CN111097145A - Electric power meter reading device - Google Patents

Electric power meter reading device Download PDF

Info

Publication number
CN111097145A
CN111097145A CN202010055967.5A CN202010055967A CN111097145A CN 111097145 A CN111097145 A CN 111097145A CN 202010055967 A CN202010055967 A CN 202010055967A CN 111097145 A CN111097145 A CN 111097145A
Authority
CN
China
Prior art keywords
rotor
semi
meter reading
sliding block
shell
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.)
Granted
Application number
CN202010055967.5A
Other languages
Chinese (zh)
Other versions
CN111097145B (en
Inventor
陈建国
李赟
代传垒
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.)
Zhengzhou University of Science and Technology
Original Assignee
Zhengzhou University of Science and Technology
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 Zhengzhou University of Science and Technology filed Critical Zhengzhou University of Science and Technology
Priority to CN202010055967.5A priority Critical patent/CN111097145B/en
Publication of CN111097145A publication Critical patent/CN111097145A/en
Application granted granted Critical
Publication of CN111097145B publication Critical patent/CN111097145B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • AHUMAN NECESSITIES
    • A63SPORTS; GAMES; AMUSEMENTS
    • A63BAPPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B27/00Apparatus for climbing poles, trees, or the like
    • A63B27/02Climbing devices for round poles or trees attachable to the feet
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00Details of television systems
    • H04N5/30Transforming light or analogous information into electric information
    • H04N5/33Transforming infrared radiation
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00Television systems
    • H04N7/18Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
    • H04N7/183Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast for receiving images from a single remote source

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)

Abstract

The invention relates to an electric meter reading device, which comprises a climbing device and a data acquisition device, wherein the climbing device is a cylindrical shell formed by hinging two semi-cylindrical shells, a semi-cylindrical rotor which coaxially rotates with the shells is arranged on the shells, at least one sliding block which radially slides is arranged on the rotor, and the sliding block is connected with the rotor through a spring; the centripetal end surface of the sliding block is provided with a sinking groove which is obliquely arranged, the sliding block is provided with a rotatable roller which is arranged in the sinking groove, and the rotation axis of the roller is vertical to the oblique direction of the sinking groove; the shell is provided with a semi-annular gear coaxially connected with the rotor, and any one shell is provided with a motor which is in transmission connection with the corresponding semi-annular gear; the data acquisition device is arranged on any shell; the invention can realize automatic pole climbing and rapid data acquisition, improves the meter reading efficiency, can match telegraph poles with different thicknesses and radius changes of the telegraph poles caused by self conicity, and has good universality and wide applicability.

Description

Electric power meter reading device
Technical Field
The invention relates to an electric power device, in particular to an electric power meter reading device.
Background
The urban electricity utilization is gradually popularized to intellectualization, and an electric power company can monitor the electricity utilization condition of residents in real time through technologies such as big data and the like and provide a payment mode of mobile payment, so that the electricity utilization requirements of people are greatly facilitated; however, in some urban areas, due to the restriction of external conditions, the intelligent electricity utilization mode is not widely accepted at present, electricity utilization statistics is still required to be carried out by electricity personnel by reading the electricity one by one, the infrastructure in the areas is poor, the improvement of electricity meters in one house is not carried out, and the mode that the electricity meters are hung on the telegraph poles is still commonly adopted, so that the telegraph poles need to be climbed when the electricity personnel carry out the meter reading, the physical consumption of the electricity personnel is extremely large, the electric shock danger is easily caused, and the safety of the electricity personnel is threatened.
To this situation, there are some supplementary device of checking meter that alleviate electric power personnel's work burden in prior art, but what all adopt usually in this kind of device is from rapping bar principle, need handheld telescopic link to remove data acquisition instrument before the ammeter during the use, though avoided pole climbing operation, nevertheless because a plurality of ammeters of general meeting hanging on the same wire pole, so need handheld device to carry out continuous operation, obviously can consume a large amount of physical power, especially when having met strong wind weather, it is difficult to be at the sampling position with equipment steadily motionless for the operation of checking meter is difficult to carry out.
Disclosure of Invention
In order to overcome the technical defects in the prior art, the invention provides the electric power meter reading device, which aims to solve the problems that in the prior art, physical power consumption of electric power personnel is large and weather influence is large.
The technical scheme for solving the problem is as follows: the climbing device is a cylindrical shell formed by hinging two semi-cylindrical shells, one ends of the two semi-cylindrical shells are hinged to form an openable structure, the other ends of the two semi-cylindrical shells are connected through a pin, a semi-cylindrical rotor which coaxially rotates with the shells is arranged on the shells, at least one sliding block which slides in the radial direction is arranged on the rotor, and the sliding block is connected with the rotor through a spring to enable the sliding block to slide centripetally through the elasticity of the spring; the centripetal end surface of the sliding block is provided with a sinking groove which is obliquely arranged on a section vertical to the sliding direction of the sliding block, the sliding block is provided with a rotatable roller arranged in the sinking groove, and the rotating axis of the roller is vertical to the oblique direction of the sinking groove on the section vertical to the sliding direction of the sliding block; the shell is provided with a semi-annular gear coaxially connected with the rotor, two semi-annular gears corresponding to the two shells form a complete straight toothed cylindrical gear, and a motor is arranged on any one shell and is in transmission connection with the corresponding semi-annular gear through a reduction gear; the data acquisition device is arranged on any shell.
According to the invention, the spiral lifting force generated when the inclined roller rotates is utilized to realize automatic pole climbing of the climbing device, and after the climbing device rises to a preset height, the data acquisition device is used for rapidly acquiring the electricity utilization data, so that the meter reading efficiency is improved, a large amount of manpower and time are saved, and the safety risk of electric power personnel is reduced; the invention is not affected by strong wind weather during working, and the data acquisition equipment is stably lifted or is static, thereby ensuring the accuracy and the real-time performance of data acquisition; meanwhile, the axial inclination of the roller and the pushing action of the spring can ensure that the stable friction force is always kept between the roller and the telegraph pole, and the accidental slipping of the climbing device is effectively avoided; in addition, the sliding blocks are matched with the springs, so that the climbing device not only can be matched with telegraph poles with different thicknesses, but also can be matched with radius changes of the telegraph poles in real time due to self conicity in the climbing process, and the climbing device has good universality and wide applicability.
Drawings
Fig. 1 is a front view of the present invention.
Fig. 2 is a cross-sectional view of the present invention.
Fig. 3 is a top view of the present invention.
Fig. 4 is a sectional view taken along line a-a of fig. 3 in accordance with the present invention.
Fig. 5 is an isometric view of the present invention.
Fig. 6 is an axial cross-sectional view of the present invention.
Fig. 7 is a front view of the housing of the present invention when opened.
Fig. 8 is a top view of the housing of the present invention when open.
Fig. 9 is a perspective view of the case of the present invention when opened.
Detailed Description
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.
As shown in fig. 1 to 9, the climbing device comprises a climbing device and a data acquisition device, wherein the climbing device is a cylindrical shell formed by hinging two semi-cylindrical shells 1, one ends of the two semi-cylindrical shells 1 are hinged to form an openable structure, the other ends of the two semi-cylindrical shells 1 are connected through a pin bolt 10, a semi-cylindrical rotor 2 which coaxially rotates with the shells 1 is arranged on the shells 1, at least one sliding block 3 which radially slides is arranged on the rotor 2, and the sliding block 3 is connected with the rotor 2 through a spring 4 to ensure that the sliding block 3 centripetally slides through the elasticity of the spring 4; a centripetal end face of the sliding block 3 is provided with a sunken groove 5 which is obliquely arranged on a section vertical to the sliding direction of the sliding block 3, the sliding block 3 is provided with a rotatable roller 6 arranged in the sunken groove 5, and the rotating axis of the roller 6 is vertical to the oblique direction of the sunken groove 5 on the section vertical to the sliding direction of the sliding block 3; the shell 1 is provided with a semi-annular gear 7 coaxially connected with the rotor 2, two semi-annular gears 7 corresponding to the two shells 1 form a complete straight toothed cylindrical gear, a motor 8 is arranged on any one shell 1, and the motor 8 is in transmission connection with the corresponding semi-annular gear 7 through a reduction gear 9; the data acquisition device is arranged on any one of the shells 1.
When the telegraph pole is used, the pin bolt 10 is pulled out, the two shells 1 are opened, the telegraph pole is surrounded by the opened two shells 1, then the two shells 1 are closed again, and the pin bolt 10 is inserted to enable the two shells 1 to form a complete cylindrical shell; because the spring 4 generates centripetal thrust to the slide block 3, when the two shells 1 are closed, the centripetal thrust of the slide block 3 causes the roller 6 to be pressed on the outer edge surface of the telegraph pole, meanwhile, the two rotors 2 form a complete cylindrical rotating body, the two semi-ring gears 7 form a complete straight toothed spur gear, and at the moment, the motor 8 is started to cause the straight toothed spur gear to rotate, so that the cylindrical rotating body synchronously rotates along with the straight toothed spur gear and drives the roller 6 to roll on the surface of the telegraph pole; because the rotating axis of the roller 6 and the axis of the telegraph pole form an offset included angle, the roller 6 generates an upward component force when rolling, the component force is substantially equal to a spiral lifting force, and the climbing device can integrally move upwards to realize climbing action; after climbing to a preset position, the data acquisition device is started to record and collect the data of the electric meter.
In the climbing process, as the sliding block 3 is always subjected to the elasticity of the spring 4, the relatively stable contact pressure is kept between the roller 6 and the telegraph pole, so that the friction force between the roller 6 and the telegraph pole is effectively ensured, and the climbing device is prevented from accidentally slipping off; meanwhile, due to the elastic force of the spring 4, the slide block 3 can adjust the position thereof in real time according to the diameter change of the wire pole in the climbing process so as to ensure the reliable contact of the roller 6 and the wire pole; therefore, the climbing device is not influenced by the thickness of the telegraph pole, can be actively adapted to telegraph poles with different diameters and different tapers, and has wide universality and practicability.
Furthermore, the shell 1 is provided with at least one vertical rod 11 arranged above the shell 1, the lower end of the vertical rod 11 is connected with the shell 1, the upper end of the vertical rod 11 is hinged with a connecting rod 12 which is radially arranged along the axis of the shell 1, the middle part of the connecting rod 12 is hinged with the vertical rod 11, the centripetal end of the connecting rod 12 is provided with a guide wheel 13, the axis of the guide wheel 13 is parallel to the hinged axis of the vertical rod 11 and the connecting rod 12, the other end of the connecting rod 12 is connected with the shell 1 through a pressure spring 14, and the connecting rod 12 rotates downwards in centripetal end under the action of the elastic force of the pressure spring 14; during the use, upwards stimulate the centripetal end of connecting rod 12 and then with cylindrical shell cover on the wire pole, then leading wheel 13 is in contact with the wire pole extrusion under the spring action of pressure spring 14, provides the frictional force of resisting cylindrical rotator rotation moment of torsion for cylindrical shell, makes cylindrical shell produce stable axial displacement, realizes the direction effect, avoids the irregular rotation of cylindrical shell to influence climbing speed and influence data acquisition's accuracy.
Furthermore, the shell 1 is provided with semi-circular tracks 15 coaxially arranged above the shell 1, a track vehicle 16 is arranged on any one semi-circular track 15, and the data acquisition device is arranged on the track vehicle 16; after the climbing device reaches a preset position, the rail car 16 is started to drive the data acquisition device to do circular motion on the two semi-annular rails 15, 360-degree dead-angle-free monitoring and sampling are realized, the device is suitable for different ammeter installation positions, and the data acquisition efficiency is greatly improved; in this configuration, it is ensured that the hinge portions of the two housings 1 are disposed on the outer periphery of the semi-circular rail 15, so as to prevent the two housings 1 from being opened and closed.
Furthermore, any one of the shells 1 is provided with a driving device corresponding to the connecting rod 12 and used for driving the connecting rod 12 to rotate upwards towards the centripetal end so as to separate from the telegraph pole, and the sliding block 3 is provided with a braking device corresponding to the roller 6; when the driving device and the brake device are closed and the motor 8 is started, the connecting rod 12 presses the guide wheel 13 on the telegraph pole to implement a guide effect under the action of the elastic force of the pressure spring 14, namely the shell 1 can only lift along the axial direction of the telegraph pole and cannot rotate relative to the telegraph pole, and at the moment, the roller 6 rolls on the telegraph pole along with the rotation of the rotor 2 to apply a spiral lifting force, so that the climbing action is realized; when the driving device, the braking device and the motor 8 are started simultaneously, the connecting rod 12 drives the guide wheel 13 to be separated from the telegraph pole under the driving of the driving device, meanwhile, the roller 6 is locked by the braking device and cannot roll, the rotor 2 cannot rotate, and the shell 1 is in a rotatable state at the moment, so that the motor 8 drives the shell 1 to rotate circumferentially on the rotor 2, and 360-degree dead-angle-free monitoring and sampling of the data acquisition device are realized.
Furthermore, the data acquisition device is the infrared camera 17, the data can be more real and visual by utilizing the infrared camera 17 to shoot and record in real time, the problem can be conveniently found by power personnel in time, meanwhile, the infrared camera 17 can utilize infrared imaging to acquire the data under weak light, and the meter reading operation is free from the influence of weather, environment and time.
Furthermore, the invention also comprises a pin 18, wherein the shell 1 is provided with a vertical through hole 19 arranged above the rotor 2, the rotor 2 is provided with a blind hole 20 coaxially corresponding to the vertical through hole 19, and the lower end of the pin 18 penetrates through the vertical through hole 19 and is arranged in the blind hole 20; before the climbing device enters a working state, the pin 18 is pulled out to enable the rotor 2 to normally rotate, when the climbing device finishes working and returns to the ground, the pin 18 is placed in the vertical through hole 19 to enable the rotor 2 to slowly rotate, and when the blind hole 20 rotates along with the rotor 2 to be coaxially corresponding to the vertical through hole 19, the pin 18 falls into the blind hole 20 to fix the rotor 2; the pin 18 locks the housing 1 and the rotor 2, so that the rotor 2 can be prevented from accidentally sliding off when the two housings 1 are opened and closed, and the rotor 2 can return to the initial position when the work is finished, so that the two housings 1 can be opened again to smoothly take off the climbing device.
Further, the outer edge surface of the roller 6 is provided with anti-slip threads 21 for improving the contact friction force between the roller 6 and the telegraph pole, and further preventing the roller 6 from slipping to cause the climbing device to slip accidentally.
The automatic pole climbing device realizes automatic pole climbing by utilizing the spiral lifting force generated when the inclined roller rotates, after the climbing device rises to a preset height, the data acquisition device carries out rapid acquisition of electricity utilization data, and the 360-degree dead-angle-free monitoring of the data acquisition device can be realized by combining the annular track or the brake device additionally arranged at the roller, so that the electricity utilization data of all electric meters on the same telegraph pole can be obtained at one time, the meter reading efficiency is improved, and a large amount of manpower and time are saved.
When the intelligent telegraph pole is in work, the intelligent telegraph pole is surrounded on the telegraph pole, and the data acquisition equipment cannot be seriously shaken due to the influence of weather such as strong wind and the like, so that the accuracy and the real-time performance of data acquisition are ensured; meanwhile, the axial inclination of the roller and the pushing action of the spring can ensure that the stable friction force is always kept between the roller and the telegraph pole, and the accidental slipping of the climbing device is effectively avoided; compared with the prior art, the sliding down device disclosed by the invention can vertically slide down along the telegraph pole even if accidentally sliding down, and cannot topple in other directions, so that the safety of ground personnel is greatly guaranteed.
In addition, due to the matching of the sliding block and the spring, the climbing device can be matched with telegraph poles with different thicknesses and can also be matched with radius changes of the telegraph poles in real time due to self conicity in the climbing process, so that the climbing device always holds the telegraph poles tightly, the continuity and the stability of the climbing process are guaranteed, and the climbing device has good universality and wide applicability.

Claims (7)

1. The electric power meter reading device comprises a climbing device and a data acquisition device, and is characterized in that the climbing device is a cylindrical shell formed by hinging two semi-cylindrical shells (1), a semi-cylindrical rotor (2) which coaxially rotates with the shells (1) is arranged on the shells (1), at least one sliding block (3) which radially slides is arranged on the rotor (2), and the sliding block (3) is connected with the rotor (2) through a spring (4); a centripetal end face of the sliding block (3) is provided with a sunk groove (5) which is obliquely arranged, the sliding block (3) is provided with a rotatable roller (6) which is arranged in the sunk groove (5), and the rotating axis of the roller (6) is vertical to the oblique direction of the sunk groove (5); the shell (1) is provided with a semi-annular gear (7) coaxially connected with the rotor (2), any one shell (1) is provided with a motor (8), and the motor (8) is in transmission connection with the corresponding semi-annular gear (7); the data acquisition device is arranged on any shell (1).
2. The electric meter reading device according to claim 1, wherein a vertical rod (11) is arranged on the housing (1), the lower end of the vertical rod (11) is connected with the housing (1), the upper end of the vertical rod (11) is hinged with a radially arranged connecting rod (12), the middle part of the connecting rod (12) is hinged with the vertical rod (11), a guide wheel (13) is arranged at the centripetal end of the connecting rod (12), the other end of the connecting rod (12) is connected with the housing (1) through a pressure spring (14), and the connecting rod (12) rotates towards the downward centripetal end under the action of the elastic force of the pressure spring (14).
3. An electric meter reading device according to claim 2, wherein the housing (1) is provided with semi-circular tracks (15) coaxially arranged above the housing (1), a railcar (16) is arranged on any one of the semi-circular tracks (15), and the data acquisition device is arranged on the railcar (16).
4. An electric meter reading device according to claim 2, wherein any one of the housings (1) is provided with a driving device corresponding to the connecting rod (12) for driving the connecting rod (12) to rotate with the centripetal end upward, and the slide block (3) is provided with a braking device corresponding to the roller (6).
5. An electrical meter reading device according to claim 1, wherein the data acquisition device is an infrared camera (17).
6. The electric meter reading device according to claim 1, further comprising a pin (18), wherein the housing (1) is provided with a vertical through hole (19) disposed above the rotor (2), the rotor (2) is provided with a blind hole (20) coaxially corresponding to the vertical through hole (19), and the lower end of the pin (18) penetrates through the vertical through hole (19) and is disposed in the blind hole (20).
7. An electric power meter reading device according to claim 1, wherein the outer edge surface of the roller (6) is provided with anti-slip threads (21).
CN202010055967.5A 2020-01-18 2020-01-18 Electric power meter reading device Active CN111097145B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010055967.5A CN111097145B (en) 2020-01-18 2020-01-18 Electric power meter reading device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010055967.5A CN111097145B (en) 2020-01-18 2020-01-18 Electric power meter reading device

Publications (2)

Publication Number Publication Date
CN111097145A true CN111097145A (en) 2020-05-05
CN111097145B CN111097145B (en) 2021-04-27

Family

ID=70427372

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010055967.5A Active CN111097145B (en) 2020-01-18 2020-01-18 Electric power meter reading device

Country Status (1)

Country Link
CN (1) CN111097145B (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112090042A (en) * 2020-08-20 2020-12-18 沈荣芳 Safe type pole frame lifts formula power equipment installation maintenance of equipment
CN113715930A (en) * 2021-09-22 2021-11-30 杭州电子科技大学 Obstacle-crossing robot for climbing outer wall of rod body and climbing method thereof

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5451135A (en) * 1993-04-02 1995-09-19 Carnegie Mellon University Collapsible mobile vehicle
CN104674655A (en) * 2015-02-27 2015-06-03 西南交通大学 Cable climbing robot
CN205428184U (en) * 2016-03-24 2016-08-03 王凡林 Be convenient for inspect system of checking meter of usefulness based on thing networking
CN208198630U (en) * 2018-04-21 2018-12-07 湖北职业技术学院 A kind of spiral lifting climbing device
CN109954252A (en) * 2019-04-08 2019-07-02 湖州慧能机电科技有限公司 A kind of safe and efficient wire pole climbing tool

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5451135A (en) * 1993-04-02 1995-09-19 Carnegie Mellon University Collapsible mobile vehicle
CN104674655A (en) * 2015-02-27 2015-06-03 西南交通大学 Cable climbing robot
CN205428184U (en) * 2016-03-24 2016-08-03 王凡林 Be convenient for inspect system of checking meter of usefulness based on thing networking
CN208198630U (en) * 2018-04-21 2018-12-07 湖北职业技术学院 A kind of spiral lifting climbing device
CN109954252A (en) * 2019-04-08 2019-07-02 湖州慧能机电科技有限公司 A kind of safe and efficient wire pole climbing tool

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112090042A (en) * 2020-08-20 2020-12-18 沈荣芳 Safe type pole frame lifts formula power equipment installation maintenance of equipment
CN113715930A (en) * 2021-09-22 2021-11-30 杭州电子科技大学 Obstacle-crossing robot for climbing outer wall of rod body and climbing method thereof

Also Published As

Publication number Publication date
CN111097145B (en) 2021-04-27

Similar Documents

Publication Publication Date Title
CN111097145B (en) Electric power meter reading device
CN108544929A (en) A kind of safe and reliable intelligent new-energy automobile charging pile easy to use
CN107522119A (en) A kind of cable wire for crane lubricating arrangement
CN115201221B (en) Detection device and detection method for preventing power cable from being broken outwards
CN108297067A (en) A kind of conducting wire walking robot of rope lifting
CN108466271A (en) A kind of working method of conducting wire walking robot
CN211176197U (en) Security protection monitoring device for network machine room
CN201236325Y (en) Roadblock apparatus
CN112723104A (en) Climbing device for installation of lifting mechanism and 5G base station
CN212801689U (en) Monitoring devices of deep horizontal displacement of foundation ditch and vertical settlement
CN219107888U (en) Protector for monitor
CN112723269B (en) Quick erection equipment of wisdom street lamp
CN213724863U (en) Tibetan race horse race field with good security
CN210979159U (en) Building construction supervision device based on BIM technology
CN207047827U (en) A kind of portable ramming machine
CN112572719A (en) Emergency floating test release control device for underwater vehicle model
CN210200970U (en) Electric power grounding pile for electric power engineering
CN214057559U (en) Coal mine car bolt anti-disengaging device
CN213881537U (en) Novel bird-proof thorn
CN213571674U (en) Intelligence screen overhead door
CN117989435B (en) Underground camera for water source well
CN221032573U (en) Metering device for open hole well logging
CN220585797U (en) Electric control cabinet
CN214427544U (en) Outdoor electrical information acquisition terminal
CN112467411B (en) Pre-buried formula ground connection stake device of town shaft tower

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