CN206023387U - Electric energy reception antenna and its wearable electronic of application - Google Patents
Electric energy reception antenna and its wearable electronic of application Download PDFInfo
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- CN206023387U CN206023387U CN201621032084.8U CN201621032084U CN206023387U CN 206023387 U CN206023387 U CN 206023387U CN 201621032084 U CN201621032084 U CN 201621032084U CN 206023387 U CN206023387 U CN 206023387U
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Abstract
Disclose a kind of electric energy reception antenna and apply its wearable electronic, the characteristics of disclosure has larger area using the wearable components of wearable electronic, by receiving coil being arranged in the main body of wearable components and wearable electronic, so that wearable electronic wearable components be connected with main body be formed as annular when, form the receiving coil, receiving coil axially across the annular.So as to so that the coil axial cross section product of electric energy reception antenna is essentially the area of the annular, drastically increases area coil, so as to improve radio energy receiving efficiency.
Description
Technical field
This utility model is related to non-contact power technology, and in particular to a kind of electric energy reception antenna and application its wearable
Electronic equipment.
Background technology
Non-contact power technology based on its convenient and practical the characteristics of and be widely used in electronics field, for example mobile electricity
Words, MP3 player, digital camera, portable computer etc..By taking existing mode of resonance contactless power supply device as an example, noncontact
Electric supply installation generally comprises a termination power being made up of electric energy transmitting antenna and electric energy reception antenna, electric energy transmitting antenna
Other element structures of emitting side resonance circuit, electric energy reception antenna and electric energy receiving terminal are constituted with other elements of electric energy transmitting terminal
Into receiving side resonance circuit.Identical by the resonant frequency of emitting side resonance circuit and receiving side resonance circuit to be set to, can
So that during emitting side resonance, the receiving side resonance circuit coupled with emitting side resonance circuit by electromagnetic field is also sent out
Raw resonance, is achieved in transmitting electric energy in a non-contact manner.
Meanwhile, wearable electronic it is generally desirable to be designed to volume less, and this is unfavorable for arranging charging inlet.By
This, non-contact power technology (or claiming wireless charging technology) has preferable application prospect in wearable electronic.
As shown in FIG. 1A and 1B, in wearable electronic as such as intelligent watch, electric energy reception antenna leads to
Often it is only arranged in the main body (namely dial plate) of electronic equipment.When being charged, intelligent watch needs for dial plate to be positioned over electricity
On energy transmitting terminal.As the main body of wearable electronic generally has less volume, therefore, the coil of electric energy reception antenna
Area can be limited to the area of setting face, and this is unfavorable for the transmission of wireless energy, and system effectiveness is relatively low.
Utility model content
In view of this, this utility model provides a kind of electric energy reception antenna and applies its wearable electronic, to carry
Electric energy reception antenna area in high wearable electronic, improves radio energy receiving efficiency.
A kind of first aspect, there is provided electric energy reception antenna for non-contact power, is applied to wearable electronic, institute
The main body that wearable electronic is included wearable components and is connected with the wearable components is stated, the electric energy reception antenna includes：
At least one receiving coil, the wire of the receiving coil is substantially along the wearable components and main body place face
Extend, the receiving coil is formed when the wearable components are connected and are formed as annular with the main body, the receiving coil
Axially across the annular.
Preferably, the wearable components include that the portion of wearing and connecting portion, described portion one end of wearing are connected with the main body, separately
One end is removably connected with the main body by connecting portion；
The wire of the receiving coil is included in the part that wears and extend on portion and the connecting portion, the connecting portion
For wearing described while portion and the main body are mechanically connected so that being arranged at the corresponding lead shape of the portion of wearing and main body
Into electrical connection, so as to form the receiving coil.
Preferably, the connecting portion includes：
Multiple the first conductive connectors, the wire for being arranged at the portion of wearing with the receiving coil are connected；And,
Multiple the second conductive connectors, are corresponded with first connector, are arranged at master with the receiving coil
The wire connection of body, is suitable to connect in the way of contacting with each other with corresponding first connector；
Mutually insulated between first connector, mutually insulated between second connector.
Preferably, the wearable components include that first wears portion, second wears portion and connecting portion, described first wear portion and
Second portion of wearing can removably be connected by the connecting portion；
Each described receiving coil include being arranged at the first Part I for wearing portion and be arranged at second wear portion the
Two parts and the Part III of the connecting portion is extended to, the connecting portion is used for portion and described the being worn by described first
Two portions of wearing be mechanically connected while so that be arranged at first wear portion and second wear portion corresponding lead formed electrical connection, from
And form the receiving coil.
Preferably, the connecting portion includes：
Multiple the first conductive connectors, are arranged at the first wire for wearing portion with the receiving coil and are connected；And,
Multiple the second conductive connectors, are corresponded with first connector, are arranged at the with the receiving coil
The two wire connections for wearing portion, are suitable to connect in the way of contacting with each other with corresponding first connector；
Mutually insulated between first connector, mutually insulated between second connector.
Preferably, first connector includes multiple optional link positions, is suitable to exist with the second corresponding connector
Different position connections；Or,
Second connector includes multiple optional link positions, is suitable to from the first corresponding connector in different positions
Put connection.
Preferably, the wearable components are at least partly made using flexible material.
Preferably, the receiving coil is formed at the surface of the wearable components or is arranged in the wearable components.
A kind of second aspect, there is provided wearable electronic, including：
Main body；
Wearable components, for being worn on human body by the equipment；And,
Electric energy reception antenna as above.
Preferably, the wearable electronic is intelligent watch, and the wearable components are watchband.
The characteristics of disclosure has larger area using the wearable components of wearable electronic, by setting receiving coil
It is placed in wearable components and wearable electronic main body so that be connected shape in the wearable components of wearable electronic with main body
When becoming annular, form the receiving coil, receiving coil axially across the annular.So as to so that electric energy reception antenna
The essentially described annular of coil axial cross section product area, drastically increase area coil, so as to improve radio energy
Receiving efficiency.
Description of the drawings
By description referring to the drawings to this utility model embodiment, of the present utility model above-mentioned and other mesh
, feature and advantage will be apparent from, in the accompanying drawings：
Figure 1A is the schematic diagram of electric energy reception antenna in prior art；
Figure 1B is the setting schematic diagram of wearable electronic and electric energy transmitting terminal in prior art；
Fig. 2A is the schematic diagram of the electric energy reception antenna of this utility model embodiment；
Fig. 2 B are the schematic diagrams of the non-contact electric energy receiving circuit of this utility model embodiment；
Fig. 2 C are the equivalent schematic of the wearable electronic with electric energy transmitting antenna of this utility model embodiment；
Fig. 3 A are the schematic diagrams that the wearable electronic of this utility model embodiment is coupled with electric energy transmitting terminal；
Fig. 3 B are the schematic diagrams of the transmitting coil of the electric energy transmitting antenna of Fig. 3 A；
Fig. 4 is the wearable electronic of this utility model embodiment and showing that electric energy transmitting terminal is coupled in another way
It is intended to；
Fig. 5 A are that the wearable electronic of this utility model embodiment is coupled in yet another form with electric energy transmitting terminal
Schematic diagram；
Fig. 5 B are the schematic diagrams of the transmitting coil of the electric energy transmitting antenna of Fig. 5 A.
Specific embodiment
This utility model is described below based on embodiment, but this utility model is not restricted to these enforcements
Example.Below to detailed description of the present utility model in, detailed describe some specific detail sections.To people in the art
For member, the description of part can also understand this utility model completely without these details.Of the present utility model in order to avoid obscuring
Essence, known method, process, flow process, element and circuit are not described in detail.
Additionally, it should be understood by one skilled in the art that accompanying drawing is provided to descriptive purpose provided herein, and
Accompanying drawing is not necessarily drawn to scale.
Unless the context clearly requires otherwise, otherwise entire disclosure and " including " in claims, "comprising" etc. are similar
Word should be construed to the implication for including rather than exclusive or exhaustive implication；That is, be " including but not limited to " contains
Justice.
In description of the present utility model, it is to be understood that term " first ", " second " etc. are only used for describing purpose,
And it is not intended that indicating or hint relative importance.Additionally, in description of the present utility model, unless otherwise stated, " many
Individual " it is meant that two or more.
This utility model embodiment is illustrated by taking intelligent watch as an example below, but, those skilled in the art are easy
Understand, application of the present utility model is not limited to intelligent watch, and any other wearable electronic with wearable components sets
Standby, for example, bluetooth earphone, intelligent head hoop, intelligent glasses etc. can be suitable for the technical scheme described in this utility model embodiment.
Fig. 2A is the schematic diagram of the electric energy reception antenna of this utility model embodiment one.As shown in Figure 2 A, the electricity is carried
The intelligent watch 1 of energy reception antenna includes main body 11 and watchband 12.Wherein, main body 11 is carried out the entity of 1 function of intelligent watch,
Which can be including watchcase, the display device for being arranged in watchcase or being integrated with watchcase setting, human-computer interaction device, process electricity
The (not shown)s such as road, power supply.Meanwhile, in order to realize carrying out radio energy reception, in main body 11, it is additionally provided with noncontact electricity
Can receiving circuit 2.Non-contact electric energy receiving circuit 2 is for (or referred to as wireless mode) in a non-contact manner from electric energy transmitting terminal
Receive electric energy.Fig. 2 B are the schematic diagrams of the non-contact electric energy receiving circuit of this utility model embodiment.As shown in Figure 2 B, noncontact
Electric energy receiving circuit includes electric energy reception antenna 21, impedance matching network 22 and rectification and voltage changer 23.Non- if necessary
Contact electric energy receiving circuit can also arrange telecommunication circuit 24.Telecommunication circuit 24 is used for being communicated with electric energy transmitting terminal 3.With
When, watchband 12 is used for for main body 11 being worn on human body, and for example, the wrist relative to human body is fixed.In fig. 2, watchband 12
It is divided into two parts 12a and 12b being mechanically connected respectively with main body 11, the two parts can pass through connecting portion 12c each other
Connection, so that whole intelligent watch is formed as ring-type, is fixed on the arm of human body.Easy to understand, watchband 12 can also set
It is set to, one end is fixedly connected with main body 11, and the other end is removably connected with main body 11.
It should be understood that in the present embodiment, watchband 12 is the wearable components of wearable electronic.In the wearable electricity
When sub- equipment is intelligent ring or intelligent head hoop or intelligent glasses, wearable electronic main body is fixed as human body by wearable components
Accessory structure, also, its be suitable to main body be together formed as annular.
As shown in Figure 2 A, electric energy reception antenna 21 includes at least one receiving coil.A receiving coil part is arranged at table
On band 12, another part is arranged in main body 11.The wire of receiving coil extends along watchband 12 and 11 place face of main body substantially.Tool
Body ground, the wire of receiving coil extend substantially along the length direction of watchband 12, and extend to different for connection table band
Partial connecting portion 12c.As shown in Figure 2 C, watchband 12 be connected with main body 11 be formed as annular when, along watchband 12 and main body
11 wires for extending are interconnected to form the receiving coil, the center axially across the annular of the receiving coil, that is,
Annular coaxial with intelligent watch 1.Area equation of the area (axial cross section product) of receiving coil substantially with annular, this is much larger than
Receiving coil is arranged on watchband 12 or in main body 11, such that it is able to bigger degree of freedom be provided for system design, is conveniently carried
Rise electric energy efficiency of transmission.
As shown in Figure 2 A, each described receiving coil includes being arranged at the Part I 21a of watchband 12a and is arranged at second
The Part II 21b for the wearing portion 12b and Part III 21c for extending to connecting portion 12c.Connecting portion 12c is by conductive material shape
Into for while the part 12a and 12b by watchband is mechanically connected so that the Part I 21a of receiving coil and reception line
The corresponding lead of circle 21b forms electrical connection by Part III 21c and connecting portion 12c, so as to form the receiving coil.Receive
The exit of coil is extended to be formed with the circuit for facilitating with arrange in main body in main body 11 and is connected.
For connecting portion 12c, which can include that multiple the first conductive connectors 121 and corresponding arrange conductive the
Two connectors 122.Wherein, the first connector 121 insulate each other.Second connector 122 insulate each other, thus, can
So that the wire between different circles will not be reconnected and form electrical connection at part 12c.Meanwhile, the first connector 121 and corresponding
Second connector 122 is suitable to connect in the way of contacting with each other, thus, it is possible to different piece 12a and 12b to watchband connects
Connect.122 equal conduction of the first connector 121 and corresponding second connector is additionally, since, therefore, when both are with way of contact machine
When tool connects, electrical connection is also set up simultaneously.Further, the first connector 121 and the second connector 122 are interconnected so that watchband 12
Different piece when connecting as one, the wire extended in the different piece of watchband 12 forms electrical connection, approximate so as to be formed
Spiral helicine receiving coil.For example, the first connector 121 can be grommet, and the second connector 122 can be adapted for
The metal needle that insertion grommet is fixed.In another optional embodiment, the first connector 121 and the second connector 122
For the metal buckle structure being mutually adapted.In yet another alternative embodiment, the first connector 121 and the second connector
122 is the Magnet and metal salient point that mutually can adsorb.
Preferably, as shown in Figure 2 A, the regulation of 12 length of watchband is carried out for convenience, and the first connector 121 or second connects
Fitting 122 includes multiple optional link positions, is suitable to from the second corresponding connector 122 or the first connector 121 different
Position connection.Thus, it is possible to not affect electric energy to receive while watchband length adjustment is carried out.
It is arranged to one end in watchband 12 to be fixedly connected with main body 11, the other end is removably connected with main body 11
When, the wire of receiving coil includes the part for extending to connecting portion 12c.Connecting portion 12c is made of an electrically conducting material, for wearing
So that being arranged at the wire formation electrical connection of the portion of wearing and main body while wearing portion and main body mechanical connection, so as to form described connecing
Take-up circle.
Specifically, connecting portion 12c includes first connector 121 and conductive second connector 122 of multiple conductions.First connects
The wire that fitting 121 is arranged at the portion of wearing with the receiving coil is connected.Second connector 122 is with first connector one by one
Corresponding, the wire for being arranged at main body with receiving coil is connected, and is suitable to corresponding first connector 121 in the way of contacting with each other
Connection.Mutually insulated between first connector 121, mutually insulated between the second connector 122.Thus, in the first connector 121
During with corresponding second connector, 122 mutual mechanical connection, the wire of the receiving coil being attached thereto is formed each other and is electrically connected
Connect, the wire so as to extend in the different piece of watchband 12 forms the receiving coil of approximate helical shape.
The electric energy reception antenna arranged in the mode of the present embodiment can as the design of electric energy transmitting terminal provide bigger from
By spending.Fig. 3 A are the signals that the wearable electronic of this utility model embodiment is coupled in one way with electric energy transmitting terminal
Figure.As a rule, the coil of electric energy reception antenna and electric energy transmitting antenna coil concentrically axle is needed.As shown in Figure 3A, can be by
Two of watchband 12 part connections are formed as ring-type rear enclosure located at being formed as 3 on the electric energy transmitting terminal of cylinder, electric energy transmitting terminal 3
Electric energy transmitting antenna 31 is set to the whole side for covering cylinder.The transmitting coil of electric energy transmitting antenna 31 is could be arranged to such as figure
Scroll shown in 3B.Thus, electric energy transmitting antenna can be axially coincident with electric energy reception antenna 21 in the axial direction of cylinder,
So as to obtain the preferable degree of coupling.Alternatively, transmitting coil could be arranged to the scroll similar with receiving coil.Thus, exist
When being oppositely arranged in mode shown in Fig. 3 A, no matter intelligent watch 1 is towards which direction, can obtain identical electric energy and receive effect
Really, the position freedom of electric energy receiving terminal is substantially increased.Fig. 4 is the wearable electronic of this utility model embodiment and electricity
The schematic diagram that energy transmitting terminal is coupled in another way.Similar with Fig. 3 A, the electric energy transmitting antenna 31 of electric energy transmitting terminal is arranged at
The side of cylinder.Except for the difference that, the intelligent watch that can be formed as ring-type after two parts of watchband are connected is positioned over the post
The inside of body.Similarly, when transmitting antenna covers whole body side, no matter intelligent watch 1 is towards which direction, can be with
Obtain identical electric energy reception.
Meanwhile, wearable electronic 1 and electric energy transmitting terminal 3 can be by being coupled in the way of as shown in Figure 5A.?
In Fig. 5 A, the electric energy transmitting antenna of electric energy transmitting terminal 3 is arranged to conventional plane.As shown in Figure 5 B, transmitting coil can be with
It is arranged to basic at least one concentric turns extended along plane.Now the axis of transmitting coil perpendicular to be located plane, this
When, the intelligent watch that connection is formed as annular is positioned in the plane, due to the axle of the receiving coil of electric energy reception antenna
Line passes through the annular, and therefore, receiving coil can be coaxial with transmitting coil, so as to obtain the preferable degree of coupling, improves electric energy
Laser propagation effect.
It should be understood that in the present embodiment, watchband 11 at least can be made using flexible material, to facilitate which to be connected as ring-type
Or expand into plane.But, in optional other embodiment, watchband 11 or other wearable electronics wear portion
Part can also be prepared with rigid material, and with the curved surface of electric energy reception antenna can be arranged.
Meanwhile, receiving coil is formed at the surface of watchband 12 or is arranged in watchband, is integrally formed with watchband 12.
The characteristics of this utility model embodiment has larger area using the wearable components of wearable electronic, by inciting somebody to action
Receiving coil is arranged in wearable components and main body so that is connected with main body in the wearable components of wearable electronic and is formed as
When annular, form the receiving coil, receiving coil axially across the annular.So as to so that the line of electric energy reception antenna
The area of the essentially described annular of circle axial cross section product, drastically increases area coil, so as to improve radio energy reception
Efficiency.
Preferred embodiment of the present utility model is the foregoing is only, this utility model is not limited to, for this area
For technical staff, this utility model can have various changes and change.All institutes within spirit of the present utility model and principle
Any modification, equivalent substitution and improvements of work etc., should be included within protection domain of the present utility model.
Claims (10)
1. a kind of electric energy reception antenna for non-contact power, is applied to wearable electronic, and the wearable electronic sets
The standby main body for including wearable components and being connected with the wearable components, the electric energy reception antenna are included：
At least one receiving coil, the wire of the receiving coil prolong along the wearable components and main body place face substantially
Stretch, the receiving coil, the axle of the receiving coil is formed when the wearable components are connected and are formed as annular with the main body
To through the annular.
2. electric energy reception antenna according to claim 1, it is characterised in that the wearable components include the portion of wearing and connection
Portion, described portion one end of wearing are connected with the main body, and the other end is removably connected with the main body by connecting portion；
The wire of the receiving coil is included in the part that wears and extend on portion and the connecting portion, and the connecting portion is used for
Wearing described while portion and the main body are mechanically connected so that the corresponding lead for being arranged at the portion of wearing and main body forms electricity
Connection, so that form the receiving coil.
3. electric energy reception antenna according to claim 2, it is characterised in that the connecting portion includes：
Multiple the first conductive connectors, the wire for being arranged at the portion of wearing with the receiving coil are connected；And,
Multiple the second conductive connectors, are corresponded with first connector, are arranged at main body with the receiving coil
Wire connects, and is suitable to connect in the way of contacting with each other with corresponding first connector；
Mutually insulated between first connector, mutually insulated between second connector.
4. electric energy reception antenna according to claim 1, it is characterised in that the wearable components include first wear portion,
Second wears portion and connecting portion, and described first wears portion and second portion of wearing can pass through the connecting portion with dismountable
Mode connects；
Each described receiving coil includes that being arranged at first wears the Part I in portion and be arranged at the second wear portion second
Divide and extend to the Part III of the connecting portion, the connecting portion is used for portion and second pendant being worn by described first
Wear portion be mechanically connected while so that be arranged at first wear portion and second wear portion corresponding lead formed electrical connection, so as to shape
Into the receiving coil.
5. electric energy reception antenna according to claim 4, it is characterised in that the connecting portion includes：
Multiple the first conductive connectors, are arranged at the first wire for wearing portion with the receiving coil and are connected；And,
Multiple the second conductive connectors, are corresponded with first connector, are arranged at the second pendant with the receiving coil
The wire connection in portion is worn, is suitable to connect in the way of contacting with each other with corresponding first connector；
Mutually insulated between first connector, mutually insulated between second connector.
6. the electric energy reception antenna according to claim 3 or 5, it is characterised in that first connector include multiple can
Link position is selected, is suitable to connect in different positions from the second corresponding connector；Or,
Second connector includes multiple optional link positions, is suitable to connect in different positions from the first corresponding connector
Connect.
7. electric energy reception antenna according to claim 1, it is characterised in that the wearable components are at least partly using flexibility
Material is made.
8. electric energy reception antenna according to claim 1, it is characterised in that the receiving coil is formed at described wears portion
The surface of part is arranged in the wearable components.
9. a kind of wearable electronic, including：
Main body；
Wearable components, for being worn on human body by the equipment；And,
Electric energy reception antenna as any one of claim 1-8.
10. wearable electronic according to claim 9, it is characterised in that the wearable electronic is intelligence
Wrist-watch, the wearable components are watchband.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621032084.8U CN206023387U (en) | 2016-08-31 | 2016-08-31 | Electric energy reception antenna and its wearable electronic of application |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621032084.8U CN206023387U (en) | 2016-08-31 | 2016-08-31 | Electric energy reception antenna and its wearable electronic of application |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206023387U true CN206023387U (en) | 2017-03-15 |
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ID=58259394
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621032084.8U Active CN206023387U (en) | 2016-08-31 | 2016-08-31 | Electric energy reception antenna and its wearable electronic of application |
Country Status (1)
| Country | Link |
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| CN (1) | CN206023387U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106130197A (en) * | 2016-08-31 | 2016-11-16 | 矽力杰半导体技术(杭州)有限公司 | Electric energy reception antenna and the wearable electronic applying it |
| CN110574231A (en) * | 2017-03-31 | 2019-12-13 | 阿莫技术有限公司 | Loop antenna and earphone module with same |
| CN111430886A (en) * | 2020-03-26 | 2020-07-17 | RealMe重庆移动通信有限公司 | Wearable device |
| CN112882377A (en) * | 2019-11-29 | 2021-06-01 | RealMe重庆移动通信有限公司 | Wearable electronic equipment |
-
2016
- 2016-08-31 CN CN201621032084.8U patent/CN206023387U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106130197A (en) * | 2016-08-31 | 2016-11-16 | 矽力杰半导体技术(杭州)有限公司 | Electric energy reception antenna and the wearable electronic applying it |
| CN110574231A (en) * | 2017-03-31 | 2019-12-13 | 阿莫技术有限公司 | Loop antenna and earphone module with same |
| CN110574231B (en) * | 2017-03-31 | 2021-08-17 | 阿莫技术有限公司 | Loop antenna and earphone module with same |
| CN112882377A (en) * | 2019-11-29 | 2021-06-01 | RealMe重庆移动通信有限公司 | Wearable electronic equipment |
| CN111430886A (en) * | 2020-03-26 | 2020-07-17 | RealMe重庆移动通信有限公司 | Wearable device |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200303 Address after: 210042 302, Xuanwu Road, 7, Xuanwu Road, Xuanwu District, Nanjing, Jiangsu, China, 7 Patentee after: Silergy Semiconductor Technology (Hangzhou) Ltd. Address before: 310012 room A1501, technology building, East Software Park, No. 90, Wensan Road, Hangzhou, Zhejiang Patentee before: Silergy Semiconductor Technology (Hangzhou) Ltd. |
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| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 210042 302, Xuanwu Road, 7, Xuanwu Road, Xuanwu District, Nanjing, Jiangsu, China, 7 Patentee after: Nanjing Sili Microelectronics Technology Co., Ltd Address before: 210042 302, Xuanwu Road, 7, Xuanwu Road, Xuanwu District, Nanjing, Jiangsu, China, 7 Patentee before: Silergy Semiconductor Technology (Hangzhou) Ltd. |