CN102490858B - Butt joint type motor for torque sensor - Google Patents
Butt joint type motor for torque sensor Download PDFInfo
- Publication number
- CN102490858B CN102490858B CN 201110450011 CN201110450011A CN102490858B CN 102490858 B CN102490858 B CN 102490858B CN 201110450011 CN201110450011 CN 201110450011 CN 201110450011 A CN201110450011 A CN 201110450011A CN 102490858 B CN102490858 B CN 102490858B
- Authority
- CN
- China
- Prior art keywords
- slip ring
- torque sensing
- type torque
- gear type
- motor
- 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.)
- Expired - Fee Related
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62M—RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
- B62M6/00—Rider propulsion of wheeled vehicles with additional source of power, e.g. combustion engine or electric motor
- B62M6/40—Rider propelled cycles with auxiliary electric motor
- B62M6/45—Control or actuating devices therefor
- B62M6/50—Control or actuating devices therefor characterised by detectors or sensors, or arrangement thereof
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62M—RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
- B62M6/00—Rider propulsion of wheeled vehicles with additional source of power, e.g. combustion engine or electric motor
- B62M6/40—Rider propelled cycles with auxiliary electric motor
- B62M6/60—Rider propelled cycles with auxiliary electric motor power-driven at axle parts
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/14—Structural association with mechanical loads, e.g. with hand-held machine tools or fans
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Power Engineering (AREA)
- Force Measurement Appropriate To Specific Purposes (AREA)
Abstract
The invention discloses a butt joint type motor for a torque sensor. The motor comprises a motor shaft and a motor shell arranged on the motor shell, wherein a transmission flywheel is arranged on the motor shaft; a cavity formed by an annular bulge is formed on one side of the motor shell; a movable ratchet type torsion induction slip ring component with magnetic steel is accommodated in a space which is formed by matching a torsion induction seat with the cavity in a butt joint mode; a ratchet of the flywheel is matched with a tooth socket which is annularly distributed on a ratchet type torsion induction slip ring in the ratchet type torsion induction slip ring component; and the magnetic steel on the ratchet type torsion induction slip ring component is matched with a Hall element on the motor shaft in a magnetic induction mode, so that electrical signals are outputted to control the stress application rotation of a vehicle. According to the motor, all Hall sensor parts are arranged on the motor shell ingeniously, so that the problem of space occupation due to the setting of functions is solved; and the motor has an obvious magnetic induction effect, contributes to intensification production, is low-carbon and environment-friendly and is convenient to mount and maintain.
Description
Technical field
The present invention relates to vehicle electric servodrive field, relate in particular to a kind of structure of bicycle electric assistant sensor motor.
Background technology
In bicycle electric assistant sensor field, Chinese invention patent application 201110125438.9 discloses a kind of " structure of the electric boosted sensor that cooperates with back fork of bicycle ", side bottom at described back fork of bicycle is provided with a groove, fixedly install a circuit card that Hall element is installed in the groove, also be equipped with a sensor module that passes on the rear axle that the bottom portion of groove long slot bore is moving type in the groove, a permanent magnet that arranges on the described sensor module cooperates with Hall element magnetic induction on the described circuit card; Because of described rear axle be limited in the bottom portion of groove long slot bore mobile, therefore, when utilizing rear axle to move, and the relatively-stationary permanent magnet of rear axle and and Hall element between magnetic induction change output electric signal and the reinforcing of controlling bicycle motor is rotated; The mode that the Hall element of this kind structure adopts machinery to arrange, its principle of work are the strength that vehicle that the Hall element that will be arranged with the motor branch obtains produces acceleration/accel when riding, and are converted into electric signal, are used for the drive motor reinforcing and travel; Obviously, the motor that this structure provides belongs to corresponding branch with Hall element and is arranged, comparatively speaking, reduced the fiduciary level of transducing signal, and production process is more, improve productive costs, made its range of use be restricted, thereby pressed for New-type electric machine that design a kind of motor and Hall element combine to satisfy the various demands in market.
Summary of the invention
The purpose of this invention is to provide a kind of standardized, be applicable to that various sensings and the vehicle booster that drives functional unification are with one butt joint type torque sensor motor.
Technical scheme of the present invention is achieved in that
A kind of one butt joint type torque sensor motor is provided, comprise motor shaft and be arranged on electric machine casing on the motor shaft, also be provided with a transmission flywheel on the described motor shaft, it is characterized in that: described electric machine casing one side arranges a hollow reservoir that is made of annular projection, there is a torque sensing seat to cooperate in the formed space, back with described hollow reservoir butt joint, ccontaining one has the movable Retchet gear type torque sensing slip ring assembly of magnet steel, the teeth groove that distributes ringwise on the Retchet gear type torque sensing slip ring in the ratchet of described flywheel and the described Retchet gear type torque sensing slip ring assembly matches, described motor shaft is provided with a Hall element, magnet steel on the described Retchet gear type torque sensing slip ring assembly cooperates with described Hall element magnetic induction, thus output electric signal and the reinforcing of controlling vehicle is rotated.
After adopting this technical scheme, can reach following technique effect:
As bicyclist forward during accelerated movement, by foot-operated afterburning, drive flywheel, power transmission is to Retchet gear type torque sensing slip ring, and then drive Retchet gear type torque sensing slip ring assembly and make horizontal displacement with respect to the torque sensing seat, the magnet steel on the Retchet gear type torque sensing slip ring assembly and the Hall element on the motor shaft produce electric signal because producing relative displacement, again through after the processing of sensor central process unit, send corresponding driving instruction, make vehicle be able to power-assisted and travel; When car retardation or descending, the flywheel slipping, Retchet gear type torque sensing slip ring restores playback, and sensor central process unit output signal ends, and motor stops reinforcing, to reach safety traffic and purpose of energy saving.
Aforesaid one butt joint type torque sensor motor, it is characterized in that: described Retchet gear type torque sensing slip ring assembly is made up of the elastic reset member that cooperates with Retchet gear type torque sensing slip ring, magnet steel and described torque sensing seat, after being positioned at elastic reset member on the Retchet gear type torque sensing slip ring, adapt in the described torque sensing seat, and the rotation of torque sensing seat is fixed in the described hollow reservoir.
One end of described torque sensing seat is semiclosed shape, and described torque sensing seat is provided with a through hole and cooperates with described motor shaft, and described motor shaft passes from described through hole, cooperates with described Retchet gear type torque sensing slip ring assembly coaxial transition.Described torque sensing seat is limited to described the butt joint with described hollow reservoir rotation by a torque sensing seat with described Retchet gear type torque sensing slip ring assembly and cooperates in the formed space, back, thereby constitute a kind of relative motor, motor outside face relative fixed and its inner chamber is the structure of active state is beneficial to produce magnetic induction and cooperates and output power-assisted signal.
Aforesaid one butt joint type torque sensor motor, it is characterized in that: the inwall bottom of described torque sensing seat is the circumference five equilibrium and is distributed with a plurality of steel ball knock holees, described Retchet gear type torque sensing slip ring bottom is then that the circumference five equilibrium is corresponding to be distributed with a plurality of steel ball displacement skewed slots, the foundation ring of described Retchet gear type torque sensing slip ring falls to being positioned on a plurality of steel balls, Retchet gear type torque sensing slip ring is subjected to the tangential force effect and drives steel ball back and forth rolling on the slope of skewed slot, and then the power of circular movement is converted into the power of axial translation, reach the purpose that forms displacement.
Aforesaid one butt joint type torque sensor motor is characterized in that: being circle distribution on the described Retchet gear type torque sensing slip ring has the retracing spring positioning groove.
Aforesaid one butt joint type torque sensor motor is characterized in that: the bottom of described Retchet gear type torque sensing slip ring and described hollow reservoir bottom are provided with an elastic reset member.Rely on the restoring force that produces after the deformation of described elastic reset member pressurized and Retchet gear type torque sensing slip ring assembly is resetted.
Aforesaid one butt joint type torque sensor motor, it is characterized in that: described motor shaft is provided with the Hall element mounting groove.
Aforesaid one butt joint type torque sensor motor is characterized in that: described magnet steel is embedded on the described Retchet gear type torque sensing slip ring with one heart.After described Retchet gear type torque sensing slip ring assembly was in place, the magnetic induction position of magnet steel and Hall element was suitable, was beneficial to obtain better the magnetic induction effect, improved magnetic induction sensitivity and fiduciary level.
The present invention all is arranged at the Hall element parts on the electric machine casing dexterously, thereby constitute the torque sensor motor of integral type, solved the contradiction that takes up room because of function setting, and standardization level height, widely applicable, the magnetic induction effect is obvious, is beneficial to intensive production, low-carbon (LC), environmental protection, and installation and maintenance are convenient.
Description of drawings
Fig. 1 is the STRUCTURE DECOMPOSITION figure of an embodiment of the present invention.
Fig. 2 is the structure enlarged drawing of torque sensing seat among Fig. 1.
Fig. 3 is the structure enlarged drawing of Retchet gear type torque sensing slip ring among Fig. 1.
The specific embodiment
The present invention is further illustrated below in conjunction with accompanying drawing, but be not limited to following various embodiment:
Referring to Fig. 1 to Fig. 3:
A kind of one butt joint type torque sensor motor is provided, comprise motor shaft 2 and be arranged on electric machine casing 1 on the motor shaft 2, also be provided with transmission flywheel 8 on the described motor shaft 2, one side of described electric machine casing 1 arranges a hollow reservoir 12 that is made of annular projection 11, there is a torque sensing seat 7 to cooperate in the formed space, back with described hollow reservoir 12 rotation butt joints, ccontaining one has the movable Retchet gear type torque sensing slip ring assembly of magnet steel 34, the teeth groove 31 that distributes ringwise on the Retchet gear type torque sensing slip ring 3 in the ratchet 81 of described flywheel 8 and the described Retchet gear type torque sensing slip ring assembly matches, described motor shaft 2 is provided with a Hall element 22, magnet steel 34 on the described Retchet gear type torque sensing slip ring assembly cooperates with described Hall element 22 magnetic induction, thus output electric signal and the reinforcing of controlling vehicle is rotated.
Described Retchet gear type torque sensing slip ring assembly is made up of the elastic reset member 4 that cooperates with Retchet gear type torque sensing slip ring 3, magnet steel 34 and described torque sensing seat 7, after being positioned at elastic reset member 4 on the Retchet gear type torque sensing slip ring 3, adapt in the described torque sensing seat 7, and 7 rotations of torque sensing seat are fixed in the described hollow reservoir 12.
One end of described torque sensing seat 7 is semiclosed shape, and described torque sensing seat 7 is provided with a through hole 71 and cooperates with described motor shaft 2, and described motor shaft 2 passes from described through hole 71, cooperates with described Retchet gear type torque sensing slip ring assembly coaxial transition.Described torque sensing seat 7 is limited to described the butt joint with described hollow reservoir 12 rotations by a torque sensing seat 7 with described Retchet gear type torque sensing slip ring assembly and cooperates in the formed space, back, thereby constitute a kind of relative motor, motor outside face relative fixed and its inner chamber is the structure of active state is beneficial to produce magnetic induction and cooperates and output power-assisted signal.
The inwall bottom of described torque sensing seat 7 is the knock hole 72 that the circumference five equilibrium is distributed with a plurality of steel balls 6, be then on the described Retchet gear type torque sensing slip ring 3 that the circumference five equilibrium is corresponding to be distributed with a plurality of steel ball displacement skewed slots 32, described Retchet gear type torque sensing slip ring 3 falls to being positioned on a plurality of steel balls 6, Retchet gear type torque sensing slip ring 3 is subjected to the tangential force effect and drives steel ball back and forth rolling on the slope of skewed slot 32, and then the power of circular movement is converted into the power of axial translation, reach the purpose that forms displacement.
Be the circle distribution positioning groove 33 that has elastic component on the described Retchet gear type torque sensing slip ring 3, retracing spring 5 is installed in positioning groove 33.Described retracing spring 5 is limited to 73 of the projectioies of positioning groove 33 and torque sensing seat 7, forms the elasticity spinning reduction structure of retracing spring 5.
Rely on the restoring force that produces after the described elastic reset member 4 pressurized deformation and Retchet gear type torque sensing slip ring assembly is axially resetted, described elastic reset member 4 is a waveform bullet circle.
Described motor shaft 2 is provided with the mounting groove 21 of Hall element 22.
Described magnet steel 34 is embedded on the described Retchet gear type torque sensing slip ring 3 with one heart.After described Retchet gear type torque sensing slip ring assembly was in place, magnet steel 34 was suitable with the magnetic induction position of Hall element 22, is beneficial to obtain better the magnetic induction effect, improved magnetic induction sensitivity and fiduciary level.
A kind of Application Example of the present invention further is provided below:
A kind of collapsible pedal and electric dual-purpose bicycle that motor of the present invention is installed is provided, its motor is installed on the described bicycle rear axle, described sensor terminal read-out is arranged on the described handle-bar, when the bicyclist firmly drives flywheel, the Retchet gear type torque sensing slip ring 3 of Retchet gear type torque sensing slip ring assembly of the present invention reverses at the slope of steel ball 6 upper edge skewed slots 32, thereby be converted into the horizontal displacement stroke of Retchet gear type torque sensing slip ring 3, constitute the cutting magnetic line action, make magnet steel 34 and the Hall element on the motor shaft 2 22 on the Retchet gear type torque sensing slip ring assembly produce the magnetic induction signals after the sensor central process unit receives, output motor add electric signal, motor plays the power-assisted effect; When bicycle did not have pedal force or deceleration, descending, under the effect of retracing spring 5, Retchet gear type torque sensing slip ring assembly resetted, and at this moment, Hall element 22 makes zero with the induced signal of magnet steel 34, and central process unit provides pick-off signal, and motor is refused power-assisted; Like this, motor power-assisted when described bicycle accelerates to advance only.
Have the structure of the one butt joint type torque sensor motor of technical characterictic described herein, all fall into this patent protection domain.
Claims (4)
1. one butt joint type torque sensor motor, comprise motor shaft and be arranged on electric machine casing on the motor shaft, also be provided with a transmission flywheel on the described motor shaft, it is characterized in that: described electric machine casing one side arranges a hollow reservoir that is made of annular projection, there is a torque sensing seat to cooperate in the formed space, back with described hollow reservoir butt joint, ccontaining one has the movable Retchet gear type torque sensing slip ring assembly of magnet steel, the teeth groove that distributes ringwise on the Retchet gear type torque sensing slip ring in the ratchet of described flywheel and the described Retchet gear type torque sensing slip ring assembly matches, described Retchet gear type torque sensing slip ring assembly is by the elastic reset member that cooperates with Retchet gear type torque sensing slip ring, magnet steel and described torque sensing seat are formed, after being positioned at elastic reset member on the Retchet gear type torque sensing slip ring, adapt in the described torque sensing seat, and its whole rotation is fixed in the described hollow reservoir; Described motor shaft is provided with a Hall element, magnet steel on the described Retchet gear type torque sensing slip ring assembly cooperates with described Hall element magnetic induction, the inwall bottom of described torque sensing seat is the circumference five equilibrium and is distributed with a plurality of steel ball knock holees, described Retchet gear type torque sensing slip ring bottom is then that the circumference five equilibrium is corresponding to be distributed with a plurality of steel ball displacement skewed slots, the foundation ring of described Retchet gear type torque sensing slip ring falls to being positioned on a plurality of steel balls, and Retchet gear type torque sensing slip ring is subjected to the tangential force effect and drives steel ball back and forth rolling on the slope of skewed slot; Thereby output electric signal and the reinforcing of controlling vehicle is rotated.
2. one butt joint type torque sensor motor as claimed in claim 1, it is characterized in that: being circle distribution on the described Retchet gear type torque sensing slip ring has the retracing spring positioning groove.
3. one butt joint type torque sensor motor as claimed in claim 1, it is characterized in that: described motor shaft is provided with the Hall element mounting groove.
4. one butt joint type torque sensor motor as claimed in claim 1, it is characterized in that: described magnet steel is embedded in Retchet gear type torque sensing slip ring with one heart.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110450011 CN102490858B (en) | 2011-12-29 | 2011-12-29 | Butt joint type motor for torque sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110450011 CN102490858B (en) | 2011-12-29 | 2011-12-29 | Butt joint type motor for torque sensor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102490858A CN102490858A (en) | 2012-06-13 |
| CN102490858B true CN102490858B (en) | 2013-07-17 |
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ID=46182731
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110450011 Expired - Fee Related CN102490858B (en) | 2011-12-29 | 2011-12-29 | Butt joint type motor for torque sensor |
Country Status (1)
| Country | Link |
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| CN (1) | CN102490858B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202508256U (en) * | 2011-12-29 | 2012-10-31 | 无锡尚格工业设计有限公司 | Butt joint type torque sensor motor |
| CN107618615A (en) * | 2017-08-29 | 2018-01-23 | 新安乃达驱动技术（上海）股份有限公司 | Hall type torque sensor and motor |
| CN113247169B (en) * | 2021-06-11 | 2022-09-30 | 天津美派电动科技有限公司 | Switch type chain wheel driving mechanism |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5581136A (en) * | 1994-12-20 | 1996-12-03 | Li; I-Ho | Auxiliary magnetic motor (AMM) |
| CN101320927B (en) * | 2008-04-01 | 2012-12-26 | 张宏艳 | Electric motor speed variation unit |
| CN101330237A (en) * | 2008-07-22 | 2008-12-24 | 重庆宗申发动机制造有限公司 | Brushless magnetic motor for motorcycle engine |
| CN202508256U (en) * | 2011-12-29 | 2012-10-31 | 无锡尚格工业设计有限公司 | Butt joint type torque sensor motor |
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2011
- 2011-12-29 CN CN 201110450011 patent/CN102490858B/en not_active Expired - Fee Related
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| CN102490858A (en) | 2012-06-13 |
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Granted publication date: 20130717 Termination date: 20171229 |
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| CF01 | Termination of patent right due to non-payment of annual fee |