CN109545512B - Intelligent leakage monitoring device for oil conservator - Google Patents

Intelligent leakage monitoring device for oil conservator Download PDF

Info

Publication number
CN109545512B
CN109545512B CN201811469463.7A CN201811469463A CN109545512B CN 109545512 B CN109545512 B CN 109545512B CN 201811469463 A CN201811469463 A CN 201811469463A CN 109545512 B CN109545512 B CN 109545512B
Authority
CN
China
Prior art keywords
oil conservator
cylinder
oil
wall
intelligent
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
CN201811469463.7A
Other languages
Chinese (zh)
Other versions
CN109545512A (en
Inventor
马小兵
庄宇
王华锋
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.)
Nantong Shire Science & Technology Co ltd
Original Assignee
Nantong Shire Science & Technology 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 Nantong Shire Science & Technology Co ltd filed Critical Nantong Shire Science & Technology Co ltd
Priority to CN201811469463.7A priority Critical patent/CN109545512B/en
Publication of CN109545512A publication Critical patent/CN109545512A/en
Application granted granted Critical
Publication of CN109545512B publication Critical patent/CN109545512B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/08—Cooling; Ventilating
    • H01F27/10—Liquid cooling
    • H01F27/12—Oil cooling
    • H01F27/14—Expansion chambers; Oil conservators; Gas cushions; Arrangements for purifying, drying, or filling
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
    • G01F23/30—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats
    • G01F23/64—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats of the free float type without mechanical transmission elements
    • G01F23/72—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats of the free float type without mechanical transmission elements using magnetically actuated indicating means
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/40—Structural association with built-in electric component, e.g. fuse
    • H01F27/402—Association of measuring or protective means
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/40—Structural association with built-in electric component, e.g. fuse
    • H01F27/402—Association of measuring or protective means
    • H01F2027/404—Protective devices specially adapted for fluid filled transformers

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Housings And Mounting Of Transformers (AREA)
  • Examining Or Testing Airtightness (AREA)

Abstract

The invention relates to the technical field of oil conservator monitoring devices, in particular to an intelligent oil conservator leakage monitoring device, which comprises a transformer capsule, a first valve pipe, an oil conservator and a first valve pipe, wherein the transformer capsule is clamped at the bottom end of an inner cavity of the oil conservator along the left and right directions, the first valve pipe and a second valve pipe are respectively welded at the upper end and the lower end of the oil conservator, and a monitoring mechanism is welded at the left side of the bottom end of the oil conservator. And the monitoring accuracy can be improved.

Description

Intelligent leakage monitoring device for oil conservator
Technical Field
The invention relates to the technical field of oil conservator monitoring devices, in particular to an intelligent oil conservator leakage monitoring device.
Background
The air at the upper part of the oil surface of the oil storage cabinet is communicated with the external atmosphere through an air duct, a drying agent is placed in the air duct to reduce the moisture in the air from entering the oil storage cabinet, a precipitator is arranged at the bottom of the oil storage cabinet to precipitate the moisture and dirt invading the oil storage cabinet and remove the moisture and the dirt regularly, an oil level meter is also arranged at one end of the oil storage cabinet to observe the height of the oil surface, and when the oil quantity is insufficient due to leakage and the like, the oil is filled in time for supplement;
at present, no leakage monitoring device is arranged in domestic oil storage cabinets, once transformer oil leaks, the leakage monitoring device cannot find and process the transformer oil in time, a large amount of transformer oil can be contacted with air, the insulating property of the transformer oil is reduced, and the leakage condition cannot be observed during leakage, so that the situation is not easy to judge and follow-up processing measures are made.
Disclosure of Invention
The invention aims to provide an intelligent leakage monitoring device for an oil conservator, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention adopts the following technical scheme:
the design provides an oil conservator leakage intelligent monitoring device, includes transformer capsule, first valve pipe, oil conservator and first valve pipe, the inner chamber bottom of oil conservator has the transformer capsule along controlling the direction joint, first valve pipe and second valve pipe have been welded respectively at the upper and lower both ends of oil conservator, the welding of the bottom left side of oil conservator has monitoring mechanism.
Preferably, the monitoring mechanism includes the riser, the top and the oil conservator of riser weld mutually, flange joint has the valve on the outer wall of riser, the bottom welding of riser has the lower part intercommunication valve, the left side welding of riser has the upper portion intercommunication valve, the left end welding of upper portion intercommunication valve and lower part intercommunication valve has the input that the board level gauge was turned over to the magnetism, the left and right sides difference joint of board level gauge is turned over to the magnetism has liquid level transmitter and siren, and magnetism turns over board level gauge and liquid level transmitter and siren circuit connection, liquid level transmitter carries the monitored control system who installs at the control room with 4-20ma signal through the cable.
Preferably, the monitoring mechanism comprises a cylindrical barrel, the cylindrical barrel is welded with the oil conservator through a support rod, a vertical pipe is welded on the left side of the top end of the cylindrical barrel, the top end of the vertical pipe penetrates through the oil conservator, a valve is connected to the outer wall of the vertical pipe in a flange mode, a circular barrel is welded on the rear side of the cylindrical barrel, a touch alarm is connected to the top end of the circular barrel through a screw, a touch switch of the touch alarm extends into an inner cavity of the circular barrel and is located on the same plane with the inner wall of the circular barrel, a first cylindrical rod is axially connected to the center of the inner cavity of the cylindrical barrel in the front-rear direction, one ends of arc-shaped plates are welded on the outer wall of the first cylindrical rod at intervals of 90 degrees, the other end of the arc-shaped plate is attached to the inner wall of the cylindrical barrel, a second cylindrical rod is welded on the rear side of the first cylindrical rod, and the rear, intelligence revolution speed sensor passes through the cable and installs the monitored control system electric connection at the control room, the welding has the one end of touch panel on the outer wall of second cylinder pole, and the other end of touch panel and the inner wall of a circular section of thick bamboo contact, the bottom welding of a cylinder section of thick bamboo has the one end of connecting pipe, and the other end and the batch oil tank spiro union of connecting pipe, the left side bottom flange joint of batch oil tank has the oil drain valve.
Preferably, an observation window is reserved on the outer wall of the oil storage tank.
Preferably, the second cylindrical rod is positioned in the center of the inner cavity of the circular cylinder.
Preferably, the outer wall of the oil conservator is sprayed with a corrosion-resistant coating.
The invention has the beneficial effects that:
1. the invention realizes that leakage can be found and alarmed in time by adding the monitoring device on the oil conservator, leakage oil quantity can be observed quickly when leakage exists, and meanwhile, the invention realizes the remote monitoring function, and the leakage state of the oil conservator can be monitored in a control room.
2. The oil conservator can be monitored in real time through the monitoring device, the oil conservator is prevented from being frequently checked manually, the burden of workers is reduced, and the monitoring accuracy can be improved.
Drawings
FIG. 1 is a schematic structural diagram of a first embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a first embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a second embodiment of the present invention;
FIG. 4 is a left side sectional view of the cylindrical case according to the present invention;
fig. 5 is a schematic structural diagram of a second embodiment of the present invention.
In the figure: 1. transformer capsule, 2, first valve pipe, 3, oil conservator, 4, monitoring mechanism, 5, second valve pipe.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Embodiment 1, refer to fig. 1 and 2, an intelligent monitoring device for leakage of an oil conservator comprises a transformer capsule 1, a first valve pipe 2, an oil conservator 3 and a first valve pipe 5, wherein the transformer capsule 1 is clamped at the bottom end of an inner cavity of the oil conservator 3 along the left-right direction, an anti-corrosion coating is sprayed on the outer wall of the oil conservator 3, the anti-corrosion coating is a polytetrafluoroethylene anti-corrosion coating and can ensure that the anti-corrosion coating is not aged due to ultraviolet rays and sun and rain, the first valve pipe 2 and the second valve pipe 5 are respectively welded at the upper end and the lower end of the oil conservator 3, and a monitoring mechanism 4 is welded at the left side of the bottom end of the oil conservator 3;
monitoring mechanism 4 includes riser 401, the top and the welding of conservator 3 of riser 401 mutually, flange joint has valve 402 on the outer wall of riser 401, lower part intercommunication valve 405 has been welded to the bottom of riser 401, upper portion intercommunication valve 403 has been welded to the left side of riser 401, the input that has magnetism board level gauge 404 is welded to the left end of upper portion intercommunication valve 403 and lower part intercommunication valve 405, magnetism board level gauge 404's model is LT10, magnetism board level gauge 404's the left and right sides is the joint respectively and is had liquid level transmitter 406 and siren 407, liquid level transmitter 406's model is lpb210, siren 407's model is M378164, and magnetism board level gauge 404 and liquid level transmitter 406 and siren 407 circuit connection, liquid level transmitter 406 carries the monitored control system 408 of installing at the control room with 4-20ma signal through the cable.
The detailed connection means is a technique known in the art, and the following mainly describes the working principle and process, and the specific operation is as follows.
The working principle is as follows: when the oil tank is in operation, the upper communicating valve 403 and the lower communicating valve 405 are always in an open state, once the oil tank 3 leaks, transformer oil in the oil tank 3 enters the magnetic flip plate liquid level meter 404 through the upper communicating valve 403 and the lower communicating valve 405, a magnetic floater in a pipe of the magnetic flip plate liquid level meter 404 is changed from white to red along with the increase of the leakage amount, so that clear indication of the leakage liquid level is realized, whether the oil tank leaks and the leakage oil amount can be visually seen on site, when the magnetic flip plate liquid level meter 404 detects the leakage, a leakage alarm signal is immediately output, then the alarm 407 sounds, along with the increase of the leakage oil amount, the liquid level transmitter 406 converts the leakage oil amount into a 4-20ma signal, when the leakage oil amount reaches the preset maximum value of the magnetic flip plate liquid level meter 404, the 4-20ma signal is transmitted to the background monitoring system 408 through a cable, the function of real-time remote monitoring oil conservator 3 leakage state in the control room can be realized.
Embodiment 2, refer to fig. 2, 3, and 5, an intelligent monitoring device for leakage of an oil conservator comprises a transformer capsule 1, a first valve pipe 2, an oil conservator 3, and a first valve pipe 5, wherein the transformer capsule 1 is clamped at the bottom end of the inner cavity of the oil conservator 3 along the left-right direction, an anti-corrosion coating is sprayed on the outer wall of the oil conservator 3, the anti-corrosion coating is a polytetrafluoroethylene anti-corrosion coating which can ensure that the anti-corrosion coating is not aged due to ultraviolet rays and sun and rain, the first valve pipe 2 and the second valve pipe 5 are respectively welded at the upper end and the lower end of the oil conservator 3, and a monitoring mechanism 4 is welded at the left side of the bottom end of the oil conservator;
the monitoring mechanism 4 comprises a cylindrical barrel 41, the cylindrical barrel 41 is welded with the oil conservator 3 through a support rod, a vertical pipe 47 is welded on the left side of the top end of the cylindrical barrel 41, the top end of the vertical pipe 47 extends into the oil conservator 3, a valve 46 is connected on the outer wall of the vertical pipe 47 in a flange mode, a circular barrel 415 is welded on the rear side of the cylindrical barrel 41, a touch alarm 49 is connected to the top end of the circular barrel 415 through a screw, the type of the touch alarm 49 is GSM23, a touch switch of the touch alarm 49 extends into the inner cavity of the circular barrel 415 and is on the same plane with the inner wall of the circular barrel 415, a first cylindrical rod 43 is axially connected to the center of the inner cavity of the cylindrical barrel 41 along the front-back direction, one ends of arc-shaped plates 42 are welded on the outer wall of the first cylindrical rod 43 every 90 degrees, the other end of the arc-shaped plate 42 is attached to the inner wall of the cylindrical barrel 41, a second, the second cylindrical rod 41 is located in the center of the inner cavity of the circular cylinder 415, the rear end of the second cylindrical rod 41 extends out of the cylindrical cylinder 41 and the circular cylinder 415 to be connected with the input end of the intelligent speed sensor 413, the intelligent speed sensor 413 is of a type WZ, the intelligent speed sensor 413 is electrically connected to a monitoring system 414 installed in a control room through a cable, one end of the touch plate 412 is welded to the outer wall of the second cylindrical rod 41, and the other end of the touch plate 412 contacts with the inner wall of the circular cylinder 415, one end of the connection pipe 48 is welded to the bottom end of the cylindrical cylinder 41, the other end of the connecting pipe 48 is screwed with the oil storage tank 45, an observation window is reserved on the outer wall of the oil storage tank 45, the bottom end of the left side of the oil storage tank 45 is connected with an oil discharge valve 44 in a flange manner, the oil tank 45 can store leaked oil, and the oil drain valve 44 can drain the oil for use.
The detailed connection means is a technique known in the art, and the following mainly describes the working principle and process, and the specific operation is as follows.
Once the oil conservator 3 leaks, the transformer oil in the oil conservator 3 enters the cylindrical barrel 41 through the riser 47 and falls onto the arc plate 42, the arc plate 42 is pressed to rotate anticlockwise along with the increase of the leakage amount, the first cylindrical rod 43 drives the second cylindrical rod 41 to rotate along with the rotation of the arc plate 42, so that the second cylindrical rod 41 drives the touch plate 412 to rotate, when the touch plate 412 touches the touch switch of the touch alarm 49, the touch alarm 49 sounds to remind a worker, because the second cylindrical rod 41 is connected with the input end of the intelligent rotating speed sensor 413, the rotating speed of the second cylindrical rod 41 is displayed on the intelligent rotating speed sensor 413, because the larger the leakage amount of the transformer oil is, the faster the rotating speed of the second cylindrical rod 41 is, the leakage amount of the transformer oil can be determined according to the speed displayed on the intelligent rotating speed sensor 413, and meanwhile, the intelligent rotating speed sensor 413 transmits information to the background monitoring system 414 through a cable, the leakage state of the oil conservator 3 can be remotely monitored in real time by a control room.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims (4)

1. The utility model provides an oil conservator leakage intelligent monitoring device, includes transformer capsule (1), first valve pipe (2), oil conservator (3) and first valve pipe (5), the inner chamber bottom of oil conservator (3) has transformer capsule (1) along left right direction joint, the upper and lower both ends of oil conservator (3) have welded first valve pipe (2) and second valve pipe (5), its characterized in that respectively: the welding of the bottom left side of oil conservator (3) has monitoring mechanism (4), monitoring mechanism (4) includes a cylinder (41), the branch that passes through of cylinder (41) welds with oil conservator (3) mutually, the welding of the top left side of a cylinder (41) has riser (47), and the top of riser (47) stretches into oil conservator (3), flange joint has valve (46) on the outer wall of riser (47), the rear side welding of a cylinder (41) has a circular section of thick bamboo (415), the top screw connection of a circular section of thick bamboo (415) has touch alarm (49), and touch alarm (49)'s touch switch extends into the inner chamber of a circular section of thick bamboo (415) and on the coplanar with the inner wall of a circular section of thick bamboo (415), the inner chamber central point of a cylinder (41) has first cylinder pole (43) along the fore-and-aft direction hub connection, and the welding of every 90 degrees has the one end of arc board (42) on the outer wall of first cylinder pole (43), and the other end of arc (42) and the inner wall laminating of a cylinder (41), the rear side of first cylinder pole (43) has welded second cylinder pole (41), and second cylinder pole (41) rear end extends cylinder (41) and circular section of thick bamboo (415) and links to each other with intelligent rotational speed sensor (413)'s input, intelligent rotational speed sensor (413) pass through cable and install monitoring system (414) electric connection in the control room, the welding has the one end of touch panel (412) on the outer wall of second cylinder pole (41), and the other end of touch panel (412) contacts with the inner wall of circular section of thick bamboo (415), the welding has the one end of connecting pipe (48) in the bottom of cylinder section of thick bamboo (41), and the other end and the oil storage tank (45) spiro union of connecting pipe (48), the left side bottom flange joint of oil storage tank (45) has oil drain valve (44).
2. The intelligent leakage monitoring device for the oil conservator as claimed in claim 1, wherein: an observation window is reserved on the outer wall of the oil storage tank (45).
3. The intelligent leakage monitoring device for the oil conservator as claimed in claim 1, wherein: the second cylindrical rod (410) is positioned in the center of the inner cavity of the circular cylinder (415).
4. The intelligent leakage monitoring device for the oil conservator as claimed in claim 1, wherein: the outer wall of the oil storage cabinet (3) is sprayed with a corrosion-resistant coating.
CN201811469463.7A 2018-11-28 2018-11-28 Intelligent leakage monitoring device for oil conservator Active CN109545512B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811469463.7A CN109545512B (en) 2018-11-28 2018-11-28 Intelligent leakage monitoring device for oil conservator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811469463.7A CN109545512B (en) 2018-11-28 2018-11-28 Intelligent leakage monitoring device for oil conservator

Publications (2)

Publication Number Publication Date
CN109545512A CN109545512A (en) 2019-03-29
CN109545512B true CN109545512B (en) 2020-11-17

Family

ID=65853482

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201811469463.7A Active CN109545512B (en) 2018-11-28 2018-11-28 Intelligent leakage monitoring device for oil conservator

Country Status (1)

Country Link
CN (1) CN109545512B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109966050A (en) * 2019-04-25 2019-07-05 温建娟 A kind of cranium brain perfusion cooling carrying case

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1783796A3 (en) * 2005-11-07 2008-09-10 ABB Sp.zo.o. Control sensor for devices filled with dielectric liquid, especially transformers
CN103122862A (en) * 2013-01-29 2013-05-29 武汉船用机械有限责任公司 Liquid leakage monitoring device
CN103528644A (en) * 2012-10-31 2014-01-22 洛阳华明变压器有限公司 Large-scale oil level monitoring system for converter transformer

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61128506A (en) * 1984-11-28 1986-06-16 Mitsubishi Electric Corp Oil-filled electrical apparatus
EP2732266B1 (en) * 2011-07-11 2015-06-24 ABB Technology AG Optics sensor structure for detecting water or oil leakage inside a conservator having having a bladder or membrane
CN204730915U (en) * 2015-06-26 2015-10-28 上海凡宜科技电子有限公司 Magnetostriction oil level indicator
CN204903094U (en) * 2015-08-11 2015-12-23 中国西电电气股份有限公司 Capsule monitor for transformer
CN207381233U (en) * 2017-08-02 2018-05-18 特变电工集团衡阳电气装备有限公司 A kind of outer oily vertical metal bellow oil conservator
CN207966674U (en) * 2018-02-27 2018-10-12 南通世睿电力科技有限公司 A kind of novel electric power transformer oil storage measuring oil level using intelligence sensor

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1783796A3 (en) * 2005-11-07 2008-09-10 ABB Sp.zo.o. Control sensor for devices filled with dielectric liquid, especially transformers
CN103528644A (en) * 2012-10-31 2014-01-22 洛阳华明变压器有限公司 Large-scale oil level monitoring system for converter transformer
CN103122862A (en) * 2013-01-29 2013-05-29 武汉船用机械有限责任公司 Liquid leakage monitoring device

Also Published As

Publication number Publication date
CN109545512A (en) 2019-03-29

Similar Documents

Publication Publication Date Title
CN204143267U (en) Non-contact type magnetic inductive water level controller
CN109545512B (en) Intelligent leakage monitoring device for oil conservator
CN203551031U (en) Cable trench water level monitoring and alarming system of transformer substation
CN204270163U (en) A kind of Lian Zha factory is for auxiliary workshop settling basin water level automatic control device
CN201589646U (en) Water level and temperature induction meter
CN207130869U (en) Pump house overflow alarming and protection system
CN216593607U (en) Intelligent water meter with water leakage alarm function
CN201823218U (en) Novel low-frequency automatic inspection system of fire-fighting pump
CN205134434U (en) Reliable frequency constant -voltage water supply system
CN202676246U (en) Water pot liquid level indication controlling device
CN107763302A (en) A kind of valve mechanism for monitoring and irrigation system
CN210346975U (en) Pressure transmitter
CN205998991U (en) A kind of styrene discharge system
CN209705381U (en) A kind of intelligent regulating valve
CN102854899A (en) Water tower water level monitoring system
CN206768757U (en) A kind of reservoir spillway gate monitoring device
CN208297996U (en) A kind of intelligent control life pump house
CN208919551U (en) A kind of fire water-supply plastics coated tube
CN207815690U (en) A kind of unattended container-type gas fired-boiler unit
CN204964129U (en) Condenser leak detection device of watering
CN207264791U (en) A kind of dual measuring device of liquid level
CN205898258U (en) Frost prevention type magnetism floats level gauge
CN204388648U (en) A kind of cooling tower automatic water replenishing system
CN205369365U (en) Ground waterflooding protection system
CN203534755U (en) Liquid level type pipeline pressure detecting device

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
CB03 Change of inventor or designer information

Inventor after: Ma Xiaobing

Inventor after: Zhuang Yu

Inventor after: Wang Huafeng

Inventor before: Ma Xiaobing

Inventor before: Zhuang Yu

Inventor before: Wang Huafeng

CB03 Change of inventor or designer information
GR01 Patent grant
GR01 Patent grant