CN100404917C - Transmission sensing device for motor vehicle - Google Patents
Transmission sensing device for motor vehicle Download PDFInfo
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- CN100404917C CN100404917C CNB2005100573748A CN200510057374A CN100404917C CN 100404917 C CN100404917 C CN 100404917C CN B2005100573748 A CNB2005100573748 A CN B2005100573748A CN 200510057374 A CN200510057374 A CN 200510057374A CN 100404917 C CN100404917 C CN 100404917C
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Abstract
The motor vehicle's drive sensing device comprises a case, a drive shaft barrel, the No.1 drive shaft connected with the drive shaft barrel, and the No.2 drive shaft matched with the bearing at two ends inside the drive shaft barrel, with the drive shaft barrel connecting with the No.2 drive shaft through elastic self alignment coupler, which comprises a No.1 half coupler matched with the drive shaft barrel, the No.2 half coupler matched with the No.2 drive shaft, the rolling body between the No.1 and No.2 half couplers, and the spring base plates and spring components. On the case sets a displacement sensor, whose synchronic displacement spring base plates connected, the displacement sensor connected with the ECU of vehicles and the speed sensor on the case connected with the ECU of vehicles. While directly participating in the drive, this invention synchronically inspects the torque and speed signal with accurate signal acquisition, providing reliable data for intelligent controlled vehicles with the features of compact structure and mechanical self adaptation.
Description
Technical field
The present invention relates to transmission sensing device for motor vehicle, be specifically related to automobile, motor tricycle drive sensing device.
Background technique
Moment of torsion and change in rotational speed are the important informations of running state of the vehicle, and therefore, the detection of moment of torsion and speed is the important content of vehicle product development, quality testing, optimization control, monitoring of working condition and fault diagnosis.Can select for use the existing a lot of mature technique of the detection of speed, though the torque sensor that differs from one another has also been developed in the detection to moment of torsion, be used for specific occasions, but also there is deficiency separately. common torque sensor has the strain type torque sensor, magnetoelasticity type torque sensor, rotation angle type torque sensor and other type torque sensor. these torque sensors all can not be participated in transmission directly, therefore, the accuracy and the reliability of testing result are relatively poor. sensor and transmission part combined together, in participating in the process of transmission directly, synchronously automatic transmitting torque and velocity variations information are the trend of moment of torsion and velocity pick-up technical development.
Summary of the invention
The purpose of this invention is to provide a kind of transmission sensing device for motor vehicle, it is as the constituent element of transmission part, can in participating in the process of transmission directly, detect moment of torsion and rotating speed synchronously, for realizing that artificial-intelligent control provides in time, accurate data, reach distributing rationally between rotating speed, moment of torsion, the output power, guarantee that vehicle operating is in the optimum state.
Transmission sensing device for motor vehicle of the present invention, first transmission shaft that comprises the casing that is connected with vehicle frame, the transmission beam barrel that cooperates with the clutch shaft bearing and second bearing of tank ends, is connected with an end of transmission beam barrel, with the transmission beam barrel in the 3rd bearing at two ends and second transmission shaft that the 4th bearing cooperates; First transmission shaft is connected with input shaft by universal joint, and second transmission shaft is connected with output shaft by universal joint; It is characterized in that: the transmission beam barrel is connected by the elasticity self-alignment formula coupling and second transmission shaft;
Elasticity self-alignment formula coupling comprise first half-coupling that cooperates with transmission beam barrel inwall spline, with second transmission shaft on spline fitted second half-coupling, be located at rolling element between the tilt waveform chute mutual corresponding on first half-coupling and second half-coupling, be connected with second half-coupling and two ends stretch out the notch on the transmission beam barrel spring seat board, be located at the spring assembly between spring seat board and the 3rd bearing;
On casing, be provided with displacement sensor mechanism; Synchronous moving part on the spring seat board that displacement sensor mechanism comprises the displacement transducer that is located by connecting on the casing, be connected elasticity self-alignment formula coupling, between displacement transducer and synchronous moving part, be provided with the displacement transmitting assembly, the transfer wire of displacement transducer is drawn from casing, and ECU is connected with vehicle control device;
On the transmission beam barrel, be provided with sensor, sensor be located at casing on velocity transducer corresponding, the transfer wire of velocity transducer is drawn from casing; ECU is connected with vehicle control device.
Described transmission sensing device for motor vehicle, an end of its first transmission shaft is fixedly connected with a flower keyboard, and flower keyboard cooperates with the spline of transmission beam barrel inwall.
Adopt above structure can be implemented in the process of participating in transmission directly, the transmitting torque signal. its process is: the moment of torsion of motor output passes to first transmission shaft by input shaft, first transmission shaft is given the transmission beam barrel by the flower keyboard that connects at one end with moment of torsion, the transmission beam barrel passes to first half-coupling of elasticity self-alignment formula coupling, first half-coupling transmits second half-coupling, second half-coupling passes to second transmission shaft, second transmission shaft passes to output shaft again. and the moment of torsion of exporting when motor is overcoming the moment that running resistance changes, as when just going up a slope, running resistance increases and the rotating speed reduction, and the moment of torsion of motor output is through first transmission shaft, the transmission beam barrel is delivered to first half-coupling; Resistance then is delivered to second half-coupling by second transmission shaft; Driving force and resistance intersect in the cooperation place of first half-coupling and second half-coupling; Because variant between driving force and the resistance, make the asynchronous rotation of first half-coupling with second half-coupling, produce slippage between the two, second half-coupling when rotating to left translation, the extrusion spring assembly; The spring seat board that is connected with second half-coupling is moved to the left thereupon, and the synchronous moving part that is connected with spring seat board also is moved to the left thereupon, and moving part passes to displacement transducer by the displacement transmitting assembly with displacement signal synchronously.The reflection of this displacement signal be the be in operation truth of load variations of vehicle. displacement transducer passes to vehicle control device ECU with this displacement signal.Meanwhile, be located at sensor on the transmission beam barrel and rate signal is passed to be located at velocity transducer on the casing, velocity transducer passes to vehicle control device ECU again.
Vehicle control device is handled displacement signal and the rate signal received, sends the instruction that increases or reduce engine output torque.When engine output torque reaches the moment of torsion of vehicle actual demand, first half-coupling and second half-coupling rotate synchronously, spring assembly is in the initial stressed state, and spring seat board and synchronous moving part are in initial position, and the sensing head of displacement transducer also is in original position.So go round and begin again, in participating in the process of transmission directly with the displacement signal rate signal of obtaining, constantly be sent to vehicle control device, for realizing that intelligent transmission control provides reliable foundation, make it to reach distributing rationally between rotating speed, moment of torsion, the output power, keep vehicle to move in the best condition.
Described transmission sensing device for motor vehicle, the rolling element that is located between the tilt waveform chute corresponding mutually on first half-coupling and second half-coupling is a steel ball.With spring seat board near spring assembly be belleville spring more than a slice.
Described transmission sensing device for motor vehicle, the displacement transducer of its displacement sensor mechanism are differential transformer displacement transducer or for photoelectricity-electric vortex type displacement sensor or for Hall displacement transducer.
Described transmission sensing device for motor vehicle, its displacement transmitting assembly comprise the bearing that is fixedly connected on the casing, the displacement bearing, plane bearing, the sensing head that cooperate with bearing; Groove on the displacement bearing outside collar cooperates with the flange of synchronous moving part; Sensing head contacts with the gauge head of displacement transducer or is corresponding.The structure of displacement transmitting assembly is different and different with the type of the displacement transducer that is mated.
The present invention has the following advantages: it is when participating in the process of transmission directly, detect moment of torsion and tach signal synchronously, the signal that obtains is accurate, for realizing that the control of vehicle artificial-intelligent provides reliable data, make vehicle reach distributing rationally between rotating speed, moment of torsion, the output power under steam, remain on the optimum state; Compact structure has mechanical adaptive characteristics.
Description of drawings
Fig. 1 is the first form structure schematic representation of the present invention.
Fig. 2 is the A-A sectional view of Fig. 1.
Fig. 3 is the B-B sectional view of Fig. 1.
Fig. 4 is the C-C sectional view of Fig. 1.
Fig. 5 is the structural representation of the second half devices.
Fig. 6 is the left view of Fig. 5.
Fig. 7 is that the tilt waveform groove of the second half devices launches schematic representation.
Fig. 8 is the structural representation of the first half devices.
Fig. 9 is the left view of Fig. 8.
Figure 10 is that the tilt waveform groove of the first half devices launches schematic representation.
Figure 11 is the structural representation of transmission beam barrel.
Figure 12 is the left view of Figure 11.
Figure 13 is the plan view of Figure 11.
Figure 14 is the structural representation of second form of the present invention (displacement passes mechanism and adopts the electric vortex type displacement sensor).
Figure 15 is the structural representation of the 3rd form of the present invention (displacement passes mechanism and adopts Hall displacement transducer).
Embodiment
Embodiment 1: displacement passes mechanism and adopts differential transformer displacement transducer. referring to Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, Fig. 8, Fig. 9, Figure 10, Figure 11, Figure 12 and Figure 13, transmission beam barrel 4 is contained on the casing 1 that is connected with vehicle frame, cooperates with the clutch shaft bearing 2 and second bearing 3 of tank ends; Flower keyboard 22 is fixedly connected on an end of first transmission shaft 5, and the spline in flower keyboard 22 and the transmission beam barrel 4 is cooperated, the other end of first transmission shaft 5 is connected with input shaft 9 by universal joint;
Synchronous moving part 19 is connected on the spring seat board 16 of elasticity self-alignment formula coupling, displacement transducer 18 (present embodiment is a differential transformer displacement transducer) is located by connecting on the casing 1; Bearing 23 with the displacement transmitting assembly is fixedly connected on the casing 1 again, displacement bearing 24, plane bearing 25 and sensing head 26 cooperate with bearing 23, and sensing head 26 is contacted with the gauge head of differential transformer type displacement sensing, the groove on displacement bearing 24 outer collar cooperates with the flange of synchronous moving part 19; The transfer wire of displacement transducer is drawn from casing, and ECU is connected with vehicle control device;
Sensor 20 (magnet steel) is contained on the transmission beam barrel 4, and velocity transducer 21 is corresponding on making sensor and being contained in casing 1; The transfer wire of velocity transducer 21 is drawn from casing, and ECU is connected with vehicle control device.
Embodiment 2: displacement passes mechanism and adopts photoelectricity-electric vortex type displacement sensor.Referring to Figure 14, because the type of the displacement transducer that adopts is different with embodiment 1, so the structure of displacement transmitting assembly and embodiment 1 are different, this is that the those skilled in the art does not need to pay performing creative labour and just can make.All the other are identical with embodiment 1.
Embodiment 3: displacement passes mechanism and adopts Hall displacement transducer.Referring to Figure 15, because the type of the displacement transducer that adopts is different with embodiment 2 with embodiment 1, so, the structure of displacement transmitting assembly and embodiment 1 and embodiment 2 are different, and this also is that the those skilled in the art does not need to pay performing creative labour and just can make. and all the other are identical with embodiment 1.
Claims (6)
1. transmission sensing device for motor vehicle, first transmission shaft (5) that comprises the casing (1) that is connected with vehicle frame, the transmission beam barrel (4) that cooperates with the clutch shaft bearing (2) and second bearing (3) of tank ends, is connected with an end of transmission beam barrel, with the transmission beam barrel in the 3rd bearing (6) at two ends and second transmission shaft (8) that the 4th bearing (7) cooperates; First transmission shaft is connected with input shaft (9) by universal joint, and second transmission shaft is connected with output shaft (10) by universal joint; It is characterized in that: transmission beam barrel (4) is connected with second transmission shaft (8) by elasticity self-alignment formula coupling; Elasticity self-alignment formula coupling comprises: first half-coupling (11) that cooperates with transmission beam barrel inwall spline, second half-coupling (12) with spline fitted on second transmission shaft, be located at the rolling element (14) between the tilt waveform chute (13) corresponding mutually on first half-coupling and second half-coupling, be connected with second half-coupling and the spring seat board (16) of the notch (15) on the transmission beam barrel is stretched out at two ends, be located at the spring assembly (17) between spring seat board and the 3rd bearing (6);
Casing is provided with displacement sensor mechanism; Synchronous moving part (19) on the spring seat board (16) that displacement sensor mechanism comprises the displacement transducer (18) that is located by connecting on the casing (1), be connected elasticity self-alignment formula coupling, between displacement transducer (18) and synchronous moving part (19), be provided with the displacement transmitting assembly, the transfer wire of displacement transducer is drawn from casing, is connected with vehicle control device;
On the transmission beam barrel, be provided with sensor (20), sensor be located at casing on velocity transducer (21) corresponding, the transfer wire of velocity transducer is drawn from casing, is connected with vehicle control device.
2. transmission sensing device for motor vehicle according to claim 1 is characterized in that: an end of first transmission shaft (5) is fixedly connected with a flower keyboard (22), and flower keyboard (22) cooperates with the spline of transmission beam barrel (4) inwall.
3. transmission sensing device for motor vehicle according to claim 1 and 2 is characterized in that: the rolling element (14) that is located between the upward corresponding mutually tilt waveform chute of first half-coupling (11) and second half-coupling (12) is a steel ball.
4. transmission sensing device for motor vehicle according to claim 1 and 2 is characterized in that: with spring seat board near spring assembly (17) be the above belleville spring of a slice.
5. transmission sensing device for motor vehicle according to claim 1 and 2 is characterized in that: the displacement transducer of displacement sensor mechanism (18) is for differential transformer displacement transducer or for photoelectricity-electric vortex type displacement sensor or for Hall displacement transducer.
6. transmission sensing device for motor vehicle according to claim 1 and 2 is characterized in that: the displacement transmitting assembly comprises the bearing (23) that is fixedly connected on the casing (1), the displacement bearing (24) that cooperates with bearing, plane bearing (25), sensing head (26); Groove on displacement bearing (24) outer collar cooperates with the flange of synchronous moving part (19); Sensing head (26) contacts with the gauge head of displacement transducer (18) or is corresponding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100573748A CN100404917C (en) | 2005-11-09 | 2005-11-09 | Transmission sensing device for motor vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100573748A CN100404917C (en) | 2005-11-09 | 2005-11-09 | Transmission sensing device for motor vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1963268A CN1963268A (en) | 2007-05-16 |
| CN100404917C true CN100404917C (en) | 2008-07-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005100573748A Expired - Fee Related CN100404917C (en) | 2005-11-09 | 2005-11-09 | Transmission sensing device for motor vehicle |
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| CN (1) | CN100404917C (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102661824B (en) * | 2012-05-12 | 2013-09-04 | 吉林大学 | Power flexible driving torque detection device of test bed of railway vehicle transmission system |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6319132B1 (en) * | 1998-05-01 | 2001-11-20 | Dana Corporation | Motor vehicle torque transfer case with integral constant velocity (CV) joint |
| DE10210148A1 (en) * | 2002-03-07 | 2003-09-18 | Volkswagen Ag | Torque measurement device, especially for a motor vehicle power steering system comprises a sliding collar that is pushed up or down a drive shaft according to the steering direction with the displacement detected by sensors |
| US20030173133A1 (en) * | 2002-03-16 | 2003-09-18 | Deere & Company, A Delaware Corporation | Drive system of a utility vehicle |
| JP2004028229A (en) * | 2002-06-26 | 2004-01-29 | Komatsu Ltd | Speed control device for hydraulic drive vehicle and its control method |
| CN1627053A (en) * | 2003-12-13 | 2005-06-15 | 西南师范大学 | Cam traction type displacement transmission device for sensing angle of rotate speed of mechanical torque |
| CN1629599A (en) * | 2003-12-15 | 2005-06-22 | 西南师范大学 | Steel ball/roller push type mechanical torsional moment transmission and rotational speed sensing device |
-
2005
- 2005-11-09 CN CNB2005100573748A patent/CN100404917C/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6319132B1 (en) * | 1998-05-01 | 2001-11-20 | Dana Corporation | Motor vehicle torque transfer case with integral constant velocity (CV) joint |
| DE10210148A1 (en) * | 2002-03-07 | 2003-09-18 | Volkswagen Ag | Torque measurement device, especially for a motor vehicle power steering system comprises a sliding collar that is pushed up or down a drive shaft according to the steering direction with the displacement detected by sensors |
| US20030173133A1 (en) * | 2002-03-16 | 2003-09-18 | Deere & Company, A Delaware Corporation | Drive system of a utility vehicle |
| JP2004028229A (en) * | 2002-06-26 | 2004-01-29 | Komatsu Ltd | Speed control device for hydraulic drive vehicle and its control method |
| CN1627053A (en) * | 2003-12-13 | 2005-06-15 | 西南师范大学 | Cam traction type displacement transmission device for sensing angle of rotate speed of mechanical torque |
| CN1629599A (en) * | 2003-12-15 | 2005-06-22 | 西南师范大学 | Steel ball/roller push type mechanical torsional moment transmission and rotational speed sensing device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1963268A (en) | 2007-05-16 |
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| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Guangzhou Kinetek Jinghe Machinery Manufacturing Co., Ltd. Assignor: Southwest University Contract fulfillment period: 2008.9.5 to 2013.9.4 Contract record no.: 2009440001221 Denomination of invention: Transmission sensing device for motor vehicle Granted publication date: 20080723 License type: Exclusive license Record date: 20090806 |
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| LIC | Patent licence contract for exploitation submitted for record |
Free format text: EXCLUSIVE LICENSE; TIME LIMIT OF IMPLEMENTING CONTACT: 2008.9.5 TO 2013.9.4; CHANGE OF CONTRACT Name of requester: GUANGZHOU KINETEK JINGHE MACHINERY MANUFACTURING C Effective date: 20090806 |
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| CP02 | Change in the address of a patent holder |
Address after: 402460 Xueyuan Road 160, Rongchang District, Chongqing Patentee after: Southwest University Address before: 400715 No. 1 Tiansheng Road, Beibei District, Chongqing Patentee before: Southwest University |
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| CP02 | Change in the address of a patent holder | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080723 Termination date: 20201109 |
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| CF01 | Termination of patent right due to non-payment of annual fee |