CN102798410B - Dynamic distribution detection system and method of steel ball group in ball grinder - Google Patents
Dynamic distribution detection system and method of steel ball group in ball grinder Download PDFInfo
- Publication number
- CN102798410B CN102798410B CN201210060132.4A CN201210060132A CN102798410B CN 102798410 B CN102798410 B CN 102798410B CN 201210060132 A CN201210060132 A CN 201210060132A CN 102798410 B CN102798410 B CN 102798410B
- Authority
- CN
- China
- Prior art keywords
- detection module
- bowl mill
- signal processing
- group
- steel ball
- 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
Links
Landscapes
- Crushing And Grinding (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
The invention relates to the field of grinding engineering machinery and particularly relates to a ball grinder. A dynamic distribution detection system of a steel ball group in the ball grinder comprises the ball grinder; the ball grinder is provided with a ball grinder cover and the ball grinder is internally provided with the steel ball group made of steel balls. The ball grinder is internally provided with the dynamic distribution detection system. A dynamic distribution detection method of the steel ball group in the ball grinder adopts the dynamic distribution detection system to detect the steel ball group in the ball grinder, and comprises the following steps of: 1) installing equipment; 2) collecting a signal; and 3) determining a dynamic distribution condition of the steel ball group in the ball grinder. With the adoption of the technical scheme, the defect that the dynamic distribution condition of the steel ball group in the ball grinder, which is described by the current research institute, is not accurate is overcome; and the actual detection of the dynamic distribution condition of the steel ball group in the ball grinder is realized.
Description
Technical field
The present invention relates to levigate engineering machinery field, the steel ball group particularly related in bowl mill distributes detection.
Background technology
Bowl mill is after raw material is broken, then carries out the key equipment pulverizing grinding, is most important Super-fine grinder production equipment in commercial production enterprise.At the potpourri that the medium of ball grinder interior is ballstone, raw material, water, in the continuous progress of work of bowl mill, along with the increase of material fineness, the mixability of raw material and water is also more and more abundant, increasing solid material is ground into tiny particle, tiny particle is more and more suspended in water, forms mud.
In the bowl mill course of work, the ballstone group movement locus of ball grinder interior directly affects work efficiency and the quality of bowl mill.Due to the working condition of ball grinder interior complexity, the ballstone group movement locus of ball grinder interior is caused to be difficult to judge, be difficult to describe.In existing technology, general stressed, the sound by bowl mill wall, vibrations etc. detect the distribution of ball grinder interior medium, and such detection mode accuracy of detection is low, poor reliability.
Summary of the invention
The object of the present invention is to provide a kind of ball grinder interior steel ball group motion state distributed detection system, to solve the problems of the technologies described above.
Another object of the present invention is to provide a kind of ball grinder interior steel ball group DYNAMIC DISTRIBUTION detection method, to solve the problems of the technologies described above.
Technical matters solved by the invention can realize by the following technical solutions:
Ball grinder interior steel ball group motion state distributed detection system, comprise a bowl mill, described bowl mill is provided with a ball milling cover, is provided with ballstone group, it is characterized in that in described bowl mill, and described ballstone is mined massively the steel ball group made with steel ball;
A DYNAMIC DISTRIBUTION detection system is provided with in described bowl mill, described DYNAMIC DISTRIBUTION detection system comprises the detection module group that a group is positioned at described bowl mill, described detection module group comprises the upper detection module connected successively, middle part detection module, bottom detection module, described upper detection module, described middle part detection module, described bottom detection module comprises at least one sub-detection module respectively, the top of a described sub-detection module is connected to the bottom of sub-detection module described in another, at least three described sub-detection modules connect successively, the described sub-detection module at top connects the bottom of described ball milling cover, described detection module group is deep into described ball grinder interior,
The inside of described sub-detection module is provided with a cavity, the chamber wall of described cavity is provided with an iron core, one end of described iron core is wound with a solenoid, the other end of described iron core is wound with an inductive coil, described inductive coil connects a signal processing module, and described signal processing module connects a wireless transmitter module; Described in each, the inductive coil of sub-detection module all connects described signal processing module;
Described DYNAMIC DISTRIBUTION detection system also comprises the power module that provides electric energy, and described power module connects described solenoid and described signal processing module respectively, for described solenoid and described signal processing module are powered.
The present invention is directly deep into ball grinder interior detection module group, and the chamber wall of media impingement detection module group in bowl mill, medium of the present invention comprises steel ball group, mineral aggregate and water.Power module is to solenoid, when ball grinder interior steel ball group near or when touching the sub-detection module of iron core opening part, make magnetic circuit conducting, thus inductive coil senses electromotive force, and send induction electromotive force to signal processing module, after signal processing module processes induction electromotive force, judge whether detection module group is subject to the impact of ball grinder interior steel ball group, and send judgement information to wireless transmitter module, by wireless transmitter module, judgement information is sent to other equipment outside.
The present invention adopts multiple detection module detect the friction of steel ball group together or clash into the induction electromotive force produced, and send induction electromotive force to signal processing module respectively, signal processing module can identify the situation of change of each induction electromotive force, thus judges whether detection module is subject to the impact of steel ball group.The detection mode of above-mentioned design, accuracy of detection is high, reliability is strong, is ball grinder saving energy speed governing, the research of ball grinder interior fluid distrbution, provides authentic experiments data.
Described sub-detection module is cylindrical, and the cavity in described sub-detection module is elliptical cylinder-shape, and described iron core is arranged on the straight line at major radius place of described cavity;
The straight line at the major radius place of described cavity is consistent with the rotation direction of described bowl mill.The iron core of above-mentioned design is arranged on the thinner side of chamber wall, wall thinner side in chamber is again towards the direction that bowl mill rotates, thus making the thinner side of sub-detection module lumen wall accept the shock of ball grinder interior steel ball group, inductive coil better can sense the shock of steel ball group.
The top and bottom UNICOM of described sub-detection module, and the cavity in sub-detection module described in UNICOM;
Described signal processing module and described wireless transmitter module are arranged in described ball milling cover, the bottom of described ball milling cover is provided with through hole, the inductive coil of described sub-detection module adopts a signal wire to be connected with described signal processing module, described signal wire passes the top of described sub-detection module and described through hole, and then is connected with described signal processing module.
Described sub-detection module comprises two described iron cores, two described iron cores are wound with respectively described solenoid and described inductive coil, two described iron cores are separately positioned on chamber, the two ends wall of the straight line at the major radius place of described cavity, two described solenoids connect described power module respectively, and two described inductive coils connect described signal processing module respectively.When the inductive coil installed along bowl mill rotation direction has output induction electromotive force, signal processing module thinks that bowl mill is in the position promoting ball grinder interior steel ball group.When the inductive coil installed against bowl mill rotation direction has output induction electromotive force, signal processing module thinks that ball grinder interior steel ball group is in cast and decline movement state.
The signal wire being positioned at the sub-detection module of below passes sub-detection module and the through hole of top, and then connects described signal processing module.
The length that the upper detection module connected successively, middle part detection module and bottom detection module connect into equals bowl mill inside radius;
A gland bonnet is provided with, by described gland bonnet by described sub-detection module sealing below described sub-detection module bottom being positioned at.Due to sub-detection module top and bottom UNICOM, in bowl mill rotation process, easily ball grinder interior medium is brought into sub-detection module inner, affect the detection of sub-detection module, after adopting seal cap sealing, can the problems referred to above be avoided.
Removably connect between adjacent two described sub-detection modules, removably connect between described sub-detection module and ball milling cover.The present invention according to parameters such as the diameter of bowl mill, medium amounts, can arrange the quantity of sub-detection module.
The top of described sub-detection module is provided with internal thread, and the bottom of described sub-detection module is provided with the external thread with described screw-internal thread fit, and a described sub-detection module adopts with detection module described in another and is threaded.
The top of described sub-detection module is provided with internal thread, and the bottom through-hole place of described ball milling cover is provided with the external thread with described screw-internal thread fit, and described sub-detection module adopts with described ball milling cover and is threaded.
Also clamping can be adopted to connect between two described sub-detection modules, described sub-detection module is connected with also adopting clamping bottom described ball milling cover.
Described wireless transmitter module is wireless connections one display module wirelessly, described display module can show the shock acoustic situations that sub-detection module described in each is subject to ball grinder interior steel ball group, also the dynamic of simulative display ball grinder interior steel ball group can distinguish situation.The DYNAMIC DISTRIBUTION situation of ball grinder interior steel ball group is checked so that long-range.
Described bowl mill is provided with an angular displacement sensor, the angular displacement that described angular displacement sensor rotates for detecting described bowl mill, described angular displacement sensor connects described signal processing module, described signal processing module, by after angular displacement information process, to be wirelessly long-rangely presented on display module.
Described DYNAMIC DISTRIBUTION detection system preferably includes eight described sub-detection modules, and eight described sub-detection modules are in turn connected to form a strip, and the straight line that eight described sub-detection modules connect rear place is successively preferably vertical with the rotating shaft of described bowl mill.
Ball grinder interior steel ball group DYNAMIC DISTRIBUTION detection method, adopts DYNAMIC DISTRIBUTION detection system to detect ball grinder interior steel ball group, comprises the steps:
1) equipment is installed: before bowl mill normally works, the detection module group of DYNAMIC DISTRIBUTION detection system is arranged on the through hole bottom ball milling cover, and detection module group is extend into ball grinder interior; The signal processing module of DYNAMIC DISTRIBUTION detection system, wireless transmitter module and power module are all arranged in ball milling cover; Wherein, detection module group comprises the upper detection module, middle part detection module and the bottom detection module that connect successively, and described upper detection module, described middle part detection module, described bottom detection module comprise at least one sub-detection module respectively;
2) signals collecting: bowl mill normally works, the induction electromotive force that signal processing module acquisition testing module group sends and the angular displacement that bowl mill rotates;
3) determine ball grinder interior steel ball group motion state distribution situation: signal processing module processes induction electromotive force, determine ball grinder interior steel ball group motion state distribution situation.
Step 3) in, rotate in one week process at bowl mill, when described signal processing module does not receive induction electromotive force, described signal processing module thinks that ball grinder interior does not have steel ball group;
Rotate in one week process at bowl mill, when described signal processing module receives the induction electromotive force of all sub-detection module transmissions in real time, described signal processing module thinks that the steel ball group in described bowl mill accounts for 100% of ball grinder interior space;
Rotate in one week process at bowl mill, when described detection module group turns to bowl mill lower area with bowl mill, described signal processing module receives the induction electromotive force that all sub-detection modules send, when described detection module group turns to bowl mill upper area with bowl mill, described signal processing module does not receive the induction electromotive force that all sub-detection modules send, described signal processing module thinks that described drum's speed of rotation does not reach the rotating speed driving steel ball group motion, and the steel ball group in bowl mill accounts for 50% of whole ball grinder interior space;
Rotate in one week process at bowl mill, when described detection module group turns to bowl mill lower area with bowl mill, described signal processing module receives described upper detection module, the induction electromotive force that middle part detection module sends, described signal processing module does not receive the induction electromotive force of bottom detection module, when described detection module group turns to bowl mill upper area with bowl mill, described signal processing module does not receive the induction electromotive force of any sub-detection module, described signal processing module thinks that described drum's speed of rotation does not reach the rotating speed driving steel ball group motion, and the steel ball group in bowl mill does not account for 50% of whole ball grinder interior space,
Rotate in one week process at bowl mill, when described detection module group turns to bowl mill lower area with bowl mill, described signal processing module receives the induction electromotive force that described upper detection module sends, described signal processing module does not receive middle part detection module, the induction electromotive force of bottom detection module, when described detection module group turns to bowl mill upper area with bowl mill, described signal processing module does not receive the induction electromotive force of any sub-detection module, described signal processing module thinks that described drum's speed of rotation does not reach the rotating speed driving steel ball group, and the steel ball group in bowl mill does not account for 50% of whole ball grinder interior space,
Rotate in one week process at bowl mill, when described detection module group turns to bowl mill lower area with bowl mill, described signal processing module receives described upper detection module, middle part detection module, the induction electromotive force that bottom detection module sends, when described detection module group turns to bowl mill upper area with bowl mill, described signal processing module receives the induction electromotive force that described bottom detection module sends, described signal processing module does not receive described upper detection module, the induction electromotive force that middle part detection module sends, described signal processing module thinks that described drum's speed of rotation does not reach the rotating speed driving steel ball group motion, and the steel ball group in bowl mill has exceeded 50% of whole ball grinder interior space,
Rotate in one week process at bowl mill, described signal processing module receives the induction electromotive force that upper detection module sends in real time, does not receive the induction electromotive force of middle part detection module and the transmission of bottom detection module; Described signal processing module thinks that described drum's speed of rotation reaches the rotating speed driving steel ball group to produce centrifugal motion, and the steel ball group in bowl mill is in apocarpy;
Rotate in one week process at bowl mill, described signal processing module receives the induction electromotive force of upper detection module, the transmission of middle part detection module in real time, does not receive the induction electromotive force that bottom detection module sends; Described signal processing module thinks that described drum's speed of rotation reaches the rotating speed driving steel ball group to produce centrifugal motion, and the steel ball group in bowl mill is in apocarpy;
Rotate in one week process at bowl mill, the intermittent induction electromotive force receiving upper detection module, the transmission of bottom detection module of described signal processing module, described signal processing module receives the induction electromotive force that middle part detection module sends always, described signal processing module thinks that described drum's speed of rotation reaches the rotating speed driving steel ball group to produce rolling cast and decline movement, and the steel ball group motion state in bowl mill exists cast and decline movement;
Under bowl mill rotary state, the induction electromotive force that the described detection module group received according to described signal processing module sends, obtains the ratio shared by ball grinder interior steel ball group.
When the induction electromotive force that at least two described inductive coils in same sub-detection module detect is different: when the inductive coil with bowl mill rotation direction phase the same side detects induction electromotive force, described signal processing module thinks that bowl mill is promoting steel ball group motion; When the inductive coil with bowl mill rotation direction opposite side detects induction electromotive force, described signal processing module thinks that steel ball group is in the state of leaving, and movement velocity is greater than the rotating speed of bowl mill.
Beneficial effect: owing to adopting technique scheme, instant invention overcomes the inaccurate shortcoming of ball grinder interior steel ball group motion state distribution situation described by current research institution, achieve the actual detection of ball grinder interior steel ball group motion state distribution situation.
Accompanying drawing explanation
Fig. 1 is the structural representation of the sub-detection module of the present invention;
Fig. 2 is the structure cut-open view at Fig. 1 top;
Fig. 3 is the structure cut-open view in the middle part of Fig. 1;
Fig. 4 is the structure cut-open view bottom Fig. 1;
Fig. 5 is the connection diagram of detection module group of the present invention;
Structural representation when Fig. 6 is bowl mill stationary state of the present invention;
Fig. 7 is the steel ball group 11 in bowl mill 1 of the present invention when accounting for 50% of whole bowl mill 1 inner space, and detection module group is positioned at structural representation during bowl mill 1 upper area;
Fig. 8 is the steel ball group 11 in bowl mill 1 of the present invention when accounting for 50% of whole bowl mill 1 inner space, and detection module group is positioned at structural representation during bowl mill 1 lower area;
Fig. 9 is the steel ball group 11 in bowl mill 1 of the present invention when accounting for 50% of whole bowl mill 1 inner space, and bowl mill 1 rotates in one week process, detection module group output waveform figure;
Figure 10 is the steel ball group 11 in bowl mill 1 of the present invention when not accounting for 50% of whole bowl mill 1 inner space, and detection module group is positioned at structural representation during bowl mill 1 upper area;
Figure 11 is the steel ball group 11 in bowl mill 1 of the present invention when not accounting for 50% of whole bowl mill 1 inner space, and detection module group is positioned at structural representation during bowl mill 1 lower area;
Figure 12 is the steel ball group 11 in bowl mill 1 of the present invention when not accounting for 50% of whole bowl mill 1 inner space, and bowl mill 1 rotates in one week process, detection module group output waveform figure;
Figure 13 is the steel ball group 11 in bowl mill 1 of the present invention when exceeding 50% of whole bowl mill 1 inner space, and detection module group is positioned at structural representation during bowl mill 1 upper area;
Figure 14 is the steel ball group 11 in bowl mill 1 of the present invention when exceeding 50% of whole bowl mill 1 inner space, and detection module group is positioned at structural representation during bowl mill 1 lower area;
Figure 15 is the steel ball group 11 in bowl mill 1 of the present invention when exceeding 50% of whole bowl mill 1 inner space, and bowl mill 1 rotates in one week process, detection module group output waveform figure;
Figure 16 is steel ball group 11 motion state in bowl mill 1 of the present invention when there is cast and decline movement, and detection module group is positioned at structural representation during bowl mill 1 upper area;
Figure 17 is steel ball group 11 motion state in bowl mill 1 of the present invention when there is cast and decline movement, and detection module group is positioned at structural representation during bowl mill 1 lower area;
Figure 18 is steel ball group 11 motion state in bowl mill 1 of the present invention when there is cast and decline movement, and bowl mill 1 rotates in one week process, detection module group output waveform figure;
Figure 19 is the steel ball group 11 in bowl mill 1 of the present invention when being in apocarpy, and detection module group is positioned at structural representation during bowl mill 1 lower area;
Figure 20 is the steel ball group 11 in bowl mill 1 of the present invention when being in apocarpy, and bowl mill 1 rotates in one week process, detection module group output waveform figure;
Figure 21 is bowl mill 1 inside of the present invention when not having a steel ball group 11, and detection module group is positioned at structural representation during bowl mill 1 upper area;
Figure 22 is bowl mill 1 inside of the present invention when not having a steel ball group 11, and bowl mill 1 rotates in one week process, detection module group output waveform figure;
Figure 23 is bowl mill 1 inside of the present invention when being full of steel ball group 11, and detection module group is positioned at structural representation during bowl mill 1 lower area;
Figure 24 is bowl mill 1 inside of the present invention when being full of steel ball group 11, and bowl mill 1 rotates in one week process, detection module group output waveform figure.
Embodiment
The technological means realized to make the present invention, creation characteristic, reaching object and effect is easy to understand, setting forth the present invention further below in conjunction with concrete diagram.
Referring to figs. 1 through Fig. 6, ball grinder interior steel ball group motion state distributed detection system, comprise bowl mill 1, bowl mill 1 is provided with ball milling cover 2, is provided with ballstone group in bowl mill 1, and ballstone group is steel ball group 11.A DYNAMIC DISTRIBUTION detection system is provided with in bowl mill 1, DYNAMIC DISTRIBUTION detection system comprises the detection module group that a group is positioned at bowl mill 1, detection module group comprises the upper detection module connected successively, middle part detection module, bottom detection module, upper detection module, middle part detection module, bottom detection module comprises at least one sub-detection module 31 respectively, a sub-detection module 31 is connected to the bottom of another sub-detection module 31, at least three sub-detection modules 31 connect successively, the sub-detection module 31 at top connects the bottom of ball milling cover 2, it is inner that detection module group is deep into bowl mill 1.
The inside of sub-detection module 31 is provided with a cavity, the chamber wall of cavity is provided with an iron core 321, one end of iron core 321 is wound with a solenoid 322, the other end of iron core 321 is wound with an inductive coil 323, inductive coil 323 connects a signal processing module 33, and signal processing module 33 connects a wireless transmitter module 34.Inductive coil 323 all connection signal processing modules 33 of each sub-detection module 31.DYNAMIC DISTRIBUTION detection system also comprises the power module 36 that provides electric energy, and power module 36 connects solenoid 322 and signal processing module 33 respectively, for solenoid 322 and signal processing module 33 are powered.The present invention is directly deep into ball grinder interior detection module group, and the chamber wall of media impingement detection module group in bowl mill, medium of the present invention comprises steel ball group 11, mineral aggregate and water.Power module 36 powers to solenoid 322, when bowl mill 1 inside steel ball group 11 near or when touching the sub-detection module 31 of iron core 321 opening part, make magnetic circuit conducting, thus inductive coil 323 senses electromotive force, and send induction electromotive force to signal processing module 33, after signal processing module 33 pairs of induction electromotive forces process, judge whether sub-detection module 31 groups is subject to the impact of the inner steel ball group 11 of bowl mill 1, and send judgement information to wireless transmitter module 34, by wireless transmitter module 34, judgement information is sent to other equipment outside.The present invention adopts multiple sub-detection module 31 to detect steel ball group 11 together and rubs or clash into the induction electromotive force of generation, and send induction electromotive force to signal processing module 33 respectively, signal processing module 33 can identify the situation of change of each induction electromotive force, thus judges whether sub-detection module 31 is subject to the impact of steel ball group 11.The detection mode of above-mentioned design, accuracy of detection is high, reliability is strong, is ball grinder saving energy speed governing, the research of ball grinder interior fluid distrbution, provides authentic experiments data.
With reference to Fig. 1, Fig. 3, Fig. 6, sub-detection module 31 is cylindrical, and the cavity in sub-detection module 31 is elliptical cylinder-shape, and iron core 321 is arranged on the straight line at major radius place of cavity.The straight line at the major radius place of cavity and the rotation direction of bowl mill 1 are always.The iron core 321 of above-mentioned design is arranged on the thinner side of chamber wall, wall thinner side in chamber is again towards the direction that bowl mill 1 rotates, thus making the thinner side of sub-detection module 31 lumen wall accept the shock of steel ball group 11, inductive coil 323 better can sense the shock of steel ball group 11.
With reference to Fig. 1, the top and bottom UNICOM of sub-detection module 31, and the cavity in the sub-detection module 31 of UNICOM.With reference to Fig. 6, signal processing module 33 and wireless transmitter module 34 are arranged in ball milling cover 2, the bottom of ball milling cover 2 is provided with through hole, the inductive coil 323 of sub-detection module 31 adopts a signal wire to be connected with signal processing module 33, signal wire passes top and the through hole of sub-detection module 31, and then is connected with signal processing module 33.The signal wire being positioned at the sub-detection module 31 of below passes sub-detection module 31 and the through hole of top and then connection signal processing module 33.
With reference to Fig. 1, sub-detection module 31 comprises two iron cores 321, two iron cores 321 are wound with respectively solenoid 322 and inductive coil 323, two iron cores 321 are separately positioned on chamber, the two ends wall of the straight line at the major radius place of cavity, two inductive coils 323 connection signal processing modules 33 respectively.When the inductive coil 323 installed along bowl mill 1 rotation direction has output induction electromotive force, signal processing module 33 is thought that bowl mill 1 is in and is promoted the position that steel ball group 11 moves.When the inductive coil 323 installed against bowl mill 1 rotation direction has output induction electromotive force, signal processing module 33 thinks that steel ball group 11 is in cast and decline movement state.
The length that the upper detection module connected successively, middle part detection module and bottom detection module connect into equals bowl mill 1 inner radial.Be provided with a gland bonnet 35 below sub-detection module 31 bottom being positioned at, by gland bonnet 35, sub-detection module 31 sealed.Due to sub-detection module 31 top and bottom UNICOM, in bowl mill 1 rotation process, easily ball grinder interior medium is brought into sub-detection module 31 inner, affect the detection of sub-detection module 31, after adopting gland bonnet 35 to seal, can the problems referred to above be avoided.
Removably connect between adjacent two sub-detection modules 31, removably connect between sub-detection module 31 and ball milling cover 2.The present invention according to parameters such as the diameter of bowl mill 1, medium amounts, can arrange the quantity of sub-detection module 31.Between two sub-detection modules 31, all can adopt thread connecting mode between sub-detection module 31 and ball milling cover 2: the top of sub-detection module 31 is provided with internal thread, the bottom of sub-detection module 31 is provided with the external thread with screw-internal thread fit.The top of sub-detection module 31 is provided with internal thread, and the bottom through-hole place of ball milling cover 2 is provided with the external thread with screw-internal thread fit, and sub-detection module 31 adopts with ball milling cover 2 and is threaded.Also clamping can be adopted to connect between two sub-detection modules 31, sub-detection module 31 is connected with also adopting clamping bottom ball milling cover 2.
Wireless transmitter module 34 is wireless connections one display module wirelessly, and display module can show each sub-detection module 31 and be subject to the acoustic situations that steel ball group 11 clashes into, also can the dynamic situation respectively of steel ball group 11 in simulative display bowl mill 1.Steel ball group 11 DYNAMIC DISTRIBUTION situation in bowl mill 1 is checked so that long-range.Bowl mill 1 is provided with an angular displacement sensor, the angular displacement that angular displacement sensor rotates for detecting bowl mill 1, angular displacement sensor connection signal processing module 33, signal processing module 33, by after angular displacement information process, to be wirelessly long-rangely presented on display module.With reference to Fig. 9, Figure 12, Figure 15, Figure 18, Figure 20, Figure 22, Tu24Zhong, the angular displacement of display module display bowl mill 1 and corresponding sub-detection module output waveform figure.
With reference to Fig. 5, DYNAMIC DISTRIBUTION detection system preferably includes eight sub-detection modules, 31, eight sub-detection modules 31 and is in turn connected to form a strip, and after eight sub-detection modules 31 connect successively, the straight line at place is preferably vertical with the rotating shaft of bowl mill 1.
Ball grinder interior steel ball group DYNAMIC DISTRIBUTION detection method, adopts above-mentioned DYNAMIC DISTRIBUTION detection system to detect ball grinder interior steel ball group 11, comprises the steps:
The first step, equipment is installed: before bowl mill 1 normally work, the detection module group of DYNAMIC DISTRIBUTION detection system is arranged on the through hole bottom ball milling cover 2, and it is inner detection module group to be extend into bowl mill 1.The signal processing module 33 of DYNAMIC DISTRIBUTION detection system, wireless transmitter module 34 and power module are all arranged in ball milling cover 2.Wherein, detection module group comprises the upper detection module a, the middle part detection module b that connect successively and bottom detection module c, upper detection module a, middle part detection module b and bottom detection module c comprise at least one sub-detection module 31 respectively.
Second step, signals collecting: bowl mill 1 normally works, the induction electromotive force that signal processing module 33 acquisition testing module group sends and the angular displacement of rotating with bowl mill 1, obtain the rotary speed information of bowl mill 1 according to angular displacement information.
3rd step, determines ball grinder interior steel ball group 11 DYNAMIC DISTRIBUTION situation: signal processing module 33 pairs of induction electromotive forces process, determines ball grinder interior steel ball group 11 DYNAMIC DISTRIBUTION situation.
Under bowl mill 1 rotary state, the induction electromotive force that the detection module group that basis signal processing module 33 receives sends, obtains the ratio shared by the inner steel ball group 11 of bowl mill 1:
1. with reference to Figure 21, Figure 22, rotate in one week process at bowl mill 1, when signal processing module 33 does not receive induction electromotive force, signal processing module 33 thinks that bowl mill 1 inside does not have steel ball group 11.
2. with reference to Figure 23, Figure 24, rotate in one week process at bowl mill 1, when signal processing module 33 receives the induction electromotive force of all sub-detection module 31 transmissions in real time, signal processing module 33 thinks that the steel ball group 11 in bowl mill 1 accounts for 100% of bowl mill 1 inner space.
3. with reference to Fig. 7, Fig. 8, Fig. 9, rotate in one week process at bowl mill 1, when detection module group turns to bowl mill 1 lower area with bowl mill 1, signal processing module 33 receives the induction electromotive force that all sub-detection modules 31 send, when detection module group turns to bowl mill 1 upper area with bowl mill 1, signal processing module 33 does not receive the induction electromotive force that all sub-detection modules 31 send, signal processing module 33 thinks that drum's speed of rotation does not reach the rotating speed driving steel ball group 11 to move, and the steel ball group 11 in bowl mill 1 accounts for 50% of whole bowl mill 1 inner space.
4. with reference to Figure 10, Figure 11, Figure 12, rotate in one week process at bowl mill 1, when detection module group turns to bowl mill lower area with bowl mill 1, signal processing module 33 receives upper detection module a, the induction electromotive force that middle part detection module b sends, signal processing module 33 does not receive the induction electromotive force of bottom detection module c, when detection module group turns to bowl mill 1 upper area with bowl mill 1, signal processing module 33 does not receive the induction electromotive force of any sub-detection module 31, signal processing module 33 thinks that drum's speed of rotation does not reach the rotating speed driving steel ball group 11 to move, and the steel ball group 11 in bowl mill 1 does not account for 50% of whole bowl mill 1 inner space.
Rotate in one week process at bowl mill 1, when detection module group turns to bowl mill 1 lower area with bowl mill 1, signal processing module 33 receives the induction electromotive force that upper detection module a sends, signal processing module 33 does not receive middle part detection module b, the induction electromotive force of bottom detection module c, when detection module group turns to bowl mill 1 upper area with bowl mill 1, signal processing module 33 does not receive the induction electromotive force of any sub-detection module 31, signal processing module 33 thinks that bowl mill 1 rotating speed does not reach the rotating speed driving steel ball group 11 to move, and the steel ball group 11 in bowl mill 1 does not account for 50% of whole bowl mill 1 inner space.
5. with reference to Figure 13, Figure 14, Figure 15, rotate in one week process at bowl mill 1, when detection module group turns to bowl mill 1 lower area with bowl mill 1, signal processing module 33 receives upper detection module a, middle part detection module b, the induction electromotive force that bottom detection module c sends, when detection module group turns to bowl mill 1 upper area with bowl mill 1, signal processing module 33 receives the induction electromotive force that bottom detection module c sends, signal processing module 33 does not receive upper detection module a, the induction electromotive force that middle part detection module b sends, signal processing module 33 thinks that drum's speed of rotation does not reach the rotating speed driving steel ball group 11 to move, and the steel ball group 11 in bowl mill 1 has exceeded 50% of whole ball grinder interior space.
6. with reference to Figure 16, Figure 17, Figure 18, rotate in one week process at bowl mill 1, the intermittent induction electromotive force receiving upper detection module a, bottom detection module c and send of signal processing module 33, signal processing module 33 receives the induction electromotive force that middle part detection module b sends always, signal processing module 33 thinks that drum's speed of rotation reaches the rotating speed driving steel ball group 11 to produce rolling cast and decline movement, and steel ball group 11 motion state in bowl mill 1 exists cast and decline movement.
7. with reference to Figure 19, Figure 20, rotate in one week process at bowl mill 1, signal processing module 33 receives the induction electromotive force that upper detection module a sends in real time, does not receive the induction electromotive force that middle part detection module b and bottom detection module c sends.Signal processing module 33 thinks that drum's speed of rotation reaches the rotating speed driving steel ball group 11 to produce centrifugal motion, and the steel ball group 11 in bowl mill 1 is in apocarpy.
Rotate in one week process at bowl mill 1, signal processing module 33 receives the induction electromotive force that upper detection module a, middle part detection module b send in real time, does not receive the induction electromotive force that bottom detection module c sends.Signal processing module 33 thinks that bowl mill 1 rotating speed reaches the rotating speed driving steel ball group 11 to produce centrifugal motion, and the steel ball group 11 in bowl mill 1 is in apocarpy.
When the induction electromotive force that at least two inductive coils 323 in same sub-detection module 31 detect is different: when the inductive coil 323 with bowl mill 1 rotation direction phase the same side detects induction electromotive force, signal processing module 33 thinks that bowl mill 1 moves promoting steel ball group 11.When the inductive coil 323 with bowl mill 1 rotation direction opposite side detects induction electromotive force, signal processing module 33 thinks that steel ball group 11 is in the state of leaving, and movement velocity is greater than the rotating speed of bowl mill 1.
Embodiment one:
With reference to Fig. 5, the present invention adopts eight sub-detection modules 31, eight sub-detection modules 31 connect successively, are respectively first detection module 41, second detection module 42, the 3rd detection module 43, the 4th detection module 44, the 5th detection module 45, the 6th detection module 46, the 7th detection module 47, the 8th detection module 48 from the top to the bottom.First detection module 41 top is connected with ball milling cover 2, is sealed bottom the 8th detection module 48 by gland bonnet 35.Inductive coil 323 in eight sub-detection modules 31 connects the signal processing module being positioned at bowl mill lid 2 respectively.
1. with reference to Fig. 6, when bowl mill 1 is static, first detection module 41 to the eight detection module 48 is not all subject to the shock of steel ball group 11, and no signal exports.Signal processing module 33 does not receive induction electromotive force.
2. with reference to Fig. 7, when bowl mill 1 normally works, 4th detection module 44 to the six detection module 46 is subject to impact and the compressing of steel ball group 11, signal processing module 33 receives the induction electromotive force of the 4th detection module 44 to the six detection module 46, do not receive the induction electromotive force of first detection module 41 to the three detection module 43, the 7th detection module 47 to the eight detection module 48, signal processing module 33 thinks that the steel ball group 11 contained in bowl mill 1 is normal, and sub-detection module 31 is with the rotation of bowl mill 1, be rotated to bowl mill 1 top position.
3. with reference to Fig. 8, when bowl mill 1 normally works, first detection module 41 to the five detection module 45 is subject to impact and the compressing of steel ball group 11, signal processing module 33 receives the induction electromotive force of first detection module 41 to the five detection module 45, do not receive the induction electromotive force of the 6th detection module 46 to the eight detection module 48, signal processing module 33 thinks that the steel ball group 11 contained in bowl mill 1 is normal, and sub-detection module 31 is with the rotation of bowl mill 1, is rotated to bowl mill 1 lower position.
4. with reference to Figure 10, when bowl mill 1 normally works, first detection module 41 to the eight detection module 48 is not all subject to the acting force of steel ball group 11, signal processing module 33 does not receive induction electromotive force, signal processing module 33 thinks that bowl mill 1 is interior containing a small amount of steel ball group 11, and sub-detection module 31 rotates with bowl mill 1, have left steel ball group 11.
5. with reference to Figure 11, when bowl mill 1 normally works, first detection module 41 to the three detection module 43 is subject to the shock of steel ball group 11, signal processing module 33 receives the induction electromotive force of first detection module 41 to the three detection module 43, do not receive the induction electromotive force of the 4th detection module 44 to the eight detection module 48, signal processing module 33 thinks that bowl mill 1 is interior containing a small amount of steel ball group 11, and sub-detection module 31 is with the rotation of bowl mill 1, is rotated to bowl mill 1 lower position.
6. with reference to Figure 19, when bowl mill 1 normally works, bowl mill 1 rotates in one week, under first detection module 41 to the three detection module 43 is in the shock of steel ball group 11 all the time, signal processing module 33 receives the induction electromotive force of first detection module 41 to the three detection module 43, do not receive the induction electromotive force of the 4th detection module 44 to the eight detection module 48, under signal processing module 33 thinks that bowl mill is in centrifugal rotational speed.
7. with reference to Figure 21, when bowl mill 1 normally works, first detection module 41 to the eight detection module 48 is not all subject to impact and the compressing of steel ball group 11, and signal processing module 33 does not receive induction electromotive force, and signal processing module 33 is thought does not have steel ball group 11 in bowl mill 1.
8. with reference to Figure 23, when bowl mill 1 normally works, first detection module 41 to the eight detection module 48 is all subject to the shock of steel ball group 11, signal processing module 33 receives the induction electromotive force of first detection module 41 to the eight detection module 48, and signal processing module 33 is thought and is full of steel ball group 11 in bowl mill 1.
More than show and describe ultimate principle of the present invention and principal character and advantage of the present invention.The technician of the industry should understand; the present invention is not restricted to the described embodiments; what describe in above-described embodiment and instructions 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, and these changes and improvements all fall in the claimed scope of the invention.Application claims protection domain is defined by appending claims and equivalent thereof.
Claims (8)
1. ball grinder interior steel ball group motion state distributed detection system, comprises a bowl mill, and described bowl mill is provided with a ball milling cover, is provided with ballstone group, it is characterized in that in described bowl mill, and described ballstone is mined massively the steel ball group made with steel ball;
A DYNAMIC DISTRIBUTION detection system is provided with in described bowl mill, described DYNAMIC DISTRIBUTION detection system comprises the detection module group that a group is positioned at described bowl mill, described detection module group comprises the upper detection module connected successively, middle part detection module, bottom detection module, described upper detection module, described middle part detection module, described bottom detection module comprises at least one sub-detection module respectively, a described sub-detection module is connected to the bottom of sub-detection module described in another, at least three described sub-detection modules connect successively, the described sub-detection module at top connects the bottom of described ball milling cover, described detection module group is deep into described ball grinder interior,
The inside of described sub-detection module is provided with a cavity, the chamber wall of described cavity is provided with two iron cores, one end of each described iron core is wound with a solenoid, the other end of each described iron core is wound with an inductive coil, described inductive coil connects a signal processing module, and described signal processing module connects a wireless transmitter module; Described in each, the inductive coil of sub-detection module all connects described signal processing module;
Described DYNAMIC DISTRIBUTION detection system also comprises the power module that provides electric energy, and described power module connects described solenoid and described signal processing module respectively, for described solenoid and described signal processing module are powered;
Two described iron cores are separately positioned on chamber, the two ends wall of the straight line at the major radius place of described cavity.
2. ball grinder interior steel ball group motion state distributed detection system according to claim 1, it is characterized in that, described sub-detection module is cylindrical, and the cavity in described sub-detection module is elliptical cylinder-shape, and described iron core is arranged on the straight line at major radius place of described cavity;
The straight line at the major radius place of described cavity is consistent with the rotation direction of described bowl mill.
3. ball grinder interior steel ball group motion state distributed detection system according to claim 2, is characterized in that, the top and bottom UNICOM of described sub-detection module, and the cavity in sub-detection module described in UNICOM;
Described signal processing module and described wireless transmitter module are arranged in described ball milling cover, the bottom of described ball milling cover is provided with through hole, the inductive coil of described sub-detection module adopts a signal wire to be connected with described signal processing module, described signal wire passes the top of described sub-detection module and described through hole, and then is connected with described signal processing module.
4. ball grinder interior steel ball group motion state distributed detection system according to claim 1, it is characterized in that, the length that the upper detection module connected successively, middle part detection module and bottom detection module connect into equals bowl mill inside radius;
Removably connect between adjacent two described sub-detection modules, removably connect between described sub-detection module and ball milling cover;
A gland bonnet is provided with, by described gland bonnet by described sub-detection module sealing below described sub-detection module bottom being positioned at.
5. ball grinder interior steel ball group motion state distributed detection system according to claim 4, it is characterized in that, described wireless transmitter module is wireless connections one display module wirelessly.
6. ball grinder interior steel ball group motion state distributed detection system according to claim 5, it is characterized in that, described bowl mill is provided with an angular displacement sensor, the angular displacement that described angular displacement sensor rotates for detecting described bowl mill, described angular displacement sensor connects described signal processing module, described signal processing module, by after angular displacement information process, to be wirelessly long-rangely presented on display module.
7. ball grinder interior steel ball group DYNAMIC DISTRIBUTION detection method, adopts DYNAMIC DISTRIBUTION detection system according to claim 1 to detect ball grinder interior steel ball group, it is characterized in that, comprise the steps:
1) equipment is installed: before bowl mill normally works, the detection module group of DYNAMIC DISTRIBUTION detection system is arranged on the through hole bottom ball milling cover, and detection module group is extend into ball grinder interior;
The signal processing module of DYNAMIC DISTRIBUTION detection system, wireless transmitter module and power module are all arranged in ball milling cover;
Described detection module group comprises the upper detection module, middle part detection module and the bottom detection module that connect successively, and described upper detection module, described middle part detection module, described bottom detection module comprise at least one sub-detection module respectively;
2) signals collecting: bowl mill normally works, the induction electromotive force that signal processing module acquisition testing module group sends and the angular displacement that bowl mill rotates;
3) determine ball grinder interior steel ball group motion state distribution situation: signal processing module processes induction electromotive force, determine ball grinder interior steel ball group motion state distribution situation;
Step 3) in, rotate in one week process at bowl mill, when described signal processing module does not receive induction electromotive force, described signal processing module thinks that ball grinder interior does not have steel ball group;
Rotate in one week process at bowl mill, when described signal processing module receives the induction electromotive force of all sub-detection module transmissions in real time, described signal processing module thinks that the steel ball group in described bowl mill accounts for 100% of ball grinder interior space;
Rotate in one week process at bowl mill, when described detection module group turns to bowl mill lower area with bowl mill, described signal processing module receives the induction electromotive force that all sub-detection modules send, when described detection module group turns to bowl mill upper area with bowl mill, described signal processing module does not receive the induction electromotive force that all sub-detection modules send, described signal processing module thinks that described drum's speed of rotation does not reach the rotating speed driving steel ball group motion, and the steel ball group in bowl mill accounts for 50% of whole ball grinder interior space;
Rotate in one week process at bowl mill, when described detection module group turns to bowl mill lower area with bowl mill, described signal processing module receives described upper detection module, the induction electromotive force that middle part detection module sends, described signal processing module does not receive the induction electromotive force of bottom detection module, when described detection module group turns to bowl mill upper area with bowl mill, described signal processing module does not receive the induction electromotive force of any sub-detection module, described signal processing module thinks that described drum's speed of rotation does not reach the rotating speed driving steel ball group motion, and the steel ball group in bowl mill does not account for 50% of whole ball grinder interior space,
Rotate in one week process at bowl mill, when described detection module group turns to bowl mill lower area with bowl mill, described signal processing module receives the induction electromotive force that described upper detection module sends, described signal processing module does not receive middle part detection module, the induction electromotive force of bottom detection module, when described detection module group turns to bowl mill upper area with bowl mill, described signal processing module does not receive the induction electromotive force of any sub-detection module, described signal processing module thinks that described drum's speed of rotation does not reach the rotating speed driving steel ball group motion, and the steel ball group in bowl mill does not account for 50% of whole ball grinder interior space,
Rotate in one week process at bowl mill, when described detection module group turns to bowl mill lower area with bowl mill, described signal processing module receives described upper detection module, middle part detection module, the induction electromotive force that bottom detection module sends, when described detection module group turns to bowl mill upper area with bowl mill, described signal processing module receives the induction electromotive force that described bottom detection module sends, described signal processing module does not receive described upper detection module, the induction electromotive force that middle part detection module sends, described signal processing module thinks that described drum's speed of rotation does not reach the rotating speed driving steel ball group motion, and the steel ball group in bowl mill has exceeded 50% of whole ball grinder interior space,
Rotate in one week process at bowl mill, described signal processing module receives the induction electromotive force that upper detection module sends in real time, does not receive the induction electromotive force of middle part detection module and the transmission of bottom detection module; Described signal processing module thinks that described drum's speed of rotation reaches the rotating speed driving steel ball group to produce centrifugal motion, and the steel ball group in bowl mill is in apocarpy;
Rotate in one week process at bowl mill, described signal processing module receives the induction electromotive force of upper detection module, the transmission of middle part detection module in real time, does not receive the induction electromotive force that bottom detection module sends; Described signal processing module thinks that described drum's speed of rotation reaches the rotating speed driving steel ball group to produce centrifugal motion, and the steel ball group in bowl mill is in apocarpy;
Rotate in one week process at bowl mill, the intermittent induction electromotive force receiving upper detection module, the transmission of bottom detection module of described signal processing module, described signal processing module receives the induction electromotive force that middle part detection module sends always, described signal processing module thinks that described drum's speed of rotation reaches the rotating speed driving steel ball group to produce rolling cast and decline movement, and the steel ball group motion state in bowl mill exists cast and decline movement;
Under bowl mill rotary state, the induction electromotive force that the described detection module group received according to described signal processing module sends, obtains the ratio shared by ball grinder interior steel ball group.
8. ball grinder interior steel ball group DYNAMIC DISTRIBUTION detection method according to claim 7, it is characterized in that, when the induction electromotive force that two described inductive coils in same sub-detection module detect is different: when the inductive coil with bowl mill rotation direction phase the same side detects induction electromotive force, described signal processing module thinks that bowl mill is promoting steel ball group motion; When the inductive coil with bowl mill rotation direction opposite side detects induction electromotive force, described signal processing module thinks that steel ball group is in the state of leaving, and movement velocity is greater than the rotating speed of bowl mill.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210060132.4A CN102798410B (en) | 2012-03-09 | 2012-03-09 | Dynamic distribution detection system and method of steel ball group in ball grinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210060132.4A CN102798410B (en) | 2012-03-09 | 2012-03-09 | Dynamic distribution detection system and method of steel ball group in ball grinder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102798410A CN102798410A (en) | 2012-11-28 |
| CN102798410B true CN102798410B (en) | 2015-04-22 |
Family
ID=47197606
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210060132.4A Expired - Fee Related CN102798410B (en) | 2012-03-09 | 2012-03-09 | Dynamic distribution detection system and method of steel ball group in ball grinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102798410B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101745449A (en) * | 2010-01-30 | 2010-06-23 | 浙江工业大学 | Ball mill capable of monitoring motion of internal medium |
| CN102247915A (en) * | 2011-04-20 | 2011-11-23 | 山东理工大学 | Ballstone path detection system and detection method |
| CN102247914A (en) * | 2011-04-20 | 2011-11-23 | 山东理工大学 | Online detection system for internal physical quantity of ball grinding mill and mud concentration detection method |
-
2012
- 2012-03-09 CN CN201210060132.4A patent/CN102798410B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101745449A (en) * | 2010-01-30 | 2010-06-23 | 浙江工业大学 | Ball mill capable of monitoring motion of internal medium |
| CN102247915A (en) * | 2011-04-20 | 2011-11-23 | 山东理工大学 | Ballstone path detection system and detection method |
| CN102247914A (en) * | 2011-04-20 | 2011-11-23 | 山东理工大学 | Online detection system for internal physical quantity of ball grinding mill and mud concentration detection method |
Non-Patent Citations (2)
| Title |
|---|
| New Method to Measure the Fill Level of the Ball Mill II-Analysis of the Vibration Signals;HUANG Peng, etc;《CHINESE JOURNAL OF MECHANICAL ENGINEERING》;20111231;第24卷(第4期);第1～7页 * |
| 王荣,等.基于球磨机筒体振动特征频段分析的料位检测研究.《振动与冲击》.2010,第29卷(第S期),第46页第1.1.2节、图2. * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102798410A (en) | 2012-11-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102788612B (en) | System and method for detecting dynamic distribution of ball stone groups and massive ore materials in ball mill | |
| CN106102919B (en) | Separation of the tote of attachment from the inner wall of grinding tube | |
| CN107597313B (en) | Suitable for rotating the contact detecting and analysing system and its test method of grinding mill barrel | |
| CN104764801A (en) | Magnetic leakage corrosion track detector for inner wall of pipeline | |
| CN102744141B (en) | System and method for detecting motion state of ball mill | |
| CN102179278B (en) | Automatic speed regulation system of ball milling machine and method therefor | |
| CN201851113U (en) | Measuring and transmitting device for bottom-hole pressure, temperature, well deviation and azimuth data | |
| CN102788611B (en) | Detecting system and method for distribution of ball stone groups and hard massive mineral aggregates in ball mill | |
| CN105258935A (en) | System and method for detecting vibration performance of crown block of mine hoist | |
| CN102478459A (en) | Method and device for monitoring bearing failure of power generator | |
| AU2011285076B2 (en) | Assembly, operating method and circuit for a mill driven by a ring motor | |
| CN102565449B (en) | Double-section type four-redundancy airplane wheel velocity sensor | |
| CN205570452U (en) | High -efficiency ball mill | |
| CN110339914A (en) | A kind of ore mill integrated operation state on-line detector and autocontrol method | |
| CN102798410B (en) | Dynamic distribution detection system and method of steel ball group in ball grinder | |
| CN111715354B (en) | Online detection device and detection method for abrasion of lining plate of vertical stirring mill | |
| CN100507438C (en) | On-line monitoring method and device for gap of magnetic force pump permanent magnet coupler | |
| CN110339915A (en) | The on-line detecting system and control method of intelligent material detection ball mill operating status | |
| CN104977127A (en) | Balancing process and device for a rotating body | |
| CN105083300A (en) | Speed detection device and installation method thereof | |
| CN105865789A (en) | Detection system for bearing fault of decomposer gear reducer | |
| CN102788610B (en) | Detecting system and method for dynamic distribution of ball stone groups and mineral aggregates in ball mill | |
| CN107520039B (en) | Suitable for rotating the roller monitoring device of grinding mill barrel | |
| CN105954032B (en) | A kind of magnetic liquid lubrication floating-ring bearing test system and method | |
| CN202612064U (en) | Fault diagnosis apparatus for water 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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150422 Termination date: 20160309 |