CN116908497A - Comprehensive tester for operation and detection of transformer substation - Google Patents
Comprehensive tester for operation and detection of transformer substation Download PDFInfo
- Publication number
- CN116908497A CN116908497A CN202311047977.4A CN202311047977A CN116908497A CN 116908497 A CN116908497 A CN 116908497A CN 202311047977 A CN202311047977 A CN 202311047977A CN 116908497 A CN116908497 A CN 116908497A
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- CN
- China
- Prior art keywords
- fixedly connected
- shell
- detection
- transformer substation
- tester
- 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.)
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Links
- 238000001514 detection method Methods 0.000 title claims abstract description 41
- 230000007246 mechanism Effects 0.000 claims abstract description 9
- 239000003381 stabilizer Substances 0.000 claims description 8
- 229910018503 SF6 Inorganic materials 0.000 claims description 5
- 230000005855 radiation Effects 0.000 claims description 5
- 230000000087 stabilizing effect Effects 0.000 claims description 5
- SFZCNBIFKDRMGX-UHFFFAOYSA-N sulfur hexafluoride Chemical compound FS(F)(F)(F)(F)F SFZCNBIFKDRMGX-UHFFFAOYSA-N 0.000 claims description 5
- 229960000909 sulfur hexafluoride Drugs 0.000 claims description 5
- 238000012360 testing method Methods 0.000 abstract description 8
- 238000012423 maintenance Methods 0.000 abstract description 7
- 238000009434 installation Methods 0.000 abstract description 4
- 230000009466 transformation Effects 0.000 abstract description 4
- 230000017525 heat dissipation Effects 0.000 description 4
- 238000001816 cooling Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000010248 power generation Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 125000003003 spiro group Chemical group 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Electric Properties And Detecting Electric Faults (AREA)
Abstract
The invention discloses a comprehensive operation and detection tester for a transformer substation, which reduces the moving collision probability in operation and detection tests of on-site power transformation and reduces the installation and maintenance cost. The transformer substation operation and detection comprehensive tester comprises an outer shell, wherein a storage mechanism is arranged in the outer shell and comprises a threaded rod, the threaded rod is rotationally connected with the inner bottom wall of the outer shell, a spiral ring is connected to the outer surface of the threaded rod in a threaded manner, two movable plates are fixedly connected to the outer surface of the spiral ring, a movable plate is fixedly connected to the right side surface of each movable plate, and a tester body is detachably connected to the upper surface of each movable plate; the tester body comprises a lower shell and an upper shell, wherein the lower shell and the upper shell are mutually buckled to form a whole, a positioning groove is formed in the top end of the lower shell, a positioning strip is arranged at the bottom end of the upper shell, the positioning strip and the positioning groove are mutually embedded, and radiating holes are formed in the side ends of the lower shell and the side ends of the upper shell.
Description
Technical Field
The invention relates to the technical field of electric power overhaul, in particular to a comprehensive tester for operation and detection of a transformer substation.
Background
The power equipment is a power generation and consumption system which is composed of links of power generation, power transmission, transformation, power distribution, power consumption and the like, primary energy in the nature is converted into power through a power generation power device, and the power is supplied to each user through the power transmission, transformation and power distribution.
The operation and maintenance of the transformer substation equipment is to test the transformer substation equipment in the transformer substation, the operation and the detection are a main working task of the transformer substation operation, the operation state of the transformer substation equipment is directly related to the normal operation of the transformer substation, the operation and detection comprehensive tester is often used for testing operation for the operation and detection of the transformer substation equipment, but the traditional tester is usually fixed on the upper part of a vehicle body so as to move, but the tester is exposed outside, if collision occurs in the moving process, the tester is easy to damage, the assembly structure of the traditional tester is complex, and the installation, the disassembly and the maintenance are inconvenient. Therefore, the transformer substation operation and detection comprehensive tester solves the problems.
Disclosure of Invention
Aiming at the technical defects of the prior art, the invention provides the comprehensive tester for operation and detection of the transformer substation, reduces the moving collision probability in the operation and detection test of the on-site transformer substation, and reduces the installation and maintenance cost.
In order to achieve the above purpose, the present invention provides the following technical solutions: the transformer substation operation and detection comprehensive tester comprises an outer shell, wherein a storage mechanism is arranged in the outer shell and comprises a threaded rod, the threaded rod is rotationally connected with the inner bottom wall of the outer shell, a spiral ring is connected to the outer surface of the threaded rod in a threaded manner, two movable plates are fixedly connected to the outer surface of the spiral ring, a movable plate is fixedly connected to the right side surface of each movable plate, and a tester body is detachably connected to the upper surface of each movable plate;
the tester body comprises a lower shell, an upper shell, wherein the lower shell and the upper shell are mutually buckled to form a whole, a positioning groove is formed in the top end of the lower shell, a positioning strip is arranged at the bottom end of the upper shell, the positioning strip and the positioning groove are mutually embedded, a radiating hole is formed in the side end of the lower shell and the side end of the upper shell, a front lug plate is arranged at the front end of the lower shell or the front end of the upper shell, a rear lug plate is arranged at the rear end of the lower shell and the rear end of the upper shell, the front panel is positioned at the front end of the whole and fixedly connected to the rear lug plate, a display screen and a button are respectively arranged on the front panel, front holding angles are fixedly connected to four corners of the front end of the whole, rear holding angles are fixedly connected to four corners of the rear end of the whole, and protruding feet are arranged at the rear end of the rear holding angles.
Preferably, the inner bottom wall of the outer shell is fixedly connected with two sliding rods, the outer surface of each sliding rod is slidably connected with a sliding ring, and one ends of the two movable plates, which are far away from each other, are fixedly connected with the outer surfaces of the two sliding rings respectively.
Preferably, the upper surface of the outer shell is fixedly connected with a servo motor, and an output rotating shaft of the servo motor is fixedly connected with the top end of the threaded rod; the outer surface of servo motor fixedly connected with two stabilizer plates, the bottom surface of every stabilizer plate all is connected with the upper surface fixed of shell body.
Preferably, the right side of tester body fixedly connected with storage board, the upper surface fixedly connected with stabilizer bar of storage board.
Preferably, the inner bottom wall of the outer shell is fixedly connected with a base plate, and the base plate is positioned right below the movable plate.
Preferably, a detection bin is arranged in the tester body, an air pump and a sulfur hexafluoride sensor are arranged in the detection bin, an air inlet pipe and an air outlet pipe are connected to the rear end of the detection bin, and valves are respectively arranged on the air inlet pipe and the air outlet pipe.
Preferably, a cooling fan is arranged in the tester body, and the cooling fan is located at the inner side of the cooling hole.
Preferably, the front end of the front panel is rotatably connected with a front cover through a hinge, a buckle is arranged between the front cover and the front panel, and the front cover is positioned between the front holding angles.
Preferably, the bottom surface of shell body installs two sets of universal wheels, and the left surface fixedly connected with of shell body two push rods, the one end fixedly connected with push handle that two push rods kept away from the shell body.
Preferably, two groups of sliding grooves are formed in the inner wall of the outer shell, sliding blocks are slidably connected in each sliding groove, and one ends, close to each other, of the two groups of sliding blocks are fixedly connected with the outer surface of the tester body.
Compared with the prior art, the invention has the beneficial effects that:
the comprehensive transformer substation operation and detection tester reduces the moving collision probability in the operation and detection test of the on-site transformer substation and reduces the installation and maintenance cost. The inside of the outer shell is provided with the storage mechanism, after the tester body is used in the operation and detection test of the on-site power transformation, the screw ring can rotate through the threaded rod, the two movable plates are driven to move downwards by the screw ring, the two movable plates are driven to move downwards by the movable plates, and the tester body is driven to be stored in the inside of the outer shell by the movable plates, so that the storage and the protection of the tester body are completed, the tester can be effectively stored and protected, and the damage caused by the collision of the tester is avoided; the structure of the tester body is designed to be that the lower shell and the upper shell are buckled, so that a part of the shell of the tester body is constructed, and the part of the shell, the front panel and the rear panel form the whole shell of the tester body; the front ear plate is used for installing a front panel; the rear ear plate is used for installing a rear panel; the positioning groove on the lower shell is matched with the positioning strip on the upper shell and is used for positioning during assembly; the display screen and the buttons are used for providing basic display and control functions, and the specific construction and the electrical connection relation of the display screen and the buttons can be implemented according to common technical knowledge in the field of transformer substation testers; the front holding angle and the rear holding angle are made of flexible materials, a certain anti-falling protection function can be achieved, the tester body improves the outer shell assembly structure of the tester on the premise that the electric detection principle is not changed, and the tester is simple in assembly structure and convenient to install, disassemble and maintain.
Drawings
FIG. 1 is a schematic front perspective view of an embodiment of the present invention;
FIG. 2 is a side cross-sectional view of the embodiment shown in FIG. 1;
FIG. 3 is a front cross-sectional view of the embodiment shown in FIG. 1;
FIG. 4 is an enlarged view of the structure of FIG. 3A in accordance with the present invention;
FIG. 5 is a schematic view of a front perspective structure of a tester body according to the present invention;
FIG. 6 is a schematic view of a rear perspective view of the tester body shown in FIG. 5;
FIG. 7 is a schematic side perspective view of the tester body shown in FIG. 5;
FIG. 8 is a perspective view of the tester body from one perspective, with the upper and lower housings removed;
FIG. 9 is a perspective view of the tester body from another perspective after the upper and lower housings are removed;
FIG. 10 is a schematic perspective view of the upper and lower housings of the tester body in a disassembled state;
fig. 11 is a schematic bottom perspective view of the tester body shown in fig. 5.
Reference numerals illustrate:
1. an outer housing; 2. a storage mechanism; 3. a stabilizer bar; 4. a slide bar; 5. a push rod; 6. a pushing handle; 7. a universal wheel; 8. a storage plate; 9. a backing plate; 10. a chute; 11. a stabilizing plate; 12. a slide block;
201. a servo motor; 202. a moving plate; 203. a tester body; 204. a threaded rod; 205. a movable plate; 206. a slip ring; 207. a spiro ring;
301. a lower housing; 302. an upper housing; 303. a heat radiation hole; 304. a front ear plate; 305. a rear ear panel; 306. a positioning groove; 307. a positioning strip; 308. a front panel; 309. a display screen; 310. a button; 311. front holding angle; 312. a rear panel; 313. rear holding angle; 314. protruding feet; 315. a detection bin; 316. an air inlet pipe; 317. an air outlet pipe; 318. and (3) a valve.
Detailed Description
The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention, and all other embodiments obtained by those skilled in the art without making any inventive effort based on the embodiments of the present invention are within the scope of protection of the present invention.
As shown in fig. 1-11, which illustrate embodiments of the present invention: as shown in fig. 1, the comprehensive testing instrument for transformer substation operation and detection disclosed by the invention comprises an outer shell 1, wherein a containing mechanism 2 is arranged in the outer shell 1, the containing mechanism 2 comprises a threaded rod 204, the threaded rod 201 is rotatably connected with the inner bottom wall of the outer shell 1, a spiral ring 207 is connected with the outer surface of the threaded rod 201 in a threaded manner, two movable plates 205 are fixedly connected with the outer surface of the spiral ring 207, a movable plate 202 is fixedly connected with the right side surface of each movable plate 205, and a testing instrument body 203 is detachably connected with the upper surface of the movable plate 202;
the tester body 203 comprises a lower shell 301 and an upper shell 302, wherein the lower shell 301 and the upper shell 302 are mutually buckled to form a whole, a positioning groove 306 is formed at the top end of the lower shell 301, a positioning bar 307 is formed at the bottom end of the upper shell 302, the positioning bar 307 and the positioning groove 306 are mutually embedded, a heat dissipation hole 303 is formed at the side end of the lower shell 301 and the side end of the upper shell 302, a front ear plate 304 is formed at the front end of the lower shell 301 or the front end of the upper shell 302, a rear ear plate 305 is formed at the rear end of the lower shell 301 and the rear end of the upper shell 302, a front panel 308 is positioned at the front end of the whole and fixedly connected to the front ear plate 304, a display screen 309 and a button 310 are respectively arranged on the front panel 308, a front holding angle 311 is fixedly connected to the four corners of the front end of the whole, a rear holding angle 313 is fixedly connected to the four corners of the rear end of the whole, and a protruding foot 314 is arranged at the rear end of the rear holding angle 313.
Preferably, as shown in fig. 3 and 4, the inner bottom wall of the outer casing 1 is fixedly connected with two sliding rods 4, the outer surface of each sliding rod 4 is slidably connected with a sliding ring 206, and the ends of the two movable plates 205 away from each other are respectively fixedly connected with the outer surfaces of the two sliding rings 206. The stability of the two movable plates 205 in the moving process can be effectively guaranteed, and the movable plates 205 are prevented from being blocked due to deflection.
Preferably, as shown in fig. 3, the upper surface of the outer casing 1 is fixedly connected with a servo motor 201, and an output rotating shaft of the servo motor 201 is fixedly connected with the top end of a threaded rod 204; the outer surface of the servo motor 201 is fixedly connected with two stabilizing plates 11, and the bottom surface of each stabilizing plate 11 is fixedly connected with the upper surface of the outer shell 1. The output pivot of servo motor 201 and the top fixed connection of threaded rod 204 can drive threaded rod 204, avoids artificially rotating, facilitates the use and servo motor 201's surface fixedly connected with two stabilizer plates 11, and the bottom surface of every stabilizer plate 11 all is fixed with the upper surface of shell body 1, can be further fixed servo motor 201, improves servo motor 201's stability in the use.
Preferably, as shown in fig. 3, the right side surface of the tester body 203 is fixedly connected with a storage plate 8, and the upper surface of the storage plate 8 is fixedly connected with a stabilizer bar 3. Can collect some sundries and is convenient to use.
Preferably, as shown in fig. 2, a pad 9 is fixedly connected to the inner bottom wall of the outer casing 1, and the pad 9 is located directly below the moving plate 202. The movable plate 202 can be effectively prevented from colliding with the inner bottom wall of the outer case 1.
Preferably, as shown in fig. 6, a detection bin 315 is arranged in the tester body 203, an air pump and a sulfur hexafluoride sensor are arranged in the detection bin 315, an air inlet pipe 316 and an air outlet pipe 317 are connected to the rear end of the detection bin 315, and valves 318 are respectively arranged on the air inlet pipe 316 and the air outlet pipe 317. The detection bin with the air pump and the sulfur hexafluoride sensor is arranged in the tester body and can be used for independently executing sulfur hexafluoride detection, so that the detection function of the tester is improved; meanwhile, the structure is also suitable for other detection equipment.
Preferably, as shown in fig. 5, a heat dissipation fan is disposed inside the tester body 203, and the heat dissipation fan is located inside the heat dissipation hole 303. The radiating holes are used for guaranteeing a radiating passage inside the machine body, the internally installed radiating fan can promote heat conduction and dissipation through circulating air, the temperature inside the instrument is effectively reduced, and faults or damage caused by overheating of the instrument are prevented.
Preferably, as shown in fig. 5, a front cover is rotatably connected to the front end of the front panel 308 by a hinge, and a buckle is provided between the front cover and the front panel 308, and the front cover is located between the front holding angles 311. The front cover can protect the panel.
Preferably, as shown in fig. 1, two groups of universal wheels 7 are installed on the bottom surface of the outer shell 1, two push rods 5 are fixedly connected to the left side surface of the outer shell 1, and a push handle 6 is fixedly connected to one end, away from the outer shell 1, of each push rod 5. The staff of being convenient for promotes this tester, is convenient for remove.
Preferably, as shown in fig. 2, two sets of sliding grooves 10 are provided on the inner wall of the outer housing 1, each sliding groove 10 is slidably connected with a sliding block 12, and one end of each sliding block 12, which is close to each other, is fixedly connected with the outer surface of the tester body 203. The stability of the tester body 203 in the moving process can be effectively improved.
Working principle: when the comprehensive tester is used on site, the comprehensive tester is detached from the movable plate and taken out, if a product fails, the lower shell and the upper shell of the tester body can be detached for maintenance, after the maintenance is completed, the lower shell is buckled with the movable plate, the accommodating mechanism is connected with the movable plate, after the completion is completed, the servo motor 201 drives the threaded rod 204 to rotate, the spiral ring 207 and the threaded rod 204 are in threaded relation, the spiral ring 207 drives the two movable plates 205 to move downwards, the movable plates 205 drive the two movable plates 202 to move downwards, and the movable plates 202 drive the tester body 203 to be accommodated in the outer shell 1, so that the accommodating and protection of the tester body 203 are completed, the accommodating and protection of the tester can be effectively realized, and the damage caused by the collision of the tester is avoided.
While the preferred embodiments of the present invention have been described in detail with reference to the drawings, the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the spirit of the present invention, and these changes relate to the related art well known to those skilled in the art, which fall within the scope of the present invention.
Many other changes and modifications may be made without departing from the spirit and scope of the invention. It is to be understood that the invention is not to be limited to the specific embodiments, but only by the scope of the appended claims.
Claims (10)
1. The utility model provides a comprehensive tester is examined in fortune of transformer substation, includes shell body (1), its characterized in that: the device is characterized in that a containing mechanism (2) is arranged in the outer shell (1), the containing mechanism (2) comprises a threaded rod (204), the threaded rod (201) is rotationally connected with the inner bottom wall of the outer shell (1), a spiral ring (207) is connected to the outer surface of the threaded rod (201) in a threaded manner, two movable plates (205) are fixedly connected to the outer surface of the spiral ring (207), a movable plate (202) is fixedly connected to the right side surface of each movable plate (205), and a tester body (203) is detachably connected to the upper surface of the movable plate (202);
the tester body (203) comprises a lower shell (301) and an upper shell (302), wherein the lower shell (301) and the upper shell (302) are buckled with each other to form a whole, a positioning groove (306) is formed in the top end of the lower shell (301), a positioning strip (307) is arranged at the bottom end of the upper shell (302), the positioning strip (307) and the positioning groove (306) are embedded with each other, a heat radiation hole (303) is formed in the side end of the lower shell (301) and the side end of the upper shell (302), a front lug plate (304) is arranged at the front end of the lower shell (301) or the front end of the upper shell (302), a rear lug plate (305) is arranged at the rear end of the lower shell (301) and the rear end of the upper shell (302), a front panel (308) is arranged at the front end of the whole and fixedly connected to the rear lug plate (304), a display screen (309) and a button (310) are respectively arranged on the front panel (308), the front corners of the whole are fixedly connected to each other, and the front corners (311) are fixedly connected to each other at the rear corners (313).
2. The transformer substation operation and detection comprehensive tester according to claim 1, wherein the inner bottom wall of the outer shell (1) is fixedly connected with two sliding rods (4), the outer surface of each sliding rod (4) is slidably connected with a sliding ring (206), and one ends of the two movable plates (205) which are far away from each other are fixedly connected with the outer surfaces of the two sliding rings (206) respectively.
3. The transformer substation operation and detection comprehensive tester according to claim 2, wherein the upper surface of the outer shell (1) is fixedly connected with a servo motor (201), and an output rotating shaft of the servo motor (201) is fixedly connected with the top end of a threaded rod (204); the outer surface of the servo motor (201) is fixedly connected with two stabilizing plates (11), and the bottom surface of each stabilizing plate (11) is fixedly connected with the upper surface of the outer shell (1).
4. A substation operation and detection comprehensive tester according to any one of claims 1-3, wherein a storage plate (8) is fixedly connected to the right side surface of the tester body (203), and a stabilizer bar (3) is fixedly connected to the upper surface of the storage plate (8).
5. The transformer substation operation and detection comprehensive tester according to claim 4, wherein a base plate (9) is fixedly connected to the inner bottom wall of the outer shell (1), and the base plate (9) is located right below the movable plate (202).
6. The transformer substation operation and detection comprehensive tester according to claim 1, wherein a detection bin (315) is arranged in the tester body (203), an air pump and a sulfur hexafluoride sensor are arranged in the detection bin (315), an air inlet pipe (316) and an air outlet pipe (317) are connected to the rear end of the detection bin (315), and valves (318) are respectively arranged on the air inlet pipe (316) and the air outlet pipe (317).
7. The substation operation and detection integrated tester according to claim 6, wherein a heat radiation fan is provided inside the tester body (203), and the heat radiation fan is located inside the heat radiation hole (303).
8. The substation operation and detection integrated tester according to claim 7, wherein a front cover is rotatably connected to the front end of the front panel (308) through a hinge, a buckle is provided between the front cover and the front panel (308), and the front cover is located between the front holding angles (311).
9. The transformer substation operation and detection comprehensive tester according to claim 1, wherein two groups of universal wheels (7) are installed on the bottom surface of the outer shell (1), two push rods (5) are fixedly connected to the left side surface of the outer shell (1), and pushing handles (6) are fixedly connected to one ends, far away from the outer shell (1), of the two push rods (5).
10. The transformer substation operation and detection comprehensive tester according to claim 9, wherein two groups of sliding grooves (10) are formed in the inner wall of the outer shell (1), sliding blocks (12) are slidably connected in the sliding grooves (10), and one ends, close to each other, of the two groups of sliding blocks (12) are fixedly connected with the outer surface of the tester body (203).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311047977.4A CN116908497A (en) | 2023-08-21 | 2023-08-21 | Comprehensive tester for operation and detection of transformer substation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311047977.4A CN116908497A (en) | 2023-08-21 | 2023-08-21 | Comprehensive tester for operation and detection of transformer substation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116908497A true CN116908497A (en) | 2023-10-20 |
Family
ID=88351198
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311047977.4A Withdrawn CN116908497A (en) | 2023-08-21 | 2023-08-21 | Comprehensive tester for operation and detection of transformer substation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116908497A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117805455A (en) * | 2024-03-01 | 2024-04-02 | 国网山东省电力公司巨野县供电公司 | Comprehensive tester for operation detection of transformer substation |
-
2023
- 2023-08-21 CN CN202311047977.4A patent/CN116908497A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117805455A (en) * | 2024-03-01 | 2024-04-02 | 国网山东省电力公司巨野县供电公司 | Comprehensive tester for operation detection of transformer substation |
| CN117805455B (en) * | 2024-03-01 | 2024-05-28 | 国网山东省电力公司巨野县供电公司 | Comprehensive tester for operation detection of transformer substation |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20231020 |
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| WW01 | Invention patent application withdrawn after publication |