CN220190276U - Intelligent power distribution monitoring device for power distribution substation - Google Patents
Intelligent power distribution monitoring device for power distribution substation Download PDFInfo
- Publication number
- CN220190276U CN220190276U CN202321705242.1U CN202321705242U CN220190276U CN 220190276 U CN220190276 U CN 220190276U CN 202321705242 U CN202321705242 U CN 202321705242U CN 220190276 U CN220190276 U CN 220190276U
- Authority
- CN
- China
- Prior art keywords
- power distribution
- shell
- monitoring device
- intelligent power
- heat dissipation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000012806 monitoring device Methods 0.000 title claims abstract description 24
- 230000017525 heat dissipation Effects 0.000 claims abstract description 50
- 230000007246 mechanism Effects 0.000 claims abstract description 40
- 239000000523 sample Substances 0.000 claims abstract description 9
- 238000009423 ventilation Methods 0.000 claims description 15
- 238000003466 welding Methods 0.000 claims description 6
- 238000001816 cooling Methods 0.000 claims description 3
- 241000883990 Flabellum Species 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 23
- 238000012544 monitoring process Methods 0.000 abstract description 15
- 230000000694 effects Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 210000001503 joint Anatomy 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The utility model discloses an intelligent power distribution monitoring device for a power distribution substation, which particularly relates to the field of power distribution monitoring, and comprises a shell, wherein the inner bottom wall of the shell is fixedly connected with a sliding rail, the top of the sliding rail is connected with a limit screw, the top of the sliding rail is penetrated with a heat dissipation mechanism, the inner top wall of the shell is fixedly connected with a monitoring probe, after the fixing is finished, when height adjustment is needed, a hydraulic push rod is used for carrying out height adjustment work, after the adjustment is finished, the heat dissipation mechanism drives air to circulate in the shell, the intelligent power distribution cabinet inside the shell carries out heat dissipation work in the circulation process, meanwhile, the monitoring probe carries out real-time monitoring work on the condition in the shell, when the intelligent power distribution monitoring device is used, the air in the shell can be effectively driven to circulate through a plurality of heat dissipation mechanisms, and when the intelligent power distribution monitoring device is used, the condition that the volume in the shell is large can be effectively avoided when the intelligent power distribution monitoring device only drives a part of air to circulate can be effectively avoided.
Description
Technical Field
The utility model relates to the technical field of power distribution monitoring, in particular to an intelligent power distribution monitoring device for a power distribution substation.
Background
The distribution is a link directly connected with a user and distributing electric energy to the user in a power system, and the distribution system consists of a distribution substation, a high-voltage distribution line, a distribution transformer, a low-voltage distribution line and corresponding control protection equipment, wherein the distribution system consists of the distribution substation (which generally reduces the transmission voltage of a power grid to distribution voltage), the high-voltage distribution line (i.e. voltage above 1 kilovolt), the distribution transformer, the low-voltage distribution line (voltage below 1 kilovolt) and the corresponding control protection equipment. The distribution voltage is typically 35-60 kv, 3-10 kv, etc.
Through searching, the prior patent (publication number: CN 214755068U) discloses an intelligent power distribution monitoring device for a power distribution substation, which comprises a power distribution substation shell, wherein a power distribution cabinet is arranged in the power distribution substation shell, a cooling fan is arranged on the right side surface of the power distribution substation shell, an alarm is arranged on the upper surface of the power distribution substation shell, a monitoring shell is fixedly connected to the inner wall of the top of the power distribution substation shell, a movable cavity is formed in the monitoring shell, a first magnet is embedded on the lower surface of the monitoring shell, and a second magnet is slidably connected in the movable cavity. This an intelligent power distribution monitoring device for distribution substation when reaching certain temperature in the distribution substation, the opening of radiator fan of push type switch control different quantity or the opening of alarm, opens corresponding mechanism according to the temperature variation in the distribution substation shell for reach the optimization to the radiating effect in the distribution substation, prevented that the heat from gathering and caused the influence to electrical components in the distribution substation, ensured electrical components's life. The inventors found that the following problems exist in the prior art in the process of implementing the present utility model: the traditional distribution substation is large in area, the air circulation is not ideal enough when the heat dissipation is carried out, the linkage of the air circulation and the adjustment effect of the heat dissipation position are not convenient enough when the heat dissipation work is carried out, and the time and the labor are wasted when the adjustment is carried out;
accordingly, an intelligent power distribution monitoring device for a power distribution substation is proposed in view of the above problems.
Disclosure of Invention
(one) solving the technical problems
Aiming at the defects of the prior art, the utility model aims to provide an intelligent power distribution monitoring device for a power distribution substation, which has the advantage of convenient adjustment.
(II) technical scheme
The utility model provides the following technical scheme for realizing the purpose, and the technical scheme adopted by the intelligent power distribution monitoring device for the power distribution substation is as follows: the device comprises a shell, wherein the inner bottom wall of the shell is fixedly connected with a sliding rail;
the top of slide rail is connected with the spacing screw, the top of slide rail runs through there is cooling mechanism, the interior roof fixedly connected with control probe of shell.
As an optimal scheme, the heat dissipation mechanism is a sliding structure formed between the sliding rail and the shell, and the sliding rail is a limiting structure formed between the limiting screw and the heat dissipation mechanism.
As the preferred scheme, one side fixedly connected with hinge of shell, and the outer wall fixed connection ventilation board of hinge, and the ventilation board passes through the hinge with constitute revolution mechanic between the shell, one side fixed connection buckle of shell, the shell pass through the buckle with constitute limit structure between the ventilation board.
As the preferable scheme, the heat dissipation mechanism comprises a bolt positioned at the top of the sliding rail, the bottom of the bolt is provided with a thread groove, and the bolt forms a thread meshing structure through the thread groove and the limit screw.
As the preferred scheme, the top fixed connection hydraulic push rod of bolt, and the top fixed connection rectangle piece of hydraulic push rod, and the rectangle piece passes through hydraulic push rod with constitute elevation structure between the bolt, the top fixed connection of rectangle piece has the quick-witted case, the axis of rectangle piece sets up with the axis coincidence of quick-witted case, the positive and negative two army fixed connection guard plate of machine case, and the ventilation groove is seted up to one side of guard plate.
As a preferable scheme, the case comprises a panel positioned at the top of the rectangular block, the inner side wall of the panel is fixedly connected with the supporting plate, and an integrated structure is formed between the panel and the supporting plate through welding.
As the preferential scheme, servo motor is connected to the back of backup pad, and servo motor's output shaft runs through the back of backup pad is connected the dwang, and the one end fixed connection flabellum of dwang, servo motor with constitute integrated structure through the welding between the backup pad.
As the preferred scheme, the slide rail is including being located the rail body of diapire in the shell, and the spacing groove is seted up at the top of rail body, the spout is seted up at the top of rail body, the axis of rail body and the axis coincidence setting of spout.
(III) beneficial effects
Compared with the prior art, the utility model provides an intelligent power distribution monitoring device for a power distribution substation, which has the following beneficial effects.
According to the utility model, when the intelligent power distribution cabinet is in operation, the servo motor is started firstly, the rotary rod is driven to rotate in the operation process, the fan blades are driven to synchronously rotate in the rotation process, air circulation is driven to carry out heat dissipation operation in the rotation process, then when the position of the intelligent power distribution cabinet is required to be adjusted, the limit screw is rotated anticlockwise firstly to cancel the limit effect on the bolt, the limit screw is rotated clockwise to be in threaded engagement with the bolt after the intelligent power distribution cabinet is moved to a specified position, the slide rail is clamped and fixed in the engagement process, when the height adjustment is required after the fixing is finished, the hydraulic push rod is used for carrying out the height adjustment operation, the heat dissipation mechanism drives air circulation in the shell after the adjustment is finished, the intelligent power distribution cabinet in the shell carries out heat dissipation operation in the circulation process, the monitoring probe is used for carrying out real-time monitoring operation on the condition in the shell, when the intelligent power distribution cabinet is used, the air circulation operation in the shell can be effectively driven through a plurality of heat dissipation mechanisms, when the internal volume of the shell is large can be effectively avoided, a part of air circulation condition can only be driven by a single heat dissipation mechanism, when the whole air inside the shell can be effectively driven, and the whole air circulation operation in the shell can be uniformly cooled in the use, and the whole air circulation operation can be carried out in the heat dissipation operation.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic diagram of a heat dissipation mechanism according to the present utility model;
FIG. 3 is a schematic diagram of a chassis according to the present utility model;
fig. 4 is a schematic view of a sliding rail structure according to the present utility model.
In the figure: 1. a housing;
2. a hinge;
3. a ventilation board;
4. a buckle;
5. a slide rail; 51. a rail body; 52. a limit groove; 53. a chute;
6. a limit screw;
7. a heat dissipation mechanism; 71. a chassis; 711. a panel; 712. a servo motor; 713. a support plate; 714. a rotating rod; 715. a fan blade; 72. a protection plate; 73. a ventilation groove; 74. rectangular blocks; 75. a hydraulic push rod; 76. a plug pin; 77. a thread groove;
8. and monitoring the probe.
Detailed Description
Embodiments of the present utility model are described in further detail below with reference to the accompanying drawings and examples. The following examples are illustrative of the utility model but are not intended to limit the scope of the utility model.
In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front," "rear," "head," "tail," and the like are used as an orientation or positional relationship based on that shown in the drawings, merely to facilitate description of the utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the utility model. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "connected," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
Referring to fig. 1, the present utility model: the utility model provides an intelligent power distribution monitoring device for distribution post, which comprises an outer shell 1, the interior bottom wall fixedly connected with slide rail 5 of shell 1, the top of slide rail 5 is connected with spacing screw 6, the top of slide rail 5 is run through and is had heat dissipation mechanism 7, the interior roof fixedly connected with control probe 8 of shell 1, heat dissipation mechanism 7 constitutes sliding structure through between slide rail 5 and the shell 1, slide rail 5 constitutes limit structure through between spacing screw 6 and the heat dissipation mechanism 7, one side fixedly connected with hinge 2 of shell 1, and the outer wall fixed connection ventilating board 3 of hinge 2, and ventilating board 3 constitutes revolution mechanic through between hinge 2 and the shell 1, one side fixed connection buckle 4 of shell 1, constitute limit structure through between buckle 4 and the ventilating board 3, shell 1.
Wherein: when working, firstly, the heat dissipation mechanism 7 sequentially passes through the slide rail 5 to be supported, in the supporting process, the limit screw 6 passes through the slide rail 5 to be in butt joint with the heat dissipation mechanism 7, after moving to a specified position, the limit screw 6 is rotated clockwise to fix the heat dissipation mechanism 7 on the slide rail 5, then the heat dissipation mechanism 7 is started to drive the air in the shell 1 to circulate, when the heat dissipation mechanism 7 is installed, the corresponding quantity of heat dissipation mechanisms 7 are selected according to the temperature and the area size in the shell 1 to be installed, wind power drives the air to circulate from one end of the shell 1 to the other end of the shell 1 after the heat dissipation mechanism 7 is started, then the limit effect of the shell 1 on the ventilation plate 3 is eliminated by rotating the buckle 4 between the two ends when maintenance is needed, and then the shell 1 is opened by rotating the ventilation plate 3 by using the hinge 2 to carry out maintenance work.
Referring to fig. 1, fig. 2 and fig. 3, an intelligent power distribution monitoring device for a power distribution substation, the heat dissipation mechanism 7 includes a plug 76 located at the top of the slide rail 5, and a thread groove 77 is formed at the bottom of the plug 76, the plug 76 forms a thread engagement structure with the limit screw 6 through the thread groove 77, the top of the plug 76 is fixedly connected with a hydraulic push rod 75, the top of the hydraulic push rod 75 is fixedly connected with a rectangular block 74, and the rectangular block 74 forms a lifting structure with the plug 76 through the hydraulic push rod 75, the top of the rectangular block 74 is fixedly connected with a machine case 71, the central axis of the rectangular block 74 is overlapped with the central axis of the machine case 71, the front and back sides of the machine case 71 are fixedly connected with a protection plate 72, one side of the protection plate 72 is provided with a ventilation groove 73, the machine case 71 includes a panel 711 located at the top of the rectangular block 74, the inner side wall of the panel 711 is fixedly connected with a support plate 713, the panel 711 and the support plate 713 form an integrated structure through welding, the back of the support plate 713 is fixedly connected with a servo motor, and the output shaft of the servo motor 712 penetrates the back of the support plate 713 to the rotation rod 714, one end of the rotation rod 714 is fixedly connected with a fan blade 715, and the integrated structure is formed through welding between the servo motor 712 and the support plate 713.
Wherein: when the intelligent power distribution cabinet is in operation, the servo motor 712 is started firstly, the rotary rod 714 is driven to rotate in the operation process, the fan blade 715 is driven to synchronously rotate in the rotation process of the rotary rod 714, air circulation is driven to perform heat dissipation operation in the rotation process, then the limit screw 6 is rotated anticlockwise firstly to cancel the limit effect on the bolt 76 when the position needs to be adjusted, the limit screw 6 is rotated clockwise to be in threaded engagement with the bolt 76 after the position needs to be moved to a specified position, the slide rail 5 is clamped and fixed in the engagement process, the hydraulic push rod 75 is used for performing height adjustment operation when the height adjustment is needed after the fixing is finished, the heat dissipation mechanism 7 is driven to perform heat dissipation operation in the shell 1 after the adjustment, and the intelligent power distribution cabinet in the shell 1 is in heat dissipation operation in the circulation process, and the monitoring probe 8 is used for performing real-time monitoring operation on the condition in the shell 1.
Referring to fig. 1 and 4, an intelligent power distribution monitoring device for a power distribution substation, a sliding rail 5 includes a rail body 51 located at an inner bottom wall of a housing 1, a limit groove 52 is formed at a top of the rail body 51, a sliding groove 53 is formed at a top of the rail body 51, and a central axis of the rail body 51 is overlapped with a central axis of the sliding groove 53.
Wherein: when the adjustment work is carried out, the heat dissipation mechanism 7 slides on the sliding groove 53 at the top of the sliding rail 5 to adjust the position, the limit screw 6 synchronously slides on the limit groove 52 in the sliding process, the limit screw 6 rotates clockwise to be in threaded engagement with the heat dissipation mechanism 7 after sliding to the designated position, and the rail body 51 is clamped and fixed in the engagement process.
The working principle of the utility model is that; when working, firstly, the heat dissipation mechanism 7 sequentially passes through the slide rail 5 to be supported, in the supporting process, the limit screw 6 passes through the slide rail 5 to be in butt joint with the heat dissipation mechanism 7, after moving to a specified position, the limit screw 6 is rotated clockwise to fix the heat dissipation mechanism 7 on the slide rail 5, then the heat dissipation mechanism 7 is started to drive the air in the shell 1 to circulate, when the heat dissipation mechanism 7 is started, the corresponding quantity of the heat dissipation mechanisms 7 are selected according to the temperature and the area size in the shell 1 to be installed, after the heat dissipation mechanism 7 is started, wind drives the air to circulate from one end of the shell 1 to the other end of the shell 1, then the buckle 4 is rotated between the two ends of the shell 1 to cancel the limit effect of the shell 1 on the ventilation plate 3, then the hinge 2 is used for rotating the ventilation plate 3 to open the shell 1 to carry out maintenance work, when working, the servo motor 712 is started at first, the servo motor 712 drives the rotary rod 714 to rotate in the running process, the rotary rod 714 drives the fan blade 715 to synchronously rotate in the rotating process, the air circulation is driven to perform heat dissipation work in the rotating process, then the limit screw 6 is firstly rotated anticlockwise to cancel the limit effect on the bolt 76 when the position needs to be adjusted, the limit screw 6 is rotated clockwise to be in threaded engagement with the bolt 76 after moving to the designated position, the slide rail 5 is clamped and fixed in the engaging process, the hydraulic push rod 75 is used for performing height adjustment work when the height adjustment is needed after the fixing is finished, the heat dissipation mechanism 7 drives the air circulation in the shell 1 after the adjustment is finished, the intelligent power distribution cabinet in the shell 1 is subjected to heat dissipation work in the circulation process, the monitoring probe 8 is used for performing real-time monitoring work on the condition in the shell 1, when the adjustment work is carried out, the heat dissipation mechanism 7 slides on the sliding groove 53 at the top of the sliding rail 5 to adjust the position, the limit screw 6 synchronously slides on the limit groove 52 in the sliding process, the limit screw 6 rotates clockwise to be in threaded engagement with the heat dissipation mechanism 7 after sliding to the designated position, and the rail body 51 is clamped and fixed in the engagement process.
Finally, it should be noted that the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the scope of the present utility model, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made to the technical solution of the present utility model without departing from the spirit and scope of the technical solution of the present utility model.
Claims (8)
1. An intelligent power distribution monitoring device for a power distribution substation, comprising a shell (1), and being characterized in that: the inner bottom wall of the shell (1) is fixedly connected with a sliding rail (5);
the top of slide rail (5) is connected with spacing screw (6), the top of slide rail (5) runs through has cooling machanism (7), interior roof fixedly connected with control probe (8) of shell (1).
2. An intelligent power distribution monitoring device for a power distribution substation as claimed in claim 1, wherein: the heat dissipation mechanism (7) is of a sliding structure between the sliding rail (5) and the shell (1), and the sliding rail (5) is of a limiting structure between the heat dissipation mechanism (7) and the limiting screw (6).
3. An intelligent power distribution monitoring device for a power distribution substation as claimed in claim 1, wherein: one side fixedly connected with hinge (2) of shell (1), and outer wall fixed connection ventilation board (3) of hinge (2), and ventilation board (3) pass through hinge (2) with constitute revolution mechanic between shell (1), one side fixed connection buckle (4) of shell (1), shell (1) pass through buckle (4) with constitute limit structure between ventilation board (3).
4. An intelligent power distribution monitoring device for a power distribution substation as claimed in claim 1, wherein: the heat dissipation mechanism (7) comprises a bolt (76) positioned at the top of the sliding rail (5), a thread groove (77) is formed in the bottom of the bolt (76), and the bolt (76) and the limit screw (6) form a thread meshing structure through the thread groove (77).
5. An intelligent power distribution monitoring device for a power distribution substation as claimed in claim 4, wherein: the hydraulic lifting device is characterized in that a hydraulic push rod (75) is fixedly connected to the top of a bolt (76), a rectangular block (74) is fixedly connected to the top of the hydraulic push rod (75), the rectangular block (74) passes through the hydraulic push rod (75) and the bolt (76) form a lifting structure, a case (71) is fixedly connected to the top of the rectangular block (74), the central axis of the rectangular block (74) is overlapped with the central axis of the case (71), a protection plate (72) is fixedly connected to the front surface and the back surface of the case (71), and a ventilation groove (73) is formed in one side of the protection plate (72).
6. An intelligent power distribution monitoring device for a power distribution substation as claimed in claim 5, wherein: the case (71) comprises a panel (711) positioned at the top of the rectangular block (74), the inner side wall of the panel (711) is fixedly connected with a supporting plate (713), and an integrated structure is formed between the panel (711) and the supporting plate (713) through welding.
7. An intelligent power distribution monitoring device for a power distribution substation as claimed in claim 6, wherein: the back fixed connection servo motor (712) of backup pad (713), and the output shaft of servo motor (712) runs through back connection dwang (714) of backup pad (713), and the one end fixed connection flabellum (715) of dwang (714), servo motor (712) with constitute integrated structure through the welding between backup pad (713).
8. An intelligent power distribution monitoring device for a power distribution substation as claimed in claim 1, wherein: the sliding rail (5) comprises a rail body (51) positioned at the inner bottom wall of the shell (1), a limiting groove (52) is formed in the top of the rail body (51), a sliding groove (53) is formed in the top of the rail body (51), and the central axis of the rail body (51) is overlapped with the central axis of the sliding groove (53).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321705242.1U CN220190276U (en) | 2023-07-03 | 2023-07-03 | Intelligent power distribution monitoring device for power distribution substation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321705242.1U CN220190276U (en) | 2023-07-03 | 2023-07-03 | Intelligent power distribution monitoring device for power distribution substation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220190276U true CN220190276U (en) | 2023-12-15 |
Family
ID=89102055
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321705242.1U Active CN220190276U (en) | 2023-07-03 | 2023-07-03 | Intelligent power distribution monitoring device for power distribution substation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220190276U (en) |
-
2023
- 2023-07-03 CN CN202321705242.1U patent/CN220190276U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN220190276U (en) | Intelligent power distribution monitoring device for power distribution substation | |
| CN215497663U (en) | Well advance a servo control cabinet convenient to heat dissipation | |
| CN208190078U (en) | One kind can radiate and line concentration type power switch cabinet | |
| CN213071913U (en) | Power distribution cabinet convenient to arrange and radiate | |
| CN213717423U (en) | Box-type substation | |
| CN211088771U (en) | Weak current forceful electric power switch board for municipal building | |
| CN220821246U (en) | Heat radiation structure in transformer cabinet | |
| CN208806522U (en) | A kind of lighting distribution box with heat sinking function | |
| CN209786494U (en) | high-low voltage switch cabinet of rotation type safety ring protects | |
| CN214545248U (en) | High heat dissipation type mixing stock ground unmanned switch board | |
| CN111628426A (en) | Intelligent substation with mobile cooling system | |
| CN211605703U (en) | Small-size cubical switchboard with illumination function | |
| CN220570162U (en) | Geographical type transformer box for wind power generation | |
| CN220324979U (en) | Fire control power with radiating effect | |
| CN213144800U (en) | Turbine fan blade type cooling fan | |
| CN217589913U (en) | Rail transit electric control cabinet based on distributed power distribution terminal | |
| CN220209737U (en) | Box-type substation cooling device | |
| CN214478961U (en) | Multifunctional power distribution cabinet | |
| CN219477389U (en) | Fixed bolster is used in power equipment installation | |
| CN220585824U (en) | Strong and weak electricity block terminal | |
| CN216312467U (en) | Box-type substation with efficient heat dissipation | |
| CN219041206U (en) | High-efficient heat dissipation formula high-voltage ring main unit | |
| CN218334922U (en) | Electric control cabinet cooling device | |
| CN219512910U (en) | Gas-insulated voltage transformer cabinet | |
| CN220544580U (en) | Box-type fixed metal incoming cabinet |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |