CN110045255B - High partial discharge sensor erection equipment of security - Google Patents
High partial discharge sensor erection equipment of security Download PDFInfo
- Publication number
- CN110045255B CN110045255B CN201910449155.6A CN201910449155A CN110045255B CN 110045255 B CN110045255 B CN 110045255B CN 201910449155 A CN201910449155 A CN 201910449155A CN 110045255 B CN110045255 B CN 110045255B
- Authority
- CN
- China
- Prior art keywords
- sliding block
- limiting plate
- ring
- shell
- rotating
- 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
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/12—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Emergency Alarm Devices (AREA)
- Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)
Abstract
The invention relates to the technical field of electric power systems, and discloses high-safety partial discharge sensor mounting equipment which comprises a shell, wherein a left ring and a right ring are sleeved on the outer side of the shell, rotating plates are movably connected inside the left ring and the right ring, an upper sliding block and a lower sliding block are fixedly connected to the two rotating plates respectively, pressing rods are fixedly connected to the upper sliding block and the lower sliding block respectively, rotating buttons are movably inserted into the tops of the connecting plates, an elastic block and a limiting plate are movably inserted into the upper sliding block, and a top plate is movably inserted into the inner part of the lower sliding block. Rotate the turn-button and can drive two commentaries on classics boards while antiport, and then drive two depression bars downstream, closely press the outside at the shell with the shielding area, during two slider overlap joints, the bullet piece is extruded, drives the inside that the limiting plate inserted the lower slider to pin the limiting plate through the roof, make two blocks tight cards together, can not loosen because of the vibration of shell and drop, guaranteed the fastness and the security of sensor main part installation.
Description
Technical Field
The invention relates to the technical field of power systems, in particular to a high-safety partial discharge sensor mounting device.
Background
At present, during the operation of an electric power system, an ultrahigh frequency (UHF) method is often used for online detection of partial discharge of a high-voltage distribution device (GIS), and the UHF method mainly uses a broadband high-frequency wire to detect electromagnetic wave signals of several GHz excited during partial discharge in the GIS, so as to reflect the type and the general position of the partial discharge.
The external UHF sensor is generally bound on a GIS insulation basin for detection through a shielding belt, except for the place for placing the sensor on the insulation basin, the other places are shielded by shielding belts to ensure the purity and the credibility of the signals acquired by the sensors, the firm contact between the sensor and the insulating basin is ensured as much as possible during measurement, correct judgment is not interfered by the movement of the sensor, the sensor is prevented from falling onto a GIS pipeline during detection, accidents are avoided, after abnormal signals are detected, the map detected by the sensor at the moment is recorded, the sensor is then removed and the spectrum detected in the air is checked for consistency with the spectrum just recorded, and if necessary, the sensor can be fixed at the basin insulator using a tool for a long time, at least longer than 15 minutes, and then judged by analyzing a peak monitoring map or the like.
Therefore, when the ultrahigh frequency method is used for monitoring the partial discharge condition of the GIS, the sensor is frequently required to be disassembled and fixedly installed, the detection process is time-consuming and long, detected equipment is in an electrified running state during online monitoring, the equipment can slightly vibrate under the influence of high-voltage current, the sensor can be loosened, the monitoring result is influenced, the shielding belt can be seriously attended to loosen, the sensor falls, frequent disassembly and assembly of the sensor and long-time monitoring are realized, the possibility of loosening of the sensor is increased, and inconvenience is brought to normal monitoring work.
Disclosure of Invention
In order to realize the purposes of firm, safe and firm installation of the ultrahigh frequency sensor, the invention provides the following technical scheme:
a high-safety partial discharge sensor mounting device comprises a shell, wherein an insulating basin extending to the outer side of the shell is mounted inside the shell, a sensor main body and a shielding belt are fixedly connected to the outer side of the insulating basin, a left ring and a right ring are respectively sleeved on the left side and the right side of the insulating basin and positioned on the outer side of the shell, a connecting plate is fixedly connected between the left ring and the right ring, rotating plates are movably connected inside one sides of opposite surfaces of the left ring and the right ring, an upper sliding block and a lower sliding block are respectively fixedly connected on one sides of the opposite surfaces of the two rotating plates, pressing rods are fixedly connected on the upper sliding block and the lower sliding block, a rotating button is movably inserted in the top of the connecting plate, gears meshed with the two rotating plates are fixedly connected at the bottom of the rotating button, an elastic block and a limiting plate are movably inserted in the upper sliding block, the elastic block and the limiting plate are movably hinged through a, the inside activity grafting of lower slider has the roof.
Preferably, the shielding tape includes a left tape and a right tape, and the left tape and the right tape are fixedly mounted on the front surface and the back surface of the sensor body, respectively.
Preferably, the left ring and the right ring are both formed by a clamping plate and two arc plates, the two arc plates are movably hinged with the clamping plate, the two arc plates are connected through a buckle, and the left ring and the right ring are both in a circular ring shape after the arc plates are connected into a whole.
Preferably, the rotating plate is formed by hinging a plurality of small short plates, the arc-shaped grooves corresponding to the rotating plate are formed in the left ring and the right ring, so that the rotating plate can slide in the arc-shaped grooves and can be bent and deformed, teeth corresponding to the gear are arranged on one side, close to the gear, of the rotating plate, and when the gear rotates, the two rotating plates can be driven to rotate reversely.
Preferably, the bottom of the end part of the left belt and the side edge of the end part of the right belt are both provided with a stop block which plays a role in positioning the two pressing rods.
Preferably, the limiting plate extends to the inside of the upper sliding block, the slot corresponding to the limiting plate is formed in the inner portion of the upper sliding block, the width of the slot is larger than that of the limiting plate, and the limiting plate is inserted into the slot, so that the upper sliding block and the lower sliding block are clamped in a staggered mode after the limiting plate is extruded from the top plate.
Preferably, all install reset spring on bullet piece and the roof, the roof is provided with the slope near one side of limiting plate, makes things convenient for the limiting plate to extrude the roof through the slope.
Preferably, the connection relation between the connecting rod and the limiting plate is movably hinged with the elastic block, the connecting rod is mounted on the upper sliding block through a rotating shaft, and the limiting plate is driven to extend outwards through the connecting rod when the elastic block contracts inwards.
The invention has the beneficial effects that:
1. form a whole through even board between left side ring and the right side ring, convenient direct card is on the shell, it can drive two commentaries on classics board reverse rotation simultaneously to rotate the turn button, and then drive two depression bars and remove downwards simultaneously, closely press the shielding area in the outside of shell, through the form that designs into a plurality of little short slab concatenations with the commentaries on classics board, consequently the commentaries on classics board can produce and warp, finally two slider overlap joints are in the same place, make sensor main part and shielding area all firmly install on the shell, and easy operation, high durability and convenient use.
2. Two lapped in-process of slider, the bullet piece is by the extrusion shrink, and then makes the limiting plate on the top shoe insert the inside of lower slider to pin the limiting plate through the roof, make two blocks tight card together, can not loosen because of the vibration of shell and drop, guaranteed the fastness and the security of sensor main part installation.
Drawings
FIG. 1 is a front cross-sectional view of the present invention;
FIG. 2 is a schematic top view of the present invention;
FIG. 3 is a sectional view taken along line A-A of FIG. 1 in accordance with the present invention;
FIG. 4 is a sectional view taken along line B-B of FIG. 1 in accordance with the present invention;
FIG. 5 is a right side view of the sensor body and shield band connection structure of the present invention;
FIG. 6 is a perspective view of a rotating plate structure according to the present invention;
FIG. 7 is a front view of the gear and rotating plate connection structure of the present invention;
FIG. 8 is a perspective view of the left and right ring connection of the present invention;
FIG. 9 is a perspective view of the connection structure of the upper slider and the left band in accordance with the present invention;
FIG. 10 is a perspective view of the connection structure of the lower slider and the right belt according to the present invention;
FIG. 11 is a front sectional view of the upper slider and the lower slider in a connected state according to the present invention.
In the figure: the sensor comprises a shell 1, an insulating basin 2, a sensor body 3, a shielding belt 4, a left belt 401, a right belt 402, a left ring 5, a right ring 6, a connecting plate 7, a rotating plate 8, an upper sliding block 901, a lower sliding block 902, a pressing rod 10, a rotating button 11, a gear 12, an elastic block 13, a limiting plate 14, a connecting rod 15 and a top plate 16.
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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-11, a high-safety partial discharge sensor mounting apparatus includes a housing 1, an insulating basin 2 extending to an outer side of the housing 1 is mounted in the housing 1, a sensor body 3 and a shielding tape 4 are fixedly connected to an outer side of the insulating basin 2, the sensor body 3 is an JC-OM400-02UHF external sensor, a left ring 5 and a right ring 6 are respectively sleeved on a left side and a right side of the insulating basin 2 at an outer side of the housing 1, a connecting plate 7 is fixedly connected between the left ring 5 and the right ring 6, a rotating plate 8 is movably connected in one side of opposite surfaces of the left ring 5 and the right ring 6, an upper slider 901 and a lower slider 902 are respectively fixedly connected to one side of opposite surfaces of the two rotating plates 8, a press rod 10 is fixedly connected to the upper slider 901 and the lower slider 902, a rotating button 11 is movably inserted to a top of the connecting plate 7, a gear 12 engaged with the two rotating plates 8 is fixedly connected to a bottom of the rotating button, an elastic block 13 and a limiting plate 14 are movably inserted on the upper slider 901, the elastic block 13 and the limiting plate 14 are movably hinged through a connecting rod 15, and a top plate 16 is movably inserted inside the lower slider 902.
The shield tape 4 includes a left tape 401 and a right tape 402, and the left tape 401 and the right tape 402 are fixedly mounted on the front surface and the back surface of the sensor body 3, respectively.
Wherein, left side ring 5 and right ring 6 constitute by a cardboard and two arc boards, and two arc boards are articulated for the activity with the joint relation of cardboard, connect through the buckle between two arc boards, connect as an organic whole back when the arc board, and left side ring 5 and right ring 6 all form the ring form.
Wherein, the commentaries on classics board 8 comprises a plurality of little short slab hinges, all offers the arc wall that corresponds with commentaries on classics board 8 on the ring 5 of left side and the ring 6 of right side, consequently changes board 8 and can slide and bending deformation in the arc wall, changes board 8 and is provided with the tooth that corresponds with gear 12 on being close to one side of gear 12, when gear 12 rotates, can drive two commentaries on classics board 8 while antiport.
Wherein, the bottom of the end part of the left belt 401 and the side edge of the end part of the right belt 402 are both provided with a stop block, which plays a role in positioning the two pressure levers 10.
The limiting plate 14 extends to the inside of the upper slider 901, a slot corresponding to the limiting plate 14 is formed in the upper slider 901, the width of the slot is larger than that of the limiting plate 14, and after the limiting plate 14 is inserted into the slot, the upper slider 901 and the lower slider 902 are clamped in a staggered manner after the top plate 16 is extruded.
Wherein, all install reset spring on bullet piece 13 and the roof 16, roof 16 is close to one side of limiting plate 14 and is provided with the slope, makes things convenient for limiting plate 14 to push away roof 16 through the slope.
The connection relation between the connecting rod 15 and the limiting plate 14 and the elastic block 13 is that the connecting rod 15 is movably hinged, the connecting rod 15 is mounted on the upper sliding block 901 through a rotating shaft, and when the elastic block 13 contracts inwards, the limiting plate 14 is driven to extend outwards through the connecting rod 15.
When the device is used, the left ring 5 and the right ring 6 form an integral snap ring through the connecting plate 7, the snap ring is clamped on the outer side of the shell 1, then the rotating button 11 is rotated, the rotating button 11 drives the two rotating plates 8 to rotate reversely through the gear 12, therefore, the upper slider 901 and the lower slider 902 which are respectively arranged on the two rotating plates 8 also move downwards simultaneously and are finally overlapped together, in the process, the pressure levers 10 on the two sliders respectively press the left belt 401 and the right belt 402 to be tightly attached to the shell 1, when the two pressure levers 10 respectively move to the end parts of the two shielding belts 4, the right belt 402 does not move any longer due to the limitation of the arc-shaped groove, meanwhile, the stopper on the right belt 402 prevents the lower slider 902 from moving continuously, the upper slider 901 drives the left belt 401 to be overlapped on the outer side of the lower slider 901, the overlapping state is shown in fig. 11, in the overlapping process, the elastic block 13 is pressed by the lower slider 902 to, and drive limiting plate 14 through connecting rod 15 and upwards remove, limiting plate 14 extrudes roof 16 right and inserts the inside of lower slider 902, and simultaneously, roof 16 withstands limiting plate 14 under reset spring's drive, and then make upper slider 901 and lower slider 902 produce dislocation locking, finally, make left side area 401 and right side area 402 closely laminate in the outside of shell 1, and limiting plate 14 withstands by roof 16, can not loosen because of the vibrations of shell 1, and then guaranteed sensor main part 3's installation fastness and security.
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 able to cover the technical scope of the present invention and the equivalent alternatives or modifications according to the technical solution and the inventive concept of the present invention within the technical scope of the present invention.
Claims (5)
1. The utility model provides a high partial discharge sensor erection equipment of security, includes shell (1), its characterized in that: the sensor comprises a shell (1), wherein an insulating basin (2) extending to the outer side of the shell is installed inside the shell (1), a sensor main body (3) and a shielding belt (4) are fixedly connected to the outer side of the insulating basin (2), a left ring (5) and a right ring (6) are respectively sleeved on the left side and the right side of the insulating basin (2) on the outer side of the shell (1), a connecting plate (7) is fixedly connected between the left ring (5) and the right ring (6), rotating plates (8) are movably connected inside one side of opposite surfaces of the left ring (5) and the right ring (6), an upper sliding block (901) is fixedly connected to one of opposite surfaces of the two rotating plates (8), and a lower sliding block (902) is fixedly connected to the other opposite surface of the two rotating plates (8); the upper sliding block (901) and the lower sliding block (902) are fixedly connected with pressing rods (10), the top of the connecting plate (7) is movably inserted with a rotating button (11), the bottom of the rotating button (11) is fixedly connected with gears (12) meshed with the two rotating plates (8), the upper sliding block (901) is movably inserted with an elastic block (13) and a limiting plate (14), the elastic block (13) and the limiting plate (14) are movably hinged through a connecting rod (15), and the lower sliding block (902) is movably inserted with a top plate (16).
2. A high safety partial discharge sensor mounting apparatus according to claim 1, wherein: the shielding belt (4) comprises a left belt (401) and a right belt (402), the left belt (401) and the right belt (402) are respectively and fixedly installed on the front surface and the back surface of the sensor main body (3), stop blocks are arranged on the bottom of the end part of the left belt (401) and the side edge of the end part of the right belt (402), the left ring (5) and the right ring (6) are respectively formed by a clamping plate and two arc plates, the two arc plates are movably hinged with the clamping plate, and the two arc plates are connected through a buckle.
3. A high safety partial discharge sensor mounting apparatus according to claim 1, wherein: the rotating plate (8) is formed by hinging a plurality of small short plates, and arc-shaped grooves corresponding to the rotating plate (8) are formed in the left ring (5) and the right ring (6).
4. A high safety partial discharge sensor mounting apparatus according to claim 1, wherein: the limiting plate (14) extends to the inside of the upper sliding block (901), a slot corresponding to the limiting plate (14) is formed in the upper sliding block (901), and the width of the slot is larger than that of the limiting plate (14).
5. A high safety partial discharge sensor mounting apparatus according to claim 1, wherein: all install reset spring on bullet piece (13) and roof (16), roof (16) are close to one side of limiting plate (14) and are provided with the slope, connecting rod (15) are the activity hinge with the relation of being connected of limiting plate (14) and bullet piece (13), and connecting rod (15) are installed on last slider (901) through the pivot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910449155.6A CN110045255B (en) | 2019-05-28 | 2019-05-28 | High partial discharge sensor erection equipment of security |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910449155.6A CN110045255B (en) | 2019-05-28 | 2019-05-28 | High partial discharge sensor erection equipment of security |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110045255A CN110045255A (en) | 2019-07-23 |
| CN110045255B true CN110045255B (en) | 2020-05-26 |
Family
ID=67283745
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910449155.6A Active CN110045255B (en) | 2019-05-28 | 2019-05-28 | High partial discharge sensor erection equipment of security |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110045255B (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202486277U (en) * | 2012-03-29 | 2012-10-10 | 北京市电力公司 | Partial discharging detecting device |
| CN202583399U (en) * | 2012-05-14 | 2012-12-05 | 杭州西湖电子研究所 | Combined device formed by ultrahigh frequency sensor and shielding soft base of sensor |
| CN202676755U (en) * | 2012-08-02 | 2013-01-16 | 广西电网公司电力科学研究院 | Fixed type mask tape |
| CN202975247U (en) * | 2012-11-23 | 2013-06-05 | 山东兴驰高压开关有限公司 | GIS PD partial-discharge on-line monitoring device |
| CN204706834U (en) * | 2015-05-18 | 2015-10-14 | 国家电网公司 | A kind of hanging type composite insulator windage yaw transducer sectional fixture |
| CN106018892A (en) * | 2016-05-24 | 2016-10-12 | 国家电网公司 | Ultrahigh frequency test shielding device of GIS |
| CN205981253U (en) * | 2016-08-18 | 2017-02-22 | 光大水务(济南)有限公司 | Sensor fixed establishment |
| CN206709961U (en) * | 2017-03-31 | 2017-12-05 | 武汉理工大学 | A kind of shaft tower installation device of sensor |
| CN208381684U (en) * | 2018-04-09 | 2019-01-15 | 左雅健 | A kind of fixed installation structure |
| CN208704920U (en) * | 2018-06-22 | 2019-04-05 | 深圳市麦科通电子技术有限公司 | A kind of pressure sensor structure |
-
2019
- 2019-05-28 CN CN201910449155.6A patent/CN110045255B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202486277U (en) * | 2012-03-29 | 2012-10-10 | 北京市电力公司 | Partial discharging detecting device |
| CN202583399U (en) * | 2012-05-14 | 2012-12-05 | 杭州西湖电子研究所 | Combined device formed by ultrahigh frequency sensor and shielding soft base of sensor |
| CN202676755U (en) * | 2012-08-02 | 2013-01-16 | 广西电网公司电力科学研究院 | Fixed type mask tape |
| CN202975247U (en) * | 2012-11-23 | 2013-06-05 | 山东兴驰高压开关有限公司 | GIS PD partial-discharge on-line monitoring device |
| CN204706834U (en) * | 2015-05-18 | 2015-10-14 | 国家电网公司 | A kind of hanging type composite insulator windage yaw transducer sectional fixture |
| CN106018892A (en) * | 2016-05-24 | 2016-10-12 | 国家电网公司 | Ultrahigh frequency test shielding device of GIS |
| CN205981253U (en) * | 2016-08-18 | 2017-02-22 | 光大水务(济南)有限公司 | Sensor fixed establishment |
| CN206709961U (en) * | 2017-03-31 | 2017-12-05 | 武汉理工大学 | A kind of shaft tower installation device of sensor |
| CN208381684U (en) * | 2018-04-09 | 2019-01-15 | 左雅健 | A kind of fixed installation structure |
| CN208704920U (en) * | 2018-06-22 | 2019-04-05 | 深圳市麦科通电子技术有限公司 | A kind of pressure sensor structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110045255A (en) | 2019-07-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110045255B (en) | High partial discharge sensor erection equipment of security | |
| CN106292253B (en) | Watch rear cover disassemblerassembler | |
| CN1218365A (en) | Housing assembly for electronic device | |
| CN101171430B (en) | Housing for an electric appliance | |
| CN111381009A (en) | Detection sensor adjusting mechanism for air pollution detection equipment | |
| CN104675833B (en) | Screw cover and its with the assembling structure in air port, air conditioner | |
| CN210784334U (en) | Wearable equipment | |
| CN113193318A (en) | Filter | |
| CN212342830U (en) | Wire connector | |
| KR20060101020A (en) | Slip ring for a power supply | |
| CN209787573U (en) | Auxiliary positioning device for assembling circuit board | |
| CN201576762U (en) | Equipment wire clamp | |
| CN214812910U (en) | Power frequency spark machine capable of preventing cable from deviating | |
| CN215393022U (en) | Novel electronic electric welding machine for frequency source production | |
| CN110769630A (en) | Electrical apparatus box, indoor set and air conditioner | |
| CN212136737U (en) | Automatic terminal block connector | |
| CN217213939U (en) | Manual fire alarm button | |
| CN220830601U (en) | Buckle formula plastic shell for electric power board | |
| CN211607104U (en) | Animal carcass harmless automatic control system | |
| CN213753409U (en) | Automatic terminal machine | |
| CN217385677U (en) | Full-voltage electric quantity defense monitoring wave recording device | |
| CN219737658U (en) | Pressing plate state detection assembly and pressing plate state detection device | |
| CN212810597U (en) | Multi-terminal wiring protection structure for switching power supply | |
| CN217562511U (en) | Fuse that security is good | |
| CN219778137U (en) | Matching component of temperature controller |
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 | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20200420 Address after: 200135 38 Lane 555, huanqiao Road, Pudong New Area, Shanghai Applicant after: Electric housekeeper Group Co.,Ltd. Address before: 310012 Room 1110, 29 Huanggushan Road, Xihu District, Hangzhou City, Zhejiang Province Applicant before: Hangzhou Junpo Technology Co.,Ltd. |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 201306 2nd floor, no.979 Yunhan Road, Lingang New Area, China (Shanghai) pilot Free Trade Zone, Pudong New Area, Shanghai Patentee after: Electric Housekeeper Group Co.,Ltd. Address before: No. 38, Lane 555, Huanqiao Road, Pudong New Area, Shanghai, 200135 Patentee before: Electric housekeeper Group Co.,Ltd. |