according to an embodiment of the present invention;
fig. 3 is an exploded view of a structure between a BSG motor, a first regulating wheel and a second regulating wheel according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a structure among a BSG motor, a first regulating wheel and a second regulating wheel according to an embodiment of the present invention;
FIG. 5(A) is a schematic top view of a mounting bracket according to an embodiment of the present invention;
FIG. 5(B) is a schematic side view of a mounting bracket according to an embodiment of the invention;
fig. 6 is a schematic structural diagram of a driving structure of a BSG system according to an embodiment of the present invention.
Detailed Description
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.
The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
Fig. 1 is a block diagram of a BSG system according to an embodiment of the present invention. As shown in fig. 1, a BSG system according to an embodiment of the present invention includes: a BSG train 100, a sensing device 200, a driving device 300, and a controller 400.
As shown in fig. 2, the BSG gear train 100 includes a BSG motor 110, a first adjustment wheel 120, an idler wheel 130, a water pump 140, a crankshaft damping pulley 150, an air conditioner compressor pulley 160, and a second adjustment wheel 170, which are sequentially driven by a belt.
Fig. 3 is an exploded view of a structure among a BSG motor, a first regulating wheel, and a second regulating wheel according to an embodiment of the present invention, and fig. 4 is a schematic structural view of a structure among a BSG motor, a first regulating wheel, and a second regulating wheel according to an embodiment of the present invention. As shown in fig. 3 and 4, in one embodiment of the present invention, the BSG system further includes a mounting bracket 111, a washer 112, a driving device 300, a first adjustment wheel lower adjustment arm 121, a first adjustment wheel upper adjustment arm 122, a first adjustment wheel mounting holder 123, a first adjustment wheel mounting bracket 124, a first adjustment wheel 120, a second adjustment wheel adjustment arm 171, a second adjustment wheel mounting bracket 172, and a second adjustment wheel 170.
The second adjustment wheel adjustment arm 171 is assembled between the first adjustment wheel lower adjustment arm 121 and the first adjustment wheel upper adjustment arm 122. The second adjustment wheel mounting holder 172 is snap fitted to the outside of the second adjustment wheel adjustment arm 171 and screwed to the second adjustment wheel adjustment arm 171 via a stud on the second adjustment wheel 170.
The first adjusting wheel upper adjusting arm 122 is clamped outside the first adjusting wheel lower adjusting arm 121 and the first adjusting wheel upper adjusting arm 122, and the first adjusting wheel lower adjusting arm 121, the first adjusting wheel mounting retainer 123 and the first adjusting wheel upper adjusting arm 122 are screwed together through a stud on the first adjusting wheel 120.
The second adjustment wheel adjustment arm 171, the first adjustment wheel lower adjustment arm 121, and the first adjustment wheel upper adjustment arm 122 are snap-fitted to the mounting bracket 111 by the driving device 300, the driving device 300 is in contact with the outside of the first adjustment wheel mounting holder 123 and the second adjustment wheel mounting holder 172, respectively, the position of the first adjustment wheel 120 is adjusted by driving the first adjustment wheel mounting holder 123, and the position of the second adjustment wheel 170 is adjusted by driving the second adjustment wheel mounting holder 172.
The sensing device 200 is used to obtain the rotation speed of the first regulating wheel 120 and the second regulating wheel 170 and the overloading pressure of the first regulating wheel 120 and the second regulating wheel 170.
Specifically, a wheel speed sensor and a heavy load pressure sensor are respectively integrated inside the first regulating wheel 120 and the controller second regulating wheel 170 to respectively acquire the rotating speeds of the first regulating wheel 120 and the second regulating wheel 170, and the heavy load pressures of the first regulating wheel 120 and the second regulating wheel 170.
The controller 400 is configured to generate the drive signal based on the rotational speeds of the first and second adjustment wheels 120, 170, the reloading pressures of the first and second adjustment wheels, and the selected operating mode.
Specifically, under the starting working condition, in order to ensure that the BSG motor can accelerate the engine to the idle speed or more in a short time, the pulley wrap angle, the pulley span, the pulley size and the tension of the whole BSG gear train 110 are calculated according to the rotating speeds of the first regulating wheel 120 and the second regulating wheel 170 and the heavy load pressures of the first regulating wheel 120 and the second regulating wheel 170, and then the first regulating wheel 120 and the second regulating wheel 170 are fixed at the 1-gear position through the driving device 300, in one example of the invention, the included angle of the first regulating wheel 120 and the second regulating wheel 170, which is influenced by the belt tension factor, is within a range of 72 degrees +/-3 degrees.
The stop working condition automatically cuts off the oil supply of the gasoline engine, and the engine is in a closed state. The first adjustment wheel 120 and the second adjustment wheel 170 are now set in the 1-stage position
The driver steps on the brake pedal under the deceleration condition, and transmits a signal to the BSG motor 110, so that the kinetic energy of the vehicle is converted into electric energy and stored. In one example of the present invention, the first adjustment wheel 120 and the second adjustment wheel 170 are now set in the 2-gear position, i.e., the first adjustment wheel 120 is rotated 7.5 ° ± 2 ° to the left in the 1-gear position, where the maximum included angle of the first adjustment wheel 120 and the second adjustment wheel 170 is in the range of 79 ° ± 2 °.
When the vehicle runs uniformly at a low gear and a low speed, the BSG motor 110 works as a driving motor, and the engine is cut off and flamed out. The first adjustment wheel 120 and the second adjustment wheel 170 are now in the 3-position. In one example of the present invention, first adjustment wheel 120 is rotated 4 ° ± 2 ° to the left in the 1 st gear position, and second adjustment wheel 170 is rotated 3 ° ± 0.75 ° to the right in the 1 st gear position, where the maximum included angle between first adjustment wheel 120 and second adjustment wheel 170 is in the range of 79 ° ± 2 °.
When the vehicle is started to accelerate, the BSG motor 110 serves as a drive motor to assist the engine torque. The first adjustment wheel 120 and the second adjustment wheel 170 are now set in the 4-stage position. In one example of the present invention, the second adjustment wheel 170 is rotated 5 ° ± 1 ° to the right in the 1-gear position, where the maximum included angle of the first adjustment wheel 120 and the second adjustment wheel 170 is in the range of 77 ° ± 2 °.
The engine normally works under other normal driving conditions, and the BSG motor 110 generates electricity to charge the battery. The first adjustment wheel 120 and the second adjustment wheel 170 are now set in the 1-stage position.
In an embodiment of the present invention, the controller 400 is further configured to determine that the belt is off tracking when the difference between the rotation speeds of the first regulating wheel 120 and the second regulating wheel 170 is greater than or equal to a preset rotation speed difference threshold value, and when the difference between the pressures of the first regulating wheel 120 and the second regulating wheel 170 is greater than or equal to a preset pressure difference threshold value.
In one example of the present invention, when the difference between the rotation speeds of the first regulating wheel 120 and the second regulating wheel 170 is greater than or equal to 1000r/min and the difference between the pressures of the first regulating wheel 120 and the second regulating wheel 170 is greater than or equal to 30N, the plane deviation angle of the first regulating wheel 120 and the second regulating wheel 170 is greater than or equal to 1.7 degrees and the angle deviation is greater than or equal to 2 degrees.
In one embodiment of the present invention, the BSG system further includes an adjusting device for adjusting the positions of the first regulating wheel 120 and the second regulating wheel 170 according to a first adjusting signal sent by the controller 400 to correct the deviation of the belt; the controller 400 is also configured to generate a first adjustment signal when it is determined that the belt is off tracking.
Specifically, after the controller 400 determines that the belt is off tracking, if the torque applied to the first adjustment wheel 120 is greater than that applied to the second adjustment wheel 170, the position of the first adjustment wheel 120 is finely adjusted downward, and the position of the second adjustment wheel 170 is finely adjusted upward to correct the off tracking of the belt. In one example of the present invention, the plane deviation angle of the adjusted first adjusting wheel 120 and the second adjusting wheel 170 is less than 0.7 degrees, the angle deviation is less than or equal to 1 degree, and the tension deviation of the wheel A and the wheel B is +/-25N.
In one embodiment of the present invention, the BSG system further includes: the stop block is arranged on the transmission roller of the BSG motor 110; the first sensing component is arranged inside the first adjusting wheel 120, and the first sensing module is used for generating a first sensing signal when the stop block approaches; the timing module is used for acquiring time information of a plurality of first sensing signals; and the counting module is used for acquiring the quantity information of the plurality of first sensing signals. Wherein the first regulating wheel 120 is disposed adjacent to the BSG motor 110. The controller 400 is further configured to calculate a first rotation period of the driving roller of the BSG motor 110 according to the time information of the plurality of first sensing signals and the number information of the plurality of first sensing signals, and further determine whether the belt slips according to the first rotation period and the standard rotation period.
In one embodiment of the present invention, the BSG system further includes: and a second sensing part disposed inside the second adjustment wheel 170, and the second sensing module is used for generating a second sensing signal when the stopper is close. The timing module is further configured to obtain time information of the plurality of second sensing signals, the counting module is further configured to obtain quantity information of the plurality of second sensing signals, and the controller 400 is further configured to calculate a second rotation period of the driving roller of the BSG motor 110 according to the time information of the plurality of first sensing signals, the quantity information of the plurality of first sensing signals, the time information of the plurality of second sensing signals, and the quantity information of the plurality of second sensing signals, and further determine whether the belt slips according to the second rotation period and the standard rotation period.
In one example of the present invention, two sets of rotation speed sensors are added inside the first regulating wheel 120 and the second regulating wheel 170, and a stop block used in cooperation with the rotation speed sensors is arranged on the inner edge of the transmission roller of the BSG motor, and the rotation speed sensors are arranged on the belt core fixing frame corresponding to the stop block on the BSG motor. Setting a time period of 0.2-0.75S which is greater than 0.5S of a cycle as a cycle by taking one revolution of a BSG motor transmission roller, and checking output switch signals of two groups of rotation speed sensors in real time by utilizing a counting and timing device; and if the output switch signal sent by the inspection switch can not be inspected within the time period of 0.2-0.75S, judging that the belt slips.
In one embodiment of the present invention, the controller 400 is further configured to generate a second adjustment signal when the belt slip is determined, and the adjusting device is further configured to adjust the positions of the first adjustment wheel and the second adjustment wheel based on the second adjustment signal to correct the belt slip. Namely, when the belt slips, the tolerance range is adjusted on the basis of the gear mode, the tension force borne by the BSG gear train 110 system is finely adjusted, and the belt slipping phenomenon is eliminated.
According to the embodiment of the invention, the mounting frame 111, the first adjusting wheel mounting holder 123, the second adjusting wheel mounting holder 172 and the driving device 300 which are of specific structures are arranged to limit and protect the first adjusting wheel 120 and the second adjusting wheel 170, so that the belt core of the BSG motor 110 is protected from being pulled out, and the belt is prevented from being torn.
Fig. 5(a) is a schematic top view and fig. 5(B) is a schematic side view of a mounting rack according to an embodiment of the invention. As shown in fig. 5(a) and 5(B), in one embodiment of the present invention, a boss 111A for shock absorption is provided on the mounting bracket 111. In one embodiment of the invention, the vibration attenuation of the entire train is attenuated by the 4-setting-angle camber feature.
Fig. 6 is a schematic structural diagram of a driving structure of a BSG system according to an embodiment of the present invention. As shown in fig. 6, in one embodiment of the present invention, the driving apparatus includes: a first driving part 310 for driving the first regulating wheel 120 to move; a second driving part 320 for driving the second adjustment wheel 170 to move; the first driving part and the second driving part are connected through a transition arc, and the transition arc is used for damping. In one example of the present invention, the transition arcs include a first transition arc 330 at an intermediate position, a second transition arc 340 connected to the first driving part 310, and a third transition arc 350 connected to the second driving part 320, and noise generated during movement of the belt may be balanced by the plurality of transition arcs.
According to the BSG system provided by the embodiment of the invention, the mode of using the tension wheel and the booster pump in the related technology is replaced by using the first adjusting wheel and the first adjusting wheel, and the BSG system has the advantages of simple structure, convenience in installation and disassembly and reliability in wheel train operation; the rotating speed and the heavy load pressure of the first adjusting wheel and the second adjusting wheel are acquired through the sensing device, so that the comprehensive detection of the faults of the belt system can be realized, and the tension of the belt system can be adjusted in real time according to a selected working condition mode; and the noise reduction and the shock absorption are realized by adopting a special structure.
Further, an embodiment of the present invention discloses a vehicle provided with the BSG system as in any one of the above embodiments. The vehicle can improve the working reliability of the gear train, comprehensively diagnose the fault of the belt system and adjust the belt system to eliminate the fault.
In addition, other configurations and functions of the vehicle according to the embodiment of the present invention are known to those skilled in the art, and are not described herein in detail in order to reduce redundancy.
The above embodiments are merely preferred embodiments of the present invention, which should not be construed as limiting the present invention, and any modifications, equivalents, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (9)
1. A BSG system, comprising:
the BSG gear train comprises a BSG motor, a first adjusting wheel, an idler wheel, a water pump, a crankshaft damping belt pulley, an air conditioner compressor belt pulley and a second adjusting wheel which are sequentially driven by a belt;
the sensing device is used for acquiring the rotating speeds of the first adjusting wheel and the second adjusting wheel and the heavy-load pressure of the first adjusting wheel and the second adjusting wheel;
the adjusting device is used for adjusting the positions of the first adjusting wheel and the second adjusting wheel in the BSG wheel train according to a driving signal sent by a controller;
the controller is used for generating the driving signal according to the rotating speeds of the first regulating wheel and the second regulating wheel, the heavy-load pressures of the first regulating wheel and the second regulating wheel and a selected working condition mode; wherein the BSG system further includes:
the stop block is arranged on a transmission roller of the BSG motor;
the first sensing component is arranged inside the first adjusting wheel, and the first sensing module is used for generating a first sensing signal when the stop block approaches;
the timing module is used for acquiring time information of a plurality of first sensing signals;
the counting module is used for acquiring the quantity information of the plurality of first sensing signals;
the controller is further used for calculating a first rotation period of a transmission roller of the BSG motor according to the time information of the plurality of first sensing signals and the quantity information of the plurality of first sensing signals, and further judging whether the belt slips or not according to the first rotation period and a standard rotation period.
2. The BSG system of claim 1, wherein the controller is further configured to calculate a pulley wrap angle, a pulley span, a pulley size, and a tension of the BSG train based on the rotational speeds of the first and second leveling wheels and the reloading pressures of the first and second leveling wheels, and to generate the drive signal based on the pulley wrap angle, the pulley span, the pulley size, the tension, and a selected operating mode.
3. The BSG system of claim 1, wherein the controller is further configured to determine that the belt is off-tracking when a difference between the rotational speeds of the first and second pulleys is greater than or equal to a predetermined threshold rotational speed difference and a difference between the pressures of the first and second pulleys is greater than or equal to a predetermined threshold pressure difference.
4. The BSG system of claim 1, further comprising:
the second sensing component is arranged inside the second adjusting wheel, and the second sensing module is used for generating a second sensing signal when the stop block approaches;
the timing module is further configured to obtain time information of a plurality of second sensing signals, the counting module is further configured to obtain quantity information of the plurality of second sensing signals, and the controller is further configured to calculate a second rotation period of a transmission drum of the BSG motor according to the time information of the plurality of first sensing signals, the quantity information of the plurality of first sensing signals, the time information of the plurality of second sensing signals, and the quantity information of the plurality of second sensing signals, and further determine whether the belt slips according to the second rotation period and the standard rotation period.
5. The BSG system of claim 3, further comprising:
the adjusting device is used for adjusting the positions of the first adjusting wheel and the second adjusting wheel according to a first adjusting signal sent by the controller so as to correct the deviation of the belt;
the controller is further used for generating the first adjusting signal when the belt is judged to be off tracking.
6. The BSG system of claim 4, further comprising:
the adjusting device is used for adjusting the positions of the first adjusting wheel and the second adjusting wheel according to a second adjusting signal so as to correct the slippage of the belt;
the controller is further configured to generate the second adjustment signal when the belt slip is determined.
7. The BSG system of claim 1, further comprising:
the mounting frame is provided with a bulge part for damping;
the BSG motor is fixedly arranged on the mounting rack.
8. The BSG system of claim 1, wherein the adjustment device comprises:
the first driving part is used for driving the first adjusting wheel to move;
the second driving part is used for driving the second adjusting wheel to move;
the first driving part and the second driving part are connected through the transition circular arc, and the transition circular arc is used for damping.
9. A vehicle characterized in that it is provided with a BSG system according to any one of claims 1-8.
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| CN201611246721.6A CN108253103B (en) | 2016-12-29 | 2016-12-29 | BSG system and vehicle |
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| CN201611246721.6A CN108253103B (en) | 2016-12-29 | 2016-12-29 | BSG system and vehicle |
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| CN108253103B true CN108253103B (en) | 2020-03-31 |
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| CN105626798A (en) * | 2014-11-21 | 2016-06-01 | 穆尔和本德公司 | Belt tensioning device |
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| US9303571B2 (en) * | 2013-11-13 | 2016-04-05 | Fca Us Llc | Torque management techniques for engine systems having belt-driven starter generators |
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| CN101196138A (en) * | 2006-12-06 | 2008-06-11 | 奇瑞汽车有限公司 | Engine belt transmission wheel series |
| CN104884842A (en) * | 2012-12-26 | 2015-09-02 | 利滕斯汽车合伙公司 | Orbital tensioner assembly |
| CN105308360A (en) * | 2014-04-28 | 2016-02-03 | 盖茨公司 | Orbital tensioner |
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| CN108253103A (en) | 2018-07-06 |
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