CN206099536U - Wireless power supply device and electrical equipment - Google Patents
Wireless power supply device and electrical equipment Download PDFInfo
- Publication number
- CN206099536U CN206099536U CN201620934876.8U CN201620934876U CN206099536U CN 206099536 U CN206099536 U CN 206099536U CN 201620934876 U CN201620934876 U CN 201620934876U CN 206099536 U CN206099536 U CN 206099536U
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- China
- Prior art keywords
- wireless power
- power supply
- transmitting coil
- ferrite core
- component
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Abstract
The utility model discloses a wireless power supply device and an electrical equipment. Wireless power supply device includes: transmitting coil subassembly and receiving coil group spare. The transmitting coil subassembly includes: a ferrite core has one and holds the chamber, it has an opening to hold the chamber, and transmitting coil, set up a ferrite core holds in the chamber. Receiving coil group spare be suitable for via the opening that holds the chamber enters into the suitable position in the chamber holds, so that with transmitting coil subassembly electromagnetic coupling. Electrical equipment includes the load and is used for the wireless power supply device to the load power supply. The utility model discloses in, magnetic field that transmitting coil produced by limit a ferrite core hold the chamber, only have very few magnetic field can to leak a ferrite core's outside, consequently, can reduce the eddy current effect on near the metalwork in transmitting coil, improved wireless power supply efficiency and stability.
Description
Technical field
The utility model is related to a kind of wireless power supply and the electrical equipment including the wireless power supply.
Background technology
In existing electrical equipment, it is by external cabling or built-in to control with the electric energy needed for driver part
Battery is obtained, and the transmission of inside electric appliance electric energy is also mainly transmitted by the mode of power line physical connection, therefore, at some
In the moving area of moving component, easily there is physical abrasion so as to cause some safety, equipment life and maintenance in power line
Problem.
For the defect for overcoming wired connection to be brought, in recent years, introduce in the design of electrical equipment and be wirelessly transferred
The mode of electric energy, i.e., the mode for being coupled using coil group in some key positions is realizing the contactless transmission of energy.Wirelessly
The appearance of power supply technique is powered bringing great convenience property to the moving component in electrical equipment.Wireless power technology can be with complete
The problem of safety caused by physical abrasion, equipment life and maintenance is avoided entirely.And make the freedom of the structure design of electrical equipment
Degree is greatly promoted, and increased electrical equipment, especially the aesthetic feeling and feature of the consumer electronics device such as household electrical appliances.
In the prior art, Contactless power transmission device generally include a transmitting coil and couple with transmitting coil one
Individual receiving coil.In actually used, for the aesthetic feeling of product appearance, it is often necessary to transmitting coil is placed in metal shell and is hidden
Get up.If metal shell is closer to the distance with transmitting coil, the alternating magnetic field of transmitting coil can be in the surface sense of metal shell
Bear eddy current.The harm of eddy current effect is many：(1) power of system is wasted in metal shell heating,
Reduce the efficiency and stability of system；(2) self-induction and transmitting coil and receiving coil of transmitting coil and receiving coil it
Between mutual inductance be affected, original matching for transmitting coil and receiving coil is failed, and system cannot normal work.
In order to reduce eddy current effect, metal shell is usually required that apart from receiving coil at least 6mm, it is right that this necessarily may require that
The size of metal shell is modified amplification, increased the design difficulty of product appearance, is unfavorable for the miniaturization of product.
Utility model content
A purpose of the present utility model aims to solve the problem that at least one of the above-mentioned problems in the prior art and defect
Aspect.
According to one side of the present utility model, there is provided a kind of wireless power supply, including：Transmitting coil component and reception
Coil block.The transmitting coil component includes：First FERRITE CORE, with an accommodating chamber, the accommodating chamber has one
Individual opening；And transmitting coil, in being arranged on the accommodating chamber of first FERRITE CORE.The receiving coil component be suitable to via
The appropriate location that the opening of the accommodating chamber is entered in the accommodating chamber, so as to the transmitting coil component electromagnetic coupled.
According to one embodiment of the present utility model, the transmitting coil includes the first emission component circle and with described first
Emission component circle is spaced the second relative emission component circle；The first emission component circle and the second emission component circle are suitable to
Produce the magnetic field of equidirectional.
According to another embodiment of the present utility model, the first emission component circle and the second emission component circle phase
Mutually series connection, and the first emission component circle is identical with the winding direction of the second emission component circle so that flow through described
First emission component circle is consistent with the direction in the magnetic field produced by the electric current of the second emission component circle.
According to another embodiment of the present utility model, first FERRITE CORE includes diapire and positioned at the two of diapire
The first side wall and second sidewall of side；First that projection is formed with the inside of the first side wall is raised, in second side
Second that projection is formed with the inside of wall is raised；The first emission component circle is wrapped in first projection, and described second
Emission component circle is wrapped in second projection.
According to another embodiment of the present utility model, the wireless power supply also includes metal shell body, the gold
Category shell body have be suitable to accommodate the interior accommodating space of the transmitting coil component.
According to another embodiment of the present utility model, window is formed with the roof of the metal shell body, it is described
Opening of the window towards the accommodating chamber of first FERRITE CORE so that the receiving coil component is suitable to via the gold
The appropriate location that the window of category shell body and the opening of the accommodating chamber are entered in the accommodating chamber.
According to another embodiment of the present utility model, the metal shell body has bottom opening so that the transmitting
Coil block is suitable to be entered in the interior accommodating space of the metal shell body via the bottom opening.
According to another embodiment of the present utility model, when fitting that the receiving coil component is entered in the accommodating chamber
When position, the receiving coil component is positioned between the first emission component circle and the second emission component circle.
According to another embodiment of the present utility model, the receiving coil component includes the second FERRITE CORE and winding
Receiving coil on second FERRITE CORE.
According to another embodiment of the present utility model, when fitting that the receiving coil component is entered in the accommodating chamber
When position, the central axis of the transmitting coil and the receiving coil is parallel to each other.
According to another embodiment of the present utility model, when fitting that the receiving coil component is entered in the accommodating chamber
When position, the transmitting coil and the receiving coil have identical central axis.
According to another embodiment of the present utility model, the first projection of first FERRITE CORE and the second projection are in
It is convex that cuboid or cylindrical shape, the first emission component circle and the second emission component circle are respectively wound around described first
Rise on the outer peripheral face with second projection.
According to another embodiment of the present utility model, second FERRITE CORE in cuboid or cylindrical shape,
Outer peripheral face with top surface, bottom surface and between top surface and bottom surface, the receiving coil is wrapped in second ferrite magnetic
On the outer peripheral face of core.
According to another embodiment of the present utility model, first FERRITE CORE is that cross section is substantially u-shaped
Strip FERRITE CORE.
According to another embodiment of the present utility model, the cross section of the metal shell body is substantially in reverse U shape.
According to another embodiment of the present utility model, the length of the transmitting coil component is more than the receiving coil group
The length of part so that multiple receiving coil components can simultaneously be accommodated in the different positions in the single transmitting coil component
Put place so that the single transmitting coil component can simultaneously with multiple receiving coil component electromagnetic coupleds.
According to another embodiment of the present utility model, multiple windows are formed with the roof of the metal shell body
Mouthful, multiple receiving coil components can be entered in the metal shell body via multiple windows, and be arranged on institute
State the single described transmitting coil component electromagnetic coupled in metal shell body.
According to other side of the present utility model, there is provided a kind of electrical equipment, including load and for the load
The aforementioned wireless power supply of power supply.
In the embodiment of aforementioned each exemplary of the present utility model, the magnetic field that transmitting coil is produced is limited in first
In the accommodating chamber of FERRITE CORE, only considerably less magnetic field can leak into the outside of the first FERRITE CORE, therefore, can be significantly
The eddy current effect on the metalwork (for example, metal shell body) of transmitting coil annex is reduced, wireless power efficiency and steady is improve
It is qualitative.
By below with reference to accompanying drawing to the utility model description, other objects and advantages of the present utility model will
It is clear that and can help be fully understood by the utility model.
Description of the drawings
Fig. 1 shows the decomposing schematic representation of the wireless power supply of the embodiment according to an exemplary of the present utility model；
Fig. 2 shows the transmitting coil component of the wireless power supply of the embodiment according to an exemplary of the present utility model
Transverse sectional view；
Fig. 3 shows the assembling schematic diagram of the wireless power supply of the embodiment according to an exemplary of the present utility model；
Fig. 4 shows the perspective illustration of the wireless power supply of the embodiment according to an exemplary of the present utility model；
With
Fig. 5 shows the transverse sectional view of the wireless power supply of the embodiment according to an exemplary of the present utility model.
Specific embodiment
Below by embodiment, and accompanying drawing is combined, the technical solution of the utility model is described in further detail.
In specification, same or analogous drawing reference numeral indicates same or analogous part.It is following referring to the drawings to the utility model reality
The explanation for applying mode is intended to explain overall utility model design of the present utility model, and is not construed as to this practicality
A kind of new restriction.
In addition, in the following detailed description, for ease of explaining, elaborate many concrete details to provide to present disclosure
The comprehensive understanding of embodiment.It should be apparent, however, that one or more embodiments can also in the case of without these details
It is carried out.In other cases, known construction and device diagrammatically embodies to simplify accompanying drawing.
According to a general plotting of the present utility model, there is provided a kind of wireless power supply, including：Transmitting coil component and
Receiving coil component.The transmitting coil component includes：First FERRITE CORE, with an accommodating chamber, the accommodating chamber tool
There is an opening；And transmitting coil, in being arranged on the accommodating chamber of first FERRITE CORE.The receiving coil component is suitable to
Via the appropriate location that the opening of the accommodating chamber is entered in the accommodating chamber, so as to the transmitting coil component electromagnetism coupling
Close.
Fig. 1 shows the decomposing schematic representation of the wireless power supply of the embodiment according to an exemplary of the present utility model.
As shown in figure 1, in the illustrated embodiment, the wireless power supply mainly includes：Transmitting coil component 100 and connect
Take-up coil assembly 200.Receiving coil component 200 is suitable to and the electromagnetic coupled of transmitting coil component 100.
Fig. 2 shows the transmitting coil component of the wireless power supply of the embodiment according to an exemplary of the present utility model
100 transverse sectional view.
As depicted in figs. 1 and 2, in one embodiment of the present utility model, aforementioned transmitting coil component 100 mainly includes
First FERRITE CORE 110 and transmitting coil 120a, 120b.First FERRITE CORE 110 has an accommodating chamber 101, the appearance
Chamber 101 is received with an opening.Transmitting coil 120a, 120b are arranged in the accommodating chamber 101 of the first FERRITE CORE 110.Connect
(extremely scheme referring to Fig. 3 the appropriate location that take-up coil assembly 200 is suitable to be entered in accommodating chamber 101 via the opening of accommodating chamber 101
5), so as to the electromagnetic coupled of transmitting coil component 100.
As depicted in figs. 1 and 2, in the illustrated embodiment, transmitting coil 120a, 120b includes the first emission component circle
The 120a and second emission component circle 120b relative with the first emission component circle 120a intervals.First emission component circle 120a and
Two emission component circle 120b are suitable to produce the magnetic field of equidirectional.
As depicted in figs. 1 and 2, in the illustrated embodiment, the first emission component circle 120a and the second emission component circle
120b is serially connected, and the first emission component circle 120a is identical with the winding direction of the second emission component circle 120b so that stream
The direction for crossing the magnetic field produced by the electric current of the first emission component circle 120a and the second emission component circle 120b is consistent.
As depicted in figs. 1 and 2, in the illustrated embodiment, the first FERRITE CORE 110 includes diapire 113 and the bottom of positioned at
The first side wall 111 and second sidewall 112 of the both sides of wall 113.In the illustrated embodiment, the first FERRITE CORE 110 does not have
Roof, its top opens outwardly, therefore, in the illustrated embodiment, the first FERRITE CORE 110 is substantially in for cross section
The strip FERRITE CORE of U-shaped.
As depicted in figs. 1 and 2, in the illustrated embodiment, in the first side wall 111 of the first FERRITE CORE 110
Side is formed with the first projection 110a of projection, and in the inner side of the second sidewall 112 of the first FERRITE CORE 110 projection is formed with
Second projection 110b.First emission component circle 120a is wrapped on the first projection 110a of the first FERRITE CORE 110, second
Penetrate subcoil 120b to be wrapped on the second projection 110b of the first FERRITE CORE 110.
Fig. 3 shows the assembling schematic diagram of the wireless power supply of the embodiment according to an exemplary of the present utility model；
Fig. 4 shows the perspective illustration of the wireless power supply of the embodiment according to an exemplary of the present utility model；Show with Fig. 5
According to the transverse sectional view of the wireless power supply of the embodiment of an exemplary of the present utility model.
As shown in Fig. 1, Fig. 3 to Fig. 5, in one embodiment of the present utility model, aforementioned wireless power supply also includes
Metal shell body 300, the metal shell body 300 has the interior accommodating space 301 for being suitable to accommodate transmitting coil component 100.
As shown in Fig. 1, Fig. 3 to Fig. 5, in the illustrated embodiment, it is formed with the roof 330 of metal shell body 300
Window 331, opening of the window 331 towards the accommodating chamber 101 of the first FERRITE CORE 110 so that receiving coil component 200 is fitted
In the appropriate location that the opening of the window 331 via metal shell body 300 and accommodating chamber 101 is entered in accommodating chamber 101, so as to
With the electromagnetic coupled of transmitting coil component 100.
As shown in Fig. 1, Fig. 3 to Fig. 5, in the illustrated embodiment, metal shell body 300 has bottom opening so that send out
Ray coil assembly 100 is suitable in the interior accommodating space 301 that metal shell body 300 is entered into via bottom opening.
As shown in Figures 1 to 5, in the illustrated embodiment, when receiving coil component 200 is entered in accommodating chamber 101
During appropriate location, receiving coil component 200 is positioned between the first emission component circle 120a and the second emission component circle 120b.
As shown in Fig. 1, Fig. 3 to Fig. 5, in the illustrated embodiment, receiving coil component 200 includes the second FERRITE CORE
210 and the receiving coil 220 that is wrapped on the second FERRITE CORE 210.
As shown in Figures 3 to 5, in the illustrated embodiment, when receiving coil component 200 is entered in accommodating chamber 101
During appropriate location, the central axis of transmitting coil 120a, 120b and receiving coil 220 is parallel to each other.
As shown in Figures 3 to 5, in the illustrated embodiment, when receiving coil component 200 is entered in accommodating chamber 101
During appropriate location, transmitting coil 120a, 120b and receiving coil 220 have identical central axis.
As shown in Figures 1 to 5, in one embodiment of the present utility model, the first of the first FERRITE CORE 110 is raised
The projections of 110a and second 110b can be in cuboid, cylinder or other suitable shapes, the first emission component circle 120a and the
Two emission component circle 120b are respectively wound around on the outer peripheral face of the first projection 110a and the second projection 110b.
As shown in Fig. 1, Fig. 3 to Fig. 5, in one embodiment of the present utility model, the second FERRITE CORE 210 can be in
Cuboid, cylinder or other suitable shapes, the second FERRITE CORE 210 has top surface, bottom surface and positioned at top surface and bottom surface
Between outer peripheral face, receiving coil 220 is wrapped on the outer peripheral face of the second FERRITE CORE 210.
As shown in Fig. 1, Fig. 3 to Fig. 5, in the illustrated embodiment, metal shell body 300 includes roof 330 and positioned at top
A pair of sidewalls 310,320 of wall both sides.The no diapire of metal shell body 300, therefore, the bottom of metal shell body 300 is open
's.Therefore, in the illustrated embodiment, the cross section of metal shell body 300 is substantially in reverse U shape.
Shown as shown in Figure 1, Figure 3 and Figure 4, in the illustrated embodiment, the length of transmitting coil component 100 is more than receiving coil
The length of component 200 so that multiple receiving coil components 200 can be accommodated in single transmitting coil component 100 not simultaneously
At position so that single transmitting coil component 100 can simultaneously with multiple electromagnetic coupleds of receiving coil component 200.
It is shown as shown in Figure 1, Figure 3 and Figure 4, in the illustrated embodiment, it is formed with the roof 330 of metal shell body 300
Multiple windows 331, multiple receiving coil components 200 can be entered in metal shell body 300 via multiple windows 331, and with set
Put the single electromagnetic coupled of transmitting coil component 100 in metal shell body 300.
A circuit board is may be connected to according to the transmitting coil component 100 of the utility model one embodiment (not showing in figure
Go out), there is DC-ac conversion circuit the direct current of input is converted to into alternating current on the circuit board, then on circuit board
Match circuit drive transmitting coil.And receiving coil component 200 may be connected to another circuit board (not shown), the circuit
There are match circuit, rectification, filtering and DC-to-dc change-over circuit on plate with driving load.
Although not shown, in another embodiment of the present utility model, a kind of electrical equipment is also disclosed, this electrically sets
It is standby to include load and the wireless power supply for powering to the load.The wireless power supply can be aforementioned any embodiment institute
The wireless power supply of description.
In one embodiment of the present utility model, aforementioned electrical equipment can be refrigerator, washing machine, air-conditioning etc. any
Plant electric device.
It will be understood to those skilled in the art that embodiment described above is all exemplary, and this area
Technical staff can make improvements, the rushing in terms of not recurring structure or principle of the structure described in various embodiments
Independent assortment can be carried out in the case of prominent.
Although being illustrated to the utility model with reference to accompanying drawing, the embodiment disclosed in accompanying drawing is intended to this practicality
New preferred embodiment is illustrative, and it is not intended that to a kind of restriction of the present utility model.
Although some embodiments of this overall utility model design have been shown and have illustrated, those of ordinary skill in the art will
Understand, in the case of the principle and spirit conceived without departing substantially from this overall utility model, these embodiments can be made a change, this
The scope of utility model is limited with claim and their equivalent.
It should be noted that word " including " is not excluded for other elements or step, word "a" or "an" is not excluded for multiple.Separately
Outward, any element label of claim should not be construed as limiting scope of the present utility model.
Claims (18)
1. a kind of wireless power supply, including：Transmitting coil component (100) and receiving coil component (200),
It is characterized in that：
The transmitting coil component (100) includes：
First FERRITE CORE (110), with an accommodating chamber (101), the accommodating chamber (101) is with an opening；With
Transmitting coil (120a, 120b), in being arranged on the accommodating chamber (101) of first FERRITE CORE (110),
The receiving coil component (200) is suitable to be entered in the accommodating chamber (101) via the opening of the accommodating chamber (101)
Appropriate location, so as to transmitting coil component (100) electromagnetic coupled.
2. wireless power supply according to claim 1, it is characterised in that：
The transmitting coil (120a, 120b) include the first emission component circle (120a) and with the first emission component circle
(120a) it is spaced the second relative emission component circle (120b)；
The first emission component circle (120a) and the second emission component circle (120b) are suitable to produce the magnetic field of equidirectional.
3. wireless power supply according to claim 2, it is characterised in that：
The first emission component circle (120a) is serially connected with the second emission component circle (120b), and described first
Penetrate subcoil (120a) identical with the winding direction of the second emission component circle (120b) so that flow through the first transmitting
Coil (120a) is consistent with the direction in the magnetic field produced by the electric current of the second emission component circle (120b).
4. wireless power supply according to claim 2, it is characterised in that：
First FERRITE CORE (110) includes diapire (113) and the first side wall (111) positioned at the both sides of diapire (113)
With second sidewall (112)；
First raised (110a) of projection is formed with the inside of the first side wall (111), in the second sidewall (112)
Inner side is formed with second raised (110b) of projection；
The first emission component circle (120a) is wrapped on described first raised (110a), the second emission component circle
(120b) it is wrapped on described second raised (110b).
5. wireless power supply according to claim 2, it is characterised in that：
The wireless power supply also includes metal shell body (300), and the metal shell body (300) is described with receiving is suitable to
The interior accommodating space (301) of transmitting coil component (100).
6. wireless power supply according to claim 5, it is characterised in that：
It is formed with window (331) on the roof (330) of the metal shell body (300), the window (331) is towards described
The opening of the accommodating chamber (101) of one FERRITE CORE (110) so that the receiving coil component (200) is suitable to via the gold
It is appropriate in the accommodating chamber (101) that the window (331) of category shell body (300) and the opening of the accommodating chamber (101) are entered into
Position.
7. wireless power supply according to claim 6, it is characterised in that：
The metal shell body (300) is with bottom opening so that the transmitting coil component (100) is suitable to via the bottom
Opening is entered in the interior accommodating space (301) of the metal shell body (300).
8. the wireless power supply according to any one of claim 2-7, it is characterised in that：
When the appropriate location that the receiving coil component (200) is entered in the accommodating chamber (101), the receiving coil group
Part (200) is positioned between the first emission component circle (120a) and the second emission component circle (120b).
9. wireless power supply according to claim 8, it is characterised in that：
The receiving coil component (200) is including the second FERRITE CORE (210) and is wrapped in second FERRITE CORE
(210) receiving coil (220) on.
10. wireless power supply according to claim 9, it is characterised in that：
When the appropriate location that the receiving coil component (200) is entered in the accommodating chamber (101), the transmitting coil
The central axis of (120a, 120b) and the receiving coil (220) is parallel to each other.
11. wireless power supplies according to claim 10, it is characterised in that：
When the appropriate location that the receiving coil component (200) is entered in the accommodating chamber (101), the transmitting coil
(120a, 120b) and the receiving coil (220) are with identical central axis.
12. wireless power supplies according to claim 2, it is characterised in that：
The first of first FERRITE CORE (110) raised (110a) and second raised (110b) are in cuboid or cylindrical
It is raised that shape, the first emission component circle (120a) and the second emission component circle (120b) are respectively wound around described first
(110a) and on the outer peripheral face of described second raised (110b).
13. wireless power supplies according to claim 9, it is characterised in that：
Second FERRITE CORE (210) in cuboid or cylindrical shape, with top surface, bottom surface and positioned at top surface and bottom surface
Between outer peripheral face, the receiving coil (220) is wrapped on the outer peripheral face of second FERRITE CORE (210).
14. wireless power supplies according to claim 1, it is characterised in that：
First FERRITE CORE (110) is the substantially u-shaped strip FERRITE CORE in cross section.
15. wireless power supplies according to claim 5, it is characterised in that：The cross section of the metal shell body (300)
Substantially it is in reverse U shape.
16. wireless power supplies according to claim 6, it is characterised in that：
Length of the length of the transmitting coil component (100) more than the receiving coil component (200) so that connect described in multiple
Take-up coil assembly (200) can simultaneously be accommodated in the various location in the single transmitting coil component (100), so that
The single transmitting coil component (100) can simultaneously with multiple receiving coil component (200) electromagnetic coupleds.
17. wireless power supplies according to claim 16, it is characterised in that：
Multiple windows (331), multiple reception lines are formed with the roof (330) of the metal shell body (300)
Coil assembly (200) can be entered in the metal shell body (300) via multiple windows (331), and described with being arranged on
Single described transmitting coil component (100) electromagnetic coupled in metal shell body (300).
A kind of 18. electrical equipments, including load and for the wireless power supply of the load supplying,
It is characterized in that：
The wireless power supply that the wireless power supply is limited by any one of claim 1-17.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620934876.8U CN206099536U (en) | 2016-08-24 | 2016-08-24 | Wireless power supply device and electrical equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620934876.8U CN206099536U (en) | 2016-08-24 | 2016-08-24 | Wireless power supply device and electrical equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206099536U true CN206099536U (en) | 2017-04-12 |
Family
ID=58469416
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620934876.8U Expired - Fee Related CN206099536U (en) | 2016-08-24 | 2016-08-24 | Wireless power supply device and electrical equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206099536U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107786002A (en) * | 2016-08-24 | 2018-03-09 | 泰科电子(上海)有限公司 | Wireless power supply and electrical equipment |
-
2016
- 2016-08-24 CN CN201620934876.8U patent/CN206099536U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107786002A (en) * | 2016-08-24 | 2018-03-09 | 泰科电子(上海)有限公司 | Wireless power supply and electrical equipment |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| 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: 20170412 Termination date: 20210824 |