CN112467410B - Grounding device - Google Patents

Grounding device Download PDF

Info

Publication number
CN112467410B
CN112467410B CN202011138923.5A CN202011138923A CN112467410B CN 112467410 B CN112467410 B CN 112467410B CN 202011138923 A CN202011138923 A CN 202011138923A CN 112467410 B CN112467410 B CN 112467410B
Authority
CN
China
Prior art keywords
electroscope
alarm
rod
discharging
clamp
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
Application number
CN202011138923.5A
Other languages
Chinese (zh)
Other versions
CN112467410A (en
Inventor
俞杭科
傅伟
黄建杨
许雷宁
周博
刘康
王浩文
何贝
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
State Grid Zhejiang Zhuji Power Supply Co ltd
State Grid Zhejiang Electric Power Co Ltd
Shaoxing Power Supply Co of State Grid Zhejiang Electric Power Co Ltd
Original Assignee
State Grid Zhejiang Zhuji Power Supply Co ltd
State Grid Zhejiang Electric Power Co Ltd
Shaoxing Power Supply Co of State Grid Zhejiang Electric Power Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by State Grid Zhejiang Zhuji Power Supply Co ltd, State Grid Zhejiang Electric Power Co Ltd, Shaoxing Power Supply Co of State Grid Zhejiang Electric Power Co Ltd filed Critical State Grid Zhejiang Zhuji Power Supply Co ltd
Priority to CN202011138923.5A priority Critical patent/CN112467410B/en
Publication of CN112467410A publication Critical patent/CN112467410A/en
Application granted granted Critical
Publication of CN112467410B publication Critical patent/CN112467410B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/58Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation characterised by the form or material of the contacting members
    • H01R4/64Connections between or with conductive parts having primarily a non-electric function, e.g. frame, casing, rail
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R11/00Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts
    • H01R11/11End pieces or tapping pieces for wires, supported by the wire and for facilitating electrical connection to some other wire, terminal or conductive member
    • H01R11/12End pieces terminating in an eye, hook, or fork
    • H01R11/14End pieces terminating in an eye, hook, or fork the hook being adapted for hanging on overhead or other suspended lines, e.g. hot line clamp
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/66Structural association with built-in electrical component
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/28Clamped connections, spring connections

Landscapes

  • Measurement Of Current Or Voltage (AREA)

Abstract

The invention discloses a grounding device which comprises an insulating operating rod, a power connection wire clamp and a grounding wire clamp, wherein the power connection wire clamp is arranged at the end part of the insulating operating rod and used for clamping a cable, the grounding wire clamp is electrically connected with the power connection wire clamp, an electroscope is arranged at the end part of the insulating operating rod, the power connection wire clamp is detachably connected with the electroscope, a discharging rod is arranged on the outer side of the electroscope, a discharging resistor and a discharging interface used for connecting a grounding wire are arranged in the insulating operating rod, and the discharging resistor and the discharging interface are electrically connected with the electroscope and the discharging rod. The grounding device can detect whether the cable is powered off or not or whether residual charges exist on the cable or not through the electroscope, and then discharges the residual charges on the cable through the discharging rod, so that sparks generated when the power connection wire is clamped on the cable due to the residual charges on the cable are prevented, the installation performance in the operation process is improved, and workers are protected from being injured.

Description

Grounding device
Technical Field
The invention belongs to the field of power equipment, and particularly relates to a grounding device.
Background
At present, before the cable line is overhauled, when electrical equipment and a power line are overhauled due to power failure, in order to ensure the safety of operating personnel, a grounding device is connected to the cable line with all power failure or part power failure, so that the cable is grounded, the working place is protected by a low potential, dangerous voltage and electric arc generated by accidental power failure are prevented, and the working personnel are protected from electric shock injury. However, when the grounding device is attached, residual charges and induced charges on the cable tend to cause sparks between the grounding device and the cable, which is dangerous and difficult to handle.
Disclosure of Invention
The present invention provides a grounding device to solve at least one of the above problems.
In order to solve the technical problems, the invention adopts the following technical scheme: the utility model provides a grounding device, including insulating operation stick, locate insulating operation stick tip in order to be used for pressing from both sides tight cable connect the electric wire clamp and be used for the grounding wire clamp of ground connection, the grounding wire clamp is connected with connecting the electric wire clamp electricity, insulating operation stick's tip is equipped with electroscope, connect the electric wire clamp and can dismantle with the electroscope and be connected, the outside of electroscope is equipped with the discharging rod, be equipped with discharge resistance in the insulating operation stick and be used for connecting earth conductor's the interface that discharges, discharge resistance and the interface that discharges are connected with electroscope and discharging rod electricity, the bottom of electroscope is equipped with the mounting groove, the tip and the mounting groove of insulating operation stick are pegged graft.
In the grounding device, an alarm electrically connected with the discharge rod is further arranged in the insulating operation rod, and the alarm gives an alarm in the discharge process of the discharge rod.
In the grounding device, the alarm comprises an alarm indicating lamp and a buzzing module, wherein the alarm indicating lamp and the buzzing module penetrate through the outer wall of the insulating operation rod, and when the alarm gives an alarm, the buzzing module gives out buzzing and the alarm indicating lamp gives out light.
In the grounding device, the alarm further comprises a detection button for detecting whether the alarm indicator lamp and the buzzer module work normally, and the detection button protrudes out of the outer surface of the insulating operation rod.
In above-mentioned earthing device, electroscope includes the body and tests the electric head, is equipped with the holding tank that is used for connecting the screw hole that connects the electric wire clamp and is located the screw hole lower part on the body, tests the electric head and rotates to connect in the holding tank, tests the electric head and passes through the rotation in order to stretch out or withdrawal the holding tank to make electroscope switch between electroscope state and off-state, when electroscope is in off-state, connect the electric wire clamp to install on the screw hole.
In the grounding device, the discharging rod is hinged on the outer side wall of the electroscope body.
In the grounding device, two discharging rods are arranged and are symmetrically arranged on two sides of the electroscope.
The invention has the beneficial effects that:
the grounding device can detect whether the cable is powered off or not or whether residual charges exist on the cable or not through the electroscope, and then discharges the residual charges on the cable through the discharging rod, so that sparks generated when the power connection wire is clamped on the cable due to the residual charges on the cable are prevented, the installation performance in the operation process is improved, and workers are protected from being injured.
The features and advantages of the present invention will be disclosed in more detail in the following detailed description and the accompanying drawings.
Drawings
The invention is further described with reference to the accompanying drawings and the detailed description below:
FIG. 1 is a schematic view of a grounding device with an electroscope in an electroscopic state;
fig. 2 is a schematic diagram of the grounding device when the electroscope is in a shutdown state.
Reference numerals:
1. an insulating operating rod; 2. connecting a wire clamp; 3. a ground clamp; 4. an electroscope; 41. a body; 411. accommodating grooves; 412. a threaded hole; 42. an electroscopy head; 5. a discharge rod; 6. an alarm; 61. a buzzer module; 62. an alarm indicator light; 63. a detection button; 7. a discharge resistor; 8. and (6) discharging the interface.
Detailed Description
The grounding device comprises an insulating operating rod, a power connection wire clamp and a grounding wire clamp, wherein the power connection wire clamp is arranged at the end part of the insulating operating rod and used for clamping a cable, the grounding wire clamp is used for grounding, the grounding wire clamp is electrically connected with the power connection wire clamp, an electroscope is arranged at the end part of the insulating operating rod, the power connection wire clamp is detachably connected with the electroscope, a discharging rod is arranged on the outer side of the electroscope, a discharging resistor and a discharging interface used for connecting a grounding wire are arranged in the insulating operating rod, and the discharging resistor and the discharging interface are electrically connected with the electroscope and the discharging rod. The grounding device can detect whether the cable is powered off or not or whether residual charges exist on the cable or not through the electroscope, and then discharges the residual charges on the cable through the discharging rod, so that sparks generated when the power connection wire is clamped on the cable due to the residual charges on the cable are prevented, the installation performance in the operation process is improved, and workers are protected from being injured.
The technical solutions of the embodiments of the present invention are explained and illustrated below with reference to the drawings of the embodiments of the present invention, but the following embodiments are only preferred embodiments of the present invention, and not all embodiments. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative effort belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, unless otherwise specified, "a plurality" means two or more unless explicitly defined otherwise.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
The first embodiment is as follows:
the utility model provides a grounding device, as shown in fig. 1-2, including insulating operation stick 1, locate insulating operation stick 1 tip in order to be used for pressing from both sides the cable connect electric clamp 2 and be used for grounded ground clamp 3, ground clamp 3 connects electric clamp 2 electricity to be connected, the tip of insulating operation stick 1 is equipped with electroscope 4, connect electric clamp 2 and electroscope 4 to dismantle and be connected, the outside of electroscope 4 is equipped with discharge rod 5, be equipped with discharge resistor 7 in the insulating operation stick 1 and be used for connecting earth conductor's discharge interface 8, discharge resistor 7 and discharge interface 8 are connected with electroscope 4 and discharge rod 5 electricity. The grounding device can detect whether the cable is powered off or not or whether residual charges exist on the cable or not through the electroscope 4, and then discharges the residual charges on the cable through the discharging rod 5, so that the phenomenon that the connecting wire clamp 2 generates sparks when being installed on the cable due to the residual charges on the cable is prevented, the installation performance in the operation process is improved, and workers are protected from being injured.
Electroscope 4 in this embodiment includes body 41 and electroscope head 42, is equipped with the screw hole 412 that is used for connecting to connect wire clamp 2 on the body 41 and is located the holding tank 411 of screw hole 412 lower part, and electroscope head 42 rotates and connects in holding tank 411, and electroscope head 42 is through rotating in order stretching out or retracting holding tank 411 to make electroscope 4 switch between electroscope state and off-state, and when electroscope 4 was in off-state, connect wire clamp 2 and install on screw hole 412. The discharging rod 5 is hinged on the outer side wall of the body 41 of the electroscope 4. The number of the discharging rods 5 in the embodiment is two, and the two discharging rods 5 are symmetrically arranged on two sides of the electroscope 4.
In the embodiment, an alarm 6 electrically connected with the discharging rod 5 is further arranged in the insulating operation rod 1, and the alarm 6 can give an alarm in the discharging process of the discharging rod 5. The alarm 6 comprises an alarm indicating lamp 62 and a buzzer module 61 which penetrate through the outer wall of the insulating operation rod 1, and when the alarm 6 gives an alarm, the buzzer module 61 gives out buzzing and the alarm indicating lamp 62 gives out light. The alarm 6 in this embodiment further includes a detection button 63 for detecting whether the alarm indicator 62 and the buzzer module 61 work normally, the detection button 63 protrudes out of the outer surface of the insulating operation rod 1, and a worker can press the detection button 63 to detect whether the alarm indicator 62 and the buzzer module 61 work normally, so as to prevent the alarm 6 from being incapable of prompting the discharging process and causing the worker to get an electric shock.
Electroscope 4 in this embodiment can dismantle with insulating operation stick 1 and be connected, is equipped with the mounting groove in electroscope 4's bottom, and the tip and the mounting groove of insulating operation stick 1 are pegged graft. When many cables need ground connection, accomplish hanging of a connecing wire clamp 2 and establish the back, can pull out insulating bar 1 from connecing wire clamp 2 to install another electroscope 4 and connect wire clamp 2 in order to carry out the electricity test, discharge and the ground connection operation of next cable on insulating bar 1, the staff only need carry insulating bar 1 can realize the ground connection operation of many cables, and is more convenient.
The operation flow and the working principle of the grounding device are as follows;
1. before carrying out ground connection operation to the cable, electroscope 4 is installed at the tip of insulating operation stick 1, connects on the cable clamp 2 does not install electroscope 4, rotates the electricity testing head 42 in the holding tank 411 earlier for the tip of electricity testing head 42 passes screw hole 412 and stretches out electroscope 4, and insulating operation stick 1 is handed to the staff, makes the electricity testing head 42 of electroscope 4 be close to in order to test the electricity to the cable. After the electricity testing is finished, the worker rotates the electricity testing head 42 to hide the electricity testing head 42 in the mounting groove, so that the electricity testing head 42 is protected, and meanwhile, the electricity testing head 42 is prevented from interfering the installation of a subsequent wire connecting clamp 2.
2. Connect earth conductor's one end ground connection earlier, the other end is on discharging interface 8, then rotate the discharging rod 5 of laminating at 1 lateral part of insulating operation stick for form the contained angle between discharging rod 5 and the insulating operation stick 1, then articulate earthing device on the cable through the contained angle that forms between discharging rod 5 and the insulating operation stick 1, discharging rod 5, electroscope 4, alarm 6 and discharging resistor 7 form the return circuit that discharges through earth conductor, the surplus electric charge on the cable slowly discharges through discharging rod 5 and discharging resistor 7.
3. In the process of discharging, there is electric charge to pass through in the return circuit of discharging, alarm 6 sends out the police dispatch newspaper, and buzzer buzzes simultaneously alarm indicator 62 and lasts luminous promptly, and the suggestion staff cable is in the process of discharging simultaneously in sense of hearing and vision, after discharging, no longer has electric charge to pass through in the return circuit of discharging, and alarm 6 no longer sends the police dispatch newspaper this moment, and the staff can take off earthing device from the cable, then with earth conductor and the separation of interface 8 that discharges.
4. The staff will connect the electric clamp 2 to install on electroscope 4 through screw hole 412, then will connect the ground clamp 3 ground connection that the electric clamp 2 links to each other, handheld insulating bar 1 will connect the electric clamp of the line to hang and establish on the cable, can realize the ground connection of cable.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.

Claims (6)

1. The utility model provides a grounding device, includes insulating operation stick, locates insulating operation stick tip in order to be used for the cable clamp that connects the electric clamp and be used for the ground connection's ground clamp, the ground clamp with connect the electric connection of electric clamp, its characterized in that: an electroscope is arranged at the end part of the insulating operating rod, the wire connecting clamp is detachably connected with the electroscope, a discharge rod is arranged on the outer side of the electroscope, a discharge resistor and a discharge interface for connecting a grounding wire are arranged in the insulating operation rod, the discharge resistor and the discharge interface are electrically connected with the electroscope and the discharge rod, the bottom of the electroscope is provided with a mounting groove, the end part of the insulating operating rod is inserted into the mounting groove, the electroscope comprises a body and an electroscope head, the body is provided with a threaded hole for connecting a wire connecting clamp and an accommodating groove positioned at the lower part of the threaded hole, the electricity testing head is rotationally connected in the accommodating groove and can extend out of or retract into the accommodating groove through rotation, so that electroscope switches between electroscope and the off-state, when electroscope is in the off-state, connect the electric wire clamp and install on the screw hole.
2. A grounding device as in claim 1, further comprising: an alarm electrically connected with the discharging rod is further arranged in the insulating operation rod, and the alarm gives an alarm in the discharging process of the discharging rod.
3. A grounding device as claimed in claim 2, characterized in that: the alarm comprises an alarm indicating lamp and a buzzing module, wherein the alarm indicating lamp penetrates through the outer wall of the insulating operation rod, and when the alarm gives an alarm, the buzzing module gives buzzing and the alarm indicating lamp gives out light.
4. A grounding device as claimed in claim 3, characterized in that: the alarm further comprises a detection button used for detecting whether the alarm indicator lamp and the buzzing module work normally or not, and the detection button protrudes out of the outer surface of the insulating operation rod.
5. A grounding device as in claim 1, further comprising: the discharging rod is hinged to the outer side wall of the electroscope body.
6. An earthing device according to claim 5, characterized in that: the discharge rods are arranged in two numbers, and the two discharge rods are symmetrically arranged on two sides of the electroscope.
CN202011138923.5A 2020-10-22 2020-10-22 Grounding device Active CN112467410B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011138923.5A CN112467410B (en) 2020-10-22 2020-10-22 Grounding device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011138923.5A CN112467410B (en) 2020-10-22 2020-10-22 Grounding device

Publications (2)

Publication Number Publication Date
CN112467410A CN112467410A (en) 2021-03-09
CN112467410B true CN112467410B (en) 2022-05-03

Family

ID=74833268

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202011138923.5A Active CN112467410B (en) 2020-10-22 2020-10-22 Grounding device

Country Status (1)

Country Link
CN (1) CN112467410B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113658765A (en) * 2021-06-29 2021-11-16 贵州电网有限责任公司 Ground clamp insulating rod with electricity testing early warning function and insulating clamp

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108808556A (en) * 2018-08-09 2018-11-13 云南电网有限责任公司电力科学研究院 A kind of electrical verification for power distribution line maintenance is grounded integrated apparatus

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202034506U (en) * 2011-03-21 2011-11-09 四川省电力公司攀枝花电业局 Lead hanging hook of earth wire
CN104538757A (en) * 2015-01-12 2015-04-22 国网福建南安市供电有限公司 Integrated discharging rod of capacitor
CN104966915A (en) * 2015-06-16 2015-10-07 贵阳供电局 Elbow type head ground wire hanging apparatus
CN205141183U (en) * 2015-10-30 2016-04-06 国网山东定陶县供电公司 Personally line of ensuring safety with electroscopic function

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108808556A (en) * 2018-08-09 2018-11-13 云南电网有限责任公司电力科学研究院 A kind of electrical verification for power distribution line maintenance is grounded integrated apparatus

Also Published As

Publication number Publication date
CN112467410A (en) 2021-03-09

Similar Documents

Publication Publication Date Title
CN206638776U (en) Zero resistance insulator detects instrument
CN112467410B (en) Grounding device
CN112003038A (en) Capacitor discharging device and discharging method thereof
CN208738457U (en) A kind of portable earthing or grounding means of electric power first-aid test
CN205484658U (en) Insulating boot and insulating gloves's pressure resistance test installation
CN112736505A (en) Grounding device with contact resistance detection function
CN111983395A (en) Electrical high-voltage test ground wire on-off detection device
CN207551039U (en) A kind of electrolyte bucket static eraser
CN209055587U (en) Universal electroscope
CN210515592U (en) Electrical fire detection device
CN208608417U (en) A kind of novel cable plug is extracted and insertion safety device
CN209264814U (en) It is a kind of electrically to use safety detection device
CN113421800A (en) Intelligent circuit breaker convenient to be connected with connected short circuiter
CN218498398U (en) Visual discharging rod
CN220323510U (en) Fill electric pile maintainer with safety device
CN109030921A (en) Universal electroscope
CN218546973U (en) Grounding inspection alarm device
CN216013481U (en) Mining sparkless type electricity testing and discharging integrated device
CN209183792U (en) A kind of luminous ground line of alarming in short range of electric power type
CN111244812A (en) Portable grounding device for insulating overhead ground wire
CN220105191U (en) On-off protective device
CN219018140U (en) Electrical control cabinet convenient to repair and maintain
CN112448190B (en) High-voltage discharging rod with acousto-optic electroscope
CN216351026U (en) Improved device for microgrid voltage risk assessment
CN221351520U (en) Detection device of aluminum electrolytic capacitor

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