CN103439982B - Sunlight axis tracker - Google Patents
Sunlight axis tracker Download PDFInfo
- Publication number
- CN103439982B CN103439982B CN201310402924.XA CN201310402924A CN103439982B CN 103439982 B CN103439982 B CN 103439982B CN 201310402924 A CN201310402924 A CN 201310402924A CN 103439982 B CN103439982 B CN 103439982B
- Authority
- CN
- China
- Prior art keywords
- conical gear
- assembly
- seat
- motor
- bearing
- 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
Abstract
The invention belongs to solar energy development and utilize field, especially the sunlight axis tracker of refrigerant type solar-energy wall machine.Described sunlight axis tracker, comprise, lens group plate (1), photovoltaic battery panel (2), refrigerant heat dissipation tank (3), connection bracket seat (4), connection bracket (5), vertical angle tracking rotating shaft (6), push rod set collar (7), hydraulic push rod (8), motor coattail strip (9) worm speed-down micromotor (10), bearing A(11), conical gear A(12), conical gear B(13), assembly rotary body (14), motor dovetail frid (15), assembly seat stationary shaft (16), conical gear C(17), horizontally rotate and control tongue (18), bearing B(19), bearing seat B(20), assembly seat (21), installing plate and support (22), hydraulic valve (23), bearing seat A(24), metope support (25) and southern metope (26), described sunlight axle follows the tracks of assembly (02), compact conformation, compact, and motor namely realizes photovoltaic battery panel (2) horizontal angle and vertical angle adjusts in real time, to obtain the maximum conversion ratio of sun power.<b />
Description
Technical field
The invention belongs to field, particularly refrigerant type solar-energy wall machine that solar energy development utilizes.
Background technology
Solar energy is the energy from outside of the earth celestial body, and the overwhelming majority of necessary for human energy is all directly or indirectly from the sun.Sun power is the huge energy of hydrogen nuclei fusion release when superhigh temperature, and sun power is the treasure-house of mankind's energy, as fossil energy, tellurian wind energy, biomass energy all derive from the sun.The utilization of sun power be divided into indirect utilization sun power and and directly utilize sun power two kinds, have fossil energy, biomass energy as: indirect utilization; Direct utilization has heat collector (flat plate collector, light collecting heat collector), solar cell etc.In the application practice of sun power, how ensureing that collector remains with sun optical axis vertical, is the gordian technique that collector plays maximum efficiency.In existing solar thermal collector, mostly do not adopt with sun optical axis simultaneous techniques, if these solar thermal collectors can install sunlight axle follow the tracks of assembly, just effectively can obtain the maximal value of solar energy acquisition.
Summary of the invention
The invention belongs to solar energy development and utilize field, especially the sunlight axis tracker of refrigerant type solar-energy wall machine.The object of the present invention is the sunlight axis tracker to the open refrigerant type solar-energy wall machine of society.
Sunlight axis tracker, comprise, lens group plate (1), photovoltaic battery panel (2), refrigerant heat dissipation tank (3), connection bracket seat (4), connection bracket (5), vertical angle tracking rotating shaft (6), push rod set collar (7), hydraulic push rod (8), motor coattail strip (9) worm speed-down micromotor (10), bearing A(11), conical gear A(12), conical gear B(13), assembly rotary body (14), motor dovetail frid (15), assembly seat stationary shaft (16), conical gear C(17), horizontally rotate and control tongue (18), bearing B(19), bearing seat B(20), assembly seat (21), installing plate and support (22), hydraulic valve (23), bearing seat A(24), metope support (25) and southern metope (26), described sunlight axle follows the tracks of assembly (02), compact conformation, compact, and motor namely realizes photovoltaic battery panel (2) horizontal angle and vertical angle adjusts in real time, to obtain the maximum conversion ratio of sun power.
The invention has the advantages that.
1, compact conformation.Sunlight axle of the present invention follows the tracks of assembly, compared with existing distributed synchrodyne, has compact conformation, manufacturing standard, widely used advantage.
2, real-time follow-up.In real time, accurate tracks sunlight axle, it is the determinative determining solar thermal collector work efficiency, sunlight axle of the present invention follows the tracks of assembly, has in real time, precisely adjusts solar panel (01) and keep function vertical in real time with sun optical axis, to obtain the maximum conversion ratio of sun power.
3, simple installation, refrigerant type solar-energy wall machine of the present invention, refrigerant type solar-energy wall machine flexible for installation, not account for public place, for distributed solar energy has started new approach.
4, equipment is easy to get.Main equipment of the present invention is conventional prototype part, facilitates buying and the exploitation of equipment.
Technical scheme of the present invention realizes like this.
Sunlight axis tracker, comprise, solar panel (01), sunlight axle follows the tracks of assembly (02), flexible lamp support (03), lens group plate (1), photovoltaic battery panel (2), refrigerant heat dissipation tank (3), connection bracket seat (4), connection bracket (5), vertical angle tracking rotating shaft (6), push rod set collar (7), hydraulic push rod (8), motor coattail strip (9) worm speed-down micromotor (10), bearing A(11), conical gear A(12), conical gear B(13), assembly rotary body (14), motor dovetail frid (15), assembly seat stationary shaft (16), conical gear C(17), horizontally rotate and control tongue (18), bearing B(19), bearing seat B(20), assembly seat (21), installing plate and support (22), hydraulic valve (23), bearing seat A(24), metope support (25) and southern metope (26), it is characterized in that: described sunlight axle follows the tracks of the outward appearance of assembly (02), in mailbox shape, form by the assembly rotary body (14) on top and the assembly seat (21) of bottom the main body that sunlight axle follows the tracks of assembly (02), described assembly rotary body (14), its top, is provided with symmetrical bearing seat A(24), described bearing seat A(24) on, centre is installed and is provided with conical gear A(12), conical gear A(12) both sides are provided with bearing A(11), two ends are fixed on vertical angle tracking rotating shaft (6) in connection bracket (5), conical gear A(12 on described vertical angle tracking rotating shaft (6)), at conical gear B(13) driving under, can realize solar panel (01) vertical angle adjustment, on the bottom surface of described assembly rotary body (14), flexible lamp support (03) is installed, described flexible lamp support (03), comprise, push rod set collar (7), hydraulic push rod (8) and motor coattail strip (9), worm speed-down micromotor (10), motor dovetail frid (15), conical gear B(13), horizontally rotate and control tongue (18) and hydraulic valve (23), described worm speed-down micromotor (10), on the motor shaft of its front end, is provided with conical gear B(13), described worm speed-down micromotor (10) rear portion, is provided with the motor coattail strip (9) coordinated with motor dovetail frid (15), before described motor coattail strip (9), be connected with worm speed-down micromotor (10), be positioned at motor coattail strip (9) two push rod set collars (7) below, fixed cover on the hydraulic push rod (8) of hydraulic valve (23), described worm speed-down micromotor (10), under hydraulic push rod (8) in hydraulic valve (23) drives, vertical movement can be done on motor dovetail frid (15) by motor coattail strip (9), make the conical gear B(13 being positioned at worm speed-down micromotor (10) front end), respectively with the conical gear A(12 be located thereon) or conical gear C(17 under it) be coupled, the vertical angle of upwards coupling adjustment solar panel (01), the horizontal angle of downward coupling then adjustable solar panel (01), described motor coattail strip (9) below, is provided with and controls tongue (18) with integrally formed the horizontally rotating of motor coattail strip (9), described horizontally rotates the front end controlling tongue (18), be provided with and conical gear C(17) coordinate, tooth pitch is less than conical gear C(17) three pieces, lock tooth, conical gear B(13 on worm speed-down micromotor (10)) with vertical angle tracking rotating shaft (6) on conical gear A(12), during coupling, just the conical gear C(17 and on assembly seat stationary shaft (16)) flush, to lock assembly rotary body (14), the level orientation of location solar panel (01), described motor dovetail frid (15), in " L " type structure, the front and back of described dovetail frid (9), are separately installed with worm speed-down micromotor (10) and hydraulic valve (23), described dovetail frid (9), by the transverse part of " L ", is installed on the bottom of assembly rotary body (14), the center of described assembly rotary body (14) bottom surface, is provided with bearing seat B(20), described bearing seat B(20) in, bearing B(19 is installed), described assembly rotary body (14), by bearing B(19), overlap on the assembly seat stationary shaft (16) being positioned at assembly seat (21) center consolidation, on described assembly seat stationary shaft (16), conical gear C(17 is installed), the described conical gear B(13 being positioned at worm speed-down micromotor (10) front end), round conical gear C(17) do roller shape rotate time, impel assembly rotary body (14) to make rotary motion, realize solar panel (01) horizontal angle adjustment, the below of described assembly seat (21) is provided with the mounting hole be connected with installing plate and support (22), described assembly seat (21), is installed in metope support (25) installing plate foremost and support (22), described metope support (25), is installed on the southern metope of home dwelling.
Accompanying drawing explanation
Accompanying drawing 1 is sunlight axis tracker structural representation of the present invention.
Accompanying drawing 2 is sunlight axis tracker assembling loose mail schematic diagram of the present invention.
Accompanying drawing 3 is embodiment of the present invention schematic diagram.
Embodiment
Fig. 1-3 unified mark title is: solar panel (01), sunlight axle follows the tracks of assembly (02), flexible lamp support (03), lens group plate (1), photovoltaic battery panel (2), refrigerant heat dissipation tank (3), connection bracket seat (4), connection bracket (5), vertical angle tracking rotating shaft (6), push rod set collar (7), hydraulic push rod (8), motor coattail strip (9) worm speed-down micromotor (10), bearing A(11), conical gear A(12), conical gear B(13), assembly rotary body (14), motor dovetail frid (15), assembly seat stationary shaft (16), conical gear C(17), horizontally rotate and control tongue (18), bearing B(19), bearing seat B(20), assembly seat (21), installing plate and support (22), hydraulic valve (23), bearing seat A(24), metope support (25) and southern metope (26).
The present invention is described in detail below in conjunction with accompanying drawing.
As Figure 1-3, sunlight axis tracker, comprise, solar panel (01), sunlight axle follows the tracks of assembly (02), flexible lamp support (03), lens group plate (1), photovoltaic battery panel (2), refrigerant heat dissipation tank (3), connection bracket seat (4), connection bracket (5), vertical angle tracking rotating shaft (6), push rod set collar (7), hydraulic push rod (8), motor coattail strip (9) worm speed-down micromotor (10), bearing A(11), conical gear A(12), conical gear B(13), assembly rotary body (14), motor dovetail frid (15), assembly seat stationary shaft (16), conical gear C(17), horizontally rotate and control tongue (18), bearing B(19), bearing seat B(20), assembly seat (21), installing plate and support (22), hydraulic valve (23), bearing seat A(24), metope support (25) and southern metope (26).
The present invention is described in detail below in conjunction with accompanying drawing.
As Figure 1-3, refrigerant type solar-energy wall machine, comprise, solar panel (01), sunlight axle follows the tracks of assembly (02), flexible lamp support (03), lens group plate (1), photovoltaic battery panel (2), refrigerant heat dissipation tank (3), connection bracket seat (4), connection bracket (5), vertical angle tracking rotating shaft (6), push rod set collar (7), hydraulic push rod (8), motor coattail strip (9) worm speed-down micromotor (10), bearing A(11), conical gear A(12), conical gear B(13), assembly rotary body (14), motor dovetail frid (15), assembly seat stationary shaft (16), conical gear C(17), horizontally rotate and control tongue (18), bearing B(19), bearing seat B(20), assembly seat (21), installing plate and support (22), hydraulic valve (23), bearing seat A(24), metope support (25) and southern metope (26).
As Figure 1-3, described sunlight axle follows the tracks of assembly (02) outward appearance, in mailbox shape, is that assembly seat (21) forms by the assembly rotary body (14) on top and bottom.
As Figure 1-3, described assembly rotary body (14), its top is provided with symmetrical bearing seat A(24).
As Figure 1-3, described bearing seat A(24) on, centre is installed and establishes conical gear A(12), conical gear A(12) both sides are provided with bearing A(11), two ends are fixed on vertical angle tracking rotating shaft (6) in connection bracket (5).
As Figure 1-3, the conical gear A(12 on described vertical angle tracking rotating shaft (6)) at conical gear B(13) drive under, angle tracking rotating shaft (6) of hanging down drives solar panel (01) to realize vertical angle adjustment.
As Figure 1-3, on the bottom surface of described assembly rotary body (14), flexible lamp support (03) is installed.
As Figure 1-3, described flexible lamp support (03), comprise, hydraulic valve (23), worm speed-down micromotor (10), motor dovetail frid (15), conical gear B(13), horizontally rotate and control tongue (18), hydraulic push rod (8), push rod set collar (7) and motor coattail strip (9).
As Figure 1-3, described worm speed-down micromotor (10), on the motor shaft of its front end, is provided with conical gear B(13), its rear portion, is provided with the motor coattail strip (9) coordinated with motor dovetail frid (15).
As Figure 1-3, on described motor coattail strip (9), be provided with the push rod set collar (7) be connected with the hydraulic push rod of hydraulic valve (23) (8).
As Figure 1-3, described motor coattail strip (9) below, be provided with integrally formed with motor coattail strip (9), can do with worm speed-down micromotor (10) horizontally rotating of being synchronized with the movement and control tongue (18); Described horizontally rotate the front end controlling tongue (18), be provided with and conical gear C(17) coordinate, tooth pitch is less than conical gear C(17) three pieces, lock tooth.
As Figure 1-3, described horizontally rotating controls tongue (18), the conical gear B(13 on worm speed-down micromotor (10)) with conical gear A(12) under the operating mode that is coupled, lucky with conical gear C(17) flush, to lock assembly rotary body (14), the level orientation of location solar panel (01).
As Figure 1-3, the described conical gear B(13 being positioned at worm speed-down micromotor (10) front end), along with moving up and down of hydraulic push rod (8) that are installed on the hydraulic valve (23) at motor dovetail frid (15) rear, motor dovetail frid (15) does or upper or under vertical movement, respectively be located thereon under conical gear A(12) or conical gear C(17) be coupled.
As Figure 1-3, further, the described conical gear B(13 being positioned at worm speed-down micromotor (10) front end), when being upwards coupled, the vertical angle of adjustable solar panel (01); During downward coupling, then the horizontal angle of adjustable solar panel (01).
As Figure 1-3, described motor dovetail frid (15), in " L " type structure.
Described worm speed-down micromotor (10) and hydraulic valve (23) are installed on before and after it respectively.
As Figure 1-3, described dovetail frid (9), by the transverse part of " L ", is installed on the bottom of assembly rotary body (14).
As Figure 1-3, the center of described assembly rotary body (14) bottom surface, is provided with bearing seat B(20).
As Figure 1-3, described bearing seat B(20) in, bearing B(19 is installed).
As Figure 1-3, described assembly rotary body (14), by bearing B(19), overlap consolidation be positioned at assembly seat (21) center, it is provided with conical gear C(17) assembly seat stationary shaft (16) on.
As Figure 1-3, the conical gear B(13 of described worm speed-down micromotor (10) front end), round conical gear C(17) make roller shape when rotating, impel assembly rotary body (14) to make rotary motion, realize the adjustment of solar panel (01) horizontal angle.
As Figure 1-3, the below of described assembly seat (21) is provided with the mounting hole be connected with installing plate and support (22).
As Figure 1-3, described assembly seat (21), is installed in metope support (25) installing plate foremost and support (22).
As Figure 1-3, described metope support (25), is installed on the southern metope of home dwelling.
Claims (1)
1. sunlight axis tracker, comprise, solar panel (01), sunlight axle follows the tracks of assembly (02), flexible lamp support (03), lens group plate (1), photovoltaic battery panel (2), refrigerant heat dissipation tank (3), connection bracket seat (4), connection bracket (5), vertical angle tracking rotating shaft (6), push rod set collar (7), hydraulic push rod (8), motor coattail strip (9), worm speed-down micromotor (10), bearing A(11), conical gear A(12), conical gear B(13), assembly rotary body (14), motor dovetail frid (15), assembly seat stationary shaft (16), conical gear C(17), horizontally rotate and control tongue (18), bearing B(19), bearing seat B(20), assembly seat (21), installing plate and support (22), hydraulic valve (23), bearing seat A(24), metope support (25) and southern metope (26), it is characterized in that: described sunlight axle follows the tracks of the outward appearance of assembly (02), in mailbox shape, form by the assembly rotary body (14) on top and the assembly seat (21) of bottom the main body that sunlight axle follows the tracks of assembly (02), described assembly rotary body (14), its top, is provided with symmetrical bearing seat A(24), described bearing seat A(24) on, centre is installed and is provided with conical gear A(12), conical gear A(12) both sides are provided with bearing A(11), two ends are fixed on vertical angle tracking rotating shaft (6) in connection bracket (5), conical gear A(12 on described vertical angle tracking rotating shaft (6)), at conical gear B(13) driving under, can realize solar panel (01) vertical angle adjustment, on the bottom surface of described assembly rotary body (14), flexible lamp support (03) is installed, described flexible lamp support (03), comprise, push rod set collar (7), hydraulic push rod (8) and motor coattail strip (9), worm speed-down micromotor (10), motor dovetail frid (15), conical gear B(13), horizontally rotate and control tongue (18) and hydraulic valve (23), described worm speed-down micromotor (10), on the motor shaft of its front end, is provided with conical gear B(13), described worm speed-down micromotor (10) rear portion, is provided with the motor coattail strip (9) coordinated with motor dovetail frid (15), before described motor coattail strip (9), be connected with worm speed-down micromotor (10), be positioned at motor coattail strip (9) two push rod set collars (7) below, fixed cover on the hydraulic push rod (8) of hydraulic valve (23), described worm speed-down micromotor (10), under hydraulic push rod (8) in hydraulic valve (23) drives, vertical movement can be done on motor dovetail frid (15) by motor coattail strip (9), make the conical gear B(13 being positioned at worm speed-down micromotor (10) front end), respectively with the conical gear A(12 be located thereon) or conical gear C(17 under it) be coupled, the vertical angle of upwards coupling adjustment solar panel (01), the horizontal angle of downward coupling then adjustable solar panel (01), described motor coattail strip (9) below, is provided with and controls tongue (18) with integrally formed the horizontally rotating of motor coattail strip (9), described horizontally rotates the front end controlling tongue (18), be provided with and conical gear C(17) coordinate, tooth pitch is less than conical gear C(17) three pieces, lock tooth, conical gear B(13 on worm speed-down micromotor (10)) with vertical angle tracking rotating shaft (6) on conical gear A(12), during coupling, just the conical gear C(17 and on assembly seat stationary shaft (16)) flush, to lock assembly rotary body (14), the level orientation of location solar panel (01), described motor dovetail frid (15), in " L " type structure, the front and back of described dovetail frid (9), are separately installed with worm speed-down micromotor (10) and hydraulic valve (23), described dovetail frid (9), by the transverse part of " L ", is installed on the bottom of assembly rotary body (14), the center of described assembly rotary body (14) bottom surface, is provided with bearing seat B(20), described bearing seat B(20) in, bearing B(19 is installed), described assembly rotary body (14), by bearing B(19), overlap on the assembly seat stationary shaft (16) being positioned at assembly seat (21) center consolidation, on described assembly seat stationary shaft (16), conical gear C(17 is installed), the described conical gear B(13 being positioned at worm speed-down micromotor (10) front end), round conical gear C(17) do roller shape rotate time, impel assembly rotary body (14) to make rotary motion, realize solar panel (01) horizontal angle adjustment, the below of described assembly seat (21) is provided with the mounting hole be connected with installing plate and support (22), described assembly seat (21), is installed in metope support (25) installing plate foremost and support (22), described metope support (25), is installed on the southern metope of home dwelling.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201310402924.XA CN103439982B (en) | 2013-09-09 | 2013-09-09 | Sunlight axis tracker |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201310402924.XA CN103439982B (en) | 2013-09-09 | 2013-09-09 | Sunlight axis tracker |
Publications (2)
Publication Number | Publication Date |
---|---|
CN103439982A CN103439982A (en) | 2013-12-11 |
CN103439982B true CN103439982B (en) | 2016-02-10 |
Family
ID=49693677
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201310402924.XA Expired - Fee Related CN103439982B (en) | 2013-09-09 | 2013-09-09 | Sunlight axis tracker |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN103439982B (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103488186B (en) * | 2013-09-09 | 2016-01-13 | 李万红 | Refrigerant type solar-energy wall machine |
CN109343579B (en) * | 2018-12-16 | 2021-09-24 | 北京工业大学 | Bidirectional variable-angle heliostat control mechanism based on gear drive |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB410136A (en) * | 1932-11-11 | 1934-05-11 | Cyril Henry Page Wheatley | A method and mechanism for the purpose of producing linear and angular motion |
CN2317446Y (en) * | 1998-01-10 | 1999-05-05 | 张中建 | Balcony type solar water heater employing double coordinate tracking device |
CN102637042B (en) * | 2012-04-10 | 2013-08-28 | 李万红 | Solar optical axis synchronous machine |
CN203414825U (en) * | 2013-09-09 | 2014-01-29 | 李万红 | Sunlight shaft tracker |
-
2013
- 2013-09-09 CN CN201310402924.XA patent/CN103439982B/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
CN103439982A (en) | 2013-12-11 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN103423888B (en) | Movable motor base for sunlight axis tracker | |
WO2012048640A1 (en) | Laterally-adjusted automatic solar energy tracking device | |
CN102609008A (en) | Novel automatic solar tracking method and photovoltaic power generation device | |
CN102637042B (en) | Solar optical axis synchronous machine | |
CN203070112U (en) | Solar cell panel tracking system | |
CN104615148A (en) | Solar tracking control method of solar cell panel for solar streetlamp | |
CN200996730Y (en) | Energy-storage solar cooker with automatic-tracking function | |
CN103439982B (en) | Sunlight axis tracker | |
CN206191945U (en) | Solar collector is trailed to parabolic slot type vertical scroll | |
CN103135584A (en) | Photovoltaic panel rotating mechanism of photovoltaic power generation system tracking device | |
CN203491952U (en) | Cooling type solar tower | |
CN203414825U (en) | Sunlight shaft tracker | |
CN205195636U (en) | But automatically regulated's solar cell panel support | |
CN204832971U (en) | Solar panel tracking control device | |
CN202512446U (en) | Sun axis synchronizer | |
WO2013082872A1 (en) | Rotating solar power station that simultaneously tracks and concentrates sunlight | |
CN203432108U (en) | Movable motor base of sunshine axis tracker | |
CN202547133U (en) | Sun axis tracking assembly | |
CN103488186B (en) | Refrigerant type solar-energy wall machine | |
CN204832972U (en) | Solar energy two dimension tracking means | |
CN204086994U (en) | Oblique single-axis solar solar tracking photovoltaic generating system | |
CN203433369U (en) | Refrigerant type solar energy wall machine | |
CN203504484U (en) | Household photovoltaic light following device | |
CN208635348U (en) | Solar tracking high-efficient flat-plate solar thermal collector | |
CN202085101U (en) | Single-shaft type solar photovoltaic automatic tracing device |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
C41 | Transfer of patent application or patent right or utility model | ||
GR01 | Patent grant | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20160120 Address after: Yang Mu Lu high tech Zone 315030 in Zhejiang province Ningbo City 226 No. 103 Lane 601 Applicant after: Ningbo Technology Park Lvpai Soft Packing Trade Co., Ltd. Address before: 315332, Zhejiang, Ningbo, Cixi province Hai Hai Road, No. two Applicant before: Li Wanhong |
|
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160210 Termination date: 20160909 |
|
CF01 | Termination of patent right due to non-payment of annual fee |