CN207554764U - The offline filtration system of high-precision wind turbine gearbox - Google Patents

The offline filtration system of high-precision wind turbine gearbox Download PDF

Info

Publication number
CN207554764U
CN207554764U CN201721660989.4U CN201721660989U CN207554764U CN 207554764 U CN207554764 U CN 207554764U CN 201721660989 U CN201721660989 U CN 201721660989U CN 207554764 U CN207554764 U CN 207554764U
Authority
CN
China
Prior art keywords
filter
wind turbine
filtration system
oil strain
turbine gearbox
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
CN201721660989.4U
Other languages
Chinese (zh)
Inventor
周国贞
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.)
Nanjing Xunlian Hydraulic Technology Co ltd
Original Assignee
Nanjing Xunlian Intelligent 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 Nanjing Xunlian Intelligent Technology Co Ltd filed Critical Nanjing Xunlian Intelligent Technology Co Ltd
Priority to CN201721660989.4U priority Critical patent/CN207554764U/en
Application granted granted Critical
Publication of CN207554764U publication Critical patent/CN207554764U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/70Wind energy
    • Y02E10/72Wind turbines with rotation axis in wind direction

Landscapes

  • Filtration Of Liquid (AREA)

Abstract

The utility model discloses a kind of offline filtration system of high-precision wind turbine gearbox, its key points of the technical solution are that a kind of offline filtration system of high-precision wind turbine gearbox, including:Filter device connect to form filtration circuit with the gear-box of wind-driven generator;The motor pump group part that filter device includes filter assemblies, connect with filter assemblies;Pressure switch and draining valve are connected on filter assemblies;Full by-pass relief valve is connected in motor pump group part.The technical issues of solving the problem of is easily to generate safety in the case of not replacing filter core in time.The technique effect reached is, in the bypass connected in motor pump group part, hair can be opened when pressure reaches 2.8bar safely so that oil liquid pressure when further increasing can safety overflow, avoid equipment damage.

Description

The offline filtration system of high-precision wind turbine gearbox
Technical field
The utility model is related to a kind of filtration systems, the more particularly to offline filtration system of high-precision wind turbine gearbox.
Background technology
Since the in short supply and government of resource encourages and supports, wind power industry growth momentum to the policy of regenerative resource It is powerful, it is limited to technical deficiency, in the operational process of wind power generating set, can inevitably breaks down, and in wind-power electricity generation In each parts of unit, it is original longest, and that gear-box is caused to break down that the failure of gear-box, which causes downtime, Because mainly gear lubrication effect is bad.
At present, notification number in the market is that the Chinese patent of CN201386631Y discloses a kind of wind-driven generator wheel-box Lubrication oil filtration system, it includes gear-box, coarse filter, filter device, A types oil pump and Type B oil pump.
In said program, employ filter device and filter and carry out thick, smart filtering respectively, each lubricating oil will pass through two Secondary filter action could export, and actually there are stopping states for two independent filtrations, are not replacing filter core in time In the case of easily lead to the problem of safety.
Utility model content
The purpose of this utility model is to provide a kind of offline filtration system of high-precision wind turbine gearbox, and advantage is the mistake Filter body is safer reliable.
The above-mentioned technical purpose of the utility model technical scheme is that:A kind of high-precision wind-powered electricity generation tooth The offline filtration system of roller box, including:
Filter device connect to form filtration circuit with the gear-box of wind-driven generator;
The motor pump group part that filter device includes filter assemblies, connect with filter assemblies;
Pressure switch and draining valve are connected on filter assemblies;
Full by-pass relief valve is connected in motor pump group part.
Through the above technical solutions, the gear-box of wind-driven generator needs the lubrication of lubricating oil so as to carry out next step work Make, in specific works, fluid inputs lubricating oil by the effect of motor pump group part to filter assemblies, and filter assemblies are to lubricating oil Further filtered;When the filtration use in filter assemblies to a certain degree after, under the penetrating power of filtration It drops, filter assemblies will generate blocking at this time, and filter efficiency is relatively low when fluid is further passed through, and with the infiltration of filtration Efficiency declines, and the pressure inside filter assemblies will gradually increase, and the pressure switch connected on filter assemblies reaches in pressure It will be closed during 2.38bar, it at this time will be so that outside line conducting, generates alarm;At this time in order to reduce risk, in motor pump group part Hair can be opened the bypass of upper connection when pressure reaches 2.8bar safely, so that oil liquid pressure can when further increasing Safety overflow avoids equipment damage;In addition it is right in time using draining valve by the discharge of extra fluid after this is happened Filtration in filter assemblies is replaced, so that normal operation of the equipment in later stage work, therefore the fortune of the system Turn safer reliable.
The utility model is further arranged to:Pressure gauge is connected on the filter assemblies.
Through the above technical solutions, the range of pressure gauge is 0 ~ 6bar, it in actual use can be by pressure gauge to filtering The pressure condition of component internal is observed in real time, thus will improve using flexible degree, increases the convenience that operating personnel use.
The utility model is further arranged to:Sampling valve is connected on the filter assemblies.
Through the above technical solutions, sampling valve can sample the fluid in filter assemblies, the quality of fluid is thus detected, It is easy to operate.
The utility model is further arranged to:The filter assemblies include mutual separable oil strain seat, oil strain upper cover, filter Pipe laying is wholely set on the bottom side of font, pipe laying extends to the oil outlet of oil strain seat outer wall, is fixedly connected with and holds in oil strain seat Spindle, be arranged on bearing shaft it is several filter in the form of annular discs is laminated, filter is mixed by lignocellulosic and linter It is made.
Through the above technical solutions, the concrete structure of filter assemblies employs oil strain seat, oil strain upper cover, the press fitting of oil strain upper cover Sealing is realized on oil strain seat, will submerge the filter being laminated after fluid enters oil strain seat, fluid from filter it is circumferential to The center of circle is permeated, and is gradually penetrated into pipe laying and flowed out, and the lignocellulosic of filter and linter are not only filtered in fluid at this time Solid particulate matter, while also the moisture absorption in fluid can be which thereby enhanced filtering accuracy so that the purity of fluid is more Height has better lubricant effect.
The utility model is further arranged to:Air bleeding valve is connected on the filter assemblies.
Through the above technical solutions, when lubricating oil is passed through inside filter assemblies, thus the pumping of air bleeding valve sustainability makes Obtaining can make full use of the filter of stacking to carry out full of fluid, follow-up fluid inside oil strain seat and oil strain upper cover in infiltration Filter, multiple filters play filter effect, improve filter effect.
The utility model is further arranged to:The filter assemblies further include the axle sleeve being socketed on bearing shaft, axle sleeve The shaft shoulder is used to press filter;The counterbalance spring that pressing filter is covered for impeller-hub, spiral shell on bearing shaft are arranged on bearing shaft Line is connected with the adjusting nut for adjusting counterbalance spring decrement.
Through the above technical solutions, the axle sleeve on filter assemblies is pressed together on filter, after filter is pressed, between opposite Gap is smaller, while employs the structure of counterbalance spring, and when filter is gradually consumed and compressed, the integral thickness of filter subtracts Small, but since counterbalance spring gradually restores deformation, the shaft shoulder of axle sleeve presses filter always, thus each filter is still Keep higher cooperation tight ness rating;During assembling, adjusting nut can be used and cause counterbalance spring that there is certain decrement, further During the use of filter, counterbalance spring can gradually restore deformation so that filter keeps fitting, realizes preferable Filter effect.
The utility model is further arranged to:The oil strain seat is equipped with the annular groove for the inserting of oil strain upper cover, and annular groove embeds Equipped with the first sealing ring;Lid is equipped with positioning straight slot on oil strain, positions and seal head is fitted on straight slot, and seal head passes through positioning logical Slot is threadedly coupled with bearing shaft, and the outer ring of seal head is equipped with the second sealing ring being bonded with positioning straight slot.
Through the above technical solutions, when oil strain seat and oil strain upper cover coordinate, bearing shaft, sealing are threadedly coupled using seal head Head will compress oil strain upper cover during thread fitting, and oil strain seat and oil strain upper cover keep close by the first sealing ring The phenomenon that being bonded, reducing oil leak, and seal head is fitted closely with oil strain upper cover by the holding of the second sealing ring, reduces oil leak The phenomenon that.
The utility model is further arranged to:The one end of the axle sleeve far from its shaft shoulder is equipped with interior land, the wall of interior land Third sealing ring is embedded on face.
Through the above technical solutions, the diameter of interior land is slightly less than the diameter of axle sleeve, it can be held in the palm and connect using the structure of interior land Counterbalance spring, while the inner wall of interior land is fitted closely by the outer wall of third sealing ring and bearing shaft, which thereby enhances sealing Property, reduce the situation that fluid leakage enters pipe laying directly across filter.
The utility model is further arranged to:The oil strain seat is equipped with the pallet placed for filter, and pallet is equipped with Different and concentric about the pallet concentric convex ring of several internal diameters.
Through the above technical solutions, the concentric convex ring on pallet can be embedded in filter upwards, multiple blocking is consequently formed, Fluid is avoided directly to penetrate into pipe laying without filter, improve the utilizing status of filter.
The utility model is further arranged to:The shaft shoulder of the axle sleeve is equipped with several internal diameters difference and about axle sleeve The concentric concentric lower convex ring of axial line.
Through the above technical solutions, the concentric lower convex ring on axle sleeve can be embedded in downwards filter, multiple blocking is consequently formed, It is identical with the principle of concentric convex ring, and direction is on the contrary, thus the two cooperation, forms close leakage preventing structure, avoid fluid straight It connects and penetrates into pipe laying without filter, improve the utilizing status of filter.
In conclusion the utility model has the advantages that:
1st, there is higher safety, be mainly reflected in the effect of leakproofness, warning effect and overflow in time;
2nd, there is higher filter efficiency, be mainly reflected in the multiple layer poststack of filter, coverage area is larger, realizes Comprehensive efficient filter effect.
Description of the drawings
Fig. 1 is the structure diagram that the present embodiment embodies oil outlet position;
Fig. 2 is the structure diagram that the present embodiment embodies pressure switch position;
Fig. 3 is the Integral connection structure hydraulic principle schematic diagram of the present embodiment;
Fig. 4 is the explosive view of the present embodiment;
Fig. 5 is the structure diagram after the present embodiment installation filter;
Fig. 6 is the sectional view of the present embodiment;
Fig. 7 a are enlarged drawings at A in Fig. 6;
Fig. 7 b are enlarged drawings at B in Fig. 6;
Fig. 7 c are enlarged drawings at C in Fig. 6.
Reference numeral:1st, filter device;2nd, filter assemblies;21st, oil strain seat;211st, pipe laying;212nd, oil outlet;213rd, it accepts Axis;214th, annular groove;215th, the first sealing ring;22nd, oil strain upper cover;221st, straight slot is positioned;222nd, seal head;223rd, the second sealing Circle;23rd, filter;24th, axle sleeve;241st, interior land;242nd, third sealing ring;243rd, concentric lower convex ring;25th, counterbalance spring;26、 Adjusting nut;27th, pallet;271st, concentric convex ring;3rd, motor pump group part;4th, gear-box;5th, pressure switch;6th, draining valve;7、 Full by-pass relief valve;8th, pressure gauge;9th, sampling valve;10th, air bleeding valve.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
Embodiment:With reference to figure 1, the offline filtration system of a kind of high-precision wind turbine gearbox, including filter device 1, filtering Device 1 includes filter assemblies 2 and the motor pump group part 3 that is connect with filter assemblies 2, and motor pump group part 3 is pumped and fluid is defeated Enter filter assemblies 2, filter assemblies 2 are by the fluid foldback gear-box 4 after filtering(It is shown in Fig. 3).
With reference to the structure diagram of Fig. 3, gear-box 4 connects motor pump group part 3 and filter assemblies 2, is connected in motor pump group part 3 There is full by-pass relief valve 7, pressure of the full by-pass relief valve 7 inside filter assemblies 2 can backflow fluid when being more than 2.8bar to gear Case 4;Sampling valve 9 is connected between filter assemblies 2 and motor pump group part 3, for taking fluid sample;It is connected on filter assemblies 2 Pressure gauge 8, air bleeding valve 10, pressure switch 5 and draining valve 6, concrete structure can refer to Fig. 1 and Fig. 2, and pressure gauge 8 can detect in real time The pressure value of 2 inner cavity of filter assemblies feeds back on pressure gauge 8 and is directly observed for operating personnel;Pressure switch 5 is in filter assemblies 2 Internal pressure will be closed when reaching 2.38bar, and external circuit is connected, and further may be such that the alarm in external circuit Operating personnel's timely processing is reminded in alarm, and operating personnel can be discharged the fluid inside filter assemblies 2 by draining valve 6, thus So that 2 inside of filter assemblies is depressured.
With reference to figure 4, filter assemblies 2 include the oil strain seat 21 to cooperate and oil strain upper cover 22, are integrally set in oil strain seat 21 It is equipped with pipe laying 211(With reference to figure 6), pipe laying 211 extends to the oil outlet 212 of 21 outer wall of oil strain seat.The center of oil strain seat 21 is fixed Bearing shaft 213 is connected with, the upper half segment structure of the bearing shaft 213 has screw thread, and oil strain seat 21 is equipped with to be inserted for oil strain upper cover 22 The annular groove 214 of dress, the first sealing ring 215 is embedded in annular groove 214, and oil strain upper cover 22 is equipped with positioning straight slot 221, positions straight slot Seal head 222 is inserted on 221.When oil strain upper cover 22 is snapped on oil strain seat 21, seal head 222 can be inserted into positioning straight slot 221, while seal head 222 is threadedly coupled with the epimere of bearing shaft 213 so that oil strain seat 21 is fitted closely with oil strain upper cover 22, In order to increase the leakproofness of seal head 222, the outer ring of seal head 222 is equipped with the second sealing ring being bonded with positioning straight slot 221 223。
With reference to figure 4 and Fig. 5, oil strain seat 21 is provided centrally with pallet 27, and the continuing surface of pallet 27 is larger, for multiple mistakes Filter disc 23 stacks, and filter 23 is mixed using wood fibre and linter, and fluid is penetrated into from the peripheral surface of filter 23 Backward center convergence further converges into pipe laying 211 and exports again, which not only filters the solid particle in fluid, Also absorbable moisture simultaneously, increases fluid purity;In order to enable fluid submerges all filters 23, needing will by air bleeding valve 10 Inner air evacuates, and filter efficiency improves after fluid submerges all filters 23.Axle sleeve 24, axle sleeve are arranged on bearing shaft 213 24 inner hollows pass through for bearing shaft 213, and the shaft shoulder of axle sleeve 24 is pressed on filter 23, with increase each filter 23 it Between tight ness rating, avoid fluid without filtering directly penetrate into pipe laying 211.Counterbalance spring 25 is socketed on bearing shaft 213, is accepted Adjusting nut 26 is threaded on axis 213, one end of counterbalance spring 25 compresses axle sleeve 24(It is compressible on the outer wall), the other end Relative position is adjusted by adjusting nut 26.Filter 23 is integrally crushed after repeated filtration, therefore utilizes counterbalance spring 25 Elastic potential energy cause filter 23 always in the state that mutually compresses so that whole fluid can pass through filter 23 Filtering enters back into pipe laying 211.
Inner-structure reference Fig. 6 after assembling, the filter 23 in bottom side are pressed on pallet 27, the filtering in top side Piece 23 is compressed by axle sleeve 24, and such as Fig. 7 c, it is different and concentric about pallet 27 that several internal diameters are equipped in the upper surface of pallet 27 Concentric convex ring 271, such as Fig. 7 b, be equipped on the shaft shoulder of axle sleeve 24 several it is concentric about the axial line of axle sleeve 24 it is concentric under Bulge loop 243, concentric convex ring 271 and concentric lower convex ring 243 can be embedded in filter 23, multiple blocking are consequently formed, avoids Fluid directly penetrates into pipe laying 211 without filter 23, improves the utilization ratio of filter 23.
With reference to figure 6 and Fig. 7 a, the end of axle sleeve 24 forms the interior land 241 of convex, and the interior land 241 is for counterbalance spring 25 contradict, and thereby compensate for that the length that spring 25 can be stretched into axle sleeve 24 is longer, can deformation length range it is larger;Axle sleeve 24 it is interior Third sealing ring 242 is embedded in land 241, third sealing ring 242 is bonded with the outer wall of bearing shaft 213, further increases Leakproofness.
This specific embodiment is only explanation to the utility model, is not the limitation to the utility model, ability Field technique personnel can as needed make the present embodiment the modification of no creative contribution after this specification is read, but As long as it is all protected in the right of the utility model by Patent Law.

Claims (10)

1. a kind of offline filtration system of high-precision wind turbine gearbox, which is characterized in that including:
Filter device (1) connect to form filtration circuit with the gear-box (4) of wind-driven generator;
The motor pump group part (3) that filter device (1) is connect including filter assemblies (2), with filter assemblies (2);
Pressure switch (5) and draining valve (6) are connected on filter assemblies (2);
Full by-pass relief valve (7) is connected in motor pump group part (3).
2. the offline filtration system of high-precision wind turbine gearbox according to claim 1, which is characterized in that the filtering group Pressure gauge (8) is connected on part (2).
3. the offline filtration system of high-precision wind turbine gearbox according to claim 1, which is characterized in that the filtering group Sampling valve (9) is connected on part (2).
4. the offline filtration system of high-precision wind turbine gearbox according to claim 1, which is characterized in that the filtering group Part (2) includes mutual separable oil strain seat (21), oil strain upper cover (22), and pipe laying has been wholely set on the bottom side of oil strain seat (21) (211), pipe laying (211) extends to the oil outlet (212) of oil strain seat (21) outer wall, and bearing shaft is fixedly connected in oil strain seat (21) (213), several stackings filter (23) in the form of annular discs is arranged on bearing shaft (213), filter (23) is by lignocellulosic It is mixed with linter.
5. the offline filtration system of high-precision wind turbine gearbox according to claim 4, which is characterized in that the filtering group Air bleeding valve (10) is connected on part (2).
6. the offline filtration system of high-precision wind turbine gearbox according to claim 5, which is characterized in that the filtering group Part (2) further includes the axle sleeve (24) being socketed on bearing shaft (213), and the shaft shoulder of axle sleeve (24) is used to press filter (23);It holds The counterbalance spring (25) for axle sleeve (24) to be pushed to press filter (23), spiral shell on bearing shaft (213) are arranged in spindle (213) Line is connected with the adjusting nut (26) for adjusting counterbalance spring (25) decrement.
7. the offline filtration system of high-precision wind turbine gearbox according to claim 6, which is characterized in that the oil strain seat (21) annular groove (214) for oil strain upper cover (22) inserting is equipped with, the first sealing ring (215) is embedded in annular groove (214);Oil strain Upper cover (22) is equipped with positioning straight slot (221), is fitted with seal head (222) on positioning straight slot (221), seal head (222) passes through Positioning straight slot (221) is threadedly coupled with bearing shaft (213), and the outer ring of seal head (222) is equipped with what is be bonded with positioning straight slot (221) Second sealing ring (223).
8. the offline filtration system of high-precision wind turbine gearbox according to claim 7, which is characterized in that the axle sleeve (24) one end far from its shaft shoulder is equipped with interior land (241), and third sealing ring (242) is embedded on the wall surface of interior land (241).
9. the offline filtration system of high-precision wind turbine gearbox according to claim 8, which is characterized in that the oil strain seat (21) pallet (27) placed for filter (23) is equipped with, pallet (27) is equipped with several internal diameters difference and about pallet (27) concentric concentric convex ring (271).
10. the offline filtration system of high-precision wind turbine gearbox according to claim 9, which is characterized in that the axle sleeve (24) the shaft shoulder is equipped with several internal diameters difference and the concentric lower convex ring (243) concentric about the axial line of axle sleeve (24).
CN201721660989.4U 2017-12-02 2017-12-02 The offline filtration system of high-precision wind turbine gearbox Active CN207554764U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721660989.4U CN207554764U (en) 2017-12-02 2017-12-02 The offline filtration system of high-precision wind turbine gearbox

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721660989.4U CN207554764U (en) 2017-12-02 2017-12-02 The offline filtration system of high-precision wind turbine gearbox

Publications (1)

Publication Number Publication Date
CN207554764U true CN207554764U (en) 2018-06-29

Family

ID=62678925

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201721660989.4U Active CN207554764U (en) 2017-12-02 2017-12-02 The offline filtration system of high-precision wind turbine gearbox

Country Status (1)

Country Link
CN (1) CN207554764U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107806508A (en) * 2017-12-02 2018-03-16 南京讯联智能科技有限公司 The offline filtration system of high-precision wind turbine gearbox

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107806508A (en) * 2017-12-02 2018-03-16 南京讯联智能科技有限公司 The offline filtration system of high-precision wind turbine gearbox

Similar Documents

Publication Publication Date Title
CN203335685U (en) Yawing brake of wind power generation device
CN207554764U (en) The offline filtration system of high-precision wind turbine gearbox
CN102997027A (en) Novel precise filter
CN108071783A (en) A kind of transmission mechanism of generator
CN207124514U (en) A kind of waterproof structure for motor
CN204532690U (en) With the Wind turbines water brake power plant that automatically controlled wind wheel lock is tight
CN107806508A (en) The offline filtration system of high-precision wind turbine gearbox
CN203225616U (en) 600MW nuclear power conventional island auxiliary generator seal oil system
CN205478909U (en) Oil supplementing system for dynamic and static pressure bearing of grinding machine
CN104405777A (en) Wind power generation combination contraction locking disk
CN203516257U (en) Hydraulic regulating system of single-cylinder hydrocone crusher
CN217056489U (en) Pressure relief device of multi-pin shearing structure
CN104747371A (en) Wind turbine generator hydraulic braking power device with electronic control wind wheel locking effect
CN203823052U (en) Rubber sealing plug
CN209370181U (en) Hydraulic control system in wind power equipment
CN103557425B (en) The super fine filter of disc type list filter core
CN109707772B (en) Hybrid braking mechanism of wind driven generator
CN203323952U (en) Ceramic pressure secondary protection joint
CN206522162U (en) A kind of small turbine axial displacement probe signal line oil-proof device
CN207642694U (en) A kind of tooling of processing thin-walled ring
CN207064617U (en) A kind of vertical mill reducer input shaft supporting construction
CN201671754U (en) Environmental protection power generating device
CN201735253U (en) Filtering device and turbine regulating device
CN206072000U (en) A kind of pressure filter compressing structure
CN218062878U (en) Wind power main shaft brake valve group

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
CP03 Change of name, title or address
CP03 Change of name, title or address

Address after: Room 1638, Hatching Building, No. 99, Tuanjie Road, Yanchuang Park, China (Jiangsu) Pilot Free Trade Zone, Nanjing, Jiangsu Province, 210000

Patentee after: Nanjing Xunlian Hydraulic Technology Co.,Ltd.

Address before: 210049 Tianma Road, Maqun Science Park, Maqun Street, Qixia District, Nanjing City, Jiangsu Province

Patentee before: SOLINER (NANJING) INTELLIGENT TECHNOLOGY Co.,Ltd.