CN109347062A - Self-checking system of leaking electricity and its working method - Google Patents
Self-checking system of leaking electricity and its working method Download PDFInfo
- Publication number
- CN109347062A CN109347062A CN201910006074.9A CN201910006074A CN109347062A CN 109347062 A CN109347062 A CN 109347062A CN 201910006074 A CN201910006074 A CN 201910006074A CN 109347062 A CN109347062 A CN 109347062A
- Authority
- CN
- China
- Prior art keywords
- electric leakage
- power supply
- supply line
- self
- circuit
- 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
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
- H02H3/26—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to difference between voltages or between currents; responsive to phase angle between voltages or between currents
- H02H3/32—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to difference between voltages or between currents; responsive to phase angle between voltages or between currents involving comparison of the voltage or current values at corresponding points in different conductors of a single system, e.g. of currents in go and return conductors
- H02H3/325—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to difference between voltages or between currents; responsive to phase angle between voltages or between currents involving comparison of the voltage or current values at corresponding points in different conductors of a single system, e.g. of currents in go and return conductors involving voltage comparison
Landscapes
- Emergency Protection Circuit Devices (AREA)
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
Abstract
The present invention relates to a kind of electric leakage self-checking system and its working method, this electric leakage self-checking system include: control unit, connect charging pile power supply line electric leakage self-test opening device, and the electric leakage signal detection module being electrical connected with described control unit；Wherein described control unit sends booting detection control signal and opens the electric leakage self-test opening device, the power supply line of the electric leakage self-test opening device is connected to obtain the supply current of charging pile, the electric leakage signal detection module is adapted to detect for whether generating electric leakage signal in the power supply line, i.e. when generating electric leakage in the power supply line of charging pile, described control unit output is executed instruction；The present invention, when detecting in charging pile power supply line in the presence of electric leakage hidden danger, is removed a hidden danger in time to avoid the generation of safety accident by carrying out electric leakage self-test when charging pile starts.
Description
Technical field
The present invention relates to a kind of charging pile protection field more particularly to a kind of electric leakage self-checking systems and its working method.
Background technique
The alternating-current charging pile of electric car is generally not provided with booting electric leakage automatic detection function at present, or using tradition leakage
Non-electricity protector；But due in charging pile there are a large amount of control circuit, the energization of the processor module in general control circuit
Starting the time is about 50ms, but leaking electricity is to occur immediately after powered up.
Therefore, when control circuit starts, leaky may be had occurred and that, and the sound of traditional earth leakage protective device
50ms being much larger than between seasonable, and trigger condition is higher, the electric leakage lower than current value can not trigger power-off in time, therefore in charging pile
Interior use conventional earth leakage protector is inappropriate.
Therefore, for the detection electric leakage in time before control circuit board starting, the processor of charging pile can be avoided to damage in time
It is bad, to cause immeasurable high voltage electric safety accident.
Therefore, need to develop a kind of electric leakage self-checking system and its working method, to solve the above problems.
Summary of the invention
The object of the present invention is to provide a kind of electric leakage self-checking system and its working methods.
In order to solve the above-mentioned technical problems, the present invention provides a kind of electric leakage self-checking systems comprising: control unit, company
The electric leakage self-test opening device of the power supply line of charging pile is connect, and the electric leakage signal being electrical connected with described control unit detects
Module；Wherein described control unit sends the detection control signal that is switched on and opens the electric leakage self-test opening device, and the electric leakage is certainly
The power supply line of inspection opening device is connected to obtain the supply current of charging pile, and the electric leakage signal detection module is adapted to detect for institute
It states and whether generates electric leakage signal in power supply line, i.e., when generating electric leakage in the power supply line of charging pile, described control unit is defeated
It executes instruction out.
Further, a power resistor is concatenated in the power supply line, when power supply line conducting, the power supply line
Generate current signal.
Further, the electric leakage signal detection module is current transformer, and the current transformer is suitable for respectively from described
The zero line of power supply line, zero line side obtain current signal.
Further, described control unit includes: shaping circuit and comparison circuit；The shaping circuit respectively to zero line and
Two input terminals of the comparison circuit are delivered to after the current signal progress shaping of zero line side, if two input current signals are inconsistent
When, comparison voltage is exported to trigger electric leakage self-test opening device.
Further, the electric leakage self-test opening device includes: RC circuit, driving triode, relay, wherein；It is described after
Two normally-closed contacts of electric appliance are serially connected in the L line and N line in power supply line；The comparison circuit output comparison voltage is to control
The RC circuit carries out filling energy, when the capacitance voltage raising in the RC circuit so that after the base stage of driving triode is connected, institute
The coil for stating the i.e. relay of driving triode conducting obtains electric, and two normally-closed contacts of the relay disconnect.
Further, the time to recharge of the RC circuit is 30ms-50ms.
On the other hand, the present invention provides a kind of working method of self-checking system of leaking electricity comprising: obtain the power supply of charging pile
Electric current；Whether detection power supply line generates electric leakage signal；If generating electric leakage signal, output is executed instruction to disconnect power supply line.
Further, the method that whether the detection supply current generates electric leakage signal includes: the detection time control
System is in 30ms-50ms.
Further, the working method is suitable for working using electric leakage self-checking system；The electric leakage self-checking system includes:
Control unit, connect charging pile power supply line electric leakage self-test opening device, and be electrical connected with described control unit
Electric leakage signal detection module；Wherein described control unit sends the booting detection control signal unlatching electric leakage self-test and opens dress
It sets, the power supply line of the electric leakage self-test opening device is connected to obtain the supply current of charging pile, the electric leakage signal detection
Module is adapted to detect for electric leakage signal whether is generated in the power supply line, i.e., when generating electric leakage in the power supply line of charging pile,
Described control unit output executes instruction.
Further, a power resistor is concatenated in the power supply line, when power supply line conducting, the power supply line
Generate current signal；The electric leakage signal detection module is current transformer, and the current transformer is suitable for respectively from the confession
The zero line of electric line, zero line side obtain current signal；Described control unit includes: shaping circuit and comparison circuit；It is described whole
Shape circuit carries out two input terminals that the comparison circuit is delivered to after shaping to the current signal of zero line and zero line side respectively, if
When two input current signals are inconsistent, comparison voltage is exported to trigger electric leakage self-test opening device；Dress is opened in the electric leakage self-test
Setting includes: RC circuit, driving triode, relay, wherein；Two normally-closed contacts of the relay are serially connected in power supply line
L line and N line in；The comparison circuit output comparison voltage carries out filling energy to control the RC circuit, when in the RC circuit
Capacitance voltage increase so that after the base stage conducting of driving triode, driving triode conducting is that the coil of relay obtains
Two normally-closed contacts of electricity, the relay disconnect；The time to recharge of the RC circuit is 30ms-50ms.
The invention has the advantages that the present invention by carrying out electric leakage self-test when charging pile starts, charges when detecting
When there is electric leakage hidden danger in stake power supply line, removed a hidden danger in time to avoid the generation of safety accident.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples.
Fig. 1 is the functional block diagram of present invention electric leakage self-checking system.
Fig. 2 is the circuit diagram of present invention electric leakage self-checking system.
Fig. 3 is the flow chart of the working method of present invention electric leakage self-checking system.
In figure: resistance R1, capacitor C1, power resistor R3, current transformer TA, relay K1, instruction diode D1, three poles
Pipe Q1.
Specific embodiment
In conjunction with the accompanying drawings, the present invention is further explained in detail.These attached drawings are simplified schematic diagram, only with
Illustration illustrates basic structure of the invention, therefore it only shows the composition relevant to the invention.
Embodiment 1
Fig. 1 is the functional block diagram of present invention electric leakage self-checking system；
Fig. 2 is the circuit diagram of present invention electric leakage self-checking system.
In the present embodiment, as shown in Figure 1 and Figure 2, a kind of electric leakage self-checking system is present embodiments provided comprising: control
The electric leakage self-test opening device of the power supply line of unit, connection charging pile, and the electric leakage being electrical connected with described control unit
Signal detection module；Wherein described control unit sends booting detection control signal and opens the electric leakage self-test opening device, institute
Power supply line's conducting of electric leakage self-test opening device is stated to obtain the supply current of charging pile, the electric leakage signal detection module is suitable
In detecting in the power supply line whether generate electric leakage signal, i.e., when generation electric leakage in the power supply line of charging pile, the control
Unit output processed executes instruction.
In the present embodiment, it executes instruction to be alarmed, disconnecting power supply line.
In the present embodiment, the present embodiment is by carrying out electric leakage self-test when charging pile starts, when detecting that charging pile supplies
When there is electric leakage hidden danger in electric line, removed a hidden danger in time to avoid the generation of safety accident.
Specifically, a power resistor R3 is concatenated in the power supply line, and when power supply line conducting, the supply lines
Road generates current signal.
In order to obtain current signal from the zero line of power supply line, zero line side, the electric leakage signal detection module is electric current
Mutual inductor TA, the current transformer TA are suitable for obtaining current signal from the zero line of the power supply line, zero line side respectively.
In order to detect whether that, there are electric leakage signal, described control unit includes: shaping circuit and comparison circuit；The shaping
Circuit carries out two input terminals that the comparison circuit is delivered to after shaping to the current signal of zero line and zero line side respectively, if two
When input current signal is inconsistent, comparison voltage is exported to trigger electric leakage self-test opening device.
For automatic start-stop electric leakage self-test opening device, as shown in Fig. 2, the electric leakage self-test opening device includes: by electricity
RC circuit, the driving triode Q1, relay K1 of R1 and capacitor C1 composition are hindered, wherein；Two normally closed touchings of the relay K1
In the L line and N line that point is serially connected in power supply line；The comparison circuit output comparison voltage is filled with controlling the RC circuit
Can, when the capacitance voltage raising in the RC circuit so that after the base stage of driving triode Q1 is connected, the driving triode Q1
Conducting is that the coil of relay K1 obtains electric, and two normally-closed contacts of the relay K1 disconnect.
In the present embodiment, in order to more preferably show, the structure of relay K1 conceals in figure.
In the present embodiment, indicate that diode D1 is used to indicate the folding condition of relay K1 in Fig. 2.
In order to whether there is electric leakage hidden danger in detection power supply line before the processor of charging pile starts, the RC circuit
Time to recharge is 30ms-50ms；In the present embodiment, occur by filling to judge by accident to prevent leak-stopping electric signal the duration.
In the present embodiment, the charging pile processor starting time is 50ms, when RC circuit time to recharge is less than the charging pile
Processor starts the time, i.e., this electric leakage self-checking system completes electric leakage self-test before charging pile processor starts, and disconnects charging in time
The power supply of stake is to protect charging pile.
Embodiment 2
Fig. 3 is the flow chart of the working method of present invention electric leakage self-checking system.
On the basis of embodiment 1, as shown in figure 3, the present embodiment provides a kind of working method of self-checking system of leaking electricity,
It include: the supply current for obtaining charging pile；Whether detection power supply line generates electric leakage signal；If generating electric leakage signal, output is held
Row instruction is to disconnect power supply line.
Specifically, the method whether the detection supply current generates electric leakage signal includes: the detection time control
System is in 30ms-50ms.
Specifically, the working method is suitable for working using electric leakage self-checking system；The electric leakage self-checking system includes:
Control unit, connect charging pile power supply line electric leakage self-test opening device, and be electrical connected with described control unit
Electric leakage signal detection module；Wherein described control unit sends the booting detection control signal unlatching electric leakage self-test and opens dress
It sets, the power supply line of the electric leakage self-test opening device is connected to obtain the supply current of charging pile, the electric leakage signal detection
Module is adapted to detect for electric leakage signal whether is generated in the power supply line, i.e., when generating electric leakage in the power supply line of charging pile,
Described control unit output executes instruction.
Specifically, a power resistor R3 is concatenated in the power supply line, and when power supply line conducting, the supply lines
Road generates current signal；The electric leakage signal detection module be current transformer TA, the current transformer TA be suitable for respectively from
The zero line of the power supply line, zero line side obtain current signal；Described control unit includes: shaping circuit and comparison circuit；
The shaping circuit is defeated to be delivered to the comparison circuit after the current signal progress shaping of zero line and zero line side two respectively
Enter end, if two input current signals are inconsistent, exports comparison voltage to trigger electric leakage self-test opening device；The electric leakage self-test
Opening device includes: RC circuit, driving triode Q1, relay K1, wherein；Two normally-closed contacts of the relay K1 concatenate
In L line and N line in power supply line；The comparison circuit output comparison voltage carries out filling energy to control the RC circuit, when
Capacitance voltage in the RC circuit increases so that after the base stage conducting of driving triode Q1, and the driving triode Q1, which is connected, is
The coil of relay K1 obtains electric, and two normally-closed contacts of the relay K1 disconnect；The time to recharge of the RC circuit is
30ms-50ms。
In conclusion the present invention is by carrying out electric leakage self-test when charging pile starts, when detecting charging pile power supply line
When the middle hidden danger in the presence of electric leakage, removed a hidden danger in time to avoid the generation of safety accident；It is less than by controlling RC circuit time to recharge
Charging pile processor starts the time, i.e., this electric leakage self-checking system completes electric leakage self-test before charging pile processor starts, disconnected in time
The power supply of charging pile is opened to protect to charging pile；Electric leakage self-checking system, which is realized, to be automatically turned on, is automatically closed, and controls detection
Time realizes device self-protection；Occur by filling to judge by accident to prevent leak-stopping electric signal the duration.
Taking the above-mentioned ideal embodiment according to the present invention as inspiration, through the above description, relevant staff is complete
Various changes and amendments can be carried out without departing from the scope of the technological thought of the present invention' entirely.The technology of this invention
Property range is not limited to the contents of the specification, it is necessary to which the technical scope thereof is determined according to the scope of the claim.
Claims (10)
1. a kind of electric leakage self-checking system characterized by comprising
Control unit, connect charging pile power supply line electric leakage self-test opening device, and with described control unit electrical property phase
Electric leakage signal detection module even；Wherein
Described control unit sends booting detection control signal and opens the electric leakage self-test opening device, and the electric leakage self-test is opened
The power supply line of device is connected to obtain the supply current of charging pile, and the electric leakage signal detection module is adapted to detect for the power supply
Whether electric leakage signal is generated in route, i.e.,
When generating electric leakage in the power supply line of charging pile, described control unit output is executed instruction.
2. electric leakage self-checking system as described in claim 1, which is characterized in that
A power resistor is concatenated in the power supply line, when power supply line conducting, the power supply line generates electric current letter
Number.
3. electric leakage self-checking system as claimed in claim 2, which is characterized in that
The electric leakage signal detection module is current transformer, and the current transformer is suitable for respectively from the fire of the power supply line
Line end, zero line side obtain current signal.
4. electric leakage self-checking system as claimed in claim 3, which is characterized in that
Described control unit includes: shaping circuit and comparison circuit；
The shaping circuit is delivered to the comparison circuit after carrying out shaping to the current signal of zero line and zero line side respectively
Two input terminals export comparison voltage if two input current signals are inconsistent to trigger electric leakage self-test opening device.
5. electric leakage self-checking system as claimed in claim 4, which is characterized in that
The electric leakage self-test opening device includes: RC circuit, driving triode, relay, wherein；
Two normally-closed contacts of the relay are serially connected in the L line and N line in power supply line；
The comparison circuit output comparison voltage carries out filling energy to control the RC circuit, the capacitance voltage in the RC circuit
It increases down to after the base stage conducting of driving triode, the driving triode conducting is that the coil of relay obtains electric, the relay
Two normally-closed contacts of device disconnect.
6. electric leakage self-checking system as claimed in claim 5, which is characterized in that
The time to recharge of the RC circuit is 30ms-50ms.
7. a kind of working method for self-checking system of leaking electricity characterized by comprising
Obtain the supply current of charging pile；
Whether detection power supply line generates electric leakage signal；
If generating electric leakage signal, output is executed instruction to disconnect power supply line.
8. the working method of electric leakage self-checking system as claimed in claim 7, which is characterized in that
The method whether detection supply current generates electric leakage signal includes:
The detection time control is in 30ms-50ms.
9. the working method of electric leakage self-checking system as claimed in claim 7, which is characterized in that
The working method is suitable for working using electric leakage self-checking system；
The electric leakage self-checking system includes:
Control unit, connect charging pile power supply line electric leakage self-test opening device, and with described control unit electrical property phase
Electric leakage signal detection module even；Wherein
Described control unit sends booting detection control signal and opens the electric leakage self-test opening device, and the electric leakage self-test is opened
The power supply line of device is connected to obtain the supply current of charging pile, and the electric leakage signal detection module is adapted to detect for the power supply
Whether electric leakage signal is generated in route, i.e.,
When generating electric leakage in the power supply line of charging pile, described control unit output is executed instruction.
10. the working method of electric leakage self-checking system as claimed in claim 9, which is characterized in that
A power resistor is concatenated in the power supply line, when power supply line conducting, the power supply line generates electric current letter
Number；
The electric leakage signal detection module is current transformer, and the current transformer is suitable for respectively from the fire of the power supply line
Line end, zero line side obtain current signal；
Described control unit includes: shaping circuit and comparison circuit；
The shaping circuit is delivered to the comparison circuit after carrying out shaping to the current signal of zero line and zero line side respectively
Two input terminals export comparison voltage if two input current signals are inconsistent to trigger electric leakage self-test opening device；
The electric leakage self-test opening device includes: RC circuit, driving triode, relay, wherein；
Two normally-closed contacts of the relay are serially connected in the L line and N line in power supply line；
The comparison circuit output comparison voltage carries out filling energy to control the RC circuit, the capacitance voltage in the RC circuit
It increases down to after the base stage conducting of driving triode, the driving triode conducting is that the coil of relay obtains electric, the relay
Two normally-closed contacts of device disconnect；
The time to recharge of the RC circuit is 30ms-50ms.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910006074.9A CN109347062A (en) | 2019-01-04 | 2019-01-04 | Self-checking system of leaking electricity and its working method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910006074.9A CN109347062A (en) | 2019-01-04 | 2019-01-04 | Self-checking system of leaking electricity and its working method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109347062A true CN109347062A (en) | 2019-02-15 |
Family
ID=65297353
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910006074.9A Pending CN109347062A (en) | 2019-01-04 | 2019-01-04 | Self-checking system of leaking electricity and its working method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109347062A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110286293A (en) * | 2019-07-25 | 2019-09-27 | 云南电网有限责任公司电力科学研究院 | A kind of self-energizing electric leakage monitoring method and system based on leakage current |
| CN110286294A (en) * | 2019-07-25 | 2019-09-27 | 云南电网有限责任公司电力科学研究院 | A kind of self-energizing device and method for monitoring of leaking electricity |
| CN112230109A (en) * | 2020-10-29 | 2021-01-15 | 株洲中车时代电气股份有限公司 | Alternating current insulation monitoring method and device, storage medium and electronic equipment |
| CN114079261A (en) * | 2021-11-08 | 2022-02-22 | 邹平市供电有限公司 | Intelligent leakage protection switch |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101938111A (en) * | 2009-06-30 | 2011-01-05 | 西门子公司 | Control device and control method for residual current circuit breaker |
| CN202059153U (en) * | 2011-04-18 | 2011-11-30 | 乐清市公认电气有限公司 | Leakage protector suitable for over-current inverse time lag protection circuit |
| CN107528362A (en) * | 2017-07-27 | 2017-12-29 | 安徽雄峰新能源科技有限公司 | A kind of charging pile Initiative Defence System |
-
2019
- 2019-01-04 CN CN201910006074.9A patent/CN109347062A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101938111A (en) * | 2009-06-30 | 2011-01-05 | 西门子公司 | Control device and control method for residual current circuit breaker |
| CN202059153U (en) * | 2011-04-18 | 2011-11-30 | 乐清市公认电气有限公司 | Leakage protector suitable for over-current inverse time lag protection circuit |
| CN107528362A (en) * | 2017-07-27 | 2017-12-29 | 安徽雄峰新能源科技有限公司 | A kind of charging pile Initiative Defence System |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110286293A (en) * | 2019-07-25 | 2019-09-27 | 云南电网有限责任公司电力科学研究院 | A kind of self-energizing electric leakage monitoring method and system based on leakage current |
| CN110286294A (en) * | 2019-07-25 | 2019-09-27 | 云南电网有限责任公司电力科学研究院 | A kind of self-energizing device and method for monitoring of leaking electricity |
| CN112230109A (en) * | 2020-10-29 | 2021-01-15 | 株洲中车时代电气股份有限公司 | Alternating current insulation monitoring method and device, storage medium and electronic equipment |
| CN114079261A (en) * | 2021-11-08 | 2022-02-22 | 邹平市供电有限公司 | Intelligent leakage protection switch |
| CN114079261B (en) * | 2021-11-08 | 2023-09-29 | 邹平市供电有限公司 | Intelligent leakage protection switch |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109347062A (en) | Self-checking system of leaking electricity and its working method | |
| JP5920469B2 (en) | Power supply | |
| CN108548986B (en) | High-resistance grounding detection system, device and method of low-current grounding system | |
| CN108909494B (en) | Charging system and electric automobile | |
| US8953296B2 (en) | AC pre-charge circuit | |
| CN106828181A (en) | Electric vehicle charge control device | |
| WO2011130569A1 (en) | Ground fault interrupt circuit for electric vehicle | |
| CN109342935A (en) | Device and method for detecting failure of direct-current bus charging circuit relay and motor | |
| CN108134273A (en) | The safety electric outlet circuit of low pressure detection control | |
| CN100561814C (en) | Protecting circuit for electrical equipment | |
| CN106711938A (en) | Leakage protector | |
| CN108933427B (en) | Electric water heater and protection device thereof | |
| CN109119975A (en) | A kind of failure protection method of the breaker of direct current system and its start-up course | |
| EP3034350A1 (en) | Safety method for use in charging electric vehicles | |
| CN205319756U (en) | Fill electric pile control circuit | |
| CN205847076U (en) | AC D/C power | |
| CN212304722U (en) | Electric leakage protection system | |
| CN109449912A (en) | Neutral earthing devices and its control method | |
| CN104242252A (en) | Battery over-discharge protecting circuit | |
| CN106300240B (en) | Delay protection circuit | |
| CN207459702U (en) | A kind of earth leakage protective device and a kind of charging equipment | |
| CN111856325A (en) | Electric automobile that area was kept apart and self-checking function fills electric pile electric leakage detection circuit | |
| JP2023504310A (en) | Control device, energy conversion system, energy conversion method, and storage medium | |
| CN107305230A (en) | Use electric detection means | |
| CN207652028U (en) | A kind of switching power circuit and its protection circuit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| 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 | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190215 |