CN108365756A - A kind of Switching Power Supply - Google Patents
A kind of Switching Power Supply Download PDFInfo
- Publication number
- CN108365756A CN108365756A CN201810244959.8A CN201810244959A CN108365756A CN 108365756 A CN108365756 A CN 108365756A CN 201810244959 A CN201810244959 A CN 201810244959A CN 108365756 A CN108365756 A CN 108365756A
- Authority
- CN
- China
- Prior art keywords
- module
- diode
- capacitance
- power supply
- switching power
- 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
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M3/00—Conversion of dc power input into dc power output
- H02M3/22—Conversion of dc power input into dc power output with intermediate conversion into ac
- H02M3/24—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters
- H02M3/28—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac
- H02M3/325—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal
- H02M3/335—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only
- H02M3/33507—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of the output voltage or current, e.g. flyback converters
- H02M3/33523—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of the output voltage or current, e.g. flyback converters with galvanic isolation between input and output of both the power stage and the feedback loop
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/10—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for converters; for rectifiers
- H02H7/12—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for converters; for rectifiers for static converters or rectifiers
- H02H7/1213—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for converters; for rectifiers for static converters or rectifiers for DC-DC converters
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
- H02M1/32—Means for protecting converters other than automatic disconnection
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
- H02M1/0048—Circuits or arrangements for reducing losses
-
- 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
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/10—Technologies improving the efficiency by using switched-mode power supplies [SMPS], i.e. efficient power electronics conversion e.g. power factor correction or reduction of losses in power supplies or efficient standby modes
Abstract
The invention discloses a kind of Switching Power Supplies, including EMI modules, rectification module, input filter module, Voltage stabilizing module, output filter module, overvoltage protective module and absorption module, the EMI modules, rectification module, input filter module, Voltage stabilizing module and output filter module are electrically connected successively, the Voltage stabilizing module includes current constant control chip, switching tube, isolating transformer, sustained diode 1, capacitance C1, the absorption module includes resistance R1, diode D2 and capacitance C2, the overvoltage protective module includes resistance R2, diode D3, voltage-stabiliser tube D4, capacitance C3 and triode Q1, the present invention absorbs the crest voltage of Switching Power Supply by RCD absorption modules, assimilation effect is good, effectively reduce Switching Power Supply loss, improve switch power efficiency；Protection when realizing that output voltage is excessively high by overvoltage protective module simultaneously, the overvoltage protective module circuit structure is simple, effectively reduces Switching Power Supply cost of manufacture.The invention is for driving LED light source.
Description
Technical field
The present invention relates to electric circuit constructions, more specifically to a kind of switch power supply line structure.
Background technology
The power source design of driving LED light source is mainly Switching Power Supply scheme at present, and the Switching Power Supply is to utilize PWM arteries and veins
The time ratio for rushing Signal-controlled switch pipe on and off, to realize the function of output voltage stabilization.
In the prior art, Switching Power Supply design is in performance or not perfect, is mainly reflected in two aspects, first was
The cost of voltage protection circuit is higher, and the cost of manufacture to entire Switching Power Supply is made to be promoted, and second is the peak to Switching Power Supply
Threshold voltage absorption treatment measures are not good enough, cause the assimilation effect of Switching Power Supply crest voltage bad.
Invention content
The technical problem to be solved by the present invention is to：It provides a kind of while taking into account overvoltage protection and crest voltage absorption function
Switching Power Supply.
The solution that the present invention solves its technical problem is：
A kind of Switching Power Supply, the Switching Power Supply are inverse-excitation type switch power-supply, including EMI modules, rectification module, input filter
Wave module, Voltage stabilizing module and output filter module, the EMI modules, rectification module, input filter module, Voltage stabilizing module with
And output filter module is electrically connected successively, the Voltage stabilizing module includes current constant control chip, switching tube, isolating transformer, continues
Diode D1 and capacitance C1 is flowed, the isolating transformer is configured with armature winding, secondary windings and ancillary coil, the perseverance
Flow control chip output is connected with switch controlled end, the input filter module by isolating transformer armature winding with open
It closes pipe output end to be connected, isolating transformer secondary windings one end is connected with 1 anode of sustained diode, two pole of the afterflow
Pipe D1 cathode are connected by capacitance C1 with the isolating transformer secondary windings other end；The Switching Power Supply further includes overvoltage protection mould
Block and absorption module, the absorption module include resistance R1, diode D2 and capacitance C2, the diode D2 anodes with it is continuous
It flows diode D1 anodes to be connected, the diode D2 cathode are connected with 1 cathode of sustained diode, and the diode D2 anodes are logical
Cross concatenated resistance R1 and capacitance C2 and be connected to diode D2 cathode, the overvoltage protective module include resistance R2, diode D3,
Voltage-stabiliser tube D4, capacitance C3 and triode Q1, the isolating transformer auxiliary winding pass through resistance R2 and diode D3 anode phases
Even, the diode D3 cathode are connected with voltage-stabiliser tube D4 cathode, and the voltage-stabiliser tube D4 anodes are grounded by capacitance C3, three pole
Pipe Q1 base stages are connected with voltage-stabiliser tube D4 anodes, and emitter ground connection, collector is connected with switch controlled end.
As a further improvement of the above technical scheme, the overvoltage protective module further includes thermistor RT, the heat
Quick resistance RT is negative tempperature coefficient thermistor, the both ends the thermistor RT respectively with triode Q1 emitters and collector phase
Even.
As a further improvement of the above technical scheme, the current constant control chip model is BP3319.
The beneficial effects of the invention are as follows：The present invention is absorbed by the RCD that resistance R1, capacitance C2 and diode D2 are formed
Module absorbs the crest voltage of Switching Power Supply, and assimilation effect is good, while can effectively reduce Switching Power Supply loss, improves
Switch power efficiency；The overvoltage being made up of simultaneously resistance R2, diode D3, voltage-stabiliser tube D4, capacitance C3 and triode Q1
Protection module realizes safeguard measure when output voltage is excessively high, and the overvoltage protective module circuit structure is simple, effectively reduces switch
Power supply cost of manufacture.The invention is for driving LED light source.
Description of the drawings
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described.Obviously, described attached drawing is a part of the embodiment of the present invention, rather than is all implemented
Example, those skilled in the art without creative efforts, can also be obtained according to these attached drawings other designs
Scheme and attached drawing.
Fig. 1 is the circuit diagram of the present invention.
Specific implementation mode
The technique effect of the design of the present invention, concrete structure and generation is carried out below with reference to embodiment and attached drawing clear
Chu, complete description, to be completely understood by the purpose of the present invention, feature and effect.Obviously, described embodiment is this hair
Bright a part of the embodiment, rather than whole embodiments, based on the embodiment of the present invention, those skilled in the art are not being paid
The other embodiment obtained under the premise of creative work, belongs to the scope of protection of the invention.In addition, be previously mentioned in text
All connection relations, not single finger element directly connects, and referring to can be according to specific implementation situation, by adding or reducing connection
Element, to form more preferably circuit structure.Each technical characteristic in the invention, under the premise of not conflicting conflict
It can be with combination of interactions.
Referring to Fig.1, the invention discloses a kind of Switching Power Supply, and the Switching Power Supply is inverse-excitation type switch power-supply, packet
Include EMI modules, rectification module, input filter module, Voltage stabilizing module and output filter module, the EMI modules, rectification mould
Block, input filter module, Voltage stabilizing module and output filter module are electrically connected successively, and the Voltage stabilizing module includes current constant control
Chip, switching tube, isolating transformer, sustained diode 1 and capacitance C1, the isolating transformer is configured with armature winding, secondary
Grade winding and ancillary coil, the current constant control chip output are connected with switch controlled end, the input filter module
It is connected with switching tube output end by isolating transformer armature winding, isolating transformer secondary windings one end and two pole of afterflow
Pipe D1 anodes are connected, and 1 cathode of the sustained diode is connected by capacitance C1 with the isolating transformer secondary windings other end；Institute
It further includes overvoltage protective module and absorption module to state Switching Power Supply, the absorption module include resistance R1, diode D2 and
Capacitance C2, the diode D2 anodes are connected with 1 anode of sustained diode, the diode D2 cathode and sustained diode 1
Cathode is connected, and the diode D2 anodes are connected to diode D2 cathode, the overvoltage by concatenated resistance R1 and capacitance C2
Protection module includes resistance R2, diode D3, voltage-stabiliser tube D4, capacitance C3 and triode Q1, the isolating transformer auxiliary around
Group is connected by resistance R2 with diode D3 anodes, and the diode D3 cathode are connected with voltage-stabiliser tube D4 cathode, the voltage-stabiliser tube
D4 anodes are grounded by capacitance C3, and the triode Q1 base stages are connected with voltage-stabiliser tube D4 anodes, emitter ground connection, collector with open
Pipe control terminal is closed to be connected.Specifically, when switching tube is connected, isolating transformer secondary winding current fills capacitance C2 by resistance R1
Electricity, diode D2 are equivalent to open circuit, and charging current flows through resistance R1 and carries out braking absorption, when switching tube shutdown, isolating transformer
Secondary winding current discharges to Absorption Capacitance by diode D2 and capacitance C2, and diode D2 is equivalent to resistance R1 short circuits, is put
Electric current is not passed through resistance R1, to be not lost on resistance R1, realizes and improves Switching Power Supply while crest voltage absorbs
Efficiency；In addition when switch power source output voltage is excessively high, auxiliary winding voltage rises, voltage-stabiliser tube D4 conductings, to make three poles
Pipe Q1 conductings, switch controlled terminal potential is dragged down, and switching tube is made to be always at off state, and overvoltage described in the invention is protected
It is simple in structure to protect modular circuit, effectively reduces Switching Power Supply cost of manufacture.
Peak of the RCD absorption modules that the present invention is made up of resistance R1, capacitance C2 and diode D2 to Switching Power Supply
Threshold voltage is absorbed, and assimilation effect is good, while can effectively reduce Switching Power Supply loss, improves switch power efficiency；Simultaneously
Output electricity is realized by the overvoltage protective module that resistance R2, diode D3, voltage-stabiliser tube D4, capacitance C3 and triode Q1 are formed
Safeguard measure when pressing through high.
It is further used as preferred embodiment, in the invention specific implementation mode, the overvoltage protective module is also
Including thermistor RT, the thermistor RT is negative tempperature coefficient thermistor, and the both ends the thermistor RT are respectively with three
Pole pipe Q1 emitters are connected with collector.Specifically, when the power source temperature that opens the light is excessively high, thermistor RT resistance values reduce, equally
Switch controlled terminal potential has been dragged down, switching tube is made to be off state.
It is further used as preferred embodiment, in the invention specific implementation mode, the current constant control is chip-shaped
Number be BP3319.The current constant control chip of the model is configured with power factor emendation function, effectively improves the work(of Switching Power Supply
Rate factor, while the Resonance Wave Composition of output voltage electric current can also be reduced.
The better embodiment of the present invention is illustrated above, but the invention is not limited to the implementation
Example, those skilled in the art can also make various equivalent modifications or be replaced under the premise of without prejudice to spirit of that invention
It changes, these equivalent modifications or replacement are all contained in the application claim limited range.
Claims (3)
1. a kind of Switching Power Supply, the Switching Power Supply is inverse-excitation type switch power-supply, including EMI modules, rectification module, input filter
Module, Voltage stabilizing module and output filter module, the EMI modules, rectification module, input filter module, Voltage stabilizing module and
Output filter module is electrically connected successively, it is characterised in that：The Voltage stabilizing module includes current constant control chip, switching tube, isolation
Transformer, sustained diode 1 and capacitance C1, the isolating transformer are configured with armature winding, secondary windings and auxiliary line
Circle, the current constant control chip output are connected with switch controlled end, and the input filter module passes through at the beginning of isolating transformer
Grade winding is connected with switching tube output end, and isolating transformer secondary windings one end is connected with 1 anode of sustained diode, institute
1 cathode of sustained diode is stated by capacitance C1 to be connected with the isolating transformer secondary windings other end；The Switching Power Supply further includes
Overvoltage protective module and absorption module, the absorption module include resistance R1, diode D2 and capacitance C2, the diode
D2 anodes are connected with 1 anode of sustained diode, and the diode D2 cathode are connected with 1 cathode of sustained diode, two pole
Pipe D2 anodes are connected to diode D2 cathode by concatenated resistance R1 and capacitance C2, and the overvoltage protective module includes resistance
R2, diode D3, voltage-stabiliser tube D4, capacitance C3 and triode Q1, the isolating transformer auxiliary winding pass through resistance R2 and two
Pole pipe D3 anodes are connected, and the diode D3 cathode are connected with voltage-stabiliser tube D4 cathode, and the voltage-stabiliser tube D4 anodes pass through capacitance C3
Ground connection, the triode Q1 base stages are connected with voltage-stabiliser tube D4 anodes, and emitter ground connection, collector is connected with switch controlled end.
2. a kind of Switching Power Supply according to claim 1, it is characterised in that：The overvoltage protective module further includes temperature-sensitive electricity
RT is hindered, the thermistor RT is negative tempperature coefficient thermistor, and the both ends the thermistor RT emit with triode Q1 respectively
Pole is connected with collector.
3. a kind of Switching Power Supply according to claim 2, it is characterised in that：The current constant control chip model is
BP3319。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810244959.8A CN108365756A (en) | 2018-03-23 | 2018-03-23 | A kind of Switching Power Supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810244959.8A CN108365756A (en) | 2018-03-23 | 2018-03-23 | A kind of Switching Power Supply |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108365756A true CN108365756A (en) | 2018-08-03 |
Family
ID=63001420
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810244959.8A Pending CN108365756A (en) | 2018-03-23 | 2018-03-23 | A kind of Switching Power Supply |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108365756A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111245198A (en) * | 2018-11-28 | 2020-06-05 | 浙江宇视科技有限公司 | Auxiliary source circuit and isolating switch power supply |
| CN112671243A (en) * | 2020-11-23 | 2021-04-16 | 珠海格力电器股份有限公司 | Flyback switching power supply and control method and device thereof |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2572664Y (en) * | 2002-09-20 | 2003-09-10 | 毛灿豪 | Switch power source with short circuit protection |
| CN201270477Y (en) * | 2008-09-26 | 2009-07-08 | 黄钦荣 | Switch electric power for diode checking and controlling acoustic |
| US20130020867A1 (en) * | 2011-07-18 | 2013-01-24 | Rodney Alan Hughes | Self synchronizing power converter apparatus and method suitable for auxiliary bias for dynamic load applications |
| CN204068678U (en) * | 2014-06-19 | 2014-12-31 | 深圳市聚电电源技术有限公司 | A kind of Switching Power Supply output over-voltage protection and thermal-shutdown circuit |
| CN106686826A (en) * | 2017-02-09 | 2017-05-17 | 中山自信照明科技有限公司 | Led lighting power supply circuit |
| CN206250978U (en) * | 2016-12-13 | 2017-06-13 | 东莞市乐丰电器科技有限公司 | Switching Power Supply with input undervoltage protection |
| CN206490866U (en) * | 2017-02-09 | 2017-09-12 | 中山自信照明科技有限公司 | LED illumination power circuit |
-
2018
- 2018-03-23 CN CN201810244959.8A patent/CN108365756A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2572664Y (en) * | 2002-09-20 | 2003-09-10 | 毛灿豪 | Switch power source with short circuit protection |
| CN201270477Y (en) * | 2008-09-26 | 2009-07-08 | 黄钦荣 | Switch electric power for diode checking and controlling acoustic |
| US20130020867A1 (en) * | 2011-07-18 | 2013-01-24 | Rodney Alan Hughes | Self synchronizing power converter apparatus and method suitable for auxiliary bias for dynamic load applications |
| CN204068678U (en) * | 2014-06-19 | 2014-12-31 | 深圳市聚电电源技术有限公司 | A kind of Switching Power Supply output over-voltage protection and thermal-shutdown circuit |
| CN206250978U (en) * | 2016-12-13 | 2017-06-13 | 东莞市乐丰电器科技有限公司 | Switching Power Supply with input undervoltage protection |
| CN106686826A (en) * | 2017-02-09 | 2017-05-17 | 中山自信照明科技有限公司 | Led lighting power supply circuit |
| CN206490866U (en) * | 2017-02-09 | 2017-09-12 | 中山自信照明科技有限公司 | LED illumination power circuit |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111245198A (en) * | 2018-11-28 | 2020-06-05 | 浙江宇视科技有限公司 | Auxiliary source circuit and isolating switch power supply |
| CN112671243A (en) * | 2020-11-23 | 2021-04-16 | 珠海格力电器股份有限公司 | Flyback switching power supply and control method and device thereof |
| CN112671243B (en) * | 2020-11-23 | 2023-10-03 | 珠海格力电器股份有限公司 | Flyback switching power supply and control method and device thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102665322B (en) | Driving power supply without electrolytic capacitor | |
| CN101827488B (en) | Fluorescent lamp electronic ballast and lighting device | |
| CN201230282Y (en) | Auxiliary electric source actuating apparatus for solar photovoltaic combining inverter | |
| CN104185333A (en) | Constant-current constant-voltage circuit and illuminating device | |
| CN108365756A (en) | A kind of Switching Power Supply | |
| CN201995169U (en) | Driving power supply of high-power LED (light-emitting diode) street lamp | |
| CN208589920U (en) | A kind of isolated form Wide-range voltage-stabilised power source circuit | |
| CN202514138U (en) | Drive power supply for non-electrolytic capacitor | |
| CN204578876U (en) | A kind of power driving circuit of AC/DC | |
| CN210579385U (en) | Sequential control circuit for suppressing current overshoot by BUCK topology | |
| CN102810986B (en) | A kind of series topology LED switch power circuit | |
| CN101997310A (en) | Surge protection circuit and flyback power factor correction device | |
| CN103857109B (en) | A kind of constant-current voltage-stabilizing drive circuit and light fixture | |
| CN103441672B (en) | A kind of self-excitation BUCK circuit based on auxiliary winding type sample circuit | |
| CN212183788U (en) | LED surge protection circuit | |
| CN104467435A (en) | Balance modulation type multiplex output stabilized voltage supply based on logic protection amplifying circuit | |
| CN109246892B (en) | Linear voltage stabilizing circuit and voltage stabilizing power supply system | |
| CN103490387B (en) | A kind of single-stage PFC fly-back power source input under-voltage protection circuit | |
| CN209283087U (en) | Efficient filtering circuit and power supply output system | |
| CN110661418B (en) | Buck circuit based on soft switch | |
| CN203968465U (en) | A kind of simple great power LED lamp driving power source efficiently | |
| CN104092370B (en) | A kind of self-excited type Boost circuit | |
| CN209593816U (en) | Linear voltage-stabilizing circuit and regulated power supply system | |
| CN207251464U (en) | Anti- overshoot circuit with the damping of wide output area | |
| CN218276082U (en) | Harmonic suppression circuit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180803 |
|
| RJ01 | Rejection of invention patent application after publication |