CN209014689U - A kind of automotive electronics production pcb board detection device - Google Patents

A kind of automotive electronics production pcb board detection device Download PDF

Info

Publication number
CN209014689U
CN209014689U CN201821334343.1U CN201821334343U CN209014689U CN 209014689 U CN209014689 U CN 209014689U CN 201821334343 U CN201821334343 U CN 201821334343U CN 209014689 U CN209014689 U CN 209014689U
Authority
CN
China
Prior art keywords
pcb board
plate
conveyer belt
pressing plate
detection device
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
CN201821334343.1U
Other languages
Chinese (zh)
Inventor
王涛
吴艳辉
李志�
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.)
Suzhou Heyu Automobile Technology Co Ltd
Original Assignee
Suzhou Heyu Automobile 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 Suzhou Heyu Automobile Technology Co Ltd filed Critical Suzhou Heyu Automobile Technology Co Ltd
Priority to CN201821334343.1U priority Critical patent/CN209014689U/en
Application granted granted Critical
Publication of CN209014689U publication Critical patent/CN209014689U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Control Of Conveyors (AREA)

Abstract

The utility model discloses a kind of automotive electronics production pcb board detection devices, including body, the side of the body is fixedly installed with motor housing, and insertion is provided with control panel at the front surface upper end position of body, and there are two transfer rollers for the corresponding installation in the two sides of the body.By using the mode of infrared induction, conveyer belt is controlled, it is counted simultaneously using photoelectric counter, understand the detection limit of pcb board at any time convenient for staff, it recycles distance-sensor that electric telescopic rod thrust can be prevented excessive and detector is caused to generate damage, by the way that accommodating groove is arranged in the lower surface of top plate, it conveniently will test head and pressing plate carry out storage storage, both detector was prevented to be damaged, also it can be reduced pressing plate exposed the problem of falling dust outside, install cleaning roller additional, it is convenient that dust impurity on conveyer belt is cleaned, dust is avoided to stick the problem of influencing its hygienic quality and detection quality on pcb board.

Description

A kind of automotive electronics production pcb board detection device
Technical field
The utility model relates to Trend of Auto Manufacturing Technologies field, specifically a kind of automotive electronics production pcb board detection device.
Background technique
Pcb board Chinese is printed circuit board, also known as printed circuit board, printed wiring board, is important electronic component, It is the supporter of electronic component, is the supplier of electronic component electrical connection.Since it is made of electron printing , therefore circuit board referred to as " is printed ", the utility model is exactly a kind of automotive electronics production pcb board detection device.
Chinese patent discloses a kind of pcb board detection device, (Authorization Notice No. CN206832198U), the patented technology It can automatically detect pcb board hole and bending degree, substandard product be automatically separated, high degree of automation improves production efficiency , but what is generallyd use is Image detection to determine whether pcb board meets the requirements, and is easy to cause the accuracy of detection not high enough, And on automotive electronics production line, since workload is huge, manual operation excessively labor intensive, and on conveyer belt The hygienic quality of pcb board rest area is done incomplete, is easy to influence detection and the hygienic quality of pcb board, and in assembly line When upper production, the inspecting force of detector is not easy to control, is easy to damage pcb board, therefore, those skilled in the art A kind of automotive electronics production pcb board detection device is provided, to solve the problems mentioned in the above background technology.
Summary of the invention
The purpose of this utility model is to provide a kind of automotive electronics production pcb board detection devices, to solve above-mentioned back The problem of being proposed in scape technology.
To achieve the above object, the utility model provides the following technical solutions: a kind of automotive electronics production is detected with pcb board Device, including body, the side of the body are fixedly installed with motor housing, and setting is embedded at the front surface upper end position of body There is control panel, the corresponding installation in the two sides of the body is there are two transfer roller, and the outer surface of the transfer roller is enclosed with conveyer belt, institute It states and is vertically connected with side plate on rear side of body, the upper end of the side plate is vertically connected with top plate, the lower surface setting of the top plate There is pressing plate, the front surface insertion of the control panel is provided with photoelectric counter, and the two sides of the conveyer belt are correspondingly arranged on The upper surface insertion of limit plate, the limit plate is provided with sensing chip, the another side of the body be located at conveyer belt just under The orientation place of setting is equipped with dust bin, and the front surface of the side plate is located at insertion at the top position of conveyer belt and is provided with photophore.
As a further solution of the present invention: the upper surface of the dust bin offers dust inlet, and dust bin Upper end correspond to inclined plate be installed at the position of dust inlet, cleaning roller is provided on front side of the inclined plate, the cleaning roller Outer surface is enclosed with bristle, and the both ends of cleaning roller are provided with strut, and the cleaning roller is fixedly connected with dust bin by strut, The tilt angle of the inclined plate is 45 degree.
The length of the cleaning roller is adapted with the width of conveyer belt as a further solution of the present invention, institute It states bristle to be in contact with conveyer belt, the front surface of the dust bin is provided with chamber door.
The lower surface of the top plate, which corresponds to, as a further solution of the present invention, offers receipts at the position of pressing plate Receive slot, and the insertion at the side of accommodating groove and the position of corresponding limit plate of the lower surface of top plate is provided with infrared induction Device, the upper end of the pressing plate are fixedly connected there are two electric telescopic rod, and the lower surface insertion of pressing plate is provided with detector, described The lower surface of pressing plate is embedded in setting there are two distance-sensor at a side position of detector, the length of the accommodating groove and Width is all larger than the length and width of pressing plate.
The side of the pressing plate is in same with photophore in the vertical direction as a further solution of the present invention, Insertion is provided with light-receiving device at one horizontal position, and pressing plate is fixedly connected with top plate by electric telescopic rod.
The limit plate is at least provided with four as a further solution of the present invention, and equidistantly distributes The upper surface of limit plate, the sensing chip and infrared inductor are in same horizontal line in the vertical direction.
The motor housing is internally provided with motor as a further solution of the present invention, and the one of the transfer roller End is provided with belt pulley, and the outside of belt pulley is enclosed with belt, and the transfer roller is connect with motor by belt and pulley rotation, The upper surface of the conveyer belt is provided with equidistant pcb board rest area.
Compared with prior art, the utility model has the beneficial effects that
1, by using the mode of infrared induction, conveyer belt is controlled, when the pcb board on conveyer belt is sent to inspection When the underface of gauge head, conveyer belt stops transmission, and then control detector, which moves down, detects the contact on pcb board, detects After, drive detector to bounce back using electric telescopic rod, conveyer belt unlatching continues to transmit, and sends out in pressing plate folding process Light device can be corresponding with light-receiving device, and the information that photophore issues can be passed to photoelectric counter by light-receiving device, and photoelectric counter will It counts primary, understands the detection limit of pcb board at any time convenient for staff, facilitate operation, while utilization distance-sensor can be to prevent Only electric telescopic rod thrust it is excessive and cause detector generate damage, also avoid detector from damaging the contact on pcb board.
2, by the way that accommodating groove is arranged in the lower surface of top plate, it conveniently will test head and pressing plate carry out storage storage, both prevented Detector is damaged, and also can be reduced pressing plate exposed the problem of falling dust outside, and also increase the operation of detection device Space.
3, cleaning roller is installed additional in one end of conveyer belt, it is convenient that dust impurity on conveyer belt is cleaned, it is swept into In dust bin, that is, the hygienic quality of conveyer belt can be improved, in turn avoids dust and stick on pcb board and influence its hygienic quality and inspection The problem of mass metering, while also facilitating the operation of staff.
Detailed description of the invention
Fig. 1 is the structural schematic diagram that pcb board detection device is used in a kind of production of automotive electronics;
Fig. 2 is the enlarged diagram of part A in a kind of automotive electronics production pcb board detection device;
Fig. 3 is the scheme of installation of part B in a kind of automotive electronics production pcb board detection device;
Fig. 4 is the enlarged diagram of part B in a kind of automotive electronics production pcb board detection device;
Fig. 5 is the storage schematic diagram of pressing plate in a kind of automotive electronics production pcb board detection device;
Fig. 6 is the inverted view of top plate in a kind of automotive electronics production pcb board detection device.
In figure: 1, body;2, motor housing;3, transfer roller;4, conveyer belt;5, side plate;6, top plate;7, pressing plate;8, control panel; 9, photoelectric counter;10, sensing chip;11, limit plate;12, bristle;13, cleaning roller;14, inclined plate;15, dust inlet;16, grey Dirt case;17, photophore;18, distance-sensor;19, detector;20, accommodating groove;21, infrared inductor;22, electric expansion Bar.
Specific embodiment
Please refer to Fig. 1~6, in the utility model embodiment, a kind of automotive electronics production pcb board detection device, including Body 1, the side of body 1 are fixedly installed with motor housing 2, and insertion is provided with control plane at the front surface upper end position of body 1 Plate 8, for the corresponding installation in the two sides of body 1 there are two transfer roller 3, the outer surface of transfer roller 3 is enclosed with conveyer belt 4, and the rear side of body 1 hangs down Direct-connected to be connected to side plate 5, the upper end of side plate 5 is vertically connected with top plate 6, and the lower surface of top plate 6 is provided with pressing plate 7, control panel 8 Front surface insertion is provided with photoelectric counter 9, and the two sides of conveyer belt 4 are correspondingly arranged on limit plate 11, the upper table of limit plate 11 Face insertion is provided with sensing chip 10, and the another side of body 1, which is located at the following position directly of conveyer belt 4, is equipped with dust bin 16, The front surface of side plate 5 is located at insertion at the top position of conveyer belt 4 and is provided with photophore 17.
The upper surface of dust bin 16 offers dust inlet 15, and the upper end of dust bin 16 corresponds to the position of dust inlet 15 Place is equipped with inclined plate 14, and the front side of inclined plate 14 is provided with cleaning roller 13, and the outer surface of cleaning roller 13 is enclosed with bristle 12, and cleans The both ends of roller 13 are provided with strut, and cleaning roller 13 is fixedly connected with dust bin 16 by strut, and the tilt angle of inclined plate 14 is four 15 degree, the length of cleaning roller 13 is adapted with the width of conveyer belt 4, and bristle 12 is in contact with conveyer belt 4, before dust bin 16 Surface is provided with chamber door, in detection device work, passes through control panel 8(model MAM-300) control motor rotation, by electricity Machine drives conveyer belt 4 to rotate by belt and belt pulley, when conveyer belt 4 is rotated, can use bristle 12 to conveyer belt 4 On dust impurity cleaned, conveniently understand the dust on conveyer belt 4, ash be stained with when pcb board being avoided to detect on the transport belt 4 Dirt and influence its detection efficiency, while after bristle 12 cleans the dust on conveyer belt 4, dust being blocked by inclined plate 14, And slide to dust inlet 15, then entered in dust bin 16 by dust inlet 15, had not only facilitated the operation of staff, but also improve The hygienic quality of conveyer belt 4, indirectly improves the detection quality of pcb board.
Motor housing 2 is internally provided with motor, and one end of transfer roller 3 is provided with belt pulley, and the outside of belt pulley is enclosed with skin Band, transfer roller 3 are connect with motor by belt and pulley rotation, and the upper surface of conveyer belt 4 is provided with equidistant pcb board and places Area, the side of each pcb board rest area are corresponding with a sensing chip 10, and the lower surface of top plate 6 corresponds to opens at the position of pressing plate 7 Equipped with accommodating groove 20, and the lower surface of top plate 6 is embedded in setting at the side of accommodating groove 20 and the position of corresponding limit plate 11 There is an infrared inductor 21, the upper end of pressing plate 7 is fixedly connected with that there are two electric telescopic rods 22, and the lower surface insertion of pressing plate 7 is set It is equipped with detector 19, the lower surface of pressing plate 7 is embedded in distance-sensor 18 there are two settings at a side position of detector 19, The length and width of accommodating groove 20 is all larger than the length and width of pressing plate 7, and the side of pressing plate 7 and photophore 17 are in the vertical direction Insertion is provided with light-receiving device at position in same horizontal line, and pressing plate 7 and top plate 6 connect by the way that electric telescopic rod 22 is fixed It connects, limit plate 11 is equidistantly distributed at least provided with four in the upper surface of limit plate 11, sensing chip 10 and infrared induction Device 21 is in same horizontal line in the vertical direction, and when pcb board is detected, pcb board can be placed on pcb board diamond, Induction when PVB plate on the transport belt 4 passes through 7 underface of pressing plate, on the limit plate 11 of corresponding PVB plate rest area side Piece 10 can be in same horizontal line, at this moment, infrared ray sense in vertical direction with infrared inductor 21(model MIK-AL-10) It answers device 21 that can communicate information to control panel 8, motor is controlled by control panel 8 and is stopped working, so that conveyer belt 4 be made to stop passing It send, then, after being spaced 2s, control panel 8 can control electric telescopic rod 22 and stretch, and electric telescopic rod 22 pushes pressing plate 7 to move down, and make The detector 19 of 7 lower surface of pressing plate detects the contact on pcb board, when pressing plate 7 move down into it is presetting apart from when, distance perception Answer device 18(model SI1143-A11-GMR) control panel 8 can be communicated information to, electric telescopic rod 22 is controlled by control panel 8 Stop flexible, after 3s, control panel 8 control electric telescopic rod 22 can bounce back again, prevent 22 thrust of electric telescopic rod excessive and Cause detector 19 to generate damage, detector 19 is also avoided to damage the contact on pcb board, while controlling motor and driving biography It send band 4 to work, is easy to implement the detection of pcb board automation, remove manually-operated trouble from, and when pressing plate 7 pushes, pressing plate The light-receiving device of 7 sides can be in same horizontal line with photophore 17 in folding process, because photophore 17 and light-receiving device are erecting Histogram is to being in same horizontal line, and when pressing plate 7 moves down, light-receiving device can have corresponding points with photophore 17, when light-receiving device receives To photophore 17 issue signal when, photoelectric counter 9 can be passed information to, photoelectric counter 9 is primary with regard to counting, is convenient for The detection limit of pcb board is counted, when pressing plate 7 bounces back, light-receiving device can be corresponding with photophore 17 again, therefore in photoelectrometer 1/2 of quantitative value on number device 9 is actual processing amount, facilitates the understanding of staff, finally, after pcb board detection, Electric telescopic rod 22 is controlled by control panel 8 to bounce back, and pressing plate 7 is accommodated into the accommodating groove 20 of 6 lower surface of top plate, was both facilitated The problem of detector 19 on pressing plate 7 is protected, and can prevent detector 19 from falling dust and influence its detection quality, To improve the accuracy of detection.
The working principle of the utility model is: firstly, it is necessary to can be controlled by control panel 8 when being detected to pcb board Motor rotation processed drives conveyer belt 4 to rotate, when conveyer belt 4 is rotated, can use by motor by belt and belt pulley Bristle 12 cleans the dust impurity on conveyer belt 4, conveniently understands the dust on conveyer belt 4, avoids pcb board in conveyer belt It is stained with dust when being detected on 4 and influences its detection efficiency, while after bristle 12 cleans the dust on conveyer belt 4, by oblique Plate 14 blocks dust, and slides to dust inlet 15, is then entered in dust bin 16 by dust inlet 15, had both facilitated work people The operation of member, and the hygienic quality of conveyer belt 4 is improved, then the detection quality for indirectly improving pcb board puts pcb board Enter the pcb board rest area of 4 upper surface of conveyer belt, when PVB plate on the transport belt 4 passes through 7 underface of pressing plate, corresponding PVB Sensing chip 10 on the limit plate 11 of plate rest area side can be in same horizontal line in vertical direction with infrared inductor 21, At this moment, infrared inductor 21 can communicate information to control panel 8, control motor by control panel 8 and stop working, to make to pass Band 4 is sent to stop transmission, then, after being spaced 2s, control panel 8 can control electric telescopic rod 22 and stretch, and electric telescopic rod 22 pushes Pressing plate 7 moves down, and detects the detector 19 of 7 lower surface of pressing plate to the contact on pcb board, when pressing plate 7 move down into it is presetting Apart from when, distance-sensor 18 can communicate information to control panel 8, by control panel 8 control electric telescopic rod 22 stop it is flexible, After 3s, control panel 8 control electric telescopic rod 22 can bounce back again, prevent 22 thrust of electric telescopic rod excessive and lead to detector 19 generate damage, and detector 19 is also avoided to damage the contact on pcb board, while controlling motor and conveyer belt 4 is driven to work, Be easy to implement the detection of pcb board automation, remove manually-operated trouble from, and when pressing plate 7 pushes, 7 side of pressing plate by Light device with photophore 17 can be in same horizontal line in folding process, because photophore 17 and light-receiving device are to locate in vertical direction In same horizontal line, when pressing plate 7 moves down, light-receiving device can have corresponding points with photophore 17, when light-receiving device receives photophore 17 When the signal of sending, photoelectric counter 9 can be passed information to, photoelectric counter 9 is primary with regard to counting, convenient for pcb board Detection limit is counted, and the understanding of staff is facilitated, finally, controlling electricity by control panel 8 after pcb board detection Dynamic telescopic rod 22 bounces back, and pressing plate 7 is accommodated into the accommodating groove 20 of 6 lower surface of top plate, both facilitates to the detector 19 on pressing plate 7 The problem of being protected, and can preventing detector 19 from falling dust and influence its detection quality, to improve the essence of detection Exactness.
It is above-described, the only preferable specific embodiment of the utility model, but the protection scope of the utility model is simultaneously It is not limited to this, anyone skilled in the art within the technical scope disclosed by the utility model, according to this reality It is subject to equivalent substitution or change with novel technical solution and its utility model design, should all covers the protection in the utility model Within the scope of.

Claims (7)

1. a kind of automotive electronics production pcb board detection device, including body (1), which is characterized in that the side of the body (1) Face is fixedly installed with motor housing (2), and insertion is provided with control panel (8), the machine at the front surface upper end position of body (1) There are two transfer roller (3) for the corresponding installation in the two sides of body (1), and the outer surface of the transfer roller (3) is enclosed with conveyer belt (4), the machine It is vertically connected on rear side of body (1) side plate (5), the upper end of the side plate (5) is vertically connected with top plate (6), the top plate (6) Lower surface is provided with pressing plate (7), and the front surface insertion of the control panel (8) is provided with photoelectric counter (9), the conveyer belt (4) two sides are correspondingly arranged on limit plate (11), and the upper surface insertion of the limit plate (11) is provided with sensing chip (10), institute The another side for stating body (1), which is located at the following position directly of conveyer belt (4), to be equipped with dust bin (16), the side plate (5) Front surface is located at insertion at the top position of conveyer belt (4) and is provided with photophore (17).
2. a kind of automotive electronics production pcb board detection device according to claim 1, which is characterized in that the dust The upper surface of case (16) offers dust inlet (15), and the upper end of dust bin (16) corresponds to and pacifies at the position of dust inlet (15) It equipped with inclined plate (14), is provided with cleaning roller (13) on front side of the inclined plate (14), the outer surface of the cleaning roller (13) is enclosed with Bristle (12), and the both ends of cleaning roller (13) are provided with strut, the cleaning roller (13) is fixed with dust bin (16) by strut Connection, the tilt angle of the inclined plate (14) are 45 degree.
3. a kind of automotive electronics production pcb board detection device according to claim 2, which is characterized in that the cleaning The length of roller (13) is adapted with the width of conveyer belt (4), and the bristle (12) is in contact with conveyer belt (4), the dust bin (16) front surface is provided with chamber door.
4. a kind of automotive electronics production pcb board detection device according to claim 1, which is characterized in that the top plate (6) lower surface corresponds to be offered accommodating groove (20) at the positions of pressing plate (7), and the lower surface of top plate (6) is close to accommodating groove (20) be embedded in and be provided with infrared inductor (21) at the position of side and corresponding limit plate (11), the pressing plate (7) it is upper It holds there are two being fixedly connected electric telescopic rod (22), and the lower surface insertion of pressing plate (7) is provided with detector (19), the pressing plate (7) lower surface is embedded in setting at a side position of detector (19), and there are two distance-sensor (18), the accommodating grooves (20) length and width is all larger than the length and width of pressing plate (7).
5. a kind of automotive electronics production pcb board detection device according to claim 1, which is characterized in that the pressing plate (7) side and photophore (17) is in insertion at the position of same horizontal line in the vertical direction and is provided with light-receiving device, and presses Plate (7) is fixedly connected with top plate (6) by electric telescopic rod (22).
6. a kind of automotive electronics production pcb board detection device according to claim 1, which is characterized in that the limit Plate (11) is equidistantly distributed at least provided with four in the upper surface of limit plate (11), the sensing chip (10) and infrared ray Inductor (21) is in same horizontal line in the vertical direction.
7. a kind of automotive electronics production pcb board detection device according to claim 1, which is characterized in that the motor Case (2) is internally provided with motor, and one end of the transfer roller (3) is provided with belt pulley, and the outside of belt pulley is enclosed with belt, institute It states transfer roller (3) to connect with motor by belt and pulley rotation, the upper surface of the conveyer belt (4) is provided with equidistant Pcb board rest area.
CN201821334343.1U 2018-08-19 2018-08-19 A kind of automotive electronics production pcb board detection device Expired - Fee Related CN209014689U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821334343.1U CN209014689U (en) 2018-08-19 2018-08-19 A kind of automotive electronics production pcb board detection device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201821334343.1U CN209014689U (en) 2018-08-19 2018-08-19 A kind of automotive electronics production pcb board detection device

Publications (1)

Publication Number Publication Date
CN209014689U true CN209014689U (en) 2019-06-21

Family

ID=66829859

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201821334343.1U Expired - Fee Related CN209014689U (en) 2018-08-19 2018-08-19 A kind of automotive electronics production pcb board detection device

Country Status (1)

Country Link
CN (1) CN209014689U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113030694A (en) * 2021-01-06 2021-06-25 苏州凌创电子系统有限公司 Floating testing device for multiple groups of PCB boards

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113030694A (en) * 2021-01-06 2021-06-25 苏州凌创电子系统有限公司 Floating testing device for multiple groups of PCB boards
CN113030694B (en) * 2021-01-06 2023-02-28 苏州凌创电子系统有限公司 Floating testing device for multiple groups of PCB (printed circuit board)

Similar Documents

Publication Publication Date Title
CN206804550U (en) Electronic component on-line detecting system based on machine vision
CN104891107A (en) Automatic conveying device and autonomic conveying system
CN209014689U (en) A kind of automotive electronics production pcb board detection device
CN109029305A (en) Workpiece flatness detection and treatment device
CN209205853U (en) A kind of display screen golden finger cleaning mechanism
CN210401600U (en) Photovoltaic solar wafer IV detects machine
CN111085464A (en) Device for online detection of appearance of glass cover plate
CN110967168A (en) Backlight finished product outward appearance detects machine
CN204478970U (en) The high-precision formula of filter cleaner oil-out screw thread detects comparison device automatically
CN110681601B (en) LED support material strip on-line detection punching system
CN117232585A (en) Mobile phone display screen detection device and detection method thereof
CN206057215U (en) For the image capture device of printed wiring board Automatic Visual Inspection
CN104764377A (en) High-precision type automatic filter oil outlet thread detection comparison device
CN104764425A (en) Automatic filter oil outlet thread detection device
CN218823887U (en) Glass tin surface detection turnover device
CN116626058A (en) Metal workpiece surface flatness detection device
CN218180712U (en) Optical detection equipment for circuit board plug-in unit
CN203811363U (en) Automatic alignment drawing test mechanism
CN211478092U (en) Automatic detection device of black box automobile electronic controller
CN215218599U (en) Multi-surface appearance detection mechanism
CN214320947U (en) CCD detects machine work piece adsorption equipment
CN212379305U (en) Cover plate final inspection AOI equipment
CN103900808A (en) Automatic alignment drawing test mechanism
CN211311297U (en) Float glass position correcting device
CN208775785U (en) A kind of cell piece magazine automatic pick-and-place apparatus

Legal Events

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

Granted publication date: 20190621

CF01 Termination of patent right due to non-payment of annual fee