CN2530338Y - Isolation and section switch for electric power - Google Patents
Isolation and section switch for electric power Download PDFInfo
- Publication number
- CN2530338Y CN2530338Y CN 02204089 CN02204089U CN2530338Y CN 2530338 Y CN2530338 Y CN 2530338Y CN 02204089 CN02204089 CN 02204089 CN 02204089 U CN02204089 U CN 02204089U CN 2530338 Y CN2530338 Y CN 2530338Y
- Authority
- CN
- China
- Prior art keywords
- electric power
- terminal board
- isolating
- contact
- switch
- 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
- 238000002955 isolation Methods 0.000 title description 3
- 229910052751 metal Inorganic materials 0.000 claims abstract description 15
- 239000002184 metal Substances 0.000 claims abstract description 15
- 229920005989 resin Polymers 0.000 claims abstract description 11
- 239000011347 resin Substances 0.000 claims abstract description 11
- 239000012212 insulator Substances 0.000 claims description 39
- 229920002521 macromolecule Polymers 0.000 claims description 30
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 28
- 229910052802 copper Inorganic materials 0.000 claims description 28
- 239000010949 copper Substances 0.000 claims description 28
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 22
- 229910052742 iron Inorganic materials 0.000 claims description 11
- 238000009413 insulation Methods 0.000 claims description 9
- 238000013461 design Methods 0.000 claims description 8
- 230000015572 biosynthetic process Effects 0.000 claims description 6
- 150000002739 metals Chemical class 0.000 claims description 6
- 239000004593 Epoxy Substances 0.000 claims description 5
- 239000000463 material Substances 0.000 abstract description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 230000006872 improvement Effects 0.000 abstract description 2
- 230000004888 barrier function Effects 0.000 abstract 2
- 229920000642 polymer Polymers 0.000 abstract 2
- 239000002952 polymeric resin Substances 0.000 abstract 1
- 229920003002 synthetic resin Polymers 0.000 abstract 1
- 230000008901 benefit Effects 0.000 description 8
- 239000000919 ceramic Substances 0.000 description 6
- 230000006378 damage Effects 0.000 description 3
- 238000000354 decomposition reaction Methods 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000008034 disappearance Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000005242 forging Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000013467 fragmentation Methods 0.000 description 1
- 238000006062 fragmentation reaction Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
- 238000012549 training Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
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- Connector Housings Or Holding Contact Members (AREA)
Abstract
本实用新型是电力用隔离及分段开关，包括：至少一高分子碍子，其是高分子树脂一体成型，可供至少一个以上的固定螺栓直接埋入树脂内部。至少一接线端子板，是由二种金属板材交叠组成，以锁合于该高分子碍子的一端。一闸刀及其配合接点，装置于接线端子板的上方，以控制电力连接的开启与关闭。对该电力开关的内部复数构件加以重新制造，该复数构件是运用不同的材质或结构，而使电力开关无论于导电性、使用寿命及制造成本上，皆可获得一大幅的改进。
The utility model is an isolating and sectionalizing switch for electric power, comprising: at least one polymer barrier, which is integrally formed of polymer resin, and allows at least one fixing bolt to be directly embedded in the resin. At least one terminal board, which is composed of two overlapping metal plates, is locked to one end of the polymer barrier. A switch and its matching contacts are installed above the terminal board to control the opening and closing of the electric connection. The internal multiple components of the power switch are remanufactured, and the multiple components are made of different materials or structures, so that the power switch can obtain a significant improvement in conductivity, service life and manufacturing cost.
Description
Technical field
The utility model relates to a kind of power switch, and particularly a kind of electric power is with isolating and block switch.
Background technology
The industry in human modern age is constantly progressive, the supply of electric power definitely is a key factor, because people can free power application to any industry, and the production equipment of industry and instrument are ceaselessly operated all the time, therefore industry side breaks away from made unstable quality, therefore enter the unified stage of a large amount of productions and quality, have good power equipment also to become a very important ring, product stable had far-reaching influence.
General power switch is made of five main members, comprising having: the rotating shaft contact of insulator, terminal board, plug-in strip and cooperation plug-in strip and engaging contact.
Traditional power switch design is bad, and its inner insulator is to utilize ceramic body and ceramic guard shield mining height temperature (1000 ℃) sintering, belongs to high energy-consuming industry.And its shrinkage degree of high temperature cooling back differs, and causes scale error excessive, and has the condensate frangible, the guard shield endosexine can't dry problem.Again must extended immobilization on electric pole, therefore be subject to extraneous environment influence (wind, Exposure to Sunlight, drench with rain, salt damage ... Deng) and produce fault, and cause the electric power transfer supply can't be normal.
Only utilize the homogenous material of copper coin to make terminal board in the conventional art, when terminal board utilizes copper coin to make separately, for reaching necessary mechanical strength, must be with the copper coin thickening to more than two times, on Financial cost, seem quite expensive.Or the conventional art that has forms for utilizing aluminium bronze to be forged, and its conductance is relatively poor but mechanical strength is higher, during as material, all has disappearance comparatively expensive on the Financial cost with the single copper coin of aforesaid use.
Legacy card splice grafting point is to utilize the copper billet of a horseshoe type to forge or casting forms, and does when engage with plug-in strip, needs to utilize the thickness and the sharpening top of increasing two lateral pieces, is used for forming bigger engaging strength.The material cost of this traditional contact is higher, processing charges is comparatively expensive, and because of this contact only utilizes two lateral pieces to widen to form the fastening end, following via the long-term extrusion of plug-in strip, easily form contact two lateral pieces narrow down with the door cutter engage stressed outer the opening of arm, the loose contact between formation contact and the plug-in strip.Its follow-up contact resistance that will cause raises, and further causes contact temperature to be higher than the fusing point of contact material again, just forms the situation of contact fusing, and forms disappearance greatly.
Traditional plug-in strip rotating shaft contact is to utilize an outward appearance to be the forging of " U " font copper billet and to cast to form, the two lamellar bodies outside of this rotating shaft contact is the interlockings that link to each other with plug-in strip two inboards, certain for what keep contacting between plug-in strip and the rotating shaft contact, respectively lock a compression spring in two outsides of plug-in strip and support copper billet, to form this structure.But copper billet is because solid construction, and utilizes two springs as the cost of contact and this kind of plug-in strip tighten structure structural design costliness comparatively.
Summary of the invention
The purpose of this utility model provides a kind of the electric power isolation and block switch that can improve conductivity, increase useful life.
Above-mentioned purpose of the present utility model is achieved in that a kind of electric power comprises with isolation and block switch: at least one macromolecule insulator is that macromolecule resin is one-body molded, can be conducted to less more than one set bolt and directly imbed resin inside; At least one terminal board is made up of two kinds of sheet metals overlappings, to be locked on an end of this macromolecule insulator; One plug-in strip and cooperate contact is installed on the top of terminal board, the open and close that connect with control electric power.
The one-body molded resin that above-mentioned macromolecule insulator is utilized is epoxy (epoxy).
Above-mentioned macromolecule insulator comprises: go up members such as cylinder, lower prop and insulation dish.
Two metallic plates that above-mentioned terminal board constituted are respectively galvanized iron sheet and copper coin.
Above-mentioned first contact is first contact that outward appearance is a horseshoe type, and center inside design has two projections, and between two projections, embed one have outside the spring of tension force.
Above-mentioned second contact is that outward appearance is " U " font copper sheet, and respectively is provided with an open-work in this two lamellar body, is arranged at the inboard through-hole position of two lamellar bodies for a spring.
Another purpose of the present utility model provides a kind of terminal board of power switch, and wherein power switch inside is provided with at least one terminal board, and this terminal board is overlapped by two kinds of sheet metals and forms.
In order further to understand above-mentioned purpose of the present utility model, characteristics and advantage, with instantiation the utility model is described below in conjunction with accompanying drawing.
Description of drawings
Fig. 1 is the decomposition chart of power switch of the present utility model;
Fig. 2 is with the power switch structure chart after Fig. 1 combination;
Fig. 3 A is the decomposition chart of first binding post of the present utility model;
Fig. 3 B be with Fig. 3 A do one in conjunction with after the side-looking structure chart;
Fig. 4 A is the structure chart of facing of the utility model first contact;
Fig. 4 B is the side-looking sectional structure chart of the utility model first contact;
Fig. 4 C is the side sectional view that the utility model is connected in first contact binding post;
Fig. 5 A is the structure chart of facing of the utility model second contact;
Fig. 5 B is the side-looking sectional structure chart of the utility model second contact;
Fig. 5 C is that second contact of Fig. 5 B is connected in binding post and adds the structure chart of putting behind the spring;
Fig. 6 A is the structure chart of facing of the utility model plug-in strip;
Fig. 6 B is the side-looking portion face structure chart of the utility model plug-in strip.
Drawing reference numeral explanation: the 1. first macromolecule insulator; 12. last cylinder; 125. screw channel; 14. insulation dish leaf; 16. lower prop; 165. screw channel; 2. the second macromolecule insulator; 22. last cylinder; 225. screw channel; 24-insulation dish leaf; 26. lower prop; 265. screw channel; 3. first terminal board; 30. galvanized iron sheet; 31. copper coin; 32. last spiral shell inspection; 34. following bolt; 36. buckling parts; 4. second terminal board; 42. last bolt; 44. following bolt; 5. first contact; 52. projection; 54. spring; 6. second contact; 62. open-work; 64. spring; 7. plug-in strip; 72. lamellar body; 74. screw; 76. pin; 78. Handheld Division; 79. button hook; 8. base; 82. screw; 84. first pad; 86. second pad.
Embodiment
Seeing also Fig. 1, is the decomposition chart of power switch of the present utility model, can find out that therefrom the member of the utility model power switch is to include; The first macromolecule insulator 1, the second macromolecule insulator 2, first terminal board 3, second terminal board 4, first contact 5, second contact 6, plug-in strip 7 and base 8 etc.
Wherein an end of the first macromolecule insulator 1 and the second macromolecule insulator 2 is connected with a base 8, and utilizes screw 82, first pad 84 and second pad 86 to be placed through in the screw channel 165 in first macromolecule and the second macromolecule screw channel 265 to be fixed.
Wherein first terminal board 3 is provided with on two bolt 32, two times bolts 34, a buckling parts 36 and one first contacts 5, and this first terminal board 3 utilize its down bolt 34 be fixed in the screw channel 125 of the first macromolecule insulator 1.
Wherein second terminal board 4 two lamellar bodies that are provided with bolt on two 42, two times bolts 44 and second contact, 6, the second contacts 6 have respectively placed open-work 62, and second terminal board 4 utilize its down bolt 44 be fixed in the screw channel 225 of the second macromolecule insulator 2.
Wherein plug-in strip 7 is made up of two metal lamellar bodies 72, and this two lamellar body 72 utilizes screw 74 and pin 76 to do a secure bond, and this plug-in strip 7 respectively is provided with a Handheld Division 78 and a button hook 79 in its two side.This plug-in strip 7 utilizes its pin 76 to place in the open-work 62 of second contact 6, so that second contact 6 forms a pivot structure, can make plug-in strip 7 can utilize its button hook 79 freely to fasten or breaks away from first contact 5, with the Push And Release of formation electric connection.
After above-mentioned structure combination, just formation is as the power switch structure chart of Fig. 2.
As shown among above-mentioned Fig. 1, these two macromolecule insulators the 1, the 2nd, utilize the macromolecule insulating resin (epoxy, epoxy) one-body molded, can be conducted to less more than one set bolt and directly imbed resin inside, have following advantage: 1. size is accurate.2. the characteristic that has tension and bending resistance, and its mechanical strength is average, need not do secondary operations.3. there is not the shortcoming that the easy fracture of traditional ceramic insulator, easy fragmentation and quality differ.
The aforementioned first macromolecule insulator 1 (structure of the second macromolecule insulator 3 and the first macromolecule insulator structure are also together) includes: go up cylinder 12, insulation dish leaf 14 and lower prop 14.Wherein the formation of this insulation dish leaf 14 is that a Da Ye is in abutting connection with the bilobular gauge structure that do not wait, its first advantage is to provide between the two adjacent Da Ye to prevent that enough raindrop from linking up into the distance of line, can effectively reduce the outage probability that rainwater, fog flashover often take place for coastal and area of heavy rainfull with this structure.Second advantage is for can increase leakage distance (also being called as creepage distance), and longer when leakage distance, leakage current is lower relatively, so can prolong significantly the useful life of insulator.The first macromolecule insulator, 1 insulation dish leaf of the present utility model is its two times compared to the leakage distance of traditional ceramics insulator, but the life-span can increase many persons of several times.
The last cylinder 12,22 of this two macromolecules insulator 1,2 and lower prop 16,26 inside are provided with screw channel 125,165,225,265, so need not in last cylinder 12,22 and lower prop 16,26, add separately and put metal cap design (insulator is to utilize insulating resin one-body molded as the aforementioned, so need not utilize metal cap to do reinforcement), and the advantage of the no metal cap of employing is for can increase the straight line flashover distance, (conductivity is flashed the insulator conductor inside by the chance that reduces flashover destruction, directly conduct electricity to the insulator lower end, form a kind of destruction of improper property) by the insulator upper end.The upper and lower end of ceramic insulator of the prior art all need install the fixing metal cap additional, otherwise can't be connected and fixed bolt, the metal cap of two ends increases the thickness of 8cm to I haven't seen you for ages, under the condition that is designed to level altitude of insulator, therefore more designed than the utility model at least insulator of existing ceramic insulator is short of the thickness of 8cm, so promptly increased the chance of being destroyed by flashover, high one's share of expenses for a joint undertaking therefore of the present utility model supports that insulator has the advantage that minimizing is destroyed by flashover.
See also shown in Fig. 3 A and Fig. 3 B, first terminal board 3 overlaps and forms (second terminal board 4 also with) by two kinds of sheet metals, and one is that supported mechanical intensity is preferable but conduct electricity the galvanized iron sheet 30 of rate variance; Two are that supported mechanical intensity is more weak but copper coin 31 that conductance is high.And this first terminal board 3 utilizes galvanized iron sheet 30 is as base plate, and galvanized iron sheet 30 and copper coin 31 directly made riveted with rivet, the process of its processing is very simple and easy, and the thickness of finished product can remain on a minimum thickness, and bolt 32 (conventional art is that a bolt cooperates a nut) in the welding two of galvanized iron sheet 30 1 side surfaces, so when on electric pole, carrying out the operation of interlocking terminal board, must make with the hands sealedly, increase the inconvenience in the operation.And just do not have this puzzlement when using the utility model, and can utilize singlehanded operation to carry out the operation of interlocking line end daughter board, have splendid convenience.
See also Fig. 4 A, Fig. 4 B and Fig. 4 C, the material of this first contact 5 is made of copper, first contact, the 5 center inside design that its outward appearance is a horseshoe type has two projections 52, and the spring 54 of tension force utilized the tension force of this spring 54 can make two lateral pieces of first contact 5 outwards do expansion outside embedding one had between two projections 52.Be equipped with again in the set buckling parts 36 (seeing also Fig. 1) of first binding post, 3 one sides, can make with the plug-in strip of its fastening and form the tight strength that engages.The advantage of this first contact 5 is the outer tension force that utilizes spring 54 to be produced, and can make first contact 5 form the mechanical type balance with contacting of plug-in strip, can not cause the situation of first contact, 5 elastic fatigues; And the composition of this contact is to utilize copper sheet to do simple processing punching press and assemble spring 54 to form, and possesses especially stay in grade and advantage existence are cheaply arranged.
See also Fig. 5 A, Fig. 5 B and Fig. 5 C, wherein the outward appearance of second contact 6 is " U " font copper sheet, and respectively be provided with an open-work 62 in this two lamellar body, be arranged at the inboard through-hole position of two lamellar bodies for a spring 64, utilize the pin that is disclosed on the plug-in strip among Fig. 6 A, the B to place two open-works 62 and spring 64 again, to form a stationary state.The power of utilizing spring 64 outwards to hold forms certain contacting to form between second contact 6 and the plug-in strip, when plug-in strip is done the action of Push And Release of upper and lower swing, be difficult for causing the situation that gets loose or be out of shape.In addition, the utility model utilizes a bigger spring to replace two little springs; And change traditional copper billet the copper sheet of " U " font into, the use amount of its copper material has only traditional copper billet 40% approximately, so cost must obtain significantly to save.And copper sheet of the present utility model only utilizes punch forming, also not if traditional copper billet need be through forging and cast the program of adding turning, so can utilize lower cost to obtain very practical member when making copper sheet.
See also shown in Figure 5ly, this plug-in strip 7 is made up of two metal lamellar bodies 72, and this two lamellar body 72 utilizes screw 74 and pin 76 to do a secure bond, and this plug-in strip 7 respectively is provided with a Handheld Division 78 and a button hook 79 in its two side.This plug-in strip 7 utilizes its pin 76 to place in the open-work 62 of second contact 6, so that second contact 6 forms a pivot structure, can make plug-in strip 7 can utilize its button hook 79 freely to fasten or breaks away from first contact 5, with the Push And Release of formation electric connection.
By the structure that is disclosed among Fig. 1 to Fig. 6, the utility model has been done a significantly improvement as can be known.Wherein the first macromolecule insulator 1 and the second macromolecule insulator 2 are to utilize integrated insulating resin to make, and utilize insulation dish leaf and do not have the particular design of the metal nut of being provided with, to increase leakage distance and flashover distance.And first terminal board and second terminal board utilize two sheet metals overlapping to be formed by connecting especially, can significantly reduce its thickness.And first contact and second contact are the designs that utilizes approximate " U " font, again in its interior arrangement spring, to replace traditional contact with solid construction, and be difficult for frequently damaging because of the fastening number of times of plug-in strip, so have extremely long useful life, on conductive characteristic and manufacturing cost, also obtain simultaneously significantly to improve.
The above is preferred embodiment of the present utility model only, rather than is used for limiting scope of the present utility model.All equalizations of doing according to the utility model training centre change and modify, and all should still belong to the utility model protection range.
Claims (14)
1, a kind of electric power is characterized in that comprising with isolating and block switch:
At least one macromolecule insulator, it is that macromolecule resin is one-body molded, can be conducted to less more than one set bolt and directly imbed resin inside;
At least one terminal board is made up of two kinds of sheet metals overlappings, to be locked on an end of this macromolecule insulator; And,
One plug-in strip and cooperate contact is installed on the top of terminal board, the open and close that connect with control electric power.
2, a kind of electric power as claimed in claim 1 is characterized in that with isolating and block switch this cooperation contact comprises first contact and second contact.
3, a kind of electric power as claimed in claim 2 is characterized in that with isolating and block switch this first contact is first contact that the outside is a horseshoe type, and the center inside design has two projections, and between two projections, embed one have outside the spring of tension force.
4, a kind of electric power as claimed in claim 2 is characterized in that this second contact is that the outside is " U " font copper sheet, and respectively is provided with an open-work in this two lamellar body with isolating and block switch, is arranged at the inboard through-hole position of two lamellar bodies for a spring.
5, a kind of electric power as claimed in claim 1 is characterized in that with isolating and block switch this macromolecule insulator comprises: go up members such as cylinder, lower prop and insulation dish.
6, a kind of electric power as claimed in claim 5 is with isolating and block switch, and the formation that it is characterized in that this insulation dish leaf is that a Da Ye is in abutting connection with the bilobular gauge structure that do not wait.
7, a kind of electric power as claimed in claim 1 is characterized in that with isolating and block switch the one-body molded resin that this macromolecule insulator is utilized is an epoxy.
8, a kind of electric power as claimed in claim 1 is characterized in that with isolating and block switch two metallic plates that this terminal board constitutes are respectively galvanized iron sheet and copper coin.
9, a kind of electric power as claimed in claim 8 is characterized in that between galvanized iron sheet and the copper coin it being to do a connection with riveted with isolating and block switch.
10, a kind of electric power as claimed in claim 8 is characterized in that with isolating and block switch this galvanized iron sheet one side surface is welded with two and goes up bolt.
11, a kind of electric power as claimed in claim 1 is with isolating and block switch, it is characterized in that this macromolecule supports an end of insulator also to be provided with and be connected in a base.
12, a kind of terminal board of power switch is characterized in that power switch inside is provided with at least one terminal board, and this terminal board is overlapped by two kinds of sheet metals and forms.
13, the terminal board of power switch as claimed in claim 12 is characterized in that two metallic plates that terminal board constitutes are respectively galvanized iron sheet and copper coin.
14, the terminal board of power switch as claimed in claim 13 is characterized in that doing a connection with riveted between galvanized iron sheet and the copper coin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02204089 CN2530338Y (en) | 2002-02-09 | 2002-02-09 | Isolation and section switch for electric power |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02204089 CN2530338Y (en) | 2002-02-09 | 2002-02-09 | Isolation and section switch for electric power |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2530338Y true CN2530338Y (en) | 2003-01-08 |
Family
ID=33686109
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02204089 Expired - Fee Related CN2530338Y (en) | 2002-02-09 | 2002-02-09 | Isolation and section switch for electric power |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2530338Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1822275B (en) * | 2005-02-08 | 2010-10-06 | 通用电器（加拿大）公司 | Disconnect switch |
| CN108335942A (en) * | 2018-03-06 | 2018-07-27 | 浙江工贸职业技术学院 | A kind of disconnecting switch |
-
2002
- 2002-02-09 CN CN 02204089 patent/CN2530338Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1822275B (en) * | 2005-02-08 | 2010-10-06 | 通用电器（加拿大）公司 | Disconnect switch |
| CN108335942A (en) * | 2018-03-06 | 2018-07-27 | 浙江工贸职业技术学院 | A kind of disconnecting switch |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |