CN111688545B - An electric vehicle ground control system and vehicle approach control method thereof - Google Patents
An electric vehicle ground control system and vehicle approach control method thereof Download PDFInfo
- Publication number
- CN111688545B CN111688545B CN202010704850.5A CN202010704850A CN111688545B CN 111688545 B CN111688545 B CN 111688545B CN 202010704850 A CN202010704850 A CN 202010704850A CN 111688545 B CN111688545 B CN 111688545B
- Authority
- CN
- China
- Prior art keywords
- power supply
- vehicle
- supply module
- magnetic field
- safety
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000000034 method Methods 0.000 title claims abstract description 19
- 238000013459 approach Methods 0.000 title claims abstract description 5
- 238000012790 confirmation Methods 0.000 claims abstract description 9
- 238000004590 computer program Methods 0.000 claims description 9
- 238000001514 detection method Methods 0.000 claims description 8
- 238000003860 storage Methods 0.000 claims description 3
- 238000010295 mobile communication Methods 0.000 abstract description 3
- 230000002411 adverse Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 abstract description 2
- 230000007257 malfunction Effects 0.000 abstract 1
- 238000004891 communication Methods 0.000 description 4
- 239000004020 conductor Substances 0.000 description 4
- 230000009471 action Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000011065 in-situ storage Methods 0.000 description 2
- 238000003745 diagnosis Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60M—POWER SUPPLY LINES, AND DEVICES ALONG RAILS, FOR ELECTRICALLY- PROPELLED VEHICLES
- B60M1/00—Power supply lines for contact with collector on vehicle
- B60M1/02—Details
- B60M1/10—Arrangements for energising and de-energising power line sections using magnetic actuation by the passing vehicle
- B60M1/103—Arrangements for energising and de-energising power line sections using magnetic actuation by the passing vehicle by vehicle-borne magnets
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
本发明公开了一种电气车辆地面供电系统及其车辆接近确认控制方法，车辆底部设置磁信号覆盖条，线路上的每个供电模块沿车辆行进方向顺序均匀设置N个磁场传感器。当n个磁场传感器同时测到车辆磁信号时，断开供电模块与安全负极的连接，接通电源与供电模块的连接；否则断开电源与供电模块的连接，接通供电模块与安全负极的连接。可以准确无误地确认车辆接近状态，及时安全地接通或切断电源或安全负极与供电模块的连接，彻底杜绝各种移动通讯设备对车辆安全运行及地面安全供电的不良影响。n取值2及以上时，可以进一步杜绝外界因素影响例如儿童玩弄磁铁块而造成的误动作。
The present invention discloses a ground power supply system for an electric vehicle and a vehicle approach confirmation control method thereof. A magnetic signal covering strip is arranged at the bottom of the vehicle, and each power supply module on the line is evenly arranged with N magnetic field sensors in sequence along the direction of vehicle travel. When the n magnetic field sensors simultaneously detect the magnetic signal of the vehicle, the connection between the power supply module and the safety negative electrode is disconnected, and the connection between the power supply module and the power supply module is connected; otherwise, the connection between the power supply and the power supply module is disconnected, and the connection between the power supply module and the safety negative electrode is connected. The approaching state of the vehicle can be accurately confirmed, and the power supply or the connection between the safety negative electrode and the power supply module can be connected or disconnected in a timely and safe manner, completely eliminating the adverse effects of various mobile communication devices on the safe operation of the vehicle and the safe power supply on the ground. When n takes a value of 2 or more, it can further eliminate the influence of external factors, such as malfunctions caused by children playing with magnets.
Description
Technical Field
The invention relates to the technical field of electric vehicle power supply, in particular to a vehicle proximity confirmation control method and device of an electric vehicle ground power supply system.
Background
The ground power supply technology of electric vehicles has the advantages of canceling overhead network lines, being convenient and safe to approach, being beneficial to urban landscapes and the like, and is popular with urban constructors. The ground power supply technology adopts a contact type switch circuit module initially, and continuously supplies power to a vehicle in a segmented manner. When the vehicle approaches, the conductor element of the module is disconnected from the ground potential by means of the action of the magnetic pick-up device on the vehicle, the positive feeder is connected to the conductor element of the module, and when the vehicle is away, the action of the magnetic pick-up device on the vehicle is lost, the feeder is disconnected from the conductor element of the module, and the conductor element of the module resumes connection to the ground potential. The method has the advantages that faults are more and short circuits often occur, a power supply module is directly connected to a power supply system, fault diagnosis in the system does not have the function of isolating faults of the power supply module, positive contacts are adhered when the modules fail, the modules are positively charged, crisis personnel safety is guaranteed, a safety negative pole circuit is adopted to ground the surfaces of the modules when no vehicle is in operation, and due to the fact that the safety negative pole circuit is connected with a plurality of bolts, the safety negative pole circuit is opened when the bolts are corroded or loosened, and protection failure is caused.
The above problems are well addressed in the chinese patent application number 201910804298.4. The patent application proposes an electric vehicle ground power supply device, wherein adjacent power supply rails are mutually and insulated to form a power supply rail, and a power supply switch circuit is arranged for each section of power supply rail, and is connected between a positive electrode of a power supply and the power supply rail, a safe grounding switch circuit is connected between the power supply rail and a safe negative electrode, and a controller receives a vehicle approaching signal and an electric signal of the power supply rail and controls the on-off of the power supply switch circuit and the safe grounding switch circuit. The contactless electronic switch is adopted to lead the power supply to the power supply rail, the safe negative electrode safe grounding switch circuit is introduced, the power supply safety problem is solved, the power supply rail module can rapidly output the power supply only in a certain distance near the vehicle current collector, the vehicle current collector can continuously receive current, and the power supply rail modules at other positions automatically close the power supply and ensure safe grounding.
In the related art, it is common practice to confirm the approaching state of a vehicle from communication between an in-vehicle communication device and a control beacon arranged in a line, thereby performing control on the vehicle. However, a large number of mobile communication devices exist on the ground or the vehicle, and interference is caused to communication between the vehicle-mounted communication devices and the control beacons, and the interference can cause misoperation of a power supply system, influence normal operation of the vehicle and even endanger personal safety.
Disclosure of Invention
In order to solve the technical problems, the embodiment of the invention provides a vehicle proximity confirmation control method and device for an electric vehicle ground power supply system, which are used for solving the problems in the prior art.
On one hand, in the vehicle proximity confirmation control method of the electric vehicle ground power supply system disclosed by the embodiment of the invention, a magnetic signal covering strip is arranged at the bottom of the vehicle, N magnetic field sensors are sequentially and uniformly arranged on each power supply module on a line along the running direction of the vehicle, N is more than or equal to 2, and the control steps are as follows:
A. When the vehicle is far away from the power supply module, the magnetic signal covering strips are sequentially separated from the magnetic field sensor;
B. When the number S n of the magnetic field sensors for simultaneously measuring the magnetic signals of the vehicle is more than or equal to N, the connection between the power supply module and the safety cathode is disconnected, and after the electric potential of the power supply module is detected to be in a suspended state, the connection between the power supply and the power supply module is connected, wherein N is more than or equal to 1 and less than N;
C. When the number S n < n of the magnetic field sensors for simultaneously measuring the magnetic signals of the vehicle is measured, the connection between the power supply and the power supply module is disconnected, and after the potential of the power supply module is detected to be in a suspended state, the connection between the power supply module and the safety cathode is connected.
Further, a magnetic signal covering strip is arranged at the bottom of the vehicle, N magnetic field sensors are sequentially and evenly arranged on each power supply module on the line along the running direction of the vehicle, the length L MB≥nLS of the magnetic signal covering strip is less than or equal to 2, N is less than or equal to 1, N is less than or equal to N, L S is the distance between adjacent magnetic field sensors, a power switch is connected between a power positive pole and the power supply module, a safety grounding switch is connected between the power supply module and a safety negative pole, the input end of a surface potential detection circuit of the power supply module is connected on the power supply module, and a controller receives the magnetic signals of the vehicle detected by the magnetic field sensors and the output signals of the potential detection circuit and controls the on-off of the power switch and the safety grounding switch.
Further, each of the adjacent power supply modules has m magnetic field sensors arranged at the opposite end positions, n.ltoreq.m < N.
Further, the n=2.
Further, the potential detection circuit PD has resistors R1 and R2 connected in series between the power supply module and the safety cathode, the junction between the resistors R1 and R2 is connected to the controller, the cathode of the diode D1 is connected to the power supply module, the anode is connected to a safety low-voltage dc power supply through the resistor R3, and the junction between the anode of the diode D1 and the resistor R3 is connected to the controller.
On the other hand, the embodiment of the invention also discloses an electric vehicle ground power supply system, which adopts the control method and the devices of claims 2,3, 4 and 5.
The embodiment of the invention also discloses a controller, which comprises:
A processor;
Memory, and
A computer program;
Wherein the computer program is stored in the memory and configured to be executed by the processor, the computer program comprising instructions for the control method of claim 1.
The embodiment of the invention also discloses a computer readable storage medium, which stores a computer program, and the computer program enables a controller to execute the control method.
By adopting the technical scheme, the invention has at least the following beneficial effects:
The vehicle approaching state can be accurately confirmed, the power supply or the connection between the safety negative electrode and the power supply module can be timely and safely switched on or off, and adverse effects of various mobile communication equipment on safe running of the vehicle and safe ground power supply are thoroughly eliminated. The length L MB≥nLS of the magnetic signal covering strip can ensure that the magnetic signal covering strip and the power receiving boots can be covered to a small n adjacent magnetic field sensors when being lowered, so that the power supply module can supply power immediately, and when the value of n is 2 or more, the misoperation caused by the influence of external factors on the magnetic blocks played by children can be further avoided. The adjacent power supply modules are respectively provided with m magnetic field sensors arranged at the end positions of the other side, and when the magnetic signal covering strip advances to the end of the current power supply module, the adjacent power supply modules immediately enter a power supply state in advance, so that reliable guarantee is provided for smooth continuous power supply.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic diagram of a vehicle proximity confirmation control apparatus of an electric vehicle ground power supply system according to an embodiment of the present invention.
Fig. 2 is a flowchart of a vehicle proximity confirmation control method of an electric vehicle ground power supply system according to an embodiment of the present invention.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. All other embodiments, based on the embodiments of the invention, which would be apparent to one of ordinary skill in the art without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1, in the vehicle proximity confirmation control device of the electric vehicle ground power supply system according to the embodiment of the invention, a magnetic signal is arranged at the bottom of a vehicle to cover MB, each power supply module on a line is 3m long, 13 magnetic field sensors MS are sequentially and uniformly arranged along the traveling direction of the vehicle, and 2 magnetic field sensors are respectively arranged at the two ends of each power supply module. The spacing between adjacent magnetic field sensors is L S =33 cm, and the length of the magnetic signal coverage strip is L MB =67 cm.
The power switch PS is connected between the positive electrode of the power supply and the power supply module PM, the safety grounding switch ES is connected between the power supply module PM and the safety negative electrode, the potential detection circuit PD is connected on the power supply module PM, and the controller CONTROL receives the vehicle magnetic signals detected by the magnetic field sensor and the output signals of the potential detection circuit and CONTROLs the on-off of the power switch and the safety grounding switch. The potential detection circuit is characterized in that resistors R1 and R2 are connected in series between a power supply module and a safety cathode, a contact point between the resistors R1 and R2 is connected to a controller, a cathode of a diode D1 is connected to the power supply module, an anode of the diode D1 is connected to a safety low-voltage direct current power supply through a resistor R3, and a contact point between the anode of the diode D1 and the resistor R3 is connected to the controller.
Referring to fig. 2, the vehicle proximity confirmation control method of the electric vehicle ground power supply system according to the embodiment of the invention starts initialization. Entering block 1, a vehicle magnetic signal is detected. And (3) entering a judging box 2, and judging whether the number Sn of the magnetic field sensors for simultaneously measuring the magnetic signals of the vehicle is more than or equal to 2, if yes, entering a box A1, and if not, entering a box B1. At block A1, the safety ground switch is turned off and the power module is no longer connected to the safety cathode. And entering a judging box A2, detecting whether the potential of the power supply module is in a suspended state, namely, whether the potential of a junction of an anode of the diode D1 and the resistor R3 is in a high potential, if so, entering the box A3, switching on a power switch, supplying power to the power supply module by a power supply, and then entering a judging box 4, otherwise, entering the box A5, and alarming to generate faults. In the judging box A4, whether the number Sn of the magnetic field sensors for simultaneously measuring the magnetic signals of the vehicle is more than or equal to 2 is judged, if yes, the in-situ circulation is carried out, and if not, the box B1 is entered. At block B1, the power switch is turned off and the power is no longer connected to the power module. And (3) entering a box B2, detecting whether the potential of the power supply module is in a suspended state, namely, whether the potential of a contact point between the resistors R1 and R2 is in a low potential, if so, entering a box B3, switching on a safety grounding switch to connect the power supply module with a safety cathode, and then entering a judging box B4, otherwise, entering a box B5, and alarming to generate faults. In a judging box B4, whether the number Sn of the magnetic field sensors for simultaneously measuring the magnetic signals of the vehicle is more than or equal to 2 or not is judged, otherwise, the magnetic field sensors are circulated in situ, and if yes, the box A1 is entered.
It will be appreciated by persons skilled in the art that the foregoing discussion of any embodiment is merely exemplary and is not intended to imply that the scope of the disclosure of embodiments of the invention, including the claims, is limited to such examples, that combinations of features of the above embodiments or of different embodiments may be made and that many other variations of the different aspects of the embodiments of the invention described above exist within the spirit of the embodiments of the invention, which are not provided in detail for clarity. Therefore, any omissions, modifications, equivalent substitutions, improvements, and the like, which are made within the spirit and principles of the embodiments of the invention, are included within the scope of the embodiments of the invention.
Claims (7)
1. A vehicle approach confirmation control method of an electric vehicle ground power supply system is characterized in that a magnetic signal covering strip is arranged at the bottom of a vehicle, N magnetic field sensors are sequentially and uniformly arranged on each power supply module on a line along the running direction of the vehicle, N is more than or equal to 2, and the control steps are as follows:
A. When the vehicle is far away from the power supply module, the magnetic signal covering strips are sequentially separated from the magnetic field sensor;
B. When the number S n of the magnetic field sensors for simultaneously measuring the magnetic signals of the vehicle is more than or equal to N, the connection between the power supply module and the safety cathode is disconnected, and after the electric potential of the power supply module is detected to be in a suspended state, the connection between the power supply and the power supply module is connected, wherein N is more than or equal to 1 and less than N;
C. when the number S n < n of the magnetic field sensors for simultaneously measuring the magnetic signals of the vehicle, the connection between the power supply and the power supply module is disconnected, and after the potential of the power supply module is detected to be in a suspended state, the connection between the power supply module and the safety cathode is connected;
the bottom of the vehicle is provided with a magnetic signal covering strip, each power supply module on the line is sequentially and uniformly provided with N magnetic field sensors along the traveling direction of the vehicle, the length L MB≥nLS of the magnetic signal covering strip is less than or equal to 2, wherein N is less than or equal to 1, N is less than or equal to L S, the distance between the adjacent magnetic field sensors is equal to 1, the power switch is connected between the positive electrode of the power supply and the power supply module, the safety grounding switch is connected between the power supply module and the safety negative electrode, the input end of the surface potential detection circuit of the power supply module is connected on the power supply module, and the controller receives the magnetic signals of the vehicle detected by the magnetic field sensors and the output signals of the potential detection circuit and controls the on-off of the power switch and the safety grounding switch.
2. The control method according to claim 1, wherein each of the adjacent power supply modules has m magnetic field sensors arranged at opposite end positions, n.ltoreq.m < N.
3. The control method according to claim 1 or 2, characterized in that n=2.
4. The control method according to claim 1, wherein the potential detecting circuit PD, resistors R1 and R2 are connected in series between the power supply module and the safety cathode, the junction between the resistors R1 and R2 is connected to the controller, the cathode of the diode D1 is connected to the power supply module, the anode is connected to a safety low voltage dc power supply through the resistor R3, and the junction between the anode of the diode D1 and the resistor R3 is connected to the controller.
5. An electric vehicle ground power supply system characterized by employing the control method as claimed in any one of claims 1-4.
6. A controller, characterized by comprising:
A processor;
Memory, and
A computer program;
wherein the computer program is stored in the memory and configured to be executed by the processor, the computer program comprising instructions for the control method according to any one of claims 1-4.
7. A computer-readable storage medium, characterized in that the computer-readable storage medium stores a computer program that causes a controller to execute the control method according to any one of claims 1 to 4.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010704850.5A CN111688545B (en) | 2020-07-21 | 2020-07-21 | An electric vehicle ground control system and vehicle approach control method thereof |
| PCT/CN2020/117516 WO2022016702A1 (en) | 2020-07-21 | 2020-09-24 | Electric vehicle ground control system and vehicle approaching control method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010704850.5A CN111688545B (en) | 2020-07-21 | 2020-07-21 | An electric vehicle ground control system and vehicle approach control method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111688545A CN111688545A (en) | 2020-09-22 |
| CN111688545B true CN111688545B (en) | 2025-03-11 |
Family
ID=72486606
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010704850.5A Active CN111688545B (en) | 2020-07-21 | 2020-07-21 | An electric vehicle ground control system and vehicle approach control method thereof |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN111688545B (en) |
| WO (1) | WO2022016702A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111688545B (en) * | 2020-07-21 | 2025-03-11 | 中车大连机车车辆有限公司 | An electric vehicle ground control system and vehicle approach control method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106364326A (en) * | 2016-08-31 | 2017-02-01 | 袁志敏 | Tram self-adaptive electricity supply system |
| CN213768316U (en) * | 2020-07-21 | 2021-07-23 | 中车大连机车车辆有限公司 | An electric vehicle ground power supply system and vehicle approach confirmation control device |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4061089A (en) * | 1975-09-02 | 1977-12-06 | Elbert Morgan Sawyer | Personal rapid transit system |
| JPH05304702A (en) * | 1992-04-24 | 1993-11-16 | Railway Technical Res Inst | Shorter feeding-section multiplex feeding method |
| FR2791929B1 (en) * | 1999-04-07 | 2004-09-10 | Soc Gle Techniques Etudes | VEHICLE PRESENCE DETECTION DEVICE WITH IMPROVED RELIABILITY |
| CN201357765Y (en) * | 2009-02-26 | 2009-12-09 | 温应群 | Automatic onboard neutral-section passing device of double heat-computer backup |
| CN102271961A (en) * | 2009-11-24 | 2011-12-07 | 北口弘正 | Transport system capable of recharging vehicles while in motion |
| CN207542485U (en) * | 2017-10-17 | 2018-06-26 | 大连中车有轨电车系统有限公司珠海分公司 | The arrangement for resilient contacting of ground power supply system |
| CN207923472U (en) * | 2017-12-29 | 2018-09-28 | 成都森川科技股份有限公司 | A kind of ground sensor magnetic field intensity detection device |
| CN108859873B (en) * | 2018-06-14 | 2022-04-08 | 中车大连机车车辆有限公司 | Safe negative pole one-way conduction device with fault diagnosis function |
| CN111688545B (en) * | 2020-07-21 | 2025-03-11 | 中车大连机车车辆有限公司 | An electric vehicle ground control system and vehicle approach control method thereof |
-
2020
- 2020-07-21 CN CN202010704850.5A patent/CN111688545B/en active Active
- 2020-09-24 WO PCT/CN2020/117516 patent/WO2022016702A1/en active Application Filing
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106364326A (en) * | 2016-08-31 | 2017-02-01 | 袁志敏 | Tram self-adaptive electricity supply system |
| CN213768316U (en) * | 2020-07-21 | 2021-07-23 | 中车大连机车车辆有限公司 | An electric vehicle ground power supply system and vehicle approach confirmation control device |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2022016702A1 (en) | 2022-01-27 |
| CN111688545A (en) | 2020-09-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20130278273A1 (en) | Method and device for detecting short circuit | |
| CN203902307U (en) | Electromobile high-voltage-insulating safety protection system and electromobile with same | |
| JP5369833B2 (en) | Electric vehicle charger and ground fault detection method | |
| CN109228872B (en) | Train power supply system, electric leakage detection positioning device and method thereof, and train | |
| CN103802763A (en) | Direct-current high-voltage large current combination power distribution protection device of armored vehicle | |
| CN109228871B (en) | Train power supply system, leakage detection and recovery device and method thereof, and train | |
| AU2018372887B2 (en) | Multi-source power supply circuit detection method, system, and device | |
| CN106970261A (en) | Earth leakage detecting system for train | |
| CN110488167A (en) | A kind of pure electric automobile Insulation Inspection System and method with contactor adhesion judgement | |
| CN111688545B (en) | An electric vehicle ground control system and vehicle approach control method thereof | |
| CN207481815U (en) | Electric system above and below electric automobile high-voltage | |
| CN109239511B (en) | Train, train power supply system and electric leakage detection positioning device and method thereof | |
| CN213768316U (en) | An electric vehicle ground power supply system and vehicle approach confirmation control device | |
| CN105720641B (en) | Segmented tracks charging system and its control method | |
| EP3034350A1 (en) | Safety method for use in charging electric vehicles | |
| CN203261255U (en) | Traction converter and electric locomotive | |
| CN109245027B (en) | Train, train power supply system and electric leakage detection and recovery device and method thereof | |
| CN105438009B (en) | The floor power supply device and its application method of a kind of trolleybus | |
| CN104578243A (en) | A method for monitoring the DC voltage charge and a battery management system | |
| CN109968980A (en) | A high-voltage interlock detection system | |
| CN109228869B (en) | Train and insulation detection system of train | |
| CN103770650A (en) | Locomotive traction and auxiliary system integrated grounding protection device | |
| CN206254938U (en) | A kind of vehicle gas circuit Intelligent drainage water valve feedback control circuit | |
| CN215116702U (en) | Monopole short-circuit fault monitoring device | |
| CN109239535B (en) | Train and insulation detection system of train |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |