CN106229216B - Relay cover and compressor using same - Google Patents

Relay cover and compressor using same Download PDF

Info

Publication number
CN106229216B
CN106229216B CN201610890754.8A CN201610890754A CN106229216B CN 106229216 B CN106229216 B CN 106229216B CN 201610890754 A CN201610890754 A CN 201610890754A CN 106229216 B CN106229216 B CN 106229216B
Authority
CN
China
Prior art keywords
lead
relay cover
string holes
relay
compressor
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
CN201610890754.8A
Other languages
Chinese (zh)
Other versions
CN106229216A (en
Inventor
王良泽
崔中
徐敏
刘文智
陈娟娟
曹政
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.)
Gree Electric Appliances Inc of Zhuhai
Gree Green Refrigeration Technology Center Co Ltd of Zhuhai
Original Assignee
Gree Electric Appliances Inc of Zhuhai
Gree Green Refrigeration Technology Center Co Ltd of Zhuhai
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 Gree Electric Appliances Inc of Zhuhai, Gree Green Refrigeration Technology Center Co Ltd of Zhuhai filed Critical Gree Electric Appliances Inc of Zhuhai
Priority to CN201610890754.8A priority Critical patent/CN106229216B/en
Publication of CN106229216A publication Critical patent/CN106229216A/en
Application granted granted Critical
Publication of CN106229216B publication Critical patent/CN106229216B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H45/00Details of relays
    • H01H45/02Bases; Casings; Covers

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Compressor (AREA)

Abstract

The invention discloses a relay cover, during installation, firstly, wiring at a wiring terminal is identified according to the aperture and the appearance, the wiring corresponds to the wiring terminal in sequence, the length is adjusted, a ground wire of an outgoing line is clamped into an R1 hole, a capacitance wire is clamped into an R2 hole, a power line is clamped into an R3 hole, and the relay cover is sequentially installed and pressed layer by layer. After confirming that the hole line corresponds, correspond the spacing department of buckle with the cooperation department of relay support, it can to compress tightly the buckle. The scheme is as follows: 1. the processing is simple and convenient, the production and the processing are convenient, the cost is not increased, and additional parts, complex lead wires and waterproof devices are not required to be added; 2. the problems of lead installation, water resistance and the like can be effectively solved, the production is convenient and orderly, the universality and the practicability are good, and the safety and the reliability of the compressor for power utilization are ensured. The invention also discloses a compressor applying the relay cover, which is particularly suitable for a totally-enclosed reciprocating piston compressor.

Description

A kind of relay cover and the compressor using it
Technical field
The present invention relates to technical field of electric appliances, in particular to a kind of relay cover and the compressor using it.
Background technique
In refrigerator reciprocating-piston compressor, relay cover mainly for the protection of binding post outlet Electrical Safety, It is provided with lead-out wire, water-tight device.But existing this relay cover has that structure is complicated, installation trouble, it is additional increase at This deficiency.
In addition, currently require that line is installed relay cover before in the production line, is used with process modification before Relay cover, production installation is inconvenient, quick, and part-structure can interfere screw to be installed.
Ye You producer devises some relay covers at present, and device is complicated, and difficult to install or extra cost is high, real It is low with property.
Summary of the invention
In view of this, not needing to increase the crimping of additional part and complexity, drawing the present invention provides a kind of relay cover Line apparatus, lead-out wire mouth can be integrally formed with relay cover, effectively solve the problems, such as that lead installation is troublesome, and making to produce convenient has Sequence guarantees that compressor Electrical Safety is reliable.
The present invention also provides a kind of compressors using above-mentioned relay cover.
To achieve the above object, the invention provides the following technical scheme:
A kind of relay cover offers lead-out wire mouth thereon;
The lead-out wire mouth includes multiple string holes communicated, between the wherein at least two neighboring string holes central axis Minimum range is less than the sum of the two radius.
Preferably, the lead-out wire mouth further includes inlet wire notch;The inner end of the inlet wire notch is connected at least one institute String holes is stated, the outer end of the inlet wire notch is the uncovered structure for being opened in the relay cover open end.
Preferably, multiple string holes are sequentially communicated and are finally connected to the inner end of the inlet wire notch, wherein close to interior The aperture of the string holes in portion is less than close to the aperture of the external string holes.
Preferably, multiple string holes for being sequentially communicated and being finally connected to inlet wire notch inner end can with it is respective Lead interference fit, and wherein close to the magnitude of interference of internal relatively interior string holes and its lead, it is adjacent less than with the string holes compared in And close to the magnitude of interference of external relatively outer string holes and its lead.
Preferably, multiple to be sequentially communicated and be finally connected in the string holes of inlet wire notch inner end, it is inner most The string holes is the first string holes cooperated for same first lead, and the string holes being connected to first string holes is for the Second string holes of two leads interference fit.
Preferably, first string holes can be with the first lead transition fit or interference fit, and its magnitude of interference Less than second string holes with the magnitude of interference of second lead.
Preferably, inwardly protruding formation is limited between the inner end of the inlet wire notch and the string holes of connection adjacent thereto At position.
Preferably, the maximum width of the inlet wire notch is less than the diameter for the string holes being connected to its inner end.
Preferably, it is that acute angle tilts down structure that the lead-out wire mouth, which has the angle between horizontal direction,.
Preferably, the relay cover outwardly convex, which is formed with, allows bit architecture.
Preferably, described to allow bit architecture that block the lead-out wire mouth being disposed below.
Preferably, the relay cover has the buckle structure for the installation cooperation of same compressor relay bracket.
Preferably, the relay cover has the position limiting structure securely assembled for same compressor relay bracket.
A kind of compressor, including relay cover, the relay cover are above-mentioned relay cover.
It can be seen from the above technical scheme that relay cover provided by the invention, is installed in the string holes of lead-out wire mouth After corresponding lead, realizes and mutually compressed between neighbouring lead.The processing is simple for this programme conveniently, is not required to additional part and increases Cost, it is effective to solve the problems, such as that lead installs trouble, make to produce convenient orderly, versatility and practicability height, guarantee compressor use It is electric safe and reliable.The present invention also provides a kind of compressors using above-mentioned relay cover, are particularly suitable for totally-enclosed reciprocating Piston compressor.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with It obtains other drawings based on these drawings.
Fig. 1 is the schematic view of the front view of relay cover provided in an embodiment of the present invention;
Fig. 2 is the left view structural representation of relay cover provided in an embodiment of the present invention;
Fig. 3 is the lead-out wire mouth structure schematic diagram of relay cover provided in an embodiment of the present invention;
Fig. 4 is the schematic perspective view of relay cover provided in an embodiment of the present invention.
Wherein, 10 be lead-out wire mouth, and 11 be the first string holes, and 12 be the second string holes, and 13 be third string holes, and 14 be spacing place, 15 be inlet wire notch;20 is allow bit architecture;30 be buckle structure;40 be position limiting structure.
Specific embodiment
The invention discloses a kind of relay cover and using its compressor, do not need to increase additional part and complexity The problems such as crimping, thread guide devices, lead-out wire mouth can be integrally formed with relay cover, effectively solve lead installation, waterproof, makes to produce It is convenient orderly, guarantee that compressor Electrical Safety is reliable.
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other Embodiment shall fall within the protection scope of the present invention.
Relay cover provided in an embodiment of the present invention, core improvement are, offer lead-out wire mouth 10, structure thereon It is referred to shown in Fig. 1-Fig. 4;
The lead-out wire mouth 10 includes multiple string holes communicated, the minimum between wherein at least two neighboring string holes central axis Distance is less than the sum of the two radius.Preferably, parallel between each string holes, then each lead is also parallel in it, in order to assemble;This The distance between two hole center of circle Shi Xianglin, when design, are less than the sum of the radius in adjacent two hole.Certainly, not parallel between each string holes Also can, details are not described herein.
It can be seen from the above technical scheme that relay cover provided in an embodiment of the present invention, in the line of lead-out wire mouth 10 After corresponding lead is installed in hole, realizes and mutually compressed between neighbouring lead.The processing is simple for this programme conveniently, is not required to additional Part increase cost, it is effective to solve the problems, such as lead installation trouble, make to produce convenient orderly, versatility and practicability height, guarantee Compressor Electrical Safety is reliable.The design can be adapted for a variety of electric appliances, especially as a kind of reciprocating-piston compressor Oil circuit relay cover.
, it is understood that respective lead can be and its string holes transition fit or interference fit;Certainly, adjacent two It is neighbouring between the lead of its string holes clearance fit in the case that minimum range between a string holes central axis is sufficiently small It can be realized and mutually compress.
Lead, which can be, pierces into its corresponding string holes along axial direction.In order to advanced optimize above-mentioned technical solution, lead-out wire Mouth 10 further includes inlet wire notch 15;The inner end of the inlet wire notch 15 is connected at least one string holes, and the outer end of inlet wire notch 15 is It is opened in the uncovered structure of relay cover open end, as Figure 1-Figure 4, relay cover surrounds the installation cavity of open at one end.This Sample one, lead can be sticked into radially in its corresponding string holes via inlet wire notch 15, especially suitable for wire ends The case where through connection other equipment, realize quick assembling.Preferably, the inlet of inlet wire notch 15 is provided with the guiding knot of flaring Structure, in order to assemble.
To advanced optimize above-mentioned technical solution, multiple string holes are sequentially communicated and are finally connected to the interior of inlet wire notch 15 End, wherein being less than close to the aperture of internal string holes close to the aperture of external string holes.As shown in figure 3, by lead according to diameter It is ascending to be caught in the hole R1, the hole R2 and the hole R3, it successively installs, successively compresses.It is understood that being close to inlet wire here The direction of notch 15 is outer, otherwise is interior.
Preferably, multiple string holes for being sequentially communicated and being finally connected to 15 inner end of inlet wire notch can be with respective lead It is interference fitted, and the wherein magnitude of interference of the relatively interior string holes and its lead of close inside, is less than outside same adjacent compared with interior string holes and close The magnitude of interference of the relatively outer string holes and its lead in portion effectively compresses internal lead with the lead outside guaranteeing.
In the specific embodiment that this programme provides, multiple lines being sequentially communicated and be finally connected to 15 inner end of inlet wire notch Kong Zhong, inner most string holes are the first string holes 11 cooperated for same first lead, and the string holes being connected to the first string holes 11 is to use In the second string holes 12 with the second lead interference fit.Second lead of interference fit can play good limit to first lead Position pressuring action.
Further, the first string holes 11 can be with first lead transition fit or interference fit, and its magnitude of interference is less than The magnitude of interference of same second lead of second string holes 12, the fixed effect of lead are more preferable.
This programme is described further below with reference to practical structures:
There are three lead-in wires at compressor wiring, is ground wire (i.e. first lead), capacitor line (i.e. the second lead), power supply respectively Line (i.e. third lead).Lead-out wire mouth 10 devises three string holes for installing lead.Inner most string holes diameter is R1 (i.e. first String holes 11), corresponding lead-out wire is ground line, and R1 and ground line outer diameter may be designed as transition fit or slight interference fit; Intermediate string holes diameter is R2 (i.e. the second string holes 12), and corresponding lead-out wire is capacitor line, and the outer diameter of the outer envelope curve skin of R2 capacitor line is set It is calculated as being interference fitted, magnitude of interference is big with respect to R1, while compressing capacitor line, also compresses ground line, limits the work of ground line It is dynamic;Outermost string holes aperture is R3 (i.e. third string holes 13), and corresponding lead-out wire is power supply line, the outer envelope curve skin of R3 and power supply line Outer diameter is designed as being interference fitted, and chooses biggish magnitude of interference, if can not just compress drawing for internal two holes because of exit orifice line play Outlet.
Preferably, transition connection section is at least arranged between two neighboring string holes, and its width is less than the two string holes The diameter of middle smaller, to play higher position-limiting action;Specifically, being arranged at least between parallel two neighboring string holes straight The transition connection section of line style, and it is parallel to the connection plane of the central axis of the two string holes, structure is referred to Fig. 2-Fig. 4 institute Show.
In order to advanced optimize above-mentioned technical solution, between the inner end of inlet wire notch 15 and the string holes of connection adjacent thereto It is inwardly protruding to be formed with spacing place 14.As shown in figure 3, devising a stuck point spacing place 14 by R3, lead is prevented to be detached from line Hole makes whole more secure and reliable.
Preferably, the maximum width of inlet wire notch 15 is less than the diameter for the string holes being connected to its inner end, to draw to outermost Line plays position-limiting action.Specifically, lead wire outlet is straightway, width is less than outermost bore dia in design.Such as Fig. 2 and Shown in Fig. 3, the first string holes 11, the second string holes 12 are parallel with the axis of 13 this three of third string holes, and center is conllinear, i.e. lead-out wire Mouthfuls 10 be linear type structure, convenient for lead assembly and be fixed.
In this programme embodiment, it is that the outer of acute angle is sloped downwardly that lead-out wire mouth 10, which has the angle between horizontal direction, Structure to increase the contact area with line outer diameter, while having prevented water droplet from penetrating into relay cover along lead.Such as Fig. 1 and Fig. 2 institute Show, lead-out wire mouth 10 specifically can be and be provided in the vertical side walls of relay cover, with horizontal position at 30 ° of angles.It can manage Solution, up and down direction here is for the practical set state of relay cover.
In order to advanced optimize above-mentioned technical solution, relay cover outwardly convex, which is formed with, allows bit architecture 20.Specifically may be used Using as the installation site for being grounded wherein one end, effect is to step down at this, and installation is avoided to interfere.
Meanwhile allowing bit architecture 20 that can block the lead-out wire mouth 10 being disposed below as waterproof.
It is mounted on compressor relay bracket specifically, relay cover passes through buckle structure 30 at two, installing and dismounting side Just quick.Further, relay cover has the position limiting structure 40 securely assembled for same compressor relay bracket.In Fig. 1 Shown relay cover is provided with spacing place at three, for assembling limit, firmly installs relay cover, no shaking.
In conclusion the embodiment of the invention provides a kind of relay covers, during installation, first the wiring at binding post is pressed Aperture, shape identification, correspond in order, adjust length, the ground wire of lead-out wire is caught in the hole R1, and capacitor line is caught in the hole R2, electricity Source line card enters the hole R3, successively installs, and successively compresses.After confirming that hole line is corresponding, the cooperation of spacing place and relay stand will be buckled Place corresponds to, and compresses buckle.This programme: 1, it is convenient that the processing is simple, and it is convenient to produce and process, and is not required to increase cost, does not need to increase Add lead, the water-tight device of additional part and complexity;2, the problems such as can effectively solve the problem that lead installation, waterproof, makes production just Prompt orderly versatility and practicability are good, guarantee that compressor Electrical Safety is reliable.The embodiment of the invention also provides in a kind of application The compressor for stating relay cover is particularly suitable for full enclosed reciprocating type piston compressor.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with other The difference of embodiment, the same or similar parts in each embodiment may refer to each other.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one The widest scope of cause.

Claims (11)

1. a kind of relay cover, which is characterized in that offer lead-out wire mouth (10) thereon;
The lead-out wire mouth (10) includes multiple string holes communicated, between the wherein at least two neighboring string holes central axis Minimum range is less than the sum of the two radius;
The lead-out wire mouth (10) further includes inlet wire notch (15);The inner end of the inlet wire notch (15) is connected at least one institute String holes is stated, the outer end of the inlet wire notch (15) is the uncovered structure for being opened in the relay cover open end;It is multiple successively to connect The string holes that is logical and being finally connected to inlet wire notch (15) inner end can be interference fitted with respective lead, and wherein be leaned on It is close internal relatively in string holes and its lead magnitude of interference, it is adjacent less than the same string holes compared in and close to external relatively outer string holes and The magnitude of interference of its lead;
The inlet of the inlet wire notch (15) is provided with the guide frame of flaring, in order to assemble.
2. relay cover according to claim 1, which is characterized in that multiple string holes are sequentially communicated and are finally connected to The inner end of the inlet wire notch (15), wherein being less than close to the aperture of the internal string holes close to the hole of the external string holes Diameter.
3. relay cover according to claim 1, which is characterized in that the lead-out wire mouth (10) devises three lines Hole is for installing lead.
4. relay cover according to claim 1, which is characterized in that the inner end of the inlet wire notch (15) and adjacent thereto It is inwardly protruding between the string holes of connection to be formed with spacing place (14).
5. relay cover according to claim 1, which is characterized in that the maximum width of the inlet wire notch (15) is less than same The diameter of the string holes of its inner end connection.
6. relay cover according to claim 1, which is characterized in that the lead-out wire mouth (10) have with horizontal direction it Between angle be that acute angle tilts down structure.
7. relay cover described in -6 any one according to claim 1, which is characterized in that the relay cover outwardly convex shape Cheng Yourang bit architecture (20).
8. relay cover according to claim 7, which is characterized in that described that bit architecture (20) can be blocked under it The lead-out wire mouth (10) of side.
9. relay cover according to claim 7, which is characterized in that the relay cover has for same compressor relay The buckle structure (30) of device bracket installation cooperation.
10. relay cover according to claim 7, which is characterized in that the relay cover have for same compressor after The position limiting structure (40) that electric support securely assembles.
11. a kind of compressor, including relay cover, which is characterized in that the relay cover is as claim 1-10 is any one Relay cover described in.
CN201610890754.8A 2016-10-12 2016-10-12 Relay cover and compressor using same Active CN106229216B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610890754.8A CN106229216B (en) 2016-10-12 2016-10-12 Relay cover and compressor using same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610890754.8A CN106229216B (en) 2016-10-12 2016-10-12 Relay cover and compressor using same

Publications (2)

Publication Number Publication Date
CN106229216A CN106229216A (en) 2016-12-14
CN106229216B true CN106229216B (en) 2019-06-14

Family

ID=58076274

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610890754.8A Active CN106229216B (en) 2016-10-12 2016-10-12 Relay cover and compressor using same

Country Status (1)

Country Link
CN (1) CN106229216B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110223882A (en) * 2019-05-13 2019-09-10 黄石祥宇轻工配件有限公司 A kind of relay cover

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201153229Y (en) * 2007-12-17 2008-11-19 上海鸣志电器有限公司 Motor wire cap
CN202585253U (en) * 2012-05-25 2012-12-05 黄石东贝电器股份有限公司 Relay cover assembly used for refrigeration compressor
CN102820170A (en) * 2012-08-31 2012-12-12 合肥美的荣事达电冰箱有限公司 Compressor assembly used for refrigerator and relay cover of compressor assembly
CN203596318U (en) * 2013-11-29 2014-05-14 青岛宝兰格制冷有限公司 Relay cover assembly used for hermetioally sealed refrigerant compressor
CN203594576U (en) * 2013-10-28 2014-05-14 四川丹甫制冷压缩机股份有限公司 Fixing frame for compressor relay cover
CN206148364U (en) * 2016-10-12 2017-05-03 珠海格力节能环保制冷技术研究中心有限公司 Relay cover and use its compressor

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009200039A (en) * 2008-01-21 2009-09-03 Fuji Electric Fa Components & Systems Co Ltd Closed electromagnetic relay
CN204592581U (en) * 2015-03-13 2015-08-26 天津市信霖塑料制品有限公司 A kind of new oil pipe clamp

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201153229Y (en) * 2007-12-17 2008-11-19 上海鸣志电器有限公司 Motor wire cap
CN202585253U (en) * 2012-05-25 2012-12-05 黄石东贝电器股份有限公司 Relay cover assembly used for refrigeration compressor
CN102820170A (en) * 2012-08-31 2012-12-12 合肥美的荣事达电冰箱有限公司 Compressor assembly used for refrigerator and relay cover of compressor assembly
CN203594576U (en) * 2013-10-28 2014-05-14 四川丹甫制冷压缩机股份有限公司 Fixing frame for compressor relay cover
CN203596318U (en) * 2013-11-29 2014-05-14 青岛宝兰格制冷有限公司 Relay cover assembly used for hermetioally sealed refrigerant compressor
CN206148364U (en) * 2016-10-12 2017-05-03 珠海格力节能环保制冷技术研究中心有限公司 Relay cover and use its compressor

Also Published As

Publication number Publication date
CN106229216A (en) 2016-12-14

Similar Documents

Publication Publication Date Title
US20140190735A1 (en) Window compatible electrical power device
CN106229216B (en) Relay cover and compressor using same
JPS5853477B2 (en) Wire twist prevention device
CN207150315U (en) Combined motor terminal plate
CN206517004U (en) Terminal box and electric bicycle
US20150070894A1 (en) Lamp string apparatus and method of manufacturing thereof
CN205452651U (en) Electric automobile charging connector plug
CN207200421U (en) The stator module and motor of motor
JPH10112958A (en) Terminal box of electric equipment
CN206148364U (en) Relay cover and use its compressor
US20200350713A1 (en) Hybrid type wire-to-wire connector structure and power supply device having the same
CN208209040U (en) A kind of anti-dropout electrical wire connector
CN201966731U (en) Wiring structure of electric compressor
CN208673768U (en) Waterproof video harness
CN205846271U (en) Rotatable binding post
CN211062929U (en) Connector with detachable wiring terminal
CN208423994U (en) motor wiring structure and motor
CN208506084U (en) Quick connecting device for cable intermediate joint
CN208045791U (en) A kind of high-voltage connecting wire box
CN107967987A (en) A kind of T-shaped current transformer at for transformer secondary connection end
CN207994115U (en) The connector construction of cable
CN208674439U (en) A kind of photovoltaic rectangular connector
CN206686014U (en) A kind of connecting terminal of motor and motor
CN201526863U (en) Christmas lamp group
CN218866843U (en) Easy-to-assemble micro filter with connector

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
TA01 Transfer of patent application right

Effective date of registration: 20190507

Address after: 519000 Qianshan Golden Chicken West Road in Zhuhai, Guangdong

Applicant after: GREE ELECTRIC APPLIANCES,Inc.OF ZHUHAI

Applicant after: GREE GREEN REFRIGERATION TECHNOLOGY CENTER Co.,Ltd. OF ZHUHAI

Address before: 519070 9 Building (Science and technology building) 789 Jinji Road, Qianshan, Zhuhai, Guangdong

Applicant before: GREE GREEN REFRIGERATION TECHNOLOGY CENTER Co.,Ltd. OF ZHUHAI

TA01 Transfer of patent application right
GR01 Patent grant
GR01 Patent grant