CN108163128A - A kind of bilateral chain wheel axle torsion sensor of moped based on counter magnetostriction effect - Google Patents
A kind of bilateral chain wheel axle torsion sensor of moped based on counter magnetostriction effect Download PDFInfo
- Publication number
- CN108163128A CN108163128A CN201810163683.0A CN201810163683A CN108163128A CN 108163128 A CN108163128 A CN 108163128A CN 201810163683 A CN201810163683 A CN 201810163683A CN 108163128 A CN108163128 A CN 108163128A
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- China
- Prior art keywords
- axis
- resilient sleeve
- chain wheel
- wheel axle
- center shaft
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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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L3/00—Measuring torque, work, mechanical power, or mechanical efficiency, in general
- G01L3/02—Rotary-transmission dynamometers
- G01L3/04—Rotary-transmission dynamometers wherein the torque-transmitting element comprises a torsionally-flexible shaft
- G01L3/10—Rotary-transmission dynamometers wherein the torque-transmitting element comprises a torsionally-flexible shaft involving electric or magnetic means for indicating
- G01L3/101—Rotary-transmission dynamometers wherein the torque-transmitting element comprises a torsionally-flexible shaft involving electric or magnetic means for indicating involving magnetic or electromagnetic means
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Force Measurement Appropriate To Specific Purposes (AREA)
Abstract
The present invention relates to bicycle middle shaft torque detection technique fields,In particular it is a kind of bilateral chain wheel axle torsion sensor of moped based on counter magnetostriction effect,Including axis,Resilient sleeve,Center shaft outer sleeve,Coil block,Magnetostriction coating,Circuit board,Hall sensor,Middle hubcap and multistage magnet ring,The axis passes through key connection with resilient sleeve,Resilient sleeve is rotatably connected in center shaft outer sleeve,The right end of axis is rotatably connected in middle hubcap,The outer surface of the resilient sleeve is coated with magnetostriction coating,Coil block and circuit board are provided in cavity between the center shaft outer sleeve and resilient sleeve,Multistage magnet ring is fixedly connected on the axis,The Hall sensor is arranged between multistage magnet ring and center shaft outer sleeve,The output terminal of the coil block and Hall sensor is connected respectively by the input terminal of conducting wire and circuit board.The present invention solves the problems, such as that complicated in mechanical structure, reliability are low in existing torque sensor, of high cost, technical difficulty is high.
Description
Technical field
The present invention relates to bicycle middle shaft torque detection technique fields, are in particular that a kind of converse magnetostriction that is based on is imitated
The bilateral chain wheel axle torsion sensor of moped answered.
Background technology
With China's economic improvement of living standard, people restrike to movement of riding interest, Chinese market experienced from
It drives a vehicle after the transition of electric bicycle, electric assisted bicycle is small excellent with the mileages of continuation for charging primary length etc. with its power consumption
Point is becoming new developing direction.
The technology of Moped Scooter field forefront is that " torque sensor " is also known as " torque sensor ", main both at home and abroad at present
The torque sensor to be used has counter magnetostriction effect, torque displacement conversion plan, strain measurement scheme, torque magnetic resistance to turn
Scheme is changed, though respectively there is its feature, all there are many shortcomings when in use, and torque displacement conversion plan is at low cost, technology
Difficulty is low, but this scheme requires installation dimension height, needs the initial phase of stringent registration signal during installation for the first time, is unfavorable for giving birth to
Production, and the drift that torque detects is also easy to produce during later stage use；Strain measurement scheme is because of its power supply and the transmission of signal
Mode problem causes reliability general, and is not suitable under high-speed condition, interferes the relatively strong or environment for long-term monitoring torque
Lower operation；Though torque magnetic resistance conversion plan reliability is high, complicated in mechanical structure, technical difficulty are high；Counter magnetostriction effect
Mechanical structure is simple, reliability is high, but it is of high cost, technical difficulty is high.
Invention content
Complicated in mechanical structure, reliability in existing torque sensor are low, of high cost, technical difficulty is high in order to solve by the present invention
The problem of, provide a kind of moped based on counter magnetostriction effect bilateral chain wheel axle torsion sensor.
The purpose of the present invention is achieved through the following technical solutions：
A kind of bilateral chain wheel axle torsion sensor of moped based on counter magnetostriction effect, including axis, resilient sleeve,
Center shaft outer sleeve, coil block, magnetostriction coating, circuit board, Hall sensor, middle hubcap and multistage magnet ring, the axis
With resilient sleeve by key connection, the resilient sleeve is rotatably connected in center shaft outer sleeve, during the right end of the axis is rotatably connected on
In hubcap, the outer surface of the resilient sleeve is coated with magnetostriction coating, the cavity between the center shaft outer sleeve and resilient sleeve
Coil block and circuit board are inside provided with, multistage magnet ring is fixedly connected on the axis, the Hall sensor is arranged on more
Between grade magnet ring and center shaft outer sleeve, the output terminal of the coil block and Hall sensor passes through the defeated of conducting wire and circuit board respectively
Enter end connection.
As advanced optimizing for the technical program, a kind of moped based on counter magnetostriction effect of the present invention is double
Side chain wheel axle torsion sensor, the magnetostriction coating are arranged on the force part of resilient sleeve, and the coil block is coaxially arranged
There is the position of magnetostriction coating in resilient sleeve surface.
As advanced optimizing for the technical program, a kind of moped based on counter magnetostriction effect of the present invention is double
Side chain wheel axle torsion sensor, the coil block are formed by enamel covered wire coiling, and the enamel covered wire is wrapped in and magnetostriction
Coating coaxially on corresponding coil rack, is lined with insulating paper between adjacent two layers；The coil block includes two coils, and one is
Magnet exciting coil, one are induction coil, and magnet exciting coil is excitatory for magnetostriction coating, when magnetostriction coating is produced with change in torque
During raw deformation, the electromagnetic intensity detected by induction coil is caused to change, turned round so as to converse magnetic induction intensity with current
The correspondence of square.
As advanced optimizing for the technical program, a kind of bilateral axis of moped based on counter magnetostriction effect
The application method of torque sensor, the center shaft outer sleeve and middle hubcap are plugged on the both ends of bicycle bottom bracket respectively, described logical
The both ends of axis are respectively fixedly connected with two pedal cranks of bicycle；Axis both ends are stepped on to turn and be connect with bicycle both sides respectively no matter
Which side, which is stepped on, turns force, delivers torque to resilient sleeve by the key connection structure between axis and resilient sleeve, it is achieved thereby that
The independent of bilateral torque transmits.
As advanced optimizing for the technical program, a kind of bilateral axis of moped based on counter magnetostriction effect
The application method of torque sensor, the resilient sleeve are fixedly connected with bicycle chainwheel.
As advanced optimizing for the technical program, a kind of bicycle for having bilateral chain wheel axle torsion detection function is described
The axis of bicycle is the bilateral chain wheel axle torsion sensor of a kind of moped based on counter magnetostriction effect.
A kind of advantageous effect of the bilateral chain wheel axle torsion sensor of moped based on counter magnetostriction effect of the invention
For：
1st, the present invention uses the measuring method of inverse magnetic effect, can realize the contactless of torque under rotation and dynamic condition
It measures, and of less demanding to measuring environment, and magnetic conductivity has good invertibity, when stress removes, magnetic conductivity can return to
Original size, so torque sensor has good repeatability；
What the 2nd, the present invention used magneto strictive sensor measurement is subtle deformation under torsion of the metal shaft surface after stress,
The size for the torque trampled can be obtained by measuring subtle deformation signal, and precision is high, and power is with stepping on having, at low cost, safety
Property it is high, service life is long；
3rd, the present invention measures rotating speed using Hall element, not only increases the function of moped, and to help automatically
Force system provides data.
4th, the present invention maintains the complete axis form of axis, the additional bullet being serially connected in a suitable manner between axis and sprocket wheel
Property set, resilient sleeve by when bearing to ride both sides pedal crank transmit bilateral torque, measured entirely so as to fulfill bilateral torque.
Description of the drawings
The present invention will be further described in detail with specific implementation method below in conjunction with the accompanying drawings.
Fig. 1 is the overall structure diagram of the present invention.
In figure：Axis 1；Resilient sleeve 2；Center shaft outer sleeve 3；Coil block 4；Magnetostriction coating 5；Circuit board 6；Hall sensing
Device 7；Middle hubcap 8；Multistage magnet ring 9.
Specific embodiment
The present invention is described in further detail below in conjunction with the accompanying drawings.
Specific embodiment one：
Illustrate present embodiment, a kind of bilateral axis of moped based on counter magnetostriction effect with reference to Fig. 1
Torque sensor is passed including axis 1, resilient sleeve 2, center shaft outer sleeve 3, coil block 4, magnetostriction coating 5, circuit board 6, Hall
Sensor 7, middle hubcap 8 and multistage magnet ring 9, with resilient sleeve 2 by key connection, the resilient sleeve 2 is rotatably connected on the axis 1
In center shaft outer sleeve 3, the right end of the axis 1 is rotatably connected in middle hubcap 8, and the outer surface of the resilient sleeve 2 is coated with magnetic
Flexible coating 5 is caused, coil block 4 and circuit board 6 are provided in the cavity between the center shaft outer sleeve 3 and resilient sleeve 2, it is described logical
Multistage magnet ring 9 is fixedly connected on axis 1, the Hall sensor 7 is arranged between multistage magnet ring 9 and center shaft outer sleeve 3, the line
The output terminal of coil assembly 4 and Hall sensor 7 is connect respectively by conducting wire with the input terminal of circuit board 6；Bicycle bilateral is ridden
It turns the both ends respectively with axis 1 to be fixedly connected, bicycle chainwheel is connect with one end of resilient sleeve 2, passes through center shaft outer sleeve 3 and axis
The bilateral chain wheel axle torsion sensor of moped based on inverse magnetic effect is connected in bicycle bottom bracket by end cap 8, and bicycle makes
Used time, pedal crank drive axis 1 to rotate, and coil block 4 and magnetostriction coating 5 form torque detecting unit, logical for detecting
Torque suffered by axis 1；Multistage magnet ring 9 is rotated relative to Hall sensor 7, and multistage magnet ring 9 forms rotating speed relative to Hall sensor 7
Detection unit；In ride, torque is transferred to resilient sleeve 2 by axis 1, by resilient sleeve 2 with movable sprocket, overcomes riding resistance,
With the variation of riding resistance, the torque that need to be applied to 1 both sides of axis also changes therewith, so as to cause the change of 2 deflection of resilient sleeve
Change, while magnetostriction coating 5 generates collaboration deformation, change finally by 4 induced electromotive force of coil block and converse current
Torque value；In ride, conversed by the pulse frequency of multistage magnet ring 9 on the detection axis 1 of Hall sensor 7 and work as forward
Speed, so as to measure current riding speed.
Specific embodiment two：
Illustrate present embodiment with reference to Fig. 1, present embodiment is described further embodiment one, the mangneto
Flexible coating 5 is arranged on the force part of resilient sleeve 2, and the coil block 4 is coaxially arranged to be stretched in 2 surface of resilient sleeve with mangneto
The position of contracting coating 5, the coil block 4 are magnet exciting coil and measuring coil, the magnetostriction coating 5 and coil block 4
Form torque detecting unit.
Specific embodiment three：
Illustrate present embodiment with reference to Fig. 1, present embodiment is described further embodiment one or two, described
Coil block 4 is formed by enamel covered wire coiling, and the enamel covered wire is coaxially arranged to have magnetostriction coating in 2 surface of resilient sleeve
5 position is lined with insulating paper between adjacent two layers, and measuring principle is：The coil block 4 includes two coils, and one is encourages
Magnetic coil, one are induction coil, and magnet exciting coil is excitatory for magnetostriction coating, when magnetostriction coating is generated with change in torque
During deformation, the electromagnetic intensity detected by induction coil is caused to change, so as to converse magnetic induction intensity and current torque
Correspondence；The Hall sensor 7 is used for measuring rotating speed, and it is the volume because of its sound construction to select Hall sensor 7
Small, light-weight, long lifespan, easy for installation, small power consumption, frequency is high (up to 1MHZ), vibration resistance, be not afraid of dust, greasy dirt, steam and
The pollution or corrosion of salt fog etc..
Specific embodiment four：
Illustrating present embodiment with reference to Fig. 1, present embodiment is described further embodiment one, and described one
The application method of moped bilateral chain wheel axle torsion sensor of the kind based on counter magnetostriction effect, 3 He of center shaft outer sleeve
Middle hubcap 8 is plugged on the both ends of bicycle bottom bracket respectively, and the both ends of the axis 1 are respectively fixedly connected with two feet of bicycle
It steps on and turns；A kind of bilateral chain wheel axle torsion sensor of moped based on counter magnetostriction effect of the present invention is used with this
Bicycle middle shaft is replaced, in bicycle in use, two pedal crank stress drive axis 1 to rotate, the torque and rotating speed of axis 1 are
Torque and rotating speed for bicycle middle shaft；Bilateral measuring principle, which is that the both ends of axis 1 are stepped on respectively at bicycle both sides, turns connection,
No matter which side, which is stepped on, is turned force, delivers torque to resilient sleeve 2 by the key connection structure between axis 1 and resilient sleeve 2, so as to
The independent of bilateral torque is realized to transmit.
Specific embodiment five：
Illustrate present embodiment with reference to Fig. 1, present embodiment is described further embodiment one, and one kind is based on
The application method of the bilateral chain wheel axle torsion sensor of moped of counter magnetostriction effect, the resilient sleeve 2 are fixedly connected certainly
Driving sprocket wheel；Bicycle pedals are kidnaped dynamic axis 1 and are rotated during use, and axis 1 drives bicycle chainwheel to rotate through resilient sleeve 2；Institute
Stating resilient sleeve 2 can select that key connection is connect or passed through by single direction ratchet with bicycle chainwheel as needed.
Specific embodiment six：
Illustrate present embodiment with reference to Fig. 1, a kind of bicycle for having bilateral chain wheel axle torsion detection function, it is described from
The axis of driving is the bilateral chain wheel axle torsion sensor of a kind of moped based on counter magnetostriction effect, described
Bicycle can detect the torque and rotating speed of axis in real time when in use.
A kind of bilateral chain wheel axle torsion sensor of moped based on counter magnetostriction effect of the present invention, work are former
It manages and is：Both ends of the bicycle bilateral pedal crank respectively with axis 1 are fixedly connected, and bicycle chainwheel is connect with one end of resilient sleeve 2,
The bilateral chain wheel axle torsion sensor of moped based on inverse magnetic effect is connected to certainly by center shaft outer sleeve 3 and middle hubcap 8
In driving five is logical, for bicycle in use, pedal crank drives axis 1 to rotate, coil block 4 and magnetostriction coating 5 form torque
Detection unit, for detecting torque suffered by axis 1；Multistage magnet ring 9 is rotated relative to Hall sensor 7, multistage magnet ring 9 relative to
Hall sensor 7 forms rotation speed detection unit；In ride, torque is transferred to resilient sleeve 2 by axis 1, is driven by resilient sleeve 2
Sprocket wheel overcomes riding resistance, and with the variation of riding resistance, the torque that need to be applied to 1 both sides of axis also changes therewith, so as to cause
The variation of 2 deflection of resilient sleeve, while magnetostriction coating 5 generates collaboration deformation, finally by 4 induced electromotive force of coil block
Change and converse current torque value；In ride, the pulse frequency of multistage magnet ring 9 on axis 1 is detected by Hall sensor 7
Rate conversion goes out current rotating speed, so as to measure current riding speed.
Certainly, above description is not limitation of the present invention, and the present invention is also not limited to the example above, the art
The variations, modifications, additions or substitutions that those of ordinary skill is made in the essential scope of the present invention also belong to the guarantor of the present invention
Protect range.
Claims (6)
1. a kind of bilateral chain wheel axle torsion sensor of moped based on counter magnetostriction effect, including axis (1), resilient sleeve
(2), center shaft outer sleeve (3), coil block (4), magnetostriction coating (5), circuit board (6), Hall sensor (7), middle hubcap
(8) and multistage magnet ring (9), it is characterised in that：With resilient sleeve (2) by key connection, the resilient sleeve (2) turns the axis (1)
Dynamic to be connected in center shaft outer sleeve (3), the right end of the axis (1) is rotatably connected in middle hubcap (8), the resilient sleeve (2)
Outer surface be coated with magnetostriction coating (5), set in cavity between the center shaft outer sleeve (3) and resilient sleeve (2) wired
Coil assembly (4) and circuit board (6) are fixedly connected with multistage magnet ring (9), Hall sensor (7) setting on the axis (1)
Between multistage magnet ring (9) and center shaft outer sleeve (3), the output terminal of the coil block (4) and Hall sensor (7) passes through respectively
Conducting wire is connect with the input terminal of circuit board (6).
2. a kind of bilateral chain wheel axle torsion sensing of moped based on counter magnetostriction effect according to claim 1
Device, it is characterised in that：The magnetostriction coating (5) is arranged on the force part of resilient sleeve (2), and the coil block (4) is same
Axis, which is arranged in resilient sleeve (2) surface, has the position of magnetostriction coating (5).
3. the bilateral chain wheel axle torsion of a kind of moped based on counter magnetostriction effect according to claim 1 or 2 passes
Sensor, it is characterised in that：The coil block (4) is formed by enamel covered wire coiling, and the enamel covered wire is wrapped in be stretched with mangneto
On the coaxial corresponding coil rack of contracting coating (5), insulating paper is lined between adjacent two layers.
4. a kind of bilateral chain wheel axle torsion sensor of moped based on counter magnetostriction effect according to claim 1
Application method, the center shaft outer sleeve (3) and middle hubcap (8) are plugged on the both ends of bicycle bottom bracket, the axis (1) respectively
Both ends be respectively fixedly connected with two pedal cranks of bicycle.
5. a kind of bilateral chain wheel axle torsion sensor of moped based on counter magnetostriction effect according to claim 4
Application method, the resilient sleeve (2) is fixedly connected with bicycle chainwheel.
6. a kind of bicycle for having bilateral chain wheel axle torsion detection function, the axis of the bicycle is based on inverse for described one kind
The bilateral chain wheel axle torsion sensor of moped of magnetostrictive effect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810163683.0A CN108163128A (en) | 2018-02-27 | 2018-02-27 | A kind of bilateral chain wheel axle torsion sensor of moped based on counter magnetostriction effect |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810163683.0A CN108163128A (en) | 2018-02-27 | 2018-02-27 | A kind of bilateral chain wheel axle torsion sensor of moped based on counter magnetostriction effect |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108163128A true CN108163128A (en) | 2018-06-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810163683.0A Pending CN108163128A (en) | 2018-02-27 | 2018-02-27 | A kind of bilateral chain wheel axle torsion sensor of moped based on counter magnetostriction effect |
Country Status (1)
| Country | Link |
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| CN (1) | CN108163128A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110220620A (en) * | 2019-07-12 | 2019-09-10 | 太仓市悦博电动科技有限公司 | A kind of torsion sensor of built-in motor |
| CN110466668A (en) * | 2019-08-26 | 2019-11-19 | 苏州哈工拓普传感控制技术有限公司 | A kind of bilateral speed torque sensor of contactless electric booster bicycle |
| WO2023000539A1 (en) * | 2021-07-22 | 2023-01-26 | 珠海市钧兴机电有限公司 | Torsion sensor for moped scooter |
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| JP2000335475A (en) * | 1999-05-31 | 2000-12-05 | Matsushita Electric Ind Co Ltd | Driving unit for bicycle with auxiliary power and bicycle with auxiliary power |
| JP2000335474A (en) * | 1999-05-31 | 2000-12-05 | Matsushita Electric Ind Co Ltd | Bicycle with auxiliary power |
| JP2005274159A (en) * | 2004-03-22 | 2005-10-06 | Tdk Corp | Torque sensor |
| JP2005274160A (en) * | 2004-03-22 | 2005-10-06 | Tdk Corp | Torque sensor |
| CN101258390A (en) * | 2005-09-07 | 2008-09-03 | 雅马哈发动机株式会社 | Rotation detector and torque sensor |
| CN102143883A (en) * | 2008-10-02 | 2011-08-03 | 谢夫勒科技有限两合公司 | Bottom bracket |
| US20130133969A1 (en) * | 2011-11-29 | 2013-05-30 | Honda Motor Co., Ltd. | Magnetostrictive torque sensor, electrically assisted bicycle and electric power steering apparatus carrying the sensor |
| JP2014198505A (en) * | 2013-03-29 | 2014-10-23 | 本田技研工業株式会社 | Power-assisted bicycle |
| CN107209201A (en) * | 2015-01-30 | 2017-09-26 | Ncte股份公司 | Wireless speed probe, torque sensor and power sensor for bicycle |
-
2018
- 2018-02-27 CN CN201810163683.0A patent/CN108163128A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000335475A (en) * | 1999-05-31 | 2000-12-05 | Matsushita Electric Ind Co Ltd | Driving unit for bicycle with auxiliary power and bicycle with auxiliary power |
| JP2000335474A (en) * | 1999-05-31 | 2000-12-05 | Matsushita Electric Ind Co Ltd | Bicycle with auxiliary power |
| JP2005274159A (en) * | 2004-03-22 | 2005-10-06 | Tdk Corp | Torque sensor |
| JP2005274160A (en) * | 2004-03-22 | 2005-10-06 | Tdk Corp | Torque sensor |
| CN101258390A (en) * | 2005-09-07 | 2008-09-03 | 雅马哈发动机株式会社 | Rotation detector and torque sensor |
| CN102143883A (en) * | 2008-10-02 | 2011-08-03 | 谢夫勒科技有限两合公司 | Bottom bracket |
| US20130133969A1 (en) * | 2011-11-29 | 2013-05-30 | Honda Motor Co., Ltd. | Magnetostrictive torque sensor, electrically assisted bicycle and electric power steering apparatus carrying the sensor |
| JP2014198505A (en) * | 2013-03-29 | 2014-10-23 | 本田技研工業株式会社 | Power-assisted bicycle |
| CN107209201A (en) * | 2015-01-30 | 2017-09-26 | Ncte股份公司 | Wireless speed probe, torque sensor and power sensor for bicycle |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110220620A (en) * | 2019-07-12 | 2019-09-10 | 太仓市悦博电动科技有限公司 | A kind of torsion sensor of built-in motor |
| CN110466668A (en) * | 2019-08-26 | 2019-11-19 | 苏州哈工拓普传感控制技术有限公司 | A kind of bilateral speed torque sensor of contactless electric booster bicycle |
| WO2023000539A1 (en) * | 2021-07-22 | 2023-01-26 | 珠海市钧兴机电有限公司 | Torsion sensor for moped scooter |
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Effective date of registration: 20190109 Address after: Room 105-8, No. 10 Jinshan Road, Suzhou High-tech Zone, Jiangsu Province Applicant after: SUZHOU HAGONG TUOPU SENSING CONTROL TECHNOLOGY Co.,Ltd. Address before: 150000 Harbin University of Technology, 92 Xidazhi Street, Nangang District, Harbin City, Heilongjiang Province Applicant before: Song Wenping |
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Effective date of registration: 20230524 Address after: Building 3, No. 901, the Pearl River Road, High tech Zone, Suzhou City, Jiangsu Province, 215000 Applicant after: Suzhou Hagong Tuopu Zhixing Technology Co.,Ltd. Address before: Room 105-8, No. 10 Jinshan Road, Suzhou High-tech Zone, Jiangsu Province Applicant before: SUZHOU HAGONG TUOPU SENSING CONTROL TECHNOLOGY Co.,Ltd. |
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Application publication date: 20180615 |
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| RJ01 | Rejection of invention patent application after publication |