CN114659550B - Device for detecting electromagnetic force and displacement - Google Patents

Device for detecting electromagnetic force and displacement Download PDF

Info

Publication number
CN114659550B
CN114659550B CN202210146921.3A CN202210146921A CN114659550B CN 114659550 B CN114659550 B CN 114659550B CN 202210146921 A CN202210146921 A CN 202210146921A CN 114659550 B CN114659550 B CN 114659550B
Authority
CN
China
Prior art keywords
displacement
plate
electromagnetic force
bearing
installation
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
CN202210146921.3A
Other languages
Chinese (zh)
Other versions
CN114659550A (en
Inventor
陈健
刘天福
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.)
Guizhou Anji Huayuan Technology Development Co ltd
Original Assignee
Guizhou Anji Huayuan Technology Development 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 Guizhou Anji Huayuan Technology Development Co ltd filed Critical Guizhou Anji Huayuan Technology Development Co ltd
Priority to CN202210146921.3A priority Critical patent/CN114659550B/en
Publication of CN114659550A publication Critical patent/CN114659550A/en
Application granted granted Critical
Publication of CN114659550B publication Critical patent/CN114659550B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01DMEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D21/00Measuring or testing not otherwise provided for
    • G01D21/02Measuring two or more variables by means not covered by a single other subclass
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01DMEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D11/00Component parts of measuring arrangements not specially adapted for a specific variable
    • G01D11/30Supports specially adapted for an instrument; Supports specially adapted for a set of instruments

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Force Measurement Appropriate To Specific Purposes (AREA)

Abstract

The invention discloses a device for detecting electromagnetic force and displacement, and relates to the technical field of electromagnetic force detection. The device for detecting electromagnetic force and displacement comprises a bearing platen, a displacement top plate, a movable sliding block, a displaceable component and a detection component, wherein a supporting column is fixedly arranged at the top of the bearing platen, one end of the supporting column is fixedly connected with an installation suspension plate, the displacement top plate is arranged at the bottom of the installation suspension plate, a displacement sensor and a pressure sensor are arranged at the top of the displacement top plate, a magnetic core ejector rod is arranged at the top of the bearing platen, the displaceable component is arranged at the top of the bearing platen, and the displaceable component comprises a U-shaped supporting table and is fixedly arranged at the top of the bearing platen. The device is simple and convenient to operate, accurate in measurement, wide in testing range, high in accuracy and functional expansibility, and capable of testing electromagnetic force generated by each electrical measuring coil more conveniently and directly, further remarkably improves the practicability of the device, is low in cost, and is convenient to popularize and use.

Description

Device for detecting electromagnetic force and displacement
Technical Field
The invention relates to the technical field of electromagnetic force detection, in particular to a device for detecting electromagnetic force and displacement.
Background
The electromagnetic force is acting force applied to charged particles in an electric field, a magnetic field or an electromagnetic field, belongs to one of four basic forces of nature, and is intuitively described in such a way that when an electromagnetic coil is in an electrified state, the force and displacement generated by an internal magnetic core of the electromagnetic coil are generated, and an electromagnet is a component containing the electromagnetic force, and when a part of the electromagnet is applied, the limit electromagnetic force needs to be detected, but the electromagnetic force and displacement of the existing part of the electromagnetic force and displacement detection device need to be detected by using two devices, so that the detection is complicated, the test result is inaccurate, and the device is inconvenient to use, therefore, improvement and treatment of the electromagnetic force and displacement detection device are needed.
Disclosure of Invention
The invention aims to at least solve one of the technical problems in the prior art, and provides a device for detecting electromagnetic force and displacement, which can solve the problems of inaccurate test results and inconvenient use of the device.
In order to achieve the above purpose, the present invention provides the following technical solutions: the device for detecting electromagnetic force and displacement comprises a bearing platen, a displacement top plate, a movable sliding block, a displaceable component and a detection component, wherein a supporting column is fixedly arranged at the top of the bearing platen, one end of the supporting column is fixedly connected with an installation suspension plate, the displacement top plate is arranged at the bottom of the installation suspension plate, a displacement sensor and a pressure sensor are arranged at the top of the displacement top plate, and a magnetic core ejector rod is arranged at the top of the bearing platen;
the movable component is arranged at the top of the bearing platen, comprises a U-shaped supporting table and is fixedly arranged at the top of the bearing platen;
the detection assembly is arranged on the installation hanging plate and can drive the displacement top plate to move downwards, and the detection assembly comprises a servo motor and is arranged at the top of the installation hanging plate.
Preferably, four groups of circular holes are formed in the mounting suspension plate, T-shaped positioning sleeves are fixedly mounted on the inner walls of the circular holes, concentric positioning columns are slidably mounted in the T-shaped positioning sleeves, and connecting sheet plates are fixedly connected to one ends of the four groups of concentric positioning columns.
Preferably, the bottom fixed mounting of installation cantilever plate has the installation curb plate, and the outer wall fixed mounting of displacement roof has the installation connecting block, is provided with the bolt on the installation connecting block, and the bolt passes the installation connecting block and with installation curb plate threaded connection, displacement sensor's one end and displacement roof's top fixed connection.
Preferably, but the displacement subassembly is still including removing slider, lead screw, servo motor and direction slide bar, direction slide bar fixed mounting is in U type brace table, removes the outer wall that the slide bar was located to the slider slip cap, and the lead screw rotates to be installed in U type brace table, removes the outer wall that the slider thread bush was located the lead screw, servo motor fixed mounting in the rear side of U type brace table, servo motor's output shaft pass U type brace table and with lead screw fixed connection through the shaft coupling, the below of displacement roof is kept away from with its solenoid valve fixing base when convenient material loading or unloading.
Preferably, the top fixed mounting who removes the slider has continuous carrier block, and the inverted T type groove has been seted up at the top that links to each other the carrier block, and the bottom of magnetic core ejector pin is provided with the solenoid valve fixing base, and the bottom slidable mounting of solenoid valve fixing base is in inverted T type inslot, and pressure sensor's bottom contacts with the top of displacement roof, can be convenient for carry out the effect to the displacement roof.
Preferably, the detection assembly further comprises a threaded rod, the bottom of the servo motor is fixedly provided with an installation table, a screw is arranged on the installation table, an opening is formed in the installation table, the screw penetrates through the opening and is in threaded connection with the bearing platen, and the connecting sheet plate is in threaded sleeve on the outer wall of the threaded rod so as to conveniently drive the pressure sensor to longitudinally move.
Preferably, the annular groove is formed in the mounting suspension plate, the bearing is fixedly mounted on the inner wall of the annular groove, one end of the threaded rod is fixedly connected with a connecting cylinder, the connecting cylinder extends into the annular groove and is in interference fit with the inner wall of the bearing, a cross groove is formed in the end head of one end of the connecting cylinder, an output shaft of the servo motor is fixedly connected with a cross wedge through a coupler, and the cross wedge is mounted in the cross groove in a clamping manner, so that the servo motor is convenient to detach and maintain.
Compared with the prior art, the invention has the beneficial effects that:
(1) This detect device of electromagnetic force and displacement uses through U type brace table, remove the slider, link to each other the carrier block, the direction slide bar, solenoid valve fixing base, lead screw and servo motor's cooperation, the convenience is kept away from the below of displacement roof with its solenoid valve fixing base during material loading or unloading, and then make material loading and unloading operation all more convenient, the efficiency of material loading, unloading and the practicality of the device have been improved to the relativity, also be convenient for fix solenoid, avoid appearing because of solenoid position is placed unstable or place the position and take place the skew, and then lead to the measurement of its electromagnetic force to appear the error and reduce the phenomenon of detection accuracy.
(2) The device for detecting electromagnetic force and displacement is simple and convenient to operate, accurate in measurement, wide in testing range, high in accuracy and functional expansibility, and capable of more conveniently and directly testing electromagnetic force generated by each electrical measuring coil, further remarkably enhancing the practicability of the device, low in cost and convenient to popularize and use.
Drawings
The invention is further illustrated by the following examples in conjunction with the accompanying drawings:
FIG. 1 is a schematic perspective view of the present invention;
fig. 2 is a left side view of the present invention.
Reference numerals: the device comprises a bearing platen 1, a supporting column 2, a mounting suspension plate 3, a 4T-shaped positioning sleeve, a 5 concentric positioning column, a 6 detection component, a 61 servo motor, a 62 threaded rod, a 7 mounting side plate, an 8 displacement sensor, a 9 displacement top plate, a 10 pressure sensor, an 11U-shaped supporting table, a 12 moving slide block, a 13 connecting bearing block, a 14 magnetic core ejector rod, a 15 connecting sheet plate, a 16 guiding slide rod and a 17 electromagnetic valve fixing seat.
Detailed Description
Reference will now be made in detail to the present embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein the accompanying drawings are used to supplement the description of the written description so that one can intuitively and intuitively understand each technical feature and overall technical scheme of the present invention, but not to limit the scope of the present invention.
Embodiment one:
referring to fig. 1-2, the present invention provides a technical solution: the utility model provides a device for detecting electromagnetic force and displacement, including bearing platen 1, displacement roof 9, remove slider 12, but displacement subassembly and detection component 6, bearing platen 1's top fixed mounting has support post 2, support post 2's one end fixedly connected with installation hanger plate 3, displacement roof 9 sets up in installation hanger plate 3's bottom, displacement roof 9's top is provided with displacement sensor 8 and pressure sensor 10, magnetic core ejector pin 14 sets up in bearing platen 1's top, but displacement subassembly is including U type brace table 11 and fixed mounting in bearing platen 1's top, detection component 6 sets up on installation hanger plate 3 and can order about displacement roof 9 to move downwards, detection component 6 is including servo motor 61 and set up in installation hanger plate 3's top.
Further, four groups of circular holes are formed in the mounting suspension plate 3, T-shaped positioning sleeves 4 are fixedly mounted on the inner walls of the circular holes, concentric positioning columns 5 are slidably mounted in the T-shaped positioning sleeves 4, and connecting sheet plates 15 are fixedly connected to one ends of the four groups of concentric positioning columns 5.
Further, the bottom of the installation cantilever plate 3 is fixedly provided with an installation side plate 7, the outer wall of the displacement top plate 9 is fixedly provided with an installation connecting block, a bolt is arranged on the installation connecting block, the bolt penetrates through the installation connecting block and is in threaded connection with the installation side plate 7, and one end of the displacement sensor 8 is fixedly connected with the top of the displacement top plate 9.
Still further, but the displacement subassembly still includes removal slider 12, the lead screw, servo motor and direction slide bar 16, direction slide bar 16 fixed mounting is in U type brace table 11, the outer wall of direction slide bar 16 is located to removal slider 12 sliding sleeve, the lead screw rotates to be installed in U type brace table 11, the outer wall of lead screw is located to removal slider 12 thread bush, servo motor fixed mounting is in the rear side of U type brace table 11, servo motor's output shaft passes U type brace table 11 through the shaft coupling and with lead screw fixed connection.
Embodiment two:
referring to fig. 1-2, on the basis of the first embodiment, a connecting bearing block 13 is fixedly installed at the top of the moving slide block 12, an inverted T-shaped groove is formed at the top of the connecting bearing block 13, an electromagnetic valve fixing seat 17 is arranged at the bottom of the magnetic core ejector rod 14, the bottom of the electromagnetic valve fixing seat 17 is slidably installed in the inverted T-shaped groove, the bottom of the pressure sensor 10 is contacted with the top of the displacement top plate 9, a servo motor is controlled to start to drive a screw rod to rotate, the moving slide block 12 is driven to transversely move under the action of the guide slide rod 16, the electromagnetic valve fixing seat 17 is driven to transversely move, the electromagnetic valve fixing seat 17 is conveniently moved away from the lower side of the displacement top plate 9 during feeding or discharging, feeding and discharging operations are relatively convenient, feeding and discharging efficiency and practicability of the device are relatively improved, the electromagnetic coil is also convenient to fix, and the phenomenon that errors occur due to the position placement of the electromagnetic coil are avoided, and the electromagnetic force is measured and the error is caused, and the detection accuracy is reduced.
Further, the detecting assembly 6 further comprises a threaded rod 62, a mounting table is fixedly mounted at the bottom of the servo motor 61, a screw is arranged on the mounting table, an opening is formed in the mounting table, the screw penetrates through the opening and is in threaded connection with the bearing platen 1, and the connecting sheet plate 15 is in threaded sleeve on the outer wall of the threaded rod 62.
Furthermore, the annular groove is formed in the mounting suspension plate 3, the bearing is fixedly arranged on the inner wall of the annular groove, one end of the threaded rod 62 is fixedly connected with the connecting cylinder, the connecting cylinder extends into the annular groove and is in interference fit with the inner wall of the bearing, a cross groove is formed in one end head of the connecting cylinder, the output shaft of the servo motor 61 is fixedly connected with a cross wedge through a coupler, the cross wedge is clamped and arranged in the cross groove, the device is simple and convenient to operate, the device is convenient to operate, accurate in measurement, wide in testing range and high in accuracy and function expansibility, electromagnetic force generated by each electrical measuring coil can be more conveniently and directly tested, the practicability of the device is further remarkably improved, the cost is low, the device is convenient to popularize and use, when the device reaches maximum displacement, the servo motor 61 applies reverse acting force to the electromagnetic coil, when the reverse acting force is larger than the electromagnetic force, the magnetic core ejector 14 can displace, and the maximum force value read by the process pressure sensor 10 can be used as the maximum electromagnetic force generated by the electromagnetic coil.
Working principle: when a displacement test is needed, an electromagnetic coil to be tested is fixed on the electromagnetic valve fixing seat 17, current is supplied to the electromagnetic coil, the electromagnetic coil generates magnetic attraction force to enable the magnetic core ejector rod 14 to be in linkage with the displacement sensor 8 to displace upwards, the generated displacement is the displacement S of the electromagnetic coil, after the displacement test is completed, the on-state is kept continuously, the servo motor 61 is controlled to start at the moment, the servo motor 61 drives the threaded rod 62 to rotate, the threaded rod 62 moves downwards along with the pressure sensor 10 until the threaded rod is in contact with the magnetic core ejector rod 14, pressure is applied to the magnetic core ejector rod 14, the magnetic core ejector rod 14 drives the displacement sensor 8 to displace downwards, meanwhile, the numerical value T of the pressure sensor 10 is read, the gravity G of the magnetic core ejector rod 14 is added, and the magnetic attraction force Q=T+G of the electromagnetic cut-off valve can be obtained at the moment.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of one of ordinary skill in the art without departing from the spirit of the present invention.

Claims (5)

1. The utility model provides a detect device of electromagnetic force and displacement, includes loading board (1), displacement roof (9), removes slider (12), displaceable subassembly and detection component (6), its characterized in that: the top of the bearing bedplate (1) is fixedly provided with a supporting upright post (2), one end of the supporting upright post (2) is fixedly connected with a mounting suspension plate (3), a displacement top plate (9) is arranged at the bottom of the mounting suspension plate (3), the top of the displacement top plate (9) is provided with a displacement sensor (8) and a pressure sensor (10), and a magnetic core ejector rod (14) is arranged at the top of the bearing bedplate (1);
the movable assembly is arranged at the top of the bearing platen (1), the movable assembly comprises a U-shaped supporting table (11) and is fixedly arranged at the top of the bearing platen (1), the movable assembly further comprises a movable sliding block (12), a screw rod, a servo motor and a guide sliding rod (16), the guide sliding rod (16) is fixedly arranged in the U-shaped supporting table (11), the movable sliding block (12) is slidably sleeved on the outer wall of the guide sliding rod (16), the screw rod is rotatably arranged in the U-shaped supporting table (11), the movable sliding block (12) is threadedly sleeved on the outer wall of the screw rod, the servo motor is fixedly arranged at the rear side of the U-shaped supporting table (11), an output shaft of the servo motor penetrates through the U-shaped supporting table (11) and is fixedly connected with the screw rod through a coupler, a connecting bearing block (13) is fixedly arranged at the top of the movable sliding block (12), an inverted T-shaped groove is formed in the top of the connecting bearing block (13), an electromagnetic valve fixing seat (17) is arranged at the bottom of the magnetic core push rod (14), the bottom of the electromagnetic valve fixing seat (17) is slidably arranged in the inverted T-shaped groove, and the bottom of the electromagnetic valve fixing seat (17) is in contact with the top of the displacement top plate (9);
the detection assembly (6) is arranged on the mounting suspension plate (3) and can drive the displacement top plate (9) to move downwards, and the detection assembly (6) comprises a servo motor (61) and is arranged at the top of the mounting suspension plate (3).
2. A device for detecting electromagnetic force and displacement as claimed in claim 1, wherein: four groups of circular holes are formed in the mounting suspension plate (3), T-shaped locating sleeves (4) are fixedly mounted on the inner walls of the circular holes, concentric locating columns (5) are slidably mounted in the T-shaped locating sleeves (4), and connecting sheet plates (15) are fixedly connected to one ends of the four groups of concentric locating columns (5).
3. A device for detecting electromagnetic force and displacement as claimed in claim 2, wherein: the bottom fixed mounting of installation hanger plate (3) has installation curb plate (7), and the outer wall fixed mounting of displacement roof (9) has the installation connecting block, is provided with the bolt on the installation connecting block, and the bolt passes the installation connecting block and with installation curb plate (7) threaded connection, the top fixed connection of displacement roof (9) is connected to one end of displacement sensor (8).
4. A device for detecting electromagnetic force and displacement as claimed in claim 3, wherein: the detection assembly (6) further comprises a threaded rod (62), the bottom of the servo motor (61) is fixedly provided with an installation table, a screw is arranged on the installation table, an opening is formed in the installation table, the screw penetrates through the opening and is in threaded connection with the bearing platen (1), and the connecting sheet plate (15) is in threaded sleeve on the outer wall of the threaded rod (62).
5. The apparatus for detecting electromagnetic force and displacement according to claim 4, wherein: an annular groove is formed in the mounting suspension plate (3), a bearing is fixedly mounted on the inner wall of the annular groove, one end of a threaded rod (62) is fixedly connected with a connecting cylinder, the connecting cylinder extends into the annular groove and is in interference fit with the inner wall of the bearing, a cross groove is formed in the end head of one end of the connecting cylinder, an output shaft of a servo motor (61) is fixedly connected with a cross wedge block through a coupler, and the cross wedge block is mounted in the cross groove in a clamping mode.
CN202210146921.3A 2022-02-17 2022-02-17 Device for detecting electromagnetic force and displacement Active CN114659550B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210146921.3A CN114659550B (en) 2022-02-17 2022-02-17 Device for detecting electromagnetic force and displacement

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210146921.3A CN114659550B (en) 2022-02-17 2022-02-17 Device for detecting electromagnetic force and displacement

Publications (2)

Publication Number Publication Date
CN114659550A CN114659550A (en) 2022-06-24
CN114659550B true CN114659550B (en) 2024-01-26

Family

ID=82027309

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202210146921.3A Active CN114659550B (en) 2022-02-17 2022-02-17 Device for detecting electromagnetic force and displacement

Country Status (1)

Country Link
CN (1) CN114659550B (en)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001296225A (en) * 2000-04-13 2001-10-26 Shimadzu Corp Material tester
CN101937033A (en) * 2010-07-23 2011-01-05 宁波市鄞州通力液压电器厂 Automatic testing device of performance of electromagnet for valve
CN105092109A (en) * 2015-08-19 2015-11-25 无锡晶晟汽车电子有限公司 Electromagnetic force detection device
CN110440976A (en) * 2019-08-26 2019-11-12 华南理工大学 A kind of high-speed electromagnetic valve electromagnetism force test device for brake system of car
CN111812563A (en) * 2020-06-24 2020-10-23 三一汽车制造有限公司 System, method, computer and storage medium for testing force characteristics of proportional electromagnet
CN112649771A (en) * 2020-12-25 2021-04-13 江南大学 High-efficient testing arrangement of multi-functional proportional valve electromagnetic force
CN214749445U (en) * 2021-03-12 2021-11-16 湖南省产商品质量监督检验研究院 Effective volume elastic modulus detection device of hydraulic oil

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001296225A (en) * 2000-04-13 2001-10-26 Shimadzu Corp Material tester
CN101937033A (en) * 2010-07-23 2011-01-05 宁波市鄞州通力液压电器厂 Automatic testing device of performance of electromagnet for valve
CN105092109A (en) * 2015-08-19 2015-11-25 无锡晶晟汽车电子有限公司 Electromagnetic force detection device
CN110440976A (en) * 2019-08-26 2019-11-12 华南理工大学 A kind of high-speed electromagnetic valve electromagnetism force test device for brake system of car
CN111812563A (en) * 2020-06-24 2020-10-23 三一汽车制造有限公司 System, method, computer and storage medium for testing force characteristics of proportional electromagnet
CN112649771A (en) * 2020-12-25 2021-04-13 江南大学 High-efficient testing arrangement of multi-functional proportional valve electromagnetic force
CN214749445U (en) * 2021-03-12 2021-11-16 湖南省产商品质量监督检验研究院 Effective volume elastic modulus detection device of hydraulic oil

Also Published As

Publication number Publication date
CN114659550A (en) 2022-06-24

Similar Documents

Publication Publication Date Title
CN206177493U (en) Full -automatic plug power test type device
CN210741291U (en) Radial circle of axle type part detection device that beats
CN219266496U (en) Turret type follow-up detection device for large-cylinder full-tab battery
CN114659550B (en) Device for detecting electromagnetic force and displacement
CN108816793A (en) A kind of detection device for jack separating force of slotting
CN210923829U (en) Multi-range capacitance detection clamp
CN215853758U (en) New energy automobile fuse automatic check out test set
CN107631865B (en) intelligent test bed for power equipment
CN116125114A (en) Needle bed for electrical property test of circuit board
CN216210987U (en) Hard disk detection device
CN216049757U (en) Workpiece height detection pressing mechanism
CN109297382A (en) A kind of threaded blind hole position detection jig
CN212512801U (en) Full-automatic drill bit radial run-out detection machine
CN213967785U (en) Feeding device of axial clearance detection equipment for plane thrust ball bearing
CN210719086U (en) Static disc detection device of scroll compressor
CN213051596U (en) Drill bit detection device's classification stores mechanism
CN212483161U (en) Battery welding tension test machine
CN208704921U (en) Rub force checking device
CN220426022U (en) Motor performance testing machine
CN212872859U (en) Electromagnetic type tensioner suction measuring device
CN220960403U (en) Photosensitive drum surface friction force detection tool
CN116989726B (en) Control arm ball pin axial clearance detection device and detection method thereof
CN210392869U (en) Magnetizing detection device for magnetic encoder
CN217332639U (en) Static testing device for automobile detection
CN217278780U (en) Adjustable jig for ICT test

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