CN102795514B - Intelligent control system of spinning winder - Google Patents
Intelligent control system of spinning winder Download PDFInfo
- Publication number
- CN102795514B CN102795514B CN201210136256.6A CN201210136256A CN102795514B CN 102795514 B CN102795514 B CN 102795514B CN 201210136256 A CN201210136256 A CN 201210136256A CN 102795514 B CN102795514 B CN 102795514B
- Authority
- CN
- China
- Prior art keywords
- drive element
- control chip
- winding machine
- intelligent controller
- bobbin
- 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.)
- Active
Links
Landscapes
- Looms (AREA)
- Spinning Or Twisting Of Yarns (AREA)
Abstract
The invention aims to disclose an intelligent control system of a spinning winder. The system comprises an intelligent control unit arranged on each spindle of the winder; the intelligent control unit comprises an intelligent controller; the intelligent controller is connected with a winding mechanism of the winder through a first drive component; the intelligent controller is connected with a yarn guide mechanism of the winder through a second drive component; the intelligent controller is connected with a yarn feeding mechanism of the winder through a third drive component; and the intelligent controller is also connected with a tension sensor and a winding turn number sensor. Compared with the prior art, the winding mechanism, the yarn guide mechanism and the yarn feeding mechanism are driven by three DC (direct current) brushless motors respectively; the yarn winding speed can reach the rated linear speed of 600m per minute, the maximum linear speed is 800m per minute, and the yarn winding and overlapping are in consistent tightness; the overall performance of the spinning winder is obviously improved, and the manufacturing cost is very low; and the system is favorable for wide application and achieves the aims of the invention.
Description
Technical field
The present invention relates to a kind of intelligent control system, the weaving bobbin-winding machine intelligent control system that particularly a kind of winding mechanism of the bobbin-winding machine that is applicable to weave, Yarn guide mechanism and yarn-feeding device drive.
Background technology
Bobbin-winding machine is the specialized equipment of textile industry, and winder, as last procedure and the woven first working procedure of spinning, plays a part to form a connecting link, thereby occupies an important position in field of textiles.
Weaving bobbin-winding machine is for the last procedure of yarn dyeing, has the yarn cylinder of strict demand by needing dyed yarn to be wound into overlapping and degree of tightness; Weaving bobbin-winding machine includes winding mechanism, Yarn guide mechanism and yarn-feeding device.
At present, on market, the bobbin-winding machine of main flow (as shown in Figure 1) adopts one drag two special converter 10 to drive winding mechanism 20 and yarn-feeding device 30 by coiling motor 11 and overfeeding motor 12, volume yarn speed reaches 300 ms/min of nominal linear speed, maximum line velocity is 600 ms/min, and Yarn guide mechanism 40 still adopts mechanical mechanism 50(guide groove drum mechanical linkage which controls) realize, on one drag two special converter 10, be also connected with tension pick-up 13, coiling number of turns sensor 14, broken yarn annunciator 15 and operation control panel 16; Owing to adopting the folded precision of AC induction motor frequency control and mechanical linkage guide, volume yarn speed and volume to be difficult to improve, limit the overall performance of weaving bobbin-winding machine, mechanism's complexity.
In addition, minority advanced person's bobbin-winding machine adopts servo control technique, adopt driven by servomotor winding mechanism, Yarn guide mechanism and yarn-feeding device, (nominal linear speed is 800 ms/min to realize higher volume yarn speed, maximum line velocity is 1000 ms/min) and the folded precision of volume, but it is perfect that its control technology is still needed, and control system cost is very high, is difficult to popularization and application.
Therefore, need especially a kind of weaving bobbin-winding machine intelligent control system, solved the problem of above-mentioned existing existence.
Summary of the invention
The object of the present invention is to provide a kind of weaving bobbin-winding machine intelligent control system, for the deficiencies in the prior art, drive respectively winding mechanism, Yarn guide mechanism and yarn-feeding device with three performance-oriented DC brushless motors, can simplify significantly mechanical mechanism, improve volume yarn speed and volume yarn precision, there is good performance and cost lower, be conducive to popularization and application.
Technical matters solved by the invention can realize by the following technical solutions:
A kind of weaving bobbin-winding machine intelligent control system, it is characterized in that, it comprises the intelligent control unit being arranged on each ingot of bobbin-winding machine, described intelligent control unit comprises an intelligent controller, described intelligent controller connects the winding mechanism of bobbin-winding machine by one first drive element, described intelligent controller connects the Yarn guide mechanism of bobbin-winding machine by one second drive element, described intelligent controller connects the yarn-feeding device of bobbin-winding machine by one the 3rd drive element, be also connected with tension pick-up and coiling number of turns sensor on described intelligent controller.
In one embodiment of the invention, between described intelligent controller, by the connection that communicates with one another of RS485 bus, and be connected with a Centralized Controller.
In one embodiment of the invention, on described intelligent controller, be also connected with a broken yarn annunciator.
In one embodiment of the invention, on described intelligent controller, be also connected with an operation control panel.
In one embodiment of the invention, described the first drive element, the second drive element and the 3rd drive element are DC brushless motor.
In one embodiment of the invention, described intelligent controller comprises one first control chip and one second control chip, described the first control chip communicates with one another and is connected with described the second control chip, the drive end of described the first control chip connects the first drive element and the second drive element by drive part respectively, and the feedback end of described the first drive element and the second drive element is connected with the feedback end of described the first control chip; The drive end of described the second control chip connects described the 3rd drive element by drive part, and the feedback end of described the 3rd drive element connects the feedback end of described the second control chip.
Further, described drive part comprises a driving chip and the bridge arm circuit being made up of metal-oxide-semiconductor, described driving chip connects the input end of bridge arm circuit, and the mouth of described bridge arm circuit connects respectively the first drive element, the second drive element or the 3rd drive element.
Further, described intelligent controller also comprises a rectifier circuit and a switching power circuit, and alternating current 220V power supply is connected respectively the power end of the first control chip and the second control chip by rectifier circuit and switching power circuit.
Further, the feedback end of described the first drive element, the second drive element and the 3rd drive element is connected to each other with the feedback end of described the first control chip and the second control chip respectively by buffering driver.
Further, on described the first control chip, be connected with memory device.
Further, on described the first control chip and the second control chip, be connected with reset chip.
Further, described the first control chip is communicated with one another and is connected with other intelligent controller by a communication module.
Further, on described the first control chip, be connected with external terminal input/output module.
Weaving bobbin-winding machine intelligent control system of the present invention, compared with prior art, adopt three DC brushless motors to drive respectively winding mechanism, Yarn guide mechanism and yarn-feeding device, volume yarn speed can reach 600 ms/min of nominal linear speed, and maximum line velocity is 800 ms/min, and reel for yarn is around overlapping consistent with degree of tightness, significantly improve weaving bobbin-winding machine overall performance, cost is very low, is conducive to widespread use, realizes object of the present invention.
Feature of the present invention can be consulted the detailed description of the graphic and following better embodiment of this case and be obtained and be well understood to.
Brief description of the drawings
Fig. 1 is the structural representation of existing weaving bobbin-winding machine intelligent control system;
Fig. 2 is the structural representation of weaving bobbin-winding machine intelligent control system of the present invention;
Fig. 3 is the structural representation of intelligent control unit of the present invention;
Fig. 4 is the structural representation of intelligent controller of the present invention.
Detailed description of the invention
For technological means, creation characteristic that the present invention is realized, reach object and effect is easy to understand, below in conjunction with concrete diagram, further set forth the present invention.
As shown in Figures 2 and 3, weaving bobbin-winding machine intelligent control system of the present invention, it comprises the intelligent control unit 100 being arranged on each ingot of bobbin-winding machine, described intelligent control unit 100 comprises an intelligent controller 110, described intelligent controller 110 connects the winding mechanism 200 of bobbin-winding machine by one first drive element 120, described intelligent controller 110 connects the Yarn guide mechanism 300 of bobbin-winding machine by one second drive element 130, described intelligent controller 110 connects the yarn-feeding device 400 of bobbin-winding machine by one the 3rd drive element 140, on described intelligent controller 110, be also connected with tension pick-up 150 and coiling number of turns sensor 160.
In the present invention, on described intelligent controller 110, be also connected with a broken yarn annunciator 170; On described intelligent controller 110, be also connected with an operation control panel 180.
In the present invention, between described intelligent controller 110, by the connection that communicates with one another of RS485 bus, and be connected with a Centralized Controller 500.
Centralized Controller 500(is as shown in Figure 2) by MODBUS communications protocol, can control at most the intelligent controller 110 of 250 ingots, can operate any 1 ingot or the many ingots intelligent controller 110 that are connected in RS485 bus, as parameter modification, start or stop, and can demonstrate the mode of operation of intelligent controller 110: current actual winding length, winding mechanism 200 real-world operation frequencies, winding mechanism 200 real-world operation linear velocities, yarn-feeding device 400 real-world operation frequencies, yarn-feeding device 400 real-world operation linear velocities, DC bus-bar voltage etc.; In the time that communication makes mistakes, failure message also will reflect in Centralized Controller 500, and Centralized Controller 500 also has formulation parameter modify feature, operate when entering after formulation parameter menu, can once complete the parameter modification to any many ingots intelligent controller 110, be user-friendly to.
In the present invention, described the first drive element 120, the second drive element 130 and the 3rd drive element 140 are DC brushless motor.
As shown in Figure 4, described intelligent controller 110 comprises one first control chip 111 and one second control chip 112, described the first control chip 111 communicates with one another and is connected with described the second control chip 112, the drive end of described the first control chip 111 connects the first drive element 120 and the second drive element 130 by drive part 113 respectively, and the feedback end of described the first drive element 120 and the second drive element 130 is connected with the feedback end of described the first control chip 111; The drive end of described the second control chip 112 connects described the 3rd drive element 140 by drive part 113, and the feedback end of described the 3rd drive element 140 connects the feedback end of described the second control chip 112.
Described drive part 113 comprises a driving chip 113a and the bridge arm circuit 113b being made up of metal-oxide-semiconductor, described driving chip 113a connects the input end of bridge arm circuit 113b, and the mouth of described bridge arm circuit 113b connects respectively the first drive element 120, the second drive element 130 or the 3rd drive element 140.
When work, the first control chip 111 or the second control chip 112 carry out commutation by the Hall feedback signal of the first drive element 120, the second drive element 130 or the 3rd drive element 140, change and drive signal, through driving chip 113a to carry out level conversion, the final bridge arm circuit 113b that drives forms speed closed loop, accurately controls the rotating speed of the first drive element 120, the second drive element 130 or the 3rd drive element 140.
Described intelligent controller 110 also comprises a rectifier circuit 114 and a switching power circuit 115, and alternating current 220V power supply is connected respectively the power end of the first control chip 111 and the second control chip 112 by rectifier circuit 114 and switching power circuit 115.
The feedback end of described the first drive element 120, the second drive element 130 and the 3rd drive element 140 is connected to each other with the feedback end of described the first control chip 111 and the second control chip 112 respectively by buffering driver 116.
On described the first control chip 111, be connected with memory device 117; On described the first control chip 111 and the second control chip 112, be connected with reset chip 118.
Described the first control chip 111 is communicated with one another and is connected with other intelligent controller 110 by a communication module 119.
On described the first control chip 111, be connected with external terminal input/output module 111a.
The power supply of the first drive element 120, the second drive element 130 and the 3rd drive element 140 is for joining independent 36V direct supply outward, and intelligent controller 110 is alternating current 220V input, produces through rectifier circuit 114 and switching power circuit 115:
1, direct current+5V, further voltage stabilizing becomes direct current 3.3V and direct current 1.8V, gives the first control chip 111 and the second control chip 112 and peripheral hardware power supply;
2, direct current+15V, gives and drives chip 113a and bridge arm circuit 113b power supply;
3, isolation+12V, gives external terminal input/output module 111a power supply.
When work, drive the first drive element 120, the second drive element 130 and 140 3 motors of the 3rd drive element to carry out routing motion by intelligent controller 110, finally realize the winder function of yarn; Wherein, the first drive element 120 is realized the rotation of yarn cylinder, by yarn on yarn cylinder; The second drive element 130 is realized the axial motion of yarn around yarn cylinder, makes Yarn homogeneous on yarn cylinder; The 3rd drive element 140 is realized line sending function, and balance is also controlled yarn tension, ensures yarn bobbin winding technological requirement.
By setting parameter, can make the first drive element 120 be operated in: frequency is successively decreased, frequency increments, wobbulation operation, linear velocity are controlled and the controlled totally 5 kinds of patterns of tension force; The second drive element 130 can be operated in: fixing tracking, independent control and the totally 3 kinds of patterns of not working; The 3rd drive element 140 can be operated in: do not work, linear velocity tracking, permanent linear speed, modified line express delivery increasing, modified line quick depletion, frequency increments and frequency are successively decreased totally 7 kinds of patterns.
Weaving bobbin-winding machine intelligent control system of the present invention has motor power supply overvoltage protection; under-voltage protection; broken yarn protection; full yarn prompting; the first drive element 120, the second drive element 130 and the each motor of the 3rd drive element 140 have overcurrent protection; overload protection, position feedback abnormal protection and owe speed protection, safe and reliable.
The mechanical system that weaving bobbin-winding machine intelligent control system of the present invention is supported realizes winding mechanism and separates completely with Yarn guide mechanism, compared with original one drag two system, save interlocking mechanism gear, realize the driving control to two permagnetic synchronous motors, thereby reach, the independent of winding mechanism and Yarn guide mechanism controlled, and build virtual electronic gear, by the setting to the corresponding transmission parameter of this intelligent controller, realize the free parallel running of winding mechanism and Yarn guide mechanism, mechanical mechanism solution lotus root and simplification are realized, break through the constraint of mechanical drive gear, thereby significantly improve the work efficiency of machine system.
The first drive element 120, the second drive element 130 and the 3rd drive element 140 all adopt high performance permanent magnetic synchronous motor, realize significantly energy-conservation, under equal process velocity with traditional one drag two bobbin-winding machine than reducing energy consumption more than 40%.
In weaving bobbin-winding machine intelligent control system of the present invention, the motion control motor of three transmission nodes all adopts high performance permanent magnetic synchronous motor, the common asynchronous moter adopting with original one drag two bobbin-winding machine compares, motor part reduces energy consumption and exceedes 25%, simultaneously owing to high performance permanent magnetic synchronous motor being realized to accurate servo control performance, for complete machine is realized mechanical mechanism solution lotus root and simplification provides effective guarantee, mechanical mechanism solution lotus root with simplify after mechanical system compare with original mechanical system and reduce energy consumption and reach 15%, realize more than 40% synthesis energy saving so overall.
Brand-new BLDC drive control scheme, realizes high dynamically (especially deceleration regime) response performance of BLDC motor;
In weaving bobbin-winding machine intelligent control system of the present invention, adopt two+mono-PWM to drive modulation system, under the constant state of the three-phase inverting circuit topological structure of single supply bootstrapping power supply, realize BLDC motor low speed and high dynamic response speed governing, thereby provide to drive and ensure for system realizes accurate servocontrol.
For BLDC speed control, adopt and optimize sliding formwork control, improve velocity control accuracy (steady load state is that speed departure is less than 0.5 ‰); Basic components using conventional PID as system control in speed control, systematic error and target velocity two variablees are carried out to discretization processing composition bivariate table, reach system optimal or suboptimal control by control mode and the pid parameter of determining the correlation behavior amount of the current system in good time adjustment System in interval position in bivariate table, thereby elevator system controller performance in system total state plane, realizes the raising of system control accuracy.
Adopt artificial intelligence and adaptive control, simplify manual operation, improve technique quality of fit.
Weaving bobbin-winding machine intelligent control system of the present invention adopts two DSP(digital signal processors) form inherent computing, control platform, utilize DSP(digital signal processor) powerful arithmetic capability, aspect the interlock control of transmission device, adopt virtual main shaft concept, wireline reel is defined as to system spindle, other all axles are defined as associated shaft, increase transmission fitness parameter, by transmission fitness parameter is set, internal system is carried out the computing of relevant parameter intelligence automatically, and the good transmission of automatic realizing system coordinates.Can not devote oneself to work in outside related sensor et out of order or certain hour time, system, by the collection analysis to related system status data in early stage, adopts status data recursion analysis principle and the built-in empirical rule of system, realizes the continuous suboptimum operation of system.
More than show and described groundwork of the present invention and principal character and advantage of the present invention.The technical personnel of the industry should be understood; the present invention is not restricted to the described embodiments; that in above-described embodiment and specification sheets, describes just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications; these changes and improvements all fall in the claimed scope of the invention, and the claimed scope of the present invention is defined by appending claims and equivalent thereof.
Claims (10)
1. a weaving bobbin-winding machine intelligent control system, it is characterized in that, it comprises the intelligent control unit being arranged on each ingot of bobbin-winding machine, described intelligent control unit comprises an intelligent controller, between described intelligent controller by the connection that communicates with one another of RS485 bus, and be connected with a Centralized Controller, described intelligent controller connects the winding mechanism of bobbin-winding machine by one first drive element, described intelligent controller connects the Yarn guide mechanism of bobbin-winding machine by one second drive element, described intelligent controller connects the yarn-feeding device of bobbin-winding machine by one the 3rd drive element, on described intelligent controller, be also connected with tension pick-up and coiling number of turns sensor,
Described intelligent controller comprises one first control chip and one second control chip, described the first control chip communicates with one another and is connected with described the second control chip, the drive end of described the first control chip connects the first drive element and the second drive element by drive part respectively, and the feedback end of described the first drive element and the second drive element is connected with the feedback end of described the first control chip; The drive end of described the second control chip connects described the 3rd drive element by drive part, and the feedback end of described the 3rd drive element connects the feedback end of described the second control chip; Described drive part comprises a driving chip and the bridge arm circuit being made up of metal-oxide-semiconductor, and described driving chip connects the input end of bridge arm circuit, and the mouth of described bridge arm circuit connects respectively the first drive element, the second drive element or the 3rd drive element.
2. weaving bobbin-winding machine intelligent control system as claimed in claim 1, is characterized in that, is also connected with a broken yarn annunciator on described intelligent controller.
3. weaving bobbin-winding machine intelligent control system as claimed in claim 1, is characterized in that, is also connected with an operation control panel on described intelligent controller.
4. weaving bobbin-winding machine intelligent control system as claimed in claim 1, is characterized in that, described the first drive element, the second drive element and the 3rd drive element are DC brushless motor.
5. weaving bobbin-winding machine intelligent control system as claimed in claim 1, it is characterized in that, described intelligent controller also comprises a rectifier circuit and a switching power circuit, and alternating current 220V power supply is connected respectively the power end of the first control chip and the second control chip by rectifier circuit and switching power circuit.
6. weaving bobbin-winding machine intelligent control system as claimed in claim 1, it is characterized in that, the feedback end of described the first drive element, the second drive element and the 3rd drive element is connected to each other with the feedback end of described the first control chip and the second control chip respectively by buffering driver.
7. weaving bobbin-winding machine intelligent control system as claimed in claim 1, is characterized in that, on described the first control chip, is connected with memory device.
8. weaving bobbin-winding machine intelligent control system as claimed in claim 1, is characterized in that, on described the first control chip and the second control chip, is connected with reset chip.
9. weaving bobbin-winding machine intelligent control system as claimed in claim 1, is characterized in that, described the first control chip is communicated with one another and is connected with other intelligent controller by a communication module.
10. weaving bobbin-winding machine intelligent control system as claimed in claim 1, is characterized in that, on described the first control chip, is connected with external terminal input/output module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210136256.6A CN102795514B (en) | 2012-05-02 | 2012-05-02 | Intelligent control system of spinning winder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210136256.6A CN102795514B (en) | 2012-05-02 | 2012-05-02 | Intelligent control system of spinning winder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102795514A CN102795514A (en) | 2012-11-28 |
| CN102795514B true CN102795514B (en) | 2014-07-30 |
Family
ID=47194863
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210136256.6A Active CN102795514B (en) | 2012-05-02 | 2012-05-02 | Intelligent control system of spinning winder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102795514B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104868822A (en) * | 2015-05-29 | 2015-08-26 | 江苏海大印染机械有限公司 | Preshrinking machine with Modbus frequency conversion speed regulation system |
| CN111309063B (en) * | 2020-02-27 | 2021-04-06 | 广东利元亨智能装备股份有限公司 | Unreeling speed control method and device, electronic equipment and storage medium |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101633450A (en) * | 2008-07-25 | 2010-01-27 | 天津宏大纺织机械有限公司 | Winding mechanism of bobbin winder |
| CN201545551U (en) * | 2009-12-01 | 2010-08-11 | 北京和利时电机技术有限公司 | Numerical control winding control unit |
| CN202046756U (en) * | 2011-05-10 | 2011-11-23 | 綦锋 | Full-automatic intelligent bobbin winder controller |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011105460A (en) * | 2009-11-18 | 2011-06-02 | Murata Machinery Ltd | Yarn winder |
-
2012
- 2012-05-02 CN CN201210136256.6A patent/CN102795514B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101633450A (en) * | 2008-07-25 | 2010-01-27 | 天津宏大纺织机械有限公司 | Winding mechanism of bobbin winder |
| CN201545551U (en) * | 2009-12-01 | 2010-08-11 | 北京和利时电机技术有限公司 | Numerical control winding control unit |
| CN202046756U (en) * | 2011-05-10 | 2011-11-23 | 綦锋 | Full-automatic intelligent bobbin winder controller |
Non-Patent Citations (1)
| Title |
|---|
| JP特开2011-105460A 2011.06.02 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102795514A (en) | 2012-11-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102545742B (en) | Position sensorless control device and control method for permanent magnet synchronous motor | |
| CN201545551U (en) | Numerical control winding control unit | |
| CN201860286U (en) | Control system for pumping unit in oil field | |
| CN106787338B (en) | Around component shell type polyphase machine and its control method | |
| CN204156768U (en) | The Switched Reluctance Motor that a kind of portable wireless controls | |
| CN102832860A (en) | Double-switch magnetoresistive motor system based on synchronous drive | |
| CN100525068C (en) | Method for driving synchronous machine to operation using power source type frequency converter | |
| CN102795514B (en) | Intelligent control system of spinning winder | |
| CN203491867U (en) | Mixed excitation doubly salient permanent magnet motor | |
| CN202558361U (en) | Intelligent control device of textile bobbin winder | |
| CN107994837B (en) | Speed regulating system and speed regulating method for switched reluctance motor | |
| CN204847730U (en) | Colliery is synchronous device that directly drives of permanent magnetism for lifting machine | |
| CN205792335U (en) | The winding series-parallel conversion device of novel permanent magnetic synchronous motor | |
| CN106300796A (en) | A kind of buncher | |
| CN202499584U (en) | Unwinding tension control system | |
| CN205407633U (en) | Two PMSM synchronous control system of two -for -one twister | |
| CN202331139U (en) | Control system for mercerizer | |
| CN205453575U (en) | Exchange asynchronous servo driver | |
| CN105864085B (en) | A kind of partition type ventilation fan | |
| CN101551647A (en) | Roving frame based on microcontroller intelligent control system | |
| CN104038117B (en) | Three-phase electromagnetic slowdown type permanent magnet low-speed synchronous machine fast braking circuit | |
| CN105970452A (en) | Special motor for circular weaving machine | |
| CN208299716U (en) | Compressor and refrigeration equipment | |
| CN202334427U (en) | Special energy-saving crane motor and speed regulating system | |
| CN219834003U (en) | Variable frequency vector control circuit of cellulose material conveying pump |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20161221 Address after: 200444 Shanghai City, Baoshan District Road No. 128 Building No. 2 vibration Patentee after: SHANGHAI YUCHAO ELECTRIC CO., LTD. Address before: 200444 Shanghai city Baoshan District Vibration Road No. 128 Patentee before: Shanghai Yatai Instrumentation Co., Ltd. |
|
| TR01 | Transfer of patent right |