CN206758168U - A kind of sandwich of Inverter fed motor enamel-covered wire - Google Patents
A kind of sandwich of Inverter fed motor enamel-covered wire Download PDFInfo
- Publication number
- CN206758168U CN206758168U CN201720673263.8U CN201720673263U CN206758168U CN 206758168 U CN206758168 U CN 206758168U CN 201720673263 U CN201720673263 U CN 201720673263U CN 206758168 U CN206758168 U CN 206758168U
- Authority
- CN
- China
- Prior art keywords
- fed motor
- inverter fed
- main body
- covered wire
- enamel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000000576 coating method Methods 0.000 claims abstract description 34
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 24
- 239000011248 coating agent Substances 0.000 claims abstract description 23
- 229910052802 copper Inorganic materials 0.000 claims abstract description 23
- 239000010949 copper Substances 0.000 claims abstract description 23
- 230000004888 barrier function Effects 0.000 claims abstract description 19
- 239000002937 thermal insulation foam Substances 0.000 claims abstract description 15
- 238000003466 welding Methods 0.000 claims abstract description 4
- 230000000694 effects Effects 0.000 claims description 5
- 238000010521 absorption reaction Methods 0.000 claims description 4
- 239000003973 paint Substances 0.000 claims description 4
- 239000007787 solid Substances 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims description 2
- 229920002379 silicone rubber Polymers 0.000 claims description 2
- 230000032683 aging Effects 0.000 abstract description 4
- 239000010410 layer Substances 0.000 description 32
- 238000009413 insulation Methods 0.000 description 3
- 239000011247 coating layer Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000003365 glass fiber Substances 0.000 description 2
- 239000011229 interlayer Substances 0.000 description 2
- 239000004922 lacquer Substances 0.000 description 2
- 229920000728 polyester Polymers 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 210000003298 dental enamel Anatomy 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 150000003949 imides Chemical class 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 210000003462 vein Anatomy 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
Landscapes
- Insulation, Fastening Of Motor, Generator Windings (AREA)
Abstract
The utility model discloses a kind of sandwich of Inverter fed motor enamel-covered wire, its structure includes baffle plate, conductive plate, central sill, Inverter fed motor enamel-covered wire main body, neck, high temperature resistant sleeve pipe, PAI Tu layers, Inverter fed motor coating, PE coatings, copper cash, the baffle plate is that two lateral sections are equal and be mutually perpendicular to square, baffle plate inner surface center in H types and is mutually perpendicular to the welding of central sill both side surface end, the Inverter fed motor enamel-covered wire main body section is circle, the edge of Inverter fed motor enamel-covered wire main body four is located at central sill surface, the linking tape lower surface is flexibly connected with casing main body Surface Edge along using gap fiting mode.The utility model is provided with high temperature resistant sleeve pipe, casing main body is clasped by linking tape, silastic-layer makes yarn layer drive heat insulation foam to isolate external high temperature, insulating barrier makes copper cash insulate through Inverter fed motor coating, during casing main body aging, linking tape can be pulled open to change casing main body, effectively improve Inverter fed motor enamel-covered wire main body high temperature resistant efficiency.
Description
Technical field
The utility model is a kind of sandwich of Inverter fed motor enamel-covered wire, belongs to Inverter fed motor enamel-covered wire field.
Background technology
Corona-resistant wire enamel envelope curve is a principal item of winding wire, is made up of conductor and insulating barrier two, bare wire
After annealed softening, then by repeatedly painting, baking forms.But produce and both meet standard requirement, meet customer requirement again
Product be not easy to, it by the factors such as raw material quality, technological parameter, production equipment, environment influence, therefore, various enamel-covers
The mass property of line is different, but all possesses mechanical performance, chemical property, electrical property, four big performance of hot property.
Prior art discloses Application No.：200920096563.X a kind of Inverter fed motor enamel-covered wire sandwich, should
The cross-sectional structure of enamel-covered wire is followed successively by copper core, the high-temperature polyester coating of modification, corona-resistant insulation lacquer coat, polyamides from inside to outside
Amine acid imide coating.The thickness of corona-resistant insulation lacquer coat accounts for 35%-45% of total coating layer thickness or so.Modified high-temperature polyester
The thickness of coating accounts for 50%-60% of total coating layer thickness or so.Effect of the present utility model is that the structure enamel-covered wire not only has
Some performances of general enamel-covered wire, but also there is very high anti-corona performance, correlation test proves, the anti-arteries and veins of this enamel-covered wire
It is 100 times of other enamel-covered wires or so to rush the life-span, serves the effect of the service life for extending motor and energy-conservation, fully meets change
The requirement of frequency motor.But it, which is disadvantageous in that, can not make Inverter fed motor enamel-covered wire to high temperature insulating, easily making Inverter fed motor
Enamel-covered wire reduces service life.
Utility model content
In view of the deficienciess of the prior art, the utility model purpose is to provide a kind of interlayer knot of Inverter fed motor enamel-covered wire
Structure, Inverter fed motor enamel-covered wire can not be made to high temperature insulating, easily making Inverter fed motor enamel-covered wire reduce service life to solve the said equipment
The problem of.
To achieve these goals, the utility model is to realize by the following technical solutions：A kind of Inverter fed motor enamel-cover
The sandwich of line, its structure include baffle plate, conductive plate, central sill, Inverter fed motor enamel-covered wire main body, neck, high temperature resistant sleeve pipe, PAI
Tu layer, Inverter fed motor coating, PE coatings, copper cash, the baffle plate are that two lateral sections are equal and be mutually perpendicular to square, table on the inside of baffle plate
Face center in H types and is mutually perpendicular to the welding of central sill both side surface end, and the Inverter fed motor enamel-covered wire main body section is circle, resistance to
The edge of corona enamel-covered wire main body four is located at central sill surface, and the conductive plate section is square, and central sill center of inside is provided with
Conductive plate surrounding edge, the copper cash is outer wall and inside is solid cylindrical structure, and copper cash is by electrically connecting conductive plate, institute
State baffle plate inner surface center to weld and be mutually perpendicular to central sill both side surface end, the central sill inner surface is located at conductive plate
Outer side edges along and both ends be in same level, the conductive plate is by electrically connecting Inverter fed motor enamel-covered wire main body, the Inverter fed motor paint
Envelope curve main body surrounded surface is flexibly connected with neck inner surface using interference fits mode, and the baffle plate over top is provided with card
Groove outer surface edge and it is mutually perpendicular to, the high temperature resistant sleeve pipe inner surface is located at PAI Tu layer outer surface surroundings, described resistance to
Corona coating outer surface is provided with PAI Tu layer inner surfaces, and the Inverter fed motor coating cross sections is circular, Inverter fed motor coating bottom table
Face is flexibly connected with PE coatings using interference fit.The high temperature resistant sleeve pipe is by insulating barrier, heat insulation foam, casing main body, yarn
Layer, silastic-layer, linking tape composition, the insulating barrier outer surface are located at Inverter fed motor enamel-covered wire body interior surface, it is described every
Hot cotton interior surface is flexibly connected with insulating barrier using interference fit, described sleeve pipe main body inner surface by heat insulation foam with
Insulating barrier outer surface connects, and the yarn layer top surface is located at silastic-layer side surface and is parallel to each other, the linking tape
Absorption surface is provided with silastic-layer top surface, and the linking tape lower surface is coordinated with casing main body Surface Edge along using gap
Mode is flexibly connected.
Further, two lateral section is equal and the cylindrical structure that is parallel to each other, and copper cash is by electrically connecting conductive plate.
Further, the PE coat insides surface is located on copper cash outer surface.
Further, the central sill both sides are provided with 2 pieces of baffle plates.
Further, the middle beam length is 15cm-19cm.
Further, the conductive plate grows a width of 5cm*5cm.
Further, the central sill has plastics to be made.
Further, the central sill supports the use with conductive plate.
The beneficial effects of the utility model is clasp provided with high temperature resistant sleeve pipe, casing main body by linking tape, silastic-layer
Yarn layer is set to drive heat insulation foam to isolate external high temperature, insulating barrier makes copper cash insulate through Inverter fed motor coating, can during casing main body aging
Pull open linking tape to change casing main body, effectively improve Inverter fed motor enamel-covered wire main body high temperature resistant efficiency.
Brief description of the drawings
By reading the detailed description made with reference to the following drawings to non-limiting example, other spies of the present utility model
Sign, objects and advantages will become more apparent upon：
Fig. 1 is a kind of structural representation of the sandwich of Inverter fed motor enamel-covered wire of the utility model；
Fig. 2 is a kind of internal structure schematic diagram of the sandwich of Inverter fed motor enamel-covered wire of the utility model.
Fig. 3 is high temperature resistant sleeve pipe schematic diagram of the present utility model.
Baffle plate -1 in figure, conductive plate -2, central sill -3, Inverter fed motor enamel-covered wire main body -4, neck -5, high temperature resistant sleeve pipe -6, absolutely
Edge layer -601, heat insulation foam -602, casing main body -603, yarn layer -604, silastic-layer -605, linking tape -606, PAI Tu layer -7,
Inverter fed motor coating -8, PE coatings -9, copper cash -10.
Embodiment
Technological means, creation characteristic, reached purpose and effect to realize the utility model are easy to understand, below
With reference to embodiment, the utility model is expanded on further.
Fig. 1-Fig. 3 is referred to, the utility model provides a kind of technical scheme：A kind of interlayer knot of Inverter fed motor enamel-covered wire main body
Structure, its structure include baffle plate 1, conductive plate 2, central sill 3, Inverter fed motor enamel-covered wire main body 4, neck 5, high temperature resistant sleeve pipe 6, PAI Tu layers
7th, Inverter fed motor coating 8, PE coatings 9, copper cash 10, the baffle plate 1 is that two lateral sections are equal and be mutually perpendicular to square, in baffle plate 1
Side surface center in H types and is mutually perpendicular to the welding of the both side surface end of central sill 3, and the section of Inverter fed motor enamel-covered wire main body 4 is
Circle, the edge of Inverter fed motor enamel-covered wire main body 4 four are located at the surface of central sill 3, and the section of conductive plate 2 is square, in central sill 3
Portion center is provided with the surrounding edge of conductive plate 2, and the copper cash 10 is outer wall and inside is solid cylindrical structure, and copper cash 10 passes through
Conductive plate 2 is electrically connected, the inner surface of baffle plate 1 center is welded and is mutually perpendicular to, the central sill with the both side surface end of central sill 3
3 inner surfaces are located at the outer side edges of conductive plate 2 edge and both ends are in same level, and the conductive plate 2 is by electrically connecting Inverter fed motor paint
Envelope curve main body 4, the surrounded surface of Inverter fed motor enamel-covered wire main body 4 are connected with the inner surface of neck 5 using the activity of interference fits mode
Connect, the over top of baffle plate 1 is provided with the outer surface edge of neck 5 and is mutually perpendicular to, and the inner surface of high temperature resistant sleeve pipe 6 is set
In the outer surface surrounding of PAI Tu layer 7, the outer surface of Inverter fed motor coating 8 is provided with the inner surface of PAI Tu layer 7, the Inverter fed motor
The section of coating 8 is circle, and the lower surface of Inverter fed motor coating 8 is flexibly connected with PE coatings 9 using interference fit.The resistance to height
Warm sleeve 6 is made up of insulating barrier 601, heat insulation foam 602, casing main body 603, yarn layer 604, silastic-layer 605, linking tape 606, institute
State the outer surface of insulating barrier 601 and be located at the interior surface of Inverter fed motor enamel-covered wire main body 4, the interior surface of heat insulation foam 602 and insulation
Layer 601 is flexibly connected using interference fit, and the inner surface of described sleeve pipe main body 603 passes through heat insulation foam 602 and insulating barrier 601
Outer surface connects, and the top surface of yarn layer 604 is located at the side surface of silastic-layer 605 and is parallel to each other, the linking tape
606 absorption surfaces are provided with the top surface of silastic-layer 605, the lower surface of linking tape 606 and the Surface Edge edge of casing main body 603
It is flexibly connected using gap fiting mode.Two lateral section is equal and the cylindrical structure that is parallel to each other, copper cash 10 pass through electricity
Connect conductive plate 2.The interior surface of PE coatings 9 is located on the outer surface of copper cash 10.The both sides of central sill 3 are provided with 2 pieces of baffle plates
1.The length of central sill 3 is 15cm-19cm.The conductive plate 2 grows a width of 5cm*5cm.
High temperature resistant sleeve pipe 6 also known as fireproof casing described in this patent, silicon rubber glass fibre sleeve, using high-purity alkali-free
Glass fibre is compiled into pipe, then is formed in pipe outer wall coating organic silica gel through vulcanizing treatment.
When user installs the utility model, the inner surface of high temperature resistant sleeve pipe 6 is arranged on the outer surface of PAI Tu layer 7
Surrounding, Inverter fed motor enamel-covered wire main body 4 are wrapped on central sill 3 by neck 5, copper cash 10 is communicated conduction, sleeve pipe master with conductive plate 2
Body 603 is clasped by linking tape 606, and silastic-layer 605 makes yarn layer 604 drive heat insulation foam 602 to isolate external high temperature, insulating barrier
601 make copper cash 10 insulate through Inverter fed motor coating 8, during 603 aging of casing main body, can pull open linking tape 606 to casing main body 603 more
Change, effectively improve Inverter fed motor enamel-covered wire main body high temperature resistant efficiency.
Baffle plate 1 of the present utility model, conductive plate 2, central sill 3, Inverter fed motor enamel-covered wire main body 4, neck 5, high temperature resistant sleeve pipe 6,
PAI Tu layer 7, Inverter fed motor coating 8, PE coatings 9, copper cash 10, part are that universal standard part or those skilled in the art know
Part, its structure and principle are all that this technology personnel can be learnt by technical manual or be known by normal experiment method, this
Utility model problem to be solved is that solve the said equipment not making Inverter fed motor enamel-covered wire to high temperature insulating, easily making Inverter fed motor
Enamel-covered wire reduces the problem of service life.The utility model is combined with each other by above-mentioned part, can be provided with high temperature resistant sleeve pipe,
Casing main body is clasped by linking tape, and silastic-layer makes yarn layer drive heat insulation foam to isolate external high temperature, and insulating barrier is through Inverter fed motor
Coating makes copper cash insulate, and during casing main body aging, can pull open linking tape and casing main body is changed, effectively improve Inverter fed motor enamel-covered wire
Main body high temperature resistant efficiency.It is described in detail below：
The outer surface of insulating barrier 601 is located at the interior surface of Inverter fed motor enamel-covered wire main body 4, inside the heat insulation foam 602
Surface is flexibly connected with insulating barrier 601 using interference fit, and the inner surface of described sleeve pipe main body 603 passes through heat insulation foam 602
It is connected with the outer surface of insulating barrier 601, the top surface of yarn layer 604 is located at the side surface of silastic-layer 605 and is parallel to each other,
The absorption surface of linking tape 606 is provided with the top surface of silastic-layer 605, the lower surface of linking tape 606 and casing main body
603 Surface Edges are flexibly connected along using gap fiting mode.
The advantages of general principle and principal character of the present utility model and the utility model has been shown and described above, for
For those skilled in the art, it is clear that the utility model is not limited to the details of above-mentioned one exemplary embodiment, and without departing substantially from this
In the case of the spirit or essential attributes of utility model, the utility model can be realized in other specific forms.Therefore, no matter
From the point of view of which point, embodiment all should be regarded as exemplary, and be nonrestrictive, the scope of the utility model is by institute
Attached claim rather than described above limit, it is intended that will fall in the implication and scope of the equivalency of claim
All changes are included in the utility model.Any reference in claim should not be considered as to the involved right of limitation
It is required that.
Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each embodiment is only wrapped
Containing an independent technical scheme, this narrating mode of specification is only that those skilled in the art should for clarity
Using specification as an entirety, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
It is appreciated that other embodiment.
Claims (6)
1. a kind of sandwich of Inverter fed motor enamel-covered wire, its structure includes baffle plate (1), conductive plate (2), central sill (3), Inverter fed motor paint
Envelope curve main body (4), neck (5), high temperature resistant sleeve pipe (6), PAI Tu layer (7), Inverter fed motor coating (8), PE coatings (9), copper cash
(10), the baffle plate (1) is that two lateral sections are equal and be mutually perpendicular to square, baffle plate (1) inner surface center and central sill (3) two
The welding of side surface end is in H types and is mutually perpendicular to, and Inverter fed motor enamel-covered wire main body (4) section is circular, Inverter fed motor enamel-covered wire
The edge of main body (4) four is located at central sill (3) surface, and conductive plate (2) section is square, and central sill (3) center of inside is set
There is conductive plate (2) surrounding edge, the copper cash (10) is outer wall and inside is solid cylindrical structure, and copper cash (10) passes through electricity
Connect conductive plate (2), it is characterised in that：
Baffle plate (1) the inner surface center is welded and is mutually perpendicular to central sill (3) both side surface end, in the central sill (3)
Side surface is located at conductive plate (2) outer side edges edge and both ends are in same level, and the conductive plate (2) is by electrically connecting Inverter fed motor paint
Envelope curve main body (4), Inverter fed motor enamel-covered wire main body (4) surrounded surface use interference fits mode with neck (5) inner surface
It is flexibly connected, baffle plate (1) over top is provided with neck (5) outer surface edge and is mutually perpendicular to, the high temperature resistant sleeve pipe
(6) inner surface is located at PAI Tu layer (7) outer surface surrounding, and Inverter fed motor coating (8) outer surface is provided with PAI Tu layer (7)
Inner surface, Inverter fed motor coating (8) section are circle, and Inverter fed motor coating (8) lower surface uses interference with PE coatings (9)
Fit system is flexibly connected,
The high temperature resistant sleeve pipe (6) is by insulating barrier (601), heat insulation foam (602), casing main body (603), yarn layer (604), silicon rubber
Layer (605), linking tape (606) composition, insulating barrier (601) outer surface are located at the internal table of Inverter fed motor enamel-covered wire main body (4)
Face, heat insulation foam (602) interior surface are flexibly connected with insulating barrier (601) using interference fit, described sleeve pipe main body
(603) inner surface is connected by heat insulation foam (602) with insulating barrier (601) outer surface, and yarn layer (604) top surface is set
On silastic-layer (605) side surface and it is parallel to each other, linking tape (606) absorption surface pushes up provided with silastic-layer (605)
Portion surface, linking tape (606) lower surface are connected with casing main body (603) Surface Edge along using gap fiting mode activity
Connect.
A kind of 2. sandwich of Inverter fed motor enamel-covered wire according to claim 1, it is characterised in that：Two lateral section phase
Deng and the cylindrical structure that is parallel to each other, copper cash (10) is by electrically connecting conductive plate (2).
A kind of 3. sandwich of Inverter fed motor enamel-covered wire according to claim 1, it is characterised in that：The PE coatings (9)
Interior surface is located on copper cash (10) outer surface.
A kind of 4. sandwich of Inverter fed motor enamel-covered wire according to claim 1, it is characterised in that：The central sill (3) two
Side is provided with 2 pieces of baffle plates (1).
A kind of 5. sandwich of Inverter fed motor enamel-covered wire according to claim 1, it is characterised in that：The central sill (3) is long
Spend for 15cm-19cm.
A kind of 6. sandwich of Inverter fed motor enamel-covered wire according to claim 1, it is characterised in that：The conductive plate (2)
Long a width of 5cm*5cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720673263.8U CN206758168U (en) | 2017-06-12 | 2017-06-12 | A kind of sandwich of Inverter fed motor enamel-covered wire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720673263.8U CN206758168U (en) | 2017-06-12 | 2017-06-12 | A kind of sandwich of Inverter fed motor enamel-covered wire |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206758168U true CN206758168U (en) | 2017-12-15 |
Family
ID=60622456
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720673263.8U Expired - Fee Related CN206758168U (en) | 2017-06-12 | 2017-06-12 | A kind of sandwich of Inverter fed motor enamel-covered wire |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206758168U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109887661A (en) * | 2019-04-24 | 2019-06-14 | 南通远景电工器材有限公司 | Sandwich structure of corona-resistant enameled wire |
-
2017
- 2017-06-12 CN CN201720673263.8U patent/CN206758168U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109887661A (en) * | 2019-04-24 | 2019-06-14 | 南通远景电工器材有限公司 | Sandwich structure of corona-resistant enameled wire |
| CN109887661B (en) * | 2019-04-24 | 2020-09-01 | 南通远景电工器材有限公司 | Sandwich structure of corona-resistant enameled wire |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180629 Address after: 529000 Xiasha in Henan, Jiangmen, Guangdong Patentee after: Jiangmen Jiangyao Industrial Company Address before: 311800 No. 48-1 Shimen village, Dian Kou four village, Dian Dian Town, Zhuji City, Shaoxing, Zhejiang, Zhejiang, China Patentee before: Chen Fuzhong |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171215 Termination date: 20200612 |