CN206748447U - A kind of Intelligent Mobile Robot - Google Patents

A kind of Intelligent Mobile Robot Download PDF

Info

Publication number
CN206748447U
CN206748447U CN201720438310.0U CN201720438310U CN206748447U CN 206748447 U CN206748447 U CN 206748447U CN 201720438310 U CN201720438310 U CN 201720438310U CN 206748447 U CN206748447 U CN 206748447U
Authority
CN
China
Prior art keywords
chip removal
plate
mobile robot
intelligent mobile
robot according
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.)
Expired - Fee Related
Application number
CN201720438310.0U
Other languages
Chinese (zh)
Inventor
钱平
徐街明
林磊
胡俊华
张永
陈志伟
徐晓敏
沈继中
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.)
State Grid Zhejiang Electric Power Co Ltd
Zhejiang Huayun Information Technology Co Ltd
Zhejiang Guozi Robot Technology Co Ltd
Original Assignee
State Grid Zhejiang Electric Power Co Ltd
Zhejiang Huayun Information Technology Co Ltd
Zhejiang Guozi Robot 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 State Grid Zhejiang Electric Power Co Ltd, Zhejiang Huayun Information Technology Co Ltd, Zhejiang Guozi Robot Technology Co Ltd filed Critical State Grid Zhejiang Electric Power Co Ltd
Priority to CN201720438310.0U priority Critical patent/CN206748447U/en
Application granted granted Critical
Publication of CN206748447U publication Critical patent/CN206748447U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Manipulator (AREA)

Abstract

A kind of Intelligent Mobile Robot, is related to robot field;Existing crusing robot, in night inspection, it is difficult to detect the less barrier of volume ratio, cause vibrating pictures, influence the judgement of breakdown judge system.The utility model includes body, located at intrinsic control device, the image acquisition device electrically connected with control device, radio transmitting device and running gear, described body front end is provided with the chip removal device for being used for arranging preceding object clast, described radio transmitting device includes wireless transmission trunk device, and wireless transmission trunk device is located at this body side surface.The technical program can easily exclude the clast in direction of advance, crusing robot is stablized and move ahead, while wireless transmission trunk device can also be opened when wireless connection is weaker, ensure the unobstructed of wireless connection.

Description

A kind of Intelligent Mobile Robot
Technical field
It the utility model is related to robot field;Especially a kind of Intelligent Mobile Robot.
Background technology
Conventional power industry is directed to the inspection of outside transformer substation equipment, using manual inspection operating type, high pressure, The bad weather condition such as super-pressure and rain, snow, mist descends, and not only endangers the inherently safe of patrol officer, while power grid security is transported Row also brings certain hidden danger, often because that can not understand the failure of equipment appearance in time, and loses the chance overhauled in advance.
Go the rounds mode to solve the above problems and take into account transformer station, refer to robot technology, develop transformer station Intelligent inspection robot product.Intelligent Mobile Robot is collection multi-sensor fusion technology, electromagnetic compatibility technology, navigation and rule The technology of drawing, robot vision, security and guard technology, the Radio Transmission Technology of magnanimity information are in the compound movement system of one.Survey monitor Device people can carry out temperature detection by thermal infrared imager to electrical equipment, equipment tie point and power circuit, pass through video camera Detection is identified to hanging foreign matter in the abnormal appearance and circuit of operational outfit, the data collected by sound collector pass through By wireless network transmissions to background computer data are carried out with the running situation that data analysis determines equipment.
Existing crusing robot is equipped with special obstacle avoidance system mostly, can it is obstructed on front road in the case of Voluntarily adjustment position and find route.But some shortcomings are still had, because crusing robot is in order at night pair mostly Transformer station is maked an inspection tour, and transformer station does not have special cleanup crew to be cleaned if night, if occurred on road broken The clast such as stone or tree branches, the advance of crusing robot can be impacted, because obstacle avoidance system generally can not The less barrier of such volume ratio is monitored, crusing robot can cause vibrating pictures etc. directly from clast if Problem, and then influence the judgement of breakdown judge system.
Meanwhile existing robot mostly transmits the vision signal collected using the mode being wirelessly transferred in real time Being handled into central control computer, wifi is medium as a kind of coverage, the fast communication of network transfer speeds, It is extremely suitable for use on crusing robot, but because many equipment are all metal shells in transformer station, wireless signal can be made Into larger barrier, particularly in some corners, it is likely that because poor signal causes transmission of video interim card or even interrupted.
Utility model content
The technical problems to be solved in the utility model and propose technical assignment be to prior art carry out improve with Improve, there is provided a kind of Intelligent Mobile Robot, for the purpose of realizing chip removal and lifting wireless signal concatenation ability.Therefore, this Utility model takes following technical scheme.
A kind of Intelligent Mobile Robot, including body, electrically connect located at intrinsic control device, with control device Image acquisition device, radio transmitting device and running gear, described body front end, which is provided with, to be used to arrange preceding object clast Chip removal device, described radio transmitting device include one be used for raising radio transmission device signal concatenation ability wireless biography Defeated repeater, described wireless transmission trunk device are located at this body side surface.When crusing robot runs into rubble, rubbish during advance When the clast such as rubbish or branches and leaves, it may not be necessary to halt, clast can be moved by chip removal device to both sides, without Running gear can be influenceed, can avoid making crusing robot produce vibrations because of the collision of clast and running gear, cause shadow Image blur as captured by harvester;In addition, in the case where wireless signal is faint, wireless transmission trunk can be discharged Device, promotion signal intensity, to ensure the unobstructed of network connection between crusing robot and central control computer.
As further improving and supplementing to above-mentioned technical proposal, it is special that the utility model also includes following supplementary technology Sign.
Chip removal device is connected by the front end of link and body, and chip removal device includes one piece of chip removal bottom plate and pressure sensing Device, described chip removal bottom plate are connected to link front bottom end, and described pressure sensor is located at chip removal bottom plate upper front end, pressure Force snesor electrically connects with the signal picker port of control device.The compression of chip removal device can be perceived by pressure sensor Situation, in order to which control device makes corresponding forward chip removal, deviation movement, the judgement for retreating or detouring.
Described chip removal bottom plate is the symmetrical isosceles triangle plate kept flat, before the base of triangular plate and link End connection, the top of described chip removal bottom plate are provided with chip removal plate, and the side of chip removal plate two is connected with the waist edges such as 2 of chip removal bottom plate, row Sagittal low early and high after crest line is provided among bits plate, forms triangular pyramid structure, rear end and the link front end of chip removal plate Face connects, and chip removal plate contacts with pressure sensor for zero pressure.By the chip removal plate of triangular pyramid structure, move ahead and touch in robot During to clast, clast can move from crest line to both sides, and chip removal plate contacts with the zero pressure of pressure sensor can be really anti- Present pressure condition of the chip removal plate by clast.
This described body side surface is additionally provided with the receiver for storing wireless transmission trunk device, is provided with body and is used to drive The storage drive mechanism of receiver, described storage drive mechanism can drive receiver to move up and down.By to the upper of receiver The driving of lower movement, it is easy to discharge and stores wireless transmission trunk device.
The side of the wireless transmission trunk device is provided with a shift knob, is set in wireless transmissions after the bottom of device There is a cushion pad.Manually opened and close when shift knob is easy to need, the setting of cushion pad is easy to robot highly not Flat road surface prevents the collision of wireless transmission trunk device and earth bulge thing when moving ahead.
Described storage drive mechanism includes the servomotor being arranged on this structure base board, and the output shaft of servomotor is upward Set, be fixedly connected with leading screw on output shaft, nut be arranged with the leading screw, nut is fixedly connected with supporting table, supporting table On be fixedly installed a hollow connecting rod, the connecting rod is fixedly connected with receiver after being passed from the side wall of body, It is additionally provided with a cylinder in supporting table, the output end of cylinder is fixedly connected with a connecting shaft, and described connecting shaft is from connection Pass through and extend into inside receiver in bar, a crawl plate, described servo electricity are further fixedly arranged in connection the tip of the axis Machine and cylinder electrically connect with control device respectively.Leading screw is driven by servomotor, crawl plate is driven by cylinder, can be facilitated Realize receiver promptly and move up and down.
Described image acquisition device is rotatably connected at the top of body by rotatable platform.Before being easy to complete observation Side and the pavement behavior of side.
Described image acquisition device includes the video camera and 2 light compensating lamps being set up in parallel, and described video camera is starlight Level video camera, described 2 light compensating lamps are respectively white light light compensating lamp and infrared light compensating lamp.Starlight level video camera, white light light compensating lamp It is easy to the image collection at night with infrared light compensating lamp.
The body portion is additionally provided with an infrared distance sensor, and the signal of infrared distance sensor and control device is adopted Storage port is electrically connected, and the sensing window of infrared distance sensor is opened on the body front end face that link is connected.Pass through Towards the sensing window in front, infrared distance sensor can easily detect the object obstacle in front, and result is fed back to Control device, it is easy to control device to judge.
Described link includes 2 pieces of low early and high after trapezoidal plates and is connected to the fixed plate of 2 pieces of trapezoidal front edge of board, described Fixed plate height less than sensing window it is lower along position.By low early and high after link, and sense the lower edge of window Position is higher than the fixation Board position of link front end, is easy to the forward looking detection of infrared distance sensor.
Beneficial effect:The clast in direction of advance can be easily excluded, crusing robot is stablized and moves ahead, together When wireless transmission trunk device can also be opened when wireless connection is weaker, ensure the unobstructed of wireless connection.
Brief description of the drawings
Fig. 1 is the utility model overall structure diagram.
Fig. 2 is the utility model storage drive mechanism and receiver attachment structure schematic diagram.
Fig. 3 is the utility model chip removal base arrangement schematic diagram.
Fig. 4 is the utility model wireless transmission trunk device structural representation.
In figure:1- bodies;2- image acquisition devices;3- rotatable platforms;4- receivers;5- links;6- chip removal devices;7- Running gear;8- servomotors;9- leading screws;10- supporting tables;11- cylinders;12- connecting rods;13- connecting shafts;14- captures plate; 15- wireless transmission trunk devices;101- substrates;102- side walls;103- senses window;201- video cameras;202- light compensating lamps;501- Trapezoidal plate;502- fixed plates;601- chip removal bottom plates;602- pressure sensors;603- chip removal plates;1501- shift knobs;1502- Cushion pad.
Embodiment
The technical solution of the utility model is described in further detail below in conjunction with Figure of description.
As Figure 1-4, a kind of Intelligent Mobile Robot, including body 1, the control device in body 1 and control Image acquisition device 2, radio transmitting device and the running gear 7 of device electrical connection processed, the front end of body 1, which is provided with, to be used to arrange front The radio transmitting device of chip removal device 6,15 of obstacle clast is used for raising radio transmission device signal concatenation ability including one Wireless transmission trunk device 15, wireless transmission trunk device 15 is located at the side of body 1.
For the ease of chip removal and control device is set to make correct judgement, chip removal device 6 passes through link 5 and body 1 Front end connects, and chip removal device 6 includes one piece of chip removal bottom plate 601 and pressure sensor 602, and chip removal bottom plate 601 is connected to link 5 Front bottom end, 15 pressure sensors 602 are located at the upper front end of chip removal bottom plate 601, the signal of pressure sensor 602 and control device Collector port electrically connects.The compression situation of chip removal device 6 can be perceived by pressure sensor 602, in order to control device Make corresponding forward chip removal, deviation movement, the judgement for retreating or detouring.
In order to obtain preferable chip removal effect, chip removal bottom plate 601 is the symmetrical isosceles triangle plate kept flat, triangle The base of shape plate is connected with the front end of link 5, and the top of 15 chip removal bottom plates 601 is provided with chip removal plate 603,603 liang of sides of chip removal plate It is connected with the waist edges such as 2 of chip removal bottom plate 601, sagittal low early and high after crest line is provided among chip removal plate 603, forms triangular pyramid Shape structure, the rear end of chip removal plate 603 are connected with the front end face of link 5, and chip removal plate 603 connects with pressure sensor 602 for zero pressure Touch.By the chip removal plate 603 of triangular pyramid structure, when robot moves ahead and encounters clast, clast can be from crest line to both sides It is mobile, preferable chip removal effect can be obtained, chip removal plate 603 contacts with the zero pressure of pressure sensor 602 really to be fed back Pressure condition of the chip removal plate 603 by clast.
In order to which receiver 4 discharges wireless transmission trunk device, the side of body 1 is additionally provided with for storing wireless transmission trunk device Receiver 4, body 1 is interior to be provided with the storage drive mechanism for being used for driving receiver 4, and 15 storage drive mechanisms can drive receiver 4 Move up and down.By the driving moved up and down to receiver 4, it is easy to discharge and stores wireless transmission trunk device.
For the ease of manually opening and closing and preventing the hard collision with ground protrusion, the wireless transmission trunk device 15 side is provided with a shift knob 1501, and the bottom of device 15 is provided with a cushion pad 1502 in wireless transmissions. Manually opened and closing when shift knob is easy to need, the setting of cushion pad are easy to robot when the uneven road surface in highland is forward Prevent the collision of wireless transmission trunk device 15 and ground protrusion.
In order to realize simple accurate driving, storage drive mechanism includes the servomotor being arranged on the substrate 101 of body 1 8, the output shaft of servomotor 8 is set up, and leading screw 9 is fixedly connected with output shaft, nut, spiral shell are arranged with the leading screw 9 Mother is fixedly connected with supporting table 10, a hollow connecting rod 12 is fixedly installed in supporting table 10, the connecting rod 12 is from originally The side wall 102 of body 1 is fixedly connected after passing with receiver 4, is additionally provided with a cylinder 11 in supporting table 10, cylinder 11 it is defeated Go out end and be fixedly connected with a connecting shaft 13, connecting shaft 13 is passed through from connecting rod 12 and extend into inside receiver 4, connecting The end of axle 13 is further fixedly arranged on a crawl plate 14, and servomotor 8 and cylinder 11 electrically connect with control device respectively.Pass through Servomotor drives leading screw 9, and crawl plate 14 is driven by cylinder, in that context it may be convenient to firmly grasping and moving up and down for receiver 4 is realized, Driving structure is simply accurate.
For the ease of the road conditions of in front of complete observation and both sides, 15 image acquisition devices 2 by rotatable platform 3 rotationally It is connected to the top of body 1.It is easy to the pavement behavior of in front of complete observation and side.
In order to collect clearly image at night, image acquisition device 2 includes the video camera 201 and 2 being set up in parallel Individual light compensating lamp 202, video camera 201 are starlight level video camera, and 152 light compensating lamps 202 are respectively white light light compensating lamp and infrared light filling Lamp.Starlight level video camera, white light light compensating lamp and infrared light compensating lamp are easy to night to collect clearly image.
For the ease of the barrier in detection front, the front portion of body 1 is additionally provided with an infrared distance sensor, infrared survey Electrically connected away from sensor with the signal picker port of control device, the company of being opened in of sensing window 103 of infrared distance sensor Connect on the front end face of body 1 that frame 5 is connected.By the sensing window 103 towards front, infrared distance sensor can be convenient The object obstacle in front is detected, and result is fed back to control device, is easy to control device to judge.
In order that infrared distance sensor is not connected frame 5 in forward looking detection and blocked, 15 links 5 are low before including 2 pieces High trapezoidal plate 501 and the fixed plate 502 for being connected to 2 pieces of front ends of trapezoidal plate 501, the height of fixed plate 502 are less than induction window afterwards Mouthfuls 103 it is lower along position.By low early and high after link 5, and sense window 103 it is lower along position be higher than link 5 before The position of fixed plate 502 at end, it is easy to the forward looking detection of infrared distance sensor.
When crusing robot is running into the clasts such as rubble, rubbish or branches and leaves during advance, it may not be necessary to Halt, clast can be moved by chip removal device 6 to both sides, without influenceing running gear 7, can be avoided because of clast Collision with running gear 7 and crusing robot is produced vibrations, cause the image blur captured by image acquisition device 2;Separately Outside, in the case where wireless signal is faint, storage drive mechanism is controlled by control device, discharges wireless transmission trunk device 15, Promotion signal intensity, to ensure the unobstructed of network connection between crusing robot and central control computer.
A kind of Intelligent Mobile Robot shown in figure 1 above -4 is specific embodiment of the utility model, has been embodied Go out the utility model in essence feature and progress, under enlightenment of the present utility model, it can be entered according to the use needs of reality The equivalent modifications of row shape, structure etc., this programme protection domain row.

Claims (10)

1. a kind of Intelligent Mobile Robot, including body(1), located at body(1)Interior control device, it is electrically connected with control device The image acquisition device connect(2), radio transmitting device and running gear(7), it is characterised in that:Described body(1)Front end is set There is the chip removal device for arranging preceding object clast(6), described radio transmitting device is wireless for being lifted including one The wireless transmission trunk device of transmitting device signal concatenation ability(15), described wireless transmission trunk device(15)Located at body(1) Side.
A kind of 2. Intelligent Mobile Robot according to claim 1, it is characterised in that:Chip removal device(6)Pass through connection Frame(5)With body(1)Front end connection, chip removal device(6)Including one piece of chip removal bottom plate(601)And pressure sensor(602), institute The chip removal bottom plate stated(601)It is connected to link(5)Front bottom end, described pressure sensor(602)Located at chip removal bottom plate (601)Upper front end, pressure sensor(602)Electrically connected with the signal picker port of control device.
A kind of 3. Intelligent Mobile Robot according to claim 2, it is characterised in that:Described chip removal bottom plate(601) For the symmetrical isosceles triangle plate kept flat, the base of triangular plate and link(5)Front end connects, described chip removal bottom Plate(601)Top be provided with chip removal plate(603), chip removal plate(603)Two sides and chip removal bottom plate(601)The waist edges such as 2 connection, row Consider plate to be worth doing(603)Centre is provided with sagittal low early and high after crest line, forms triangular pyramid structure, chip removal plate(603)Rear end with Link(5)Front end face connects, chip removal plate(603)With pressure sensor(602)Contacted for zero pressure.
A kind of 4. Intelligent Mobile Robot according to claim 1, it is characterised in that:Described body(1)Side is also Provided with the receiver for storing wireless transmission trunk device(4), body(1)Interior be provided with is used to drive receiver(4)Storage drive Motivation structure, described storage drive mechanism can drive receiver(4)Move up and down.
A kind of 5. Intelligent Mobile Robot according to claim 4, it is characterised in that:The wireless transmission trunk device (15)Side be provided with a shift knob(1501), in wireless transmissions after device(15)Bottom be provided with a cushion pad (1502).
A kind of 6. Intelligent Mobile Robot according to claim 4, it is characterised in that:Described storage drive mechanism bag Include and be arranged at body(1)Substrate(101)On servomotor(8), servomotor(8)Output shaft set up, on output shaft It is fixedly connected with leading screw(9), the leading screw(9)On be arranged with nut, nut is fixedly connected with supporting table(10), supporting table(10) On be fixedly installed a hollow connecting rod(12), the connecting rod(12)From body(1)Side wall(102)With receiving after passing Case(4)It is fixedly connected, in supporting table(10)On be additionally provided with a cylinder(11), cylinder(11)Output end be fixedly connected with One connecting shaft(13), described connecting shaft(13)From connecting rod(12)In pass through and extend into receiver(4)Inside, connecting Axle(13)End be further fixedly arranged on one crawl plate(14), described servomotor(8)And cylinder(11)Respectively with control Device electrically connects.
A kind of 7. Intelligent Mobile Robot according to claim 5, it is characterised in that:Described image acquisition device (2)Pass through rotatable platform(3)It is rotatably connected at body(1)Top.
A kind of 8. Intelligent Mobile Robot according to claim 1, it is characterised in that:Described image acquisition device (2)Including the video camera being set up in parallel(201)With 2 light compensating lamps(202), described video camera(201)For starlight level video camera, 2 described light compensating lamps(202)Respectively white light light compensating lamp and infrared light compensating lamp.
A kind of 9. Intelligent Mobile Robot according to claim 2, it is characterised in that:The body(1)Front portion is also set There is an infrared distance sensor, infrared distance sensor electrically connects with the signal picker port of control device, infrared distance measurement The sensing window of sensor(103)It is opened in link(5)The body connected(1)On front end face.
A kind of 10. Intelligent Mobile Robot according to claim 9, it is characterised in that:Described link(5)Including 2 pieces of low early and high after trapezoidal plates(501)Be connected to 2 pieces of trapezoidal plates(501)The fixed plate of front end(502), described fixed plate (502)Height less than sensing window(103)It is lower along position.
CN201720438310.0U 2017-04-25 2017-04-25 A kind of Intelligent Mobile Robot Expired - Fee Related CN206748447U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201720438310.0U CN206748447U (en) 2017-04-25 2017-04-25 A kind of Intelligent Mobile Robot

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201720438310.0U CN206748447U (en) 2017-04-25 2017-04-25 A kind of Intelligent Mobile Robot

Publications (1)

Publication Number Publication Date
CN206748447U true CN206748447U (en) 2017-12-15

Family

ID=60614909

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201720438310.0U Expired - Fee Related CN206748447U (en) 2017-04-25 2017-04-25 A kind of Intelligent Mobile Robot

Country Status (1)

Country Link
CN (1) CN206748447U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108564870A (en) * 2018-03-19 2018-09-21 四川银沙科技有限公司 A kind of bionical educational robot
CN109103798A (en) * 2018-08-26 2018-12-28 国网新疆电力有限公司和田供电公司 A kind of substation's cruising inspection system
CN109397306A (en) * 2018-11-15 2019-03-01 国网浙江宁波市鄞州区供电有限公司 A kind of robot for power pipeline inspection

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108564870A (en) * 2018-03-19 2018-09-21 四川银沙科技有限公司 A kind of bionical educational robot
CN109103798A (en) * 2018-08-26 2018-12-28 国网新疆电力有限公司和田供电公司 A kind of substation's cruising inspection system
CN109397306A (en) * 2018-11-15 2019-03-01 国网浙江宁波市鄞州区供电有限公司 A kind of robot for power pipeline inspection

Similar Documents

Publication Publication Date Title
CN206748447U (en) A kind of Intelligent Mobile Robot
CN109079739A (en) A kind of Intelligent Mobile Robot adapting to snowfield operation
CN107368083A (en) A kind of crusing robot and crusing robot system
CN105739579B (en) A kind of grain conditions in grain depot Intelligent Measurement monitoring system based on mobile robot technology
US20200325005A1 (en) Suspension rail type greenhouse comprehensive information automatic cruise monitoring device
CN102263389B (en) Double-wheel-arm locking type inspection robot mechanism
CN109079740A (en) A kind of Intelligent Mobile Robot
CN201732077U (en) Automatic high-tension transmission line wire breaking and damage detection device
CN203291469U (en) Intelligent golf ball collecting robot
CN105844859B (en) A kind of highway crag wireless monitor early warning system
CN105108728A (en) Inspection robot special for cable trenches of substations
CN101665128B (en) Robot used for detecting high voltage transmission lines
CN201766309U (en) Double-wheel-arm locked type inspection robot mechanism
CN206871367U (en) A kind of Intelligent Mobile Robot
CN108770486B (en) Pineapple picking machine and picking method thereof
CN105563488A (en) Night patrol robot
CN110178540B (en) Tea picking machine based on image processing and working method
CN111061264A (en) Intelligent inspection robot
CN210551360U (en) Indoor inspection robot with protection device
CN109024351A (en) It is installed on the full-automatic cone transmitting-receiving robot of pickup truck type or jubilee wagen
CN104385274B (en) For tackling the emergency disposal robot of Metro Emergency Event
CN103281515A (en) Adjustable and controllable routing inspection type conveying belt wireless video monitoring system
CN106602460A (en) Outdoor cable support system
CN112590833A (en) Intelligent railway track inspection equipment
CN106493730A (en) Patrol and examine intelligent robot in a kind of athletic ground based on Internet of Things

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20171215