CN106714429A - Intelligent lifting lamp holder device and control method - Google Patents
Intelligent lifting lamp holder device and control method Download PDFInfo
- Publication number
- CN106714429A CN106714429A CN201611168614.6A CN201611168614A CN106714429A CN 106714429 A CN106714429 A CN 106714429A CN 201611168614 A CN201611168614 A CN 201611168614A CN 106714429 A CN106714429 A CN 106714429A
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- Prior art keywords
- lamp socket
- bulb
- switch
- control unit
- lamp
- 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.)
- Pending
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- 238000000034 method Methods 0.000 title claims abstract description 10
- 238000001514 detection method Methods 0.000 claims abstract description 21
- 230000007423 decrease Effects 0.000 claims description 9
- 230000007246 mechanism Effects 0.000 claims description 6
- 230000005611 electricity Effects 0.000 claims description 5
- 238000000605 extraction Methods 0.000 claims description 2
- 230000000630 rising effect Effects 0.000 abstract description 8
- 230000033001 locomotion Effects 0.000 abstract description 4
- 238000013508 migration Methods 0.000 abstract 1
- 230000005012 migration Effects 0.000 abstract 1
- 230000006870 function Effects 0.000 description 6
- 230000001174 ascending effect Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000000087 stabilizing effect Effects 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000003028 elevating effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008450 motivation Effects 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
- H05B47/20—Responsive to malfunctions or to light source life; for protection
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V21/00—Supporting, suspending, or attaching arrangements for lighting devices; Hand grips
- F21V21/14—Adjustable mountings
- F21V21/15—Adjustable mountings specially adapted for power operation, e.g. by remote control
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V21/00—Supporting, suspending, or attaching arrangements for lighting devices; Hand grips
- F21V21/36—Hoisting or lowering devices, e.g. for maintenance
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
The invention discloses an intelligent lifting lamp holder device and a control method. The intelligent lifting lamp holder is composed of a DC power supply, a control unit, a voice prompt unit, a switch, a detection unit, a motor, a lamp holder and a relay unit, and is characterized in that the detection unit is composed of a current transformer and an amplifying circuit, the primary side of the current transformer is connected with a lamp bulb in series, the secondary side outputs current when current flows through, and the current is amplified by an amplifier and then transmitted to the control unit to judge; and the control unit judges whether the lamp bulb works normally or not according to signals transmitted by the detection unit. The intelligent lifting lamp holder device can realize multiple functional operations for the lamp holder through one switch, the switch plays a role of controlling on-off of the lamp bulb when the lamp bulb works normally, and the switch is used for controlling rising and falling motions of the lamp holder when the lamp breaks down. The intelligent lifting lamp holder device can enable the lamp holder to come down and be replaced, so that lamp replacement is enabled to become simple, and time and labor wasting migration of ladders or shelves is avoided. The intelligent lifting lamp holder device is especially suitable for high-altitude places such as stadiums and halls.
Description
Technical field
It is a kind of liftable novel intelligent lamp socket and control method the invention belongs to building lighting technical field.
Background technology
At present, when bulb is broken and is changed, it is often required to be climbed up by ladder or shelf.It is originally a letter more to change the bulb
Single process, but due to the limitation of height so that this simple process becomes great challenge, is filled for maintenance personal
Having expired the potential safety hazard of work high above the ground, and moved ladder or shelf wastes time and energy.The barnyards high such as particularly gymnasium, hall
Institute.
And novel intelligent liftable lamp socket then easily solves this problem.Lamp socket is lowered more lamp changing base, so that
Replacing electric light is set to become simple.
The content of the invention
It is an object of the invention to overcome the deficiencies in the prior art, there is provided one kind is removed from and moves ladder, work high above the ground is reduced
Danger, maintenance personal only need to just be made by simple operations lamp socket decline intelligent liftable lamp socket.
The present invention solves its technical problem and takes following technical scheme to realize:
A kind of intelligent elevated lamp base device, including switch, lamp socket, the bulb being connected with lamp socket, it is characterised in that：The device is also wrapped
Include dc source, control unit, detection unit.
The output end of the dc source is connected to the power end of control unit；The dc source utilizes 220V alternating currents
+ 5V direct currents are obtained through links such as over commutation, voltage stabilizings, the dc source for needed for whole circuit offer work；
The control end of the motor drive mechanism is connected to the first output end of control unit；
Second output end of described control unit is connected to the coil of relay；The normally opened contact of relay is connected with lamp socket；After
The coil of electric appliance unit is connected with control unit, and the electric shock normally opened contact two ends of relay are connected with bulb, relay unit by
Whether control unit control coil is powered, and when the coil electricity of relay, the normally opened contact closure of relay, bulb is bright；When
During the coil blackout of relay, the normally opened contact of relay disconnects, and bulb goes out.
The signal output part of the switch is connected to control unit first input end；
The output end of the detection unit is connected to control unit first input end；
The input of the detection unit is connected with the output end in bulb powered loop；
The signal output part of the level identification unit is connected to the input of control unit the 3rd；
The motor drive mechanism is provided with rotary shaft, and the extraction wire of bulb is wrapped in the rotary shaft.Control unit control is electronic
Machine forward and backward, drives wire to tighten up or loosen, and then drives lamp socket to rise or decline；
Preferably, institute's detection unit includes current transformer and amplifying circuit, the current transformer primary side is connected with bulb,
The current transformer secondary is connected with amplifying circuit.Secondary has electric current to export when a current flows through, amplifies by amplifier
After send control unit to and judged；The single-chip microcomputer of control unit judges bulb according to the signal that detection unit transmission is come in
Quality, when signal is high level, judges bulb preferably, judges bulb for bad when signal is low level.
Further, also including auditory tone cues unit, the control end of the auditory tone cues unit is connected to control unit
3rd output end；
Preferably, the auditory tone cues unit includes buzzer and drive circuit.Auditory tone cues unit is connected with control unit,
Prompt tone is sent when rising, decline for bulb bad when, and lamp socket；When bulb bad when, switch is opened, buzzer sends sound
Sound, warning light is spoilt, and prevents the people for turning on light to be mistakenly considered power failure；Closing switch, buzzer sound stops.Lamp socket decline, on
Buzzer also sends dichloro-diphenyl-dichlorothane prompt tone when rising, and the personnel for passing by can be reminded to take care in public places.
Preferably, lamp socket level identification unit includes reflected infrared sensors, the reflected infrared sensors set
Rise the height of setting in lamp socket.When lamp socket moves the height for rising to setting upwards, reflected infrared sensors are received
The light that lamp socket is reflected, is issued to top signal to control unit, after the single-chip microcomputer of control unit receives top signal, control
The motor of motor drive mechanism stops operating, and lamp socket stops the height and position for setting on the ceiling.
The control method of above-mentioned intelligent elevated lamp base device, it is characterised in that：Comprise the following steps：
The step of detection signal being obtained for control unit；
For judge bulb whether good step；
When bulb is good, access switch control bulb light on and off the step of；
When bulb bad when, the step of access switch control lamp socket is lifted；
Further, the step of controlling switch lamp seat lifting is comprised the following steps：
For the step of whether switching manipulation expires three bouts to be judged；
When full three bouts of switching manipulation, the step of into for controlling lamp socket to lift；
The step of control lamp socket is lifted includes：
When being first switched on for switching, the step of lamp socket declines；
When being closed for switching, the step of bulb stops；
When being opened for switching second, the step of lamp socket rises；
For the step of whether lamp socket reaches setting height to be judged；
When lamp socket does not reach setting height, lamp socket continues the step of rising；
After lamp socket reaches setting height, motor stops, the step of lamp socket stops；
When being closed for switching, the step of bulb stops；
The step of return control lamp socket is lifted；
The present invention is capable of achieving multiple feature operations to lamp socket by a switch, when bulb bad when, switchs the liter for lamp socket
Drop control.So that maloperation is prevented, after bulb is broken, it is necessary to which Operation switch is opened, closed after three bouts, switch
Start the function of control lamp socket lifting.Hereafter, switch is opened, control unit controlled motor is rotated forward, wire release, lamp socket declines；
During closing switch, motor stops, and lamp socket stops declining；When being again turned on switch, motor reversal, stringing lead, lamp socket rises.Open
When pass first switches on, lamp socket declines；When switch is opened for second, lamp socket rises；Lamp socket declines when switch third time is opened, according to
Secondary circulation.Lamp socket stop motion when switch is closed.
The beneficial effects of the present invention are：The present invention is capable of the quality of automatic identification bulb using detection unit, and sends
Auditory tone cues, informs that owner's bulb is bad, prevents from being mistakenly considered power failure.One switch of control realization using control unit is various
Function, including turn on light, turn off the light, the multiple function such as rising, decline, stopping of motor is connected up without increasing, and saving is routed to
This.Lamp socket can be lowered more lamp changing base by Operation switch, the ascending, descending for realizing lamp socket be driven by motor, so as to save
Wasting time and energy for ladder or shelf is gone to move, while reducing artificial, it is only necessary to which a people just can easily realize electric light
Change, reduce operation difficulty when electric light is changed, so that changing electric light becomes simple.It is particularly suitable for gymnasium, hall
Contour barnyard institute.
Brief description of the drawings
Fig. 1 is control principle block diagram of the invention；
Fig. 2 is bulb connection circuit figure of the invention；
Fig. 3 is structural representation of the invention；
Fig. 4 is control flow schematic diagram of the present invention.
Specific embodiment
Below in conjunction with the accompanying drawing in present example, the technical scheme in the embodiment of the present invention is further retouched
State.
As shown in figure 1, a kind of intelligent elevated lamp base device by dc source 4, control unit 3, auditory tone cues unit 1, open
2, detection unit 5, motor 6, lamp socket 7, relay unit 8 and lamp socket level identification unit 9 is closed to constitute；
Wherein, the dc source 4 obtains+5V direct currents using 220V alternating currents through links such as over commutation, voltage stabilizings, is whole electricity
Dc source needed for the offer work of road；
Detection unit 5 is made up of current transformer and amplifying circuit, and current transformer primary side is connected with bulb, is flowed through when there is electric current
When secondary there is electric current to export, send control unit 3 to and judged by after amplifier amplification；The single-chip microcomputer root of control unit 3
The signal come according to the transmission of detection unit 5 judges the quality of bulb, when signal is high level, judges that bulb preferably, works as signal
Judge bulb for bad during for low level.
Auditory tone cues unit 1 is made up of buzzer and its drive circuit, rises, declines for bulb bad when, and lamp socket 7
When send prompt tone；
The lamp socket 7 is connected with wire, and the motor 6 is provided with rotating shaft, and wire is wrapped in the rotating shaft of motor 6；Control is single
Unit 3 controls the forward and backward of motor 6, drives wire to tighten up or loosen, and then drives lamp socket 7 to rise or decline.
The coil of relay unit 8 is connected with control unit 3, and the electric shock normally opened contact two ends of relay are connected with bulb,
Whether relay unit 8 is powered by the control coil of control unit 3, when the coil electricity of relay, the normally opened contact of relay
Closure, bulb is bright；When the coil blackout of relay, the normally opened contact of relay disconnects, and bulb goes out.
The control method of the above-mentioned device of intelligent elevated lamp socket 7, it is characterised in that：Comprise the following steps：
The step of detection signal being obtained for control unit 3；
For judge lamp whether good step；
When lamp is good, access switch 2 control bulb light on and off the step of；
When lamp bad when, the step of the control lamp socket 7 of access switch 2 is lifted；
Further, the step of switch 2 controls lamp socket 7 to lift comprises the following steps：
For the step of whether operation of switch 2 expires three bouts to be judged；
When full three bouts of 2 operations are switched, the step of into for controlling lamp socket 7 to lift；
The step of control lamp socket 7 is lifted includes：
For switch 2 first switch on when, lamp socket 7 decline the step of；
When being closed for switching 2, the step of bulb stops；
For switch 2 second open when, lamp socket 7 rise the step of；
For the step of whether lamp socket 7 reaches setting height to be judged；
When lamp socket 7 does not reach setting height, lamp socket continues the step of rising；
After lamp socket 7 reaches setting height, motor stops, the step of lamp socket stops；
When being closed for switching 2, the step of bulb stops；
The step of returning to control lamp socket 7 lifting；
Multiple feature operations that the present invention can realize to lamp socket 7 by a switch 2, when bulb bad when, switch 2 is used for lamp socket 7
Elevating control.In order to prevent maloperation, after bulb is broken, it is necessary to which Operation switch 2 is opened, closed after three bouts,
Switch 2 just starts the function of the control lifting of lamp socket 7.Hereafter, switch 2 is opened, the controlled motor of control unit 3 is rotated forward, wire release,
Lamp socket 7 declines；During closing switch 2, motor stops, and lamp socket 7 stops declining；When being again turned on switch 2, motor reversal is tightened up and led
Line, lamp socket 7 rises.When switch 2 is first switched on, lamp socket 7 declines；When switching 2 second opening, lamp socket 7 rises；Switch 2
Lamp socket 7 declines when opening for three times, circulates successively.The stop motion of lamp socket 7 when switch 2 is closed.
Lamp socket level identification unit 9 includes reflected infrared sensors, the ceiling mounted position for facing lamp socket 7
Put.When motion rises to ceiling to lamp socket 7 upwards, reflected infrared sensors receive the light that lamp socket 7 is reflected, hair
Go out to top signal to control unit 3, after the single-chip microcomputer of control unit 3 receives top signal, control the motor of motor drive mechanism 6 to stop
Rotation stop is moved, and lamp socket 7 stops at the position of ceiling.
Bulb bad when, can send auditory tone cues, prevent the people for turning on light to be mistakenly considered power failure.When bulb bad when, switch 2 is opened,
Buzzer sends sound, and warning light is spoilt；Closing switch 2, buzzer sound stops.Buzzer when lamp socket 7 declines, rises
Dichloro-diphenyl-dichlorothane prompt tone is sent, the personnel for passing by can be reminded to take care in public places.
The present invention is capable of the quality of automatic identification bulb using detection unit, and sends auditory tone cues, informs owner's bulb
It is bad, prevent from being mistakenly considered power failure.Using one various function of switch of control realization of control unit, including turn on light, turn off the light, electricity
The multiple function such as rising, decline, stopping of motivation, connects up without increasing, and saves wiring cost.Driven by motor and realize lamp
The ascending, descending of seat, reduces operation difficulty when electric light is changed, it is no longer necessary to move the ladder or shelf of heaviness, while reducing
It is artificial, it is only necessary to which that a people just can easily realize the replacing of electric light.
These are only presently preferred embodiments of the present invention, be not intended to limit the invention, it is all it is of the invention spirit and
Within principle, any modification, equivalent substitution and improvements made etc. should be included within the scope of the present invention.
Claims (7)
1. a kind of intelligent elevated lamp base device, including switch（2）, lamp socket（7）, with lamp socket（7）The bulb of connection, its feature exists
In：Also include dc source（4）, control unit（3）, detection unit（5）；
The dc source（4）Output end be connected to control unit（3）Power end；
The motor drive mechanism（6）Control end be connected to control unit（3）The first output end；
Described control unit（3）The second output end be connected to relay（6）Coil；Relay（8）Normal open switch series connection
In the current supply circuit of bulb；
The switch（2）Signal output part be connected to control unit（3）First input end；
The detection unit（5）Output end be connected to control unit（3）Second input；
The detection unit（5）The current signal in detection bulb powered loop；
The level identification unit（9）Signal output part be connected to control unit（3）3rd input；
The motor drive mechanism（6）Rotary shaft is provided with, the extraction wire of bulb is wrapped in the rotary shaft.
2. a kind of intelligent elevated lamp base device according to claim 1, it is characterised in that：Institute's detection unit（5）Including electricity
Current transformer and amplifying circuit, the current transformer primary side are connected with bulb, the current transformer secondary and amplifying circuit
Connection.
3. a kind of intelligent elevated lamp base device according to claim 1, it is characterised in that：Also include auditory tone cues unit
（1）, the auditory tone cues unit（1）Control end be connected to control unit（3）The 3rd output end.
4. a kind of intelligent elevated lamp base device according to claim 3, it is characterised in that：The auditory tone cues unit (1)
Including buzzer and drive circuit, the control end connection described control unit of drive circuit（3）, the output end company of drive circuit
Connect the buzzer.
5. a kind of intelligent elevated lamp base device according to claim 1, it is characterised in that：Lamp socket level identification unit（9）
Including reflected infrared sensors, the reflected infrared sensors are located at the height position that lamp socket rises setting.
6. a kind of control method of intelligent elevated lamp base device, it is characterised in that：Comprise the following steps：
For control unit（3）The step of obtaining detection signal；
For judge bulb whether good step；
When bulb is good, access switch (2) control bulb light on and off the step of；
When bulb bad when, the step of access switch (2) controls lamp socket (7) to lift.
7. the control method of a kind of intelligent elevated lamp base device according to claim 5, it is characterised in that：The switch
(2) the step of control lamp socket (7) is lifted comprises the following steps：
For the step of whether switch (2) operation expires three bouts to be judged；
When full three bouts of (2) operation are switched, the step of into for controlling lamp socket (7) to lift；
The step of control lamp socket (7) lifts includes：
When being first switched on for switching (2), motor rotate forward, lamp socket (7) decline the step of；
For switch (2) close when, motor stop, lamp socket (7) stop the step of；
When being opened for switching (2) second, motor reversal, the step of lamp socket (7) rises；
For the step of whether lamp socket (7) reaches setting height to be judged；
When lamp socket (7) continues to rise without setting height, lamp socket is reached；
After lamp socket (7) reaches setting height, motor stops, the step of lamp socket stops；
When being closed for switching (2), the step of bulb stops；
The step of returning to control lamp socket (7) lifting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611168614.6A CN106714429A (en) | 2016-12-16 | 2016-12-16 | Intelligent lifting lamp holder device and control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611168614.6A CN106714429A (en) | 2016-12-16 | 2016-12-16 | Intelligent lifting lamp holder device and control method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106714429A true CN106714429A (en) | 2017-05-24 |
Family
ID=58938992
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611168614.6A Pending CN106714429A (en) | 2016-12-16 | 2016-12-16 | Intelligent lifting lamp holder device and control method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106714429A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000315592A (en) * | 1999-04-28 | 2000-11-14 | Toshiba Lighting & Technology Corp | Elevating type lighting system and lighting facility |
| CN2570644Y (en) * | 2002-09-27 | 2003-09-03 | 烟台市金丰工业炉制造有限公司 | Hot and dirty gas combustion automatic temperature control water valve apparatus |
| JP2004307113A (en) * | 2003-04-04 | 2004-11-04 | Atex Co Ltd | Lift controller |
| CN2937058Y (en) * | 2006-07-20 | 2007-08-22 | 陈焕春 | Breakless bucker elevator |
| JP2010205431A (en) * | 2009-02-27 | 2010-09-16 | Toshiba Corp | Liftable lighting system |
| CN202886900U (en) * | 2012-10-31 | 2013-04-17 | 肖兰 | Remote controller of rolling machine for solar greenhouses |
| CN104219857A (en) * | 2013-05-30 | 2014-12-17 | 海洋王（东莞）照明科技有限公司 | A light source detection alarm circuit and a lamp |
| CN206452590U (en) * | 2016-12-16 | 2017-08-29 | 广西水利电力职业技术学院 | A kind of intelligent elevated lamp base device |
-
2016
- 2016-12-16 CN CN201611168614.6A patent/CN106714429A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000315592A (en) * | 1999-04-28 | 2000-11-14 | Toshiba Lighting & Technology Corp | Elevating type lighting system and lighting facility |
| CN2570644Y (en) * | 2002-09-27 | 2003-09-03 | 烟台市金丰工业炉制造有限公司 | Hot and dirty gas combustion automatic temperature control water valve apparatus |
| JP2004307113A (en) * | 2003-04-04 | 2004-11-04 | Atex Co Ltd | Lift controller |
| CN2937058Y (en) * | 2006-07-20 | 2007-08-22 | 陈焕春 | Breakless bucker elevator |
| JP2010205431A (en) * | 2009-02-27 | 2010-09-16 | Toshiba Corp | Liftable lighting system |
| CN202886900U (en) * | 2012-10-31 | 2013-04-17 | 肖兰 | Remote controller of rolling machine for solar greenhouses |
| CN104219857A (en) * | 2013-05-30 | 2014-12-17 | 海洋王（东莞）照明科技有限公司 | A light source detection alarm circuit and a lamp |
| CN206452590U (en) * | 2016-12-16 | 2017-08-29 | 广西水利电力职业技术学院 | A kind of intelligent elevated lamp base device |
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| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170524 |