CN209388866U - Hook type current transformer - Google Patents
Hook type current transformer Download PDFInfo
- Publication number
- CN209388866U CN209388866U CN201920301110.XU CN201920301110U CN209388866U CN 209388866 U CN209388866 U CN 209388866U CN 201920301110 U CN201920301110 U CN 201920301110U CN 209388866 U CN209388866 U CN 209388866U
- Authority
- CN
- China
- Prior art keywords
- rod
- shell
- handle
- inner cavity
- current transformer
- 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
Landscapes
- Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
Abstract
The utility model relates to a kind of hook type current transformers, it includes first shell, second shell set on first shell side, set on first shell and the intracorporal magnetic core of second shell, the winding that is wound on magnetic core and it is fixedly arranged on first shell and the side of second shell is installed with handle, the first shell and second shell are hinged and offer the centre bore that current supply cable passes through between the two, the end of the handle offers connection jaws, the inside of each handle offers the inner cavity being connected to one end, it is described interior intracavitary equipped with elongation mechanism, the elongation mechanism includes that sliding is connected to interior intracavitary elongation bar and offers card slot at chamber exit, inner cavity is stretched out in one end of the elongation bar, width at the chamber exit is greater than it and is located at the width in handle, it is located at interior intracavitary one end and is installed with fixture block.The utility model has the effect of lengthening the length of handle when measuring cable to improve safety.
Description
Technical field
The utility model relates to the technical fields of current transformer, more particularly, to a kind of hook type current transformer.
Background technique
Estimated current mutual inductor is widely used in Switching Power Supply, is generally used for the detection of switching frequency pulse current, makees
For control, driving or protection signal.Common pulse current mutual inductor all uses toroidal core, when production assembles, by signal
On magnet ring, the current signal sampled is then passed through around several circles on magnet ring winding technique, can thus be obtained on signal winding
The pulsed current signal that must be needed.
In the prior art, the Authorization Notice No. that can refer to is the Chinese patent of CN104715913B, and it discloses a kind of pincers
Form drag current transformer includes: the first iron core；First coil is wound on the outer wall of first iron core；Second iron
Core forms double-iron core with the first iron core laid out in parallel；Second coil is wound on the outer wall of second iron core；Third line
Circle is wound on the outer wall of the double-iron core；Wherein, the forward direction of the positive Same Name of Ends, tertiary coil of the first coil
The reversed Same Name of Ends of Same Name of Ends and the second coil is connected；The reversed Same Name of Ends of the first coil, tertiary coil it is reversed
The positive Same Name of Ends of Same Name of Ends and the second coil is connected.
Prior art among the above has the following deficiencies: that the documents are capable of providing one kind and resist sweet great waves ability strong,
Signal-stabilized hook type current transformer, but when being measured to high voltage cable, mounted in live high-voltage circuitbreaker, rise
Dais is close from high-voltage line generally apart from ground 2.5-4 meters, if implementing split core type current transformer by manually climbing up equipment
It mounts and disassembling section, there is not expected security risk.
Utility model content
The purpose of the utility model is to provide a kind of to lengthen the length of handle when measuring to cable to improve safety
The hook type current transformer of property.
The above-mentioned purpose of utility model of the utility model has the technical scheme that
A kind of hook type current transformer, including first shell, set on first shell side second shell, be set to first shell
Body and the intracorporal magnetic core of second shell, the winding being wound on magnetic core and it is fixedly arranged on first shell and the side of second shell is fixed
There is handle, the first shell and second shell are hinged and offer the centre bore that current supply cable passes through between the two, institute
The end for stating handle offers connection jaws, and the inside of each handle offers the inner cavity being connected to one end, described interior intracavitary
Equipped with elongation mechanism, the elongation mechanism includes that sliding is connected to interior intracavitary elongation bar and offers card at chamber exit
Inner cavity is stretched out in slot, one end of the elongation bar, and the width at the chamber exit is greater than it and is located at the width in handle, elongation bar
Spherical link block is installed with close to one end of handle, the diameter of link block and the diameter of inner cavity are identical, and are greater than elongation bar
Diameter, fixture block are fixedly arranged on the side wall of link block, and when at the position that elongation bar is completely pulled out, fixture block can be stuck in interior intracavitary and energy
Enough intracavitary turn to inside are clamped with card slot.
By using above-mentioned technical proposal, when being measured to high voltage cable, by elongation bar from interior intracavitary extraction, then
Rotation elongation bar snaps onto fixture block in card slot, completes the fixation of corresponding elongation bar, pulls out in two one or two elongation bar on hand
Later, two elongation bars are then held and rotate first shell and second shell, make to pass through between first shell and second shell
Opening, high-tension cable are entered in centre bore by opening between the two, when then inverting first shell and second shell again
Opening closure, can both measure cable in this way, then after being measured, rotate two elongation bars for first shell and second
Shell is removed, then by fixture block and exact separation, elongation bar is sent back to it is interior intracavitary, to carry out measurement next time, due to elongation
Bar lengthens people and arrives the distance between high voltage cable, thus safer.
The utility model is further arranged to: link slot is offered at the top of the handle, rotation connects in the link slot
Ratchet is connect, the card slot is located between the two neighboring tooth of ratchet, and the ratchet is equipped with pawl far from the side of elongation bar, described
Ratchet and pawl are intermeshed.
Elongation bar is rotated after elongation bar pull-out by using above-mentioned technical proposal, elongation bar rotates and drives fixture block
Rotation, after fixture block turns between two teeth of ratchet, pawl can block ratchet to prevent ratchet from inverting, and then fixture block is consolidated
It is scheduled in card slot, fixing-stable.
The utility model is further arranged to: connecting rod, the both ends of the connecting rod are rotatably connected in the link slot
It is rotatablely connected with handle, the pawl is set in connecting rod.
By using above-mentioned technical proposal, it is rotatablely connected bar, separates pawl with ratchet, such fixture block can be out of card slot
Return, so elongation bar send back to it is interior intracavitary, it is more convenient.
The utility model is further arranged to: handle setting is stretched out in one end of the connecting rod, and the connecting rod stretches out handle
The fixed runner with connecting rod coaxial arrangement in one end of hand.
By using above-mentioned technical proposal, rotating wheel simultaneously drives connecting rod to be rotated, so that ratchet and pawl phase
Mutually separation, it is more convenient.
The utility model is further arranged to: torsional spring, one end of the torsional spring and connecting rod are arranged in the connecting rod
It is fixedly connected, the other end is fixedly connected with the side wall of link slot.
By using above-mentioned technical proposal, elongation bar send back to it is interior it is intracavitary after, rebound masterpiece of the connecting rod in torsional spring
With lower reversion, so that pawl automatically returns to original position and ratchet is intermeshed, for use next time.
The utility model is further arranged to: the elongation bar includes and first body of rod of inner cavity sliding connection and is set to the
At least one second body of rod in bipole body, two adjacent second bodies of rod are mutually arranged, and first body of rod and second body of rod,
The limit assembly for preventing the two to be mutually disengaged and will not bounce back after the pull-out of second body of rod is equipped between adjacent second body of rod.
By using above-mentioned technical proposal, when pulling out elongation bar, second body of rod can be pulled out prior to first body of rod,
After one body of rod and second body of rod pull out, by limit assembly to adjacent first body of rod and second body of rod, two the second bars
It is fixed between body, and prevents the length of handle from can increase considerably, to improve the safety that current transformer uses.
The utility model is further arranged to: the limit assembly includes set on first body of rod and second body of rod far from handle
First baffle ring of one end and it is fixedly arranged on second baffle ring of second body of rod close to handle one end, second baffle ring is located at adjacent the
On the inside of one baffle ring, the side wall on the inside of first baffle ring can be affixed with the side wall on the outside of the second baffle ring, second baffle ring
Outside offers external screw thread, first body of rod and second body of rod is offered close to one end of itself the first baffle ring and external screw thread
The internal screw thread matched.
Second body of rod is rotated, makes second after first body of rod and second body of rod pull out by using above-mentioned technical proposal
Baffle ring is screwed on corresponding internal screw thread, be screwed to be affixed with corresponding first baffle ring when stopping, such first body of rod and second
It is able to carry out effective fixation between the body of rod and the two neighboring body of rod, after being measured to high-tension cable, rotates backward
Second body of rod can slide into second body of rod in adjacent second body of rod of outside or first body of rod, facilitate stabilization.
The utility model is further arranged to: the end positioned at innermost second body of rod is installed with pull ring.
It is more laborsaving by pulling pull ring to pull out second body of rod and first body of rod by using above-mentioned technical proposal.
In conclusion the advantageous effects of the utility model are as follows:
1. the utility model is by being arranged elongation mechanism far from the side of first shell and second shell in handle to guarantee
It is safer when being measured to high-tension cable；
2. the utility model opens up link slot by the end in handle, and be arranged in link slot ratchet and pawl to
More easily fixture block is fixed；
3. the utility model, by being arranged pawl in connecting rod, rotation connection bar can be divided ratchet and pawl
From to facilitate elongation bar to return.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the utility model.
Fig. 2 is the utility model entirety schematic cross-sectional view.
Fig. 3 is the handle schematic cross-sectional view of the utility model.
Fig. 4 is first body of rod and the second body of rod schematic cross-sectional view of the utility model.
In figure, 1, first shell；11, centre bore；2, second shell；3, magnetic core；4, winding；5, handle；51, cable；52,
Inner cavity；53, link slot；54, clamping assembly；541, ratchet；5411, card slot；542, connecting rod；543, pawl；544, runner；
545, torsional spring；6, elongation mechanism；61, elongation bar；611, first body of rod；612, second body of rod；613, link block；62, fixture block；
63, limit assembly；631, the first baffle ring；632, the second baffle ring；633, internal screw thread；634, external screw thread；635, pull ring.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
It as depicted in figs. 1 and 2, is a kind of hook type current transformer disclosed by the utility model, including first shell 1, the
Two shells 2, magnetic core 3, winding 4 and handle 5.First shell 1 and the equal semicircular in shape of second shell 2, and first shell 1 and second
One end of shell 2 is hinged, and the other end of the two is mutually close to, and offers circle between first shell 1 and second shell 2
The centre bore 11 of shape, high-tension cable are set in measurement and penetrate into centre bore 11, and magnetic core 3 shares two parts and is respectively arranged on the
In one shell 1 and second shell 2, and both ends magnetic core 3 is hinged, and winding 4 is wound on two sections of magnetic cores 3, and handle 5 shares two
It is a and be fixedly connected respectively with first shell 1 and second shell 2, and two handles 5 are respectively positioned on first shell 1 and second shell
2 hinged sides.One end of one of handle 5 is opened up there are two connection jaws, and connection jaws go out to be connected with cable 51, for even
Connect current measurement setting.
The inside of each handle 5 offers the inner cavity 52 of strip, and the cross section of inner cavity 52 is round and one end
The one end of handle 5 far from first shell 1 and second shell 2 is reached, and the axis direction of inner cavity 52 is along the length of handle 5
Direction setting, inner cavity 52 is interior to be equipped with elongation mechanism 6, and elongation mechanism 6 includes elongation bar 61 and fixture block 62, and elongation bar 61 is cylindrical
And it is plugged in inner cavity 52, elongation bar 61 and the sliding of inner cavity 52 connect, and fixture block 62 is located at elongation bar 61 close to 1 He of first shell
One end of second shell 2, and elongation bar 61 is installed with spherical link block 613 close to one end of fixture block 62, link block 613
Diameter is identical as the diameter of inner cavity 52, and is greater than the diameter of elongation bar 61, and fixture block 62 is fixedly arranged on the side wall of link block 613,
Link slot 53 is offered at the position in corresponding 52 exit of inner cavity of hand 5, is equipped with the card cooperated with fixture block 62 in the link slot 53
Tight component 54, clamping assembly 54 include ratchet 541, connecting rod 542 and pawl 543.Ratchet 541 and axial direction and inner cavity 52
Length direction is vertically arranged and its both ends and ratchet 541 are rotatablely connected, and connecting rod 542 and the axial direction of ratchet 541 are mutual
In parallel, and the side wall of the both ends of connecting rod 542 and link slot 53 is rotatablely connected, and pawl 543 is connected to the middle part of connecting rod 542
And it is intermeshed with ratchet 541, and be card slot 5411 between the two neighboring tooth of ratchet 541.
Handle 5 is stretched out in one end of connecting rod 542, and its one end for stretching out handle 5 is installed with turn being coaxially arranged
Wheel 544, and the two sides of connecting rod 542 are sheathed on torsional spring 545, and one end of torsional spring 545 is fixedly connected with connecting rod 542, separately
One end is fixedly connected with the side wall of link slot 53.
When being measured to high voltage cable 51, elongation bar 61 is extracted out out of inner cavity 52, then rotating elongation bar 61 will
Fixture block 62 snaps onto card slot 5411, completes the fixation of corresponding elongation bar 61, and the elongation bar 61 on two handles 5 pulls out it
Afterwards, two elongation bars 61 are then held and rotate first shell 1 and second shell 2, are made between first shell 1 and second shell 2
Across opening, high-tension cable is entered in centre bore 11 by opening between the two, then inverts first shell 1 and second again
Be open closure when shell 2, can both measure in this way to cable, then after being measured, rotates two elongation bars 61 for first
Shell 1 is removed with second shell 2, then fixture block 62 is separated with card slot 5411, and elongation bar 61 is sent back in inner cavity 52, to carry out
Measurement next time, due to the distance between lengthening people of elongation bar 61 to high voltage cable 51, thus safer.
After the pull-out of elongation bar 61, elongation bar 61 is rotated, elongation bar 61 rotates and fixture block 62 is driven to rotate, and 62 turns of fixture block
After moving between two teeth of ratchet 541, pawl 543 can block ratchet 541 to prevent ratchet 541 from inverting, and then by fixture block
62 are fixed in card slot 5411, fixing-stable.It is rotatablely connected bar 542, separates pawl 543 with ratchet 541, such fixture block 62 can
To return out of card slot 5411, and then elongation bar 61 sends back in inner cavity 52, and rotating wheel 544 simultaneously drives connecting rod 542 to carry out
Rotation, so that ratchet 541 is separated from each other with pawl 543, it is more convenient.After elongation bar 61 sends back in inner cavity 52, even
Extension bar 542 inverts under the rebound effect of torsional spring 545, so that pawl 543 automatically returns to original position and ratchet 541 is intermeshed,
For use next time.
As shown in Figure 3 and Figure 4, elongation bar 61 includes first body of rod 611 and second body of rod 612, first body of rod 611 and second
The body of rod 612 is cylinder, and first body of rod 611 is fixedly connected with above-mentioned link block 613, second body of rod 612 altogether there are two and
Coaxial arrangement, one of them second body of rod 612 are set in first body of rod 611, another second body of rod 612 is inserted in above-mentioned first
In the body of rod 611, limit assembly 63, limit assembly are equipped between 611, two second bodies of rod 612 of second body of rod 612 and first body of rod
63 include the first baffle ring 631 and the second baffle ring 632, and the first baffle ring 631 and the second baffle ring 632 are in circular ring shape, and first gear
It is fixedly arranged on there are two ring 631 is total and respectively second one end of the body of rod 612 far from handle 5 in first body of rod 611 and outside, second gear
Ring 632 altogether there are two and be fixedly arranged on respectively two second bodies of rod 612 close to one end of handle 5, first body of rod 611 and with the first bar
Internal screw thread 633 is offered on the inner sidewall for second body of rod 612 that body 611 is affixed, internal screw thread 633 is set close to the first baffle ring 631
It sets, external screw thread 634 is offered on the outer ring surface of the second baffle ring 632, internal screw thread 633 and external screw thread 634 are intermeshed, and position
It is installed with pull ring 635 in the end of innermost second body of rod 612, pull ring 635 is located at the outer end of second body of rod 612.
When pulling out elongation bar 61, second body of rod 612 can be pulled out prior to first body of rod 611, in first body of rod 611 and the
After bipole body 612 pulls out, by limit assembly 63 to 612, two the second bars of the first adjacent body of rod 611 and second body of rod
It is fixed between body 612, and prevents the length of handle 5 from can increase considerably, to improve the peace that current transformer uses
Quan Xing.After first body of rod 611 and second body of rod 612 pull out, second body of rod 612 is rotated, the second baffle ring 632 is made to be screwed into phase
On the internal screw thread 633 answered, be screwed to be affixed with corresponding first baffle ring 631 when stopping, such first body of rod 611 and second body of rod
It is able to carry out effective fixation between 612 and the two neighboring body of rod, after being measured to high-tension cable, rotates backward
Bipole body 612 can slide into second body of rod 612 in adjacent outside second body of rod 612 or first body of rod 611, convenient steady
It is fixed, it is more laborsaving by pulling pull ring 635 to pull out second body of rod 612 and first body of rod 611.
The embodiment of present embodiment is the preferred embodiment of the utility model, and not limitation is originally practical new according to this
The protection scope of type, therefore: the equivalence changes that all structures, shape, principle according to the utility model are done should all be covered by practical
Within novel protection scope.
Claims (8)
1. a kind of hook type current transformer, including first shell (1), the second shell (2) that is set to first shell (1) side, set
In in first shell (1) and second shell (2) magnetic core (3), the winding (4) that is wound on magnetic core (3) and be fixedly arranged on first shell
The side of body (1) and second shell (2) is installed with handle (5), and the first shell (1) and second shell (2) are hinged
And the centre bore (11) that current supply cable passes through is offered between the two, the end of the handle (5) offers connection jaws, feature
Be: the inside of each handle (5) offers the inner cavity (52) being connected to one end, is equipped with stretching machine of elongation in the inner cavity (52)
Structure (6), the elongation mechanism (6) include sliding the elongation bar (61) being connected in inner cavity (52) and set on inner cavity (52) exit
It offers card slot (5411), inner cavity (52) are stretched out in one end of the elongation bar (61), and the width in inner cavity (52) exit is big
It is located at the width in handle (5) in it, elongation bar (61) is installed with spherical link block (613) close to the one end of handle (5), even
The diameter for connecing block (613) is identical as the diameter of inner cavity (52), and is greater than the diameter of elongation bar (61), and fixture block (62) is fixedly arranged on connection
On the side wall of block (613), when at the position that elongation bar (61) is completely pulled out, fixture block (62) can be stuck in inner cavity (52) and can
It turns in inner cavity (52) and is clamped with card slot (5411).
2. hook type current transformer according to claim 1, it is characterised in that: the company of offering at the top of the handle (5)
Access slot (53), the link slot (53) is interior to be rotatablely connected ratchet (541), and the card slot (5411) is located at the adjacent of ratchet (541)
Between two teeth, the ratchet (541) is equipped with pawl (543), the ratchet (541) and pawl far from the side of elongation bar (61)
(543) it is intermeshed.
3. hook type current transformer according to claim 2, it is characterised in that: be rotatably connected in the link slot (53)
Connecting rod (542), the both ends and handle (5) of the connecting rod (542) are rotatablely connected, and the pawl (543) is set to connecting rod
(542) on.
4. hook type current transformer according to claim 3, it is characterised in that: one end of the connecting rod (542) is stretched out
Handle (5) setting, the connecting rod (542) stretch out the fixed runner with connecting rod (542) coaxial arrangement in one end of handle (5)
(544)。
5. hook type current transformer according to claim 3, it is characterised in that: be arranged with torsion on the connecting rod (542)
One end of spring (545), the torsional spring (545) is fixedly connected with connecting rod (542), and the other end and the side wall of link slot (53) are fixed
Connection.
6. hook type current transformer according to claim 1, it is characterised in that: the elongation bar (61) includes and inner cavity
(52) first body of rod (611) of sliding connection and at least one second body of rod (612) being set in second body of rod (612) are adjacent
Two second bodies of rod (612) be mutually arranged, and first body of rod (611) and second body of rod (612), adjacent second body of rod
(612) limit assembly for preventing the two to be mutually disengaged and will not bounce back after second body of rod (612) pull out is equipped between
(63)。
7. hook type current transformer according to claim 6, it is characterised in that: the limit assembly (63) includes being set to the
It the first baffle ring (631) far from handle (5) one end of one body of rod (611) and second body of rod (612) and is fixedly arranged on second body of rod (612)
The second baffle ring (632) close to handle (5) one end, second baffle ring (632) are located on the inside of adjacent the first baffle ring (631),
Side wall on the inside of first baffle ring (631) can be affixed with the side wall on the outside of the second baffle ring (632), second baffle ring
(632) it is offered on the outside of external screw thread (634), first body of rod (611) and second body of rod (612) are close to itself the first baffle ring
(631) one end offers the internal screw thread (633) matched with external screw thread (634).
8. hook type current transformer according to claim 6, it is characterised in that: described to be located at innermost second body of rod
(612) end is installed with pull ring (635).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920301110.XU CN209388866U (en) | 2019-03-09 | 2019-03-09 | Hook type current transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920301110.XU CN209388866U (en) | 2019-03-09 | 2019-03-09 | Hook type current transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209388866U true CN209388866U (en) | 2019-09-13 |
Family
ID=67854663
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920301110.XU Expired - Fee Related CN209388866U (en) | 2019-03-09 | 2019-03-09 | Hook type current transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209388866U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113030838A (en) * | 2021-03-25 | 2021-06-25 | 河南省计量科学研究院 | Electric energy meter calibrating installation of online area load examination |
-
2019
- 2019-03-09 CN CN201920301110.XU patent/CN209388866U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113030838A (en) * | 2021-03-25 | 2021-06-25 | 河南省计量科学研究院 | Electric energy meter calibrating installation of online area load examination |
| CN113030838B (en) * | 2021-03-25 | 2024-02-02 | 河南省计量科学研究院 | Electric energy meter calibrating device for on-line on-load calibration |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN209388866U (en) | Hook type current transformer | |
| CN204462233U (en) | Low-voltage load test specific purpose tool | |
| CN208570338U (en) | A kind of mutual inductor production coil winding device with wire arrangement function | |
| CN105467191A (en) | Clip-on ammeter | |
| CN205193137U (en) | Clip -on ammeter | |
| CN109755893A (en) | It is a kind of to divide the stranded repairing auxiliary device of high-voltage conducting wires and its application method more | |
| CN106655013B (en) | Telescopic rod and electric metering box inlet wire cable auxiliary installation device | |
| CN109524236A (en) | A kind of transformer coil coiling auxiliary device | |
| CN218384721U (en) | Locking structure for transformer | |
| CN208964250U (en) | A kind of winder being convenient for carrying | |
| CN208569017U (en) | A kind of Portable mutual inductor check bar | |
| CN114113736A (en) | Clamp-on ammeter capable of measuring small current | |
| CN207409385U (en) | A kind of electronics coil winding machine | |
| CN107226395B (en) | A kind of Portable alarming ground line quickly retracting device | |
| CN202562964U (en) | Clip-on ammeter | |
| CN218299576U (en) | Current transformer | |
| CN209929133U (en) | Tension winding device for transformer production | |
| CN209133307U (en) | A kind of safety-type mutual inductor | |
| CN208548258U (en) | A kind of coil automatic coiling device | |
| CN208862400U (en) | A kind of electric control cabinet | |
| CN114034909A (en) | Clamp-on ammeter convenient to use | |
| CN209601821U (en) | A kind of cable at disk machine | |
| CN208303512U (en) | A kind of iron brass welding wire production stretching device | |
| CN202562992U (en) | Clip on ammeter | |
| CN206602004U (en) | A kind of current transformer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190913 Termination date: 20200309 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |