CN205140896U - Connection structure and circuit breaker of circuit breaker electrode - Google Patents
Connection structure and circuit breaker of circuit breaker electrode Download PDFInfo
- Publication number
- CN205140896U CN205140896U CN201520891016.6U CN201520891016U CN205140896U CN 205140896 U CN205140896 U CN 205140896U CN 201520891016 U CN201520891016 U CN 201520891016U CN 205140896 U CN205140896 U CN 205140896U
- Authority
- CN
- China
- Prior art keywords
- spring
- circuit breaker
- resilient members
- electrode
- metal resilient
- 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.)
- Active
Links
Landscapes
- Breakers (AREA)
Abstract
The utility model discloses a connection structure and circuit breaker of circuit breaker electrode. The connection structure of circuit breaker electrode is including electrically conductive connecting rod, electrically conductive connecting rod both ends are equipped with first metal elastic component and second metal elastic component respectively. The utility model discloses two of connection structure all is the elastomeric element (first metal elastic component and second metal elastic component promptly) of metal material, and through electrically conductive connecting rod fixed connection between two elastomeric element, elastomeric element has elastic stress, and the electricity that can follow L electrode and N electrode to remain stable is connected, consequently, adopts the utility model discloses a connection structure need not not adopt the flexible circuit conductor, can cancel spot welding, soldering operation completely, and simple structure, operation facility and connection are reliable.
Description
Technical field
The utility model relates to distribution and industrial control field, in particular, relates to a kind of syndeton and circuit breaker of breaker electrode.
Background technology
Circuit breaker is usually used in the places such as industry, business, high level and residential houses, for power supply disjunction and the protection of power consumption equipment.In circuit breaker, L pole connects phase line pole; N pole connects neutral line electrode (neutral pole); L pole circuit breaker has overload, short-circuit protection function; moving contact, fixed contact, snap close, tripping, shunt release and control circuit board is comprised in the circuit breaker of N pole; the break-make of N pole breaker control zero line, the snap close in the circuit breaker of L pole is linked by the snap close in connecting axle and N pole circuit breaker.Shunt release coil is electrically connected with control circuit board, control circuit board electrical connection Long-distance Control voltage signal, phase line and zero line; Control circuit board is provided with time delay open circuit, controls shunt release coil connect rear time delay disconnection and reset by remote control signal.Existing remote-control miniature circuit breaker L pole circuit breaker is connected with N pole circuit breaker electric and adopts wire to connect more, there is complicated operation, connects unreliable, easily cause L pole circuit breaker and N pole circuit breaker electric Joint failure.
Summary of the invention
Technical problem to be solved in the utility model is to provide syndeton and the circuit breaker that a kind of structure is simple, operation is convenient, connect reliable breaker electrode.
The purpose of this utility model is achieved through the following technical solutions:
A syndeton for breaker electrode, comprises conductive link 210, and described conductive link 210 two ends are respectively equipped with the first metal resilient members and the second metal resilient members.
Preferably, described first metal resilient members comprises the first spring 220, and described first spring 220 one end is fixedly connected with the boom end that is electrically connected is vertical.
Preferably, described second metal resilient members comprises the second spring 230, and described second spring 230 one end is fixedly connected with the boom end that is electrically connected is vertical.
Preferably, described first metal resilient members comprises the first spring 220, and described first spring 220 one end is fixedly connected with the boom end that is electrically connected is vertical; Described second metal resilient members comprises the second spring 230, and described second spring 230 one end is fixedly connected with the boom end that is electrically connected is vertical; First spring 220 is identical with the second spring 230 structure is stage clip, and the axis of described first spring 220 and the second spring 230 is parallel to each other; It is shaping that first spring 220, second spring 230 and the bar that is electrically connected adopt same plain conductor to make.
The utility model additionally provides a kind of circuit breaker, and the housing 100 comprised between syndeton 200, the L pole circuit breaker of L pole circuit breaker, N pole circuit breaker and described embodiment and N pole circuit breaker is provided with through hole 110, and described syndeton 200 runs through described through hole 110; First metal resilient members of described syndeton 200 is connected with L electrode 310 flexible fastening in the circuit breaker of L pole, forms normally closed structure; Accordingly, the N electrode 320 in the second metal resilient members and N pole circuit breaker is contacting and separating with the divide-shut brake action of circuit breaker, and N electrode 320 is electrically connected with the control circuit board 322 in the circuit breaker of N pole.
Preferably, described N pole circuit breaker also comprises operating grip 510, kinematic link 520 and contact support 530; 530 pivot joints are supported with operating grip 510 and contact respectively in described kinematic link 520 two ends; Described N electrode 320 is that conducting strip 321, second metal resilient members be electrically connected with control circuit board 322 runs through described through hole 110 and is arranged on conducting strip 321 and contact is supported between 530; Leave spacing between second metal resilient members and conducting strip 321, described spacing is less than the elastically-deformable scope of the second metal resilient members, and during breaker closing, the swing of contact support 530 presses the second metal resilient members and is connected with conducting strip 321.
Preferably, the handle spring that described N pole circuit breaker also comprises operating grip 510, kinematic link 520, contact support 530 and resets for handle, 530 pivot joints are supported with operating grip 510 and contact respectively in described kinematic link 520 two ends, the stiff end of handle spring is fixed in the circuit breaker of N pole, and the tache motorice of the other end is arranged on circuit breaker handle and swings with the divide-shut brake action of circuit breaker handle; L electrode 310 is handle spring, the stiff end of handle spring is electrically connected with control circuit board 322, second metal resilient members runs through the closing position place that described through hole 110 is arranged on the tache motorice of handle spring, and the tache motorice of handle spring to be separated with the second metal resilient members with the divide-shut brake action of circuit breaker handle and to contact.
Preferably, the first described metal resilient members comprises the first spring 220, and described first spring 220 one end is fixedly connected with the boom end that is electrically connected is vertical; Described L electrode 310 is that leading-out terminal support 311, first spring 220 of L pole circuit breaker is compressed between housing 100 and leading-out terminal support 311.
Preferably, the pressure ring 531 of rectangle is provided with bottom described contact support 530, described second metal resilient members comprises the second spring 230, described conducting strip 321 l-shaped, in the L-type draw-in groove being fixed on N pole circuit breaker and the position be arranged on away from dynamic/static contact below handle; During breaker closing, contact support 530 presses the second spring 230 by pressure ring 531 and is connected with conducting strip 321.
Preferably, described housing 100 is provided with groove 400 towards the one side of L electrode 310; Described conductive link 210 embeds and is fixed in groove 400; One end that described groove 400 closes on the first metal resilient members is provided with the first boss 410 and the second boss 420, first boss 410 and the second boss 420 points and is listed in groove 400 both sides; One end that described groove 400 closes on described through hole 110 is provided with the 3rd boss 430; Middle part is provided with the 4th boss 440; Described 3rd boss 430 and the 4th boss 440 points are listed in groove 400 both sides, are provided with extension 450 respectively to groove 400 direction.
After deliberation, existing circuit breaker connects L pole circuit breaker with wire and N pole circuit breaker needs carry out spot welding, soldering operation at L electrode and N electrode, and flexible conductor need through L electrode and N electrode shell in process of production, not easy to operate, and easily causing conductor cord disconnection, electrical connection was lost efficacy.Two of the utility model syndeton is all the elastomeric element (i.e. the first metal resilient members and the second metal resilient members) of metal material, be fixedly connected with by conductive link between two elastomeric elements, elastomeric element has elastic stress, stable electrical connection can be kept with L electrode and N electrode, therefore, adopt syndeton of the present utility model to adopt flexible conductor, can cancel spot welding, soldering operation completely, structure is simple, operation is convenient and connection is reliable.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model embodiment syndeton;
Fig. 2 is the syndeton of the utility model embodiment circuit breaker and the fit structure schematic diagram of L Electrode connection;
Fig. 3 is the close-up schematic view of part A in Fig. 2;
Fig. 4 is the utility model embodiment circuit breaker fit structure schematic diagram of being connected with N electrode of syndeton in the off state;
Fig. 5 is the utility model embodiment circuit breaker fit structure schematic diagram of being connected with N electrode of syndeton in closed state.
Wherein: 100, housing; 110, through hole; 200, syndeton; 210, conductive link; 220, the first spring; 230, the second spring; 310, L electrode; 311, leading-out terminal support; 320, N electrode; 321, conducting strip; 322, control circuit board; 400, groove; 410, the first boss; 420, the second boss; 430, the 3rd boss; 440, the 4th boss; 450, extension; 510, operating grip; 520, kinematic link; 530, contact support; 531, pressure ring.
Embodiment
Below in conjunction with accompanying drawing and preferred embodiment, the utility model is described in further detail.
As shown in Figure 1, present embodiment discloses a kind of syndeton 200 of breaker electrode.This syndeton 200 comprises conductive link 210, and described conductive link 210 two ends are respectively equipped with the first metal resilient members and the second metal resilient members.
Concrete, the first metal resilient members of present embodiment comprises the first spring 220, and described first spring 220 one end is fixedly connected with the boom end that is electrically connected is vertical; Described second metal resilient members comprises the second spring 230, and described second spring 230 one end is fixedly connected with the boom end that is electrically connected is vertical; First spring 220 is identical with the second spring 230 structure is stage clip, and the axis of described first spring 220 and the second spring 230 is parallel to each other; It is shaping that first spring 220, second spring 230 and the bar that is electrically connected adopt same plain conductor to make.
After deliberation, existing circuit breaker connects L pole circuit breaker with wire and N pole circuit breaker needs carry out spot welding, soldering operation at L electrode and N electrode, and flexible conductor need through L electrode and N electrode shell in process of production, not easy to operate, and easily causing conductor cord disconnection, electrical connection was lost efficacy.Two of the syndeton 200 of present embodiment is all the elastomeric element (i.e. the first metal resilient members and the second metal resilient members) of metal material, be fixedly connected with by conductive link 210 between two elastomeric elements, elastomeric element has elastic stress, stable electrical connection can be kept with the L electrode 310 of L pole circuit breaker and the N electrode 320 of N pole circuit breaker, therefore, syndeton 200 of the present utility model is adopted to adopt flexible conductor, can cancel spot welding, soldering operation completely, structure is simple, operation is convenient and connection is reliable.
As shown in Figure 2-5.Present embodiment also discloses a kind of circuit breaker.This circuit breaker comprises operating grip 510, kinematic link 520, housing 100, syndeton 200 and contact and supports 530; 530 pivot joints are supported with operating grip 510 and contact respectively in described kinematic link 520 two ends.The pressure ring 531 of rectangle is provided with bottom contact support 530.
Housing 100 between L pole circuit breaker and N pole circuit breaker is provided with through hole 110; Described syndeton 200 runs through described through hole 110; Described syndeton 200 comprises conductive link 210, and described conductive link 210 two ends are respectively equipped with the first metal resilient members and the second metal resilient members; First metal resilient members of syndeton 200 one end is connected with L electrode 310 flexible fastening of L pole circuit breaker, second metal resilient members of the other end is connected with the N electrode 320 in the circuit breaker of N pole through through hole 110, N electrode 320 is connected with the control circuit board in the circuit breaker of N pole, the circuit loop of formation control wiring board; First metal resilient members and L electrode 310 simultaneously, or the connection of the second metal resilient members and N electrode 320, have at least one be can with circuit breaker divide-shut brake action be separated and contact, can realizing circuit loop disjunction and connection synchronous with the divide-shut brake action of circuit breaker.Wherein, L electrode 310 is the conducting element in the circuit breaker of L pole, and N electrode 320 is the conducting element in the circuit breaker of N pole, such as, can be the terminal block of line.Simultaneously in syndeton 200 and L electrode 310 and N electrode 320.
Concrete, described first metal resilient members comprises the first spring 220, and described first spring 220 one end is fixedly connected with the boom end that is electrically connected is vertical; Described second metal resilient members comprises the second spring 230, and described second spring 230 one end is fixedly connected with the boom end that is electrically connected is vertical; The axis of described first spring 220 and the second spring 230 is parallel to each other; It is shaping that first spring 220, second spring 230 and the bar that is electrically connected adopt same plain conductor to make.Described L electrode 310 is the leading-out terminal support 311 of L pole circuit breaker, described first spring 220 is pressed on the leading-out terminal support 311 of L pole circuit breaker, realizes electrical connection, forms normally closed structure, first spring 220 is compressed between housing 100 and leading-out terminal support 311, without the need to Welding Structure.Accordingly, described N electrode 320 is the conducting strip 321 in the circuit breaker of N pole, conducting strip 321 is connected with control circuit board 322 by lead-in wire, and described second spring 230 runs through described through hole 110, second spring 230 and is arranged between the pressure ring 531 of conducting strip 321 and contact support 530.Leave spacing between second spring 230 and conducting strip 321, its spacing is less than the elastically-deformable scope of the second metal resilient members.When the operating grip 510 of user's control N pole circuit breaker moves, when driving breaker closing, pressure ring 531 moves downward with contact support 530, presses the second spring 230 and is connected with metallic conduction sheet 321, the connection in realizing circuit loop.The structure of the present embodiment first spring 220, second spring 230 is identical, easy for installation, namely can normally closed structure side elasticity connect, also may be used for often opening side as moving contact, coordinate with the conducting strip 321 as fixed contact, the closing motion with circuit breaker forms the overtravel of contact.Preferably, described conducting strip 321 is arranged on the position away from dynamic/static contact below handle, avoids electric arc to the infringement of conducting strip 321 and syndeton 200.
The present embodiment syndeton 200 one end achieves disjunction and the connection of circuit loop by the drive of contact support 530, the handle spring of N pole circuit breaker handle can be utilized in addition to coordinate with the second spring 230, the torsion spring of handle spring is used for the reset of N pole circuit breaker handle, the stiff end of handle spring is fixed in the Shell of circuit breaker of N pole, and the tache motorice of the other end is arranged on circuit breaker handle and swings with the divide-shut brake action of circuit breaker handle; Second spring 230 of syndeton 200 is arranged on the closing position place of the tache motorice of handle spring, the stiff end of handle spring is electrically connected by wire with control circuit board 322, the tache motorice of handle spring is separated and the disjunction and the connection that contact realizing circuit loop with the second spring 230 with the divide-shut brake action of circuit breaker handle, N electrode 320 is handle spring, and handle spring plays the effect of reseting handle and conduction simultaneously.
As shown in Figure 3, groove 400 is provided with at housing 100 towards the one side of L electrode 310; Described conductive link 210 embeds and is fixed in groove 400; One end that described groove 400 closes on the first spring 220 is provided with the first boss 410 and the second boss 420, first boss 410 and the second boss 420 points and is listed in groove 400 both sides; One end that described groove 400 closes on described through hole 110 is provided with the 3rd boss 430; Middle part is provided with the 4th boss 440; Described 3rd boss 430 and the 4th boss 440 points are listed in groove 400 both sides, are provided with extension 450 respectively to groove 400 direction.First boss 410 and the second boss 420 are at groove 400 end, opposed in opposite directions, namely with groove 400 for axis for axis symmetry.Its objective is to block the first spring 220, avoiding the first spring 220 to slide along groove 400 direction.Such first spring 220, laterally across the first boss 410 and the second boss 420 screens, is longitudinally compressed by the leading-out terminal support 311 of L electrode 310, does not need additionally to carry out being welded and fixed also can maintain rock-steady structure.3rd boss 430 and the 4th boss 440 shift to install, and all extend toward groove 400 direction, form extension 450.This dislocation mode can ensure that conductive link 210 in use can not vertically jump out groove 400, can guarantee again can fill in groove 400 in installation process at conductive link 210.
Two of the syndeton 200 of the circuit breaker of present embodiment is all the elastomeric element (i.e. the first metal resilient members and the second metal resilient members) of metal material, be fixedly connected with by conductive link 210 between two elastomeric elements, elastomeric element has elastic stress, stable electrical connection can be kept with L electrode 310 and N electrode 320, therefore, syndeton 200 of the present utility model is adopted to adopt flexible conductor, can cancel spot welding, soldering operation completely, structure is simple, operation is convenient and connection is reliable.
Above content is in conjunction with concrete preferred implementation further detailed description of the utility model, can not assert that concrete enforcement of the present utility model is confined to these explanations.For the utility model person of an ordinary skill in the technical field, without departing from the concept of the premise utility, some simple deduction or replace can also be made, all should be considered as belonging to protection range of the present utility model.
Claims (10)
1. a syndeton for breaker electrode, is characterized in that, comprises conductive link (210), and described conductive link (210) two ends are respectively equipped with the first metal resilient members and the second metal resilient members.
2. the syndeton (200) of a kind of breaker electrode according to claim 1, it is characterized in that, described first metal resilient members comprises the first spring (220), and described first spring (220) one end is fixedly connected with the boom end that is electrically connected is vertical.
3. the syndeton (200) of a kind of breaker electrode according to claim 1 and 2, it is characterized in that, described second metal resilient members comprises the second spring (230), and described second spring (230) one end is fixedly connected with the boom end that is electrically connected is vertical.
4. the syndeton (200) of a kind of breaker electrode according to claim 1, it is characterized in that, described first metal resilient members comprises the first spring (220), and described first spring (220) one end is fixedly connected with the boom end that is electrically connected is vertical; Described second metal resilient members comprises the second spring (230), and described second spring (230) one end is fixedly connected with the boom end that is electrically connected is vertical; First spring (220) is identical with the second spring (230) structure is stage clip, and the axis of described first spring (220) and the second spring (230) is parallel to each other; It is shaping that first spring (220), the second spring (230) and the bar that is electrically connected adopt same plain conductor to make.
5. a circuit breaker, it is characterized in that, comprise L pole circuit breaker, N pole circuit breaker and as arbitrary in claim 1-4 as described in syndeton (200), housing (100) between L pole circuit breaker and N pole circuit breaker is provided with through hole (110), and described syndeton (200) runs through described through hole (110); First metal resilient members of described syndeton (200) is connected with L electrode (310) flexible fastening in the circuit breaker of L pole, forms normally closed structure; Accordingly, the N electrode (320) in the second metal resilient members and N pole circuit breaker is contacting and separating with the divide-shut brake action of circuit breaker, and N electrode (320) is electrically connected with the control circuit board (322) in the circuit breaker of N pole.
6. a kind of circuit breaker according to claim 5, is characterized in that, described N pole circuit breaker also comprises operating grip (510), kinematic link (520) and contact support (530); Described kinematic link (520) two ends respectively with operating grip (510) and contact support (530) pivot joint; Described N electrode (320) is the conducting strip (321) be electrically connected with control circuit board (322), and the second metal resilient members runs through described through hole (110) and is arranged between conducting strip (321) and contact support (530); Spacing is left between second metal resilient members and conducting strip (321), described spacing is less than the elastically-deformable scope of the second metal resilient members, and during breaker closing, contact supports that the swing of (530) presses the second metal resilient members and is connected with conducting strip (321).
7. a kind of circuit breaker according to claim 5, it is characterized in that, the handle spring that described N pole circuit breaker also comprises operating grip (510), kinematic link (520), contact support (530) and resets for handle, described kinematic link (520) two ends respectively with operating grip (510) and contact support (530) pivot joint, the stiff end of handle spring is fixed in the circuit breaker of N pole, and the tache motorice of the other end is arranged on circuit breaker handle and swings with the divide-shut brake action of circuit breaker handle; L electrode (310) is handle spring, the stiff end of handle spring is electrically connected with control circuit board (322), second metal resilient members runs through the closing position place that described through hole (110) is arranged on the tache motorice of handle spring, and the tache motorice of handle spring to be separated with the second metal resilient members with the divide-shut brake action of circuit breaker handle and to contact.
8. a kind of circuit breaker according to claim 5 or 6 or 7, is characterized in that, the first described metal resilient members comprises the first spring (220), and described first spring (220) one end is fixedly connected with the boom end that is electrically connected is vertical; The leading-out terminal support (311) that described L electrode (310) is L pole circuit breaker, the first spring (220) is compressed between housing (100) and leading-out terminal support (311).
9. a kind of circuit breaker according to claim 6, it is characterized in that, described contact support (530) bottom is provided with the pressure ring (531) of rectangle, described second metal resilient members comprises the second spring (230), described conducting strip (321) l-shaped, in the L-type draw-in groove being fixed on N pole circuit breaker and the position be arranged on away from dynamic/static contact below handle; During breaker closing, contact supports that (530) press the second spring (230) by pressure ring (531) and are connected with conducting strip (321).
10. a kind of circuit breaker according to claim 5, is characterized in that, described housing (100) is provided with groove (400) towards the one side of L electrode (310); Described conductive link (210) embeds and is fixed in groove (400); One end that described groove (400) closes on the first metal resilient members is provided with the first boss (410) and the second boss (420), and the first boss (410) and the second boss (420) point are listed in groove (400) both sides; One end that described groove (400) closes on described through hole (110) is provided with the 3rd boss (430); Middle part is provided with the 4th boss (440); Described 3rd boss (430) and the 4th boss (440) point are listed in groove (400) both sides, are provided with extension (450) respectively to groove (400) direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520891016.6U CN205140896U (en) | 2015-11-10 | 2015-11-10 | Connection structure and circuit breaker of circuit breaker electrode |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520891016.6U CN205140896U (en) | 2015-11-10 | 2015-11-10 | Connection structure and circuit breaker of circuit breaker electrode |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205140896U true CN205140896U (en) | 2016-04-06 |
Family
ID=55626661
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520891016.6U Active CN205140896U (en) | 2015-11-10 | 2015-11-10 | Connection structure and circuit breaker of circuit breaker electrode |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205140896U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107305216A (en) * | 2016-04-25 | 2017-10-31 | 浙江正泰电器股份有限公司 | The electrode assembly and test device of circuit breaker tested for circuit breaker |
-
2015
- 2015-11-10 CN CN201520891016.6U patent/CN205140896U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107305216A (en) * | 2016-04-25 | 2017-10-31 | 浙江正泰电器股份有限公司 | The electrode assembly and test device of circuit breaker tested for circuit breaker |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103326250B (en) | Integrated ring main unit electric controller | |
| CN205140896U (en) | Connection structure and circuit breaker of circuit breaker electrode | |
| CN105428155A (en) | Novel self-turn-off switch | |
| CN205319093U (en) | Novel switch of autotomying | |
| CN102522267B (en) | Low pressure contactor sliding contact structure employing contact pressure automatic adjustment | |
| CN203026386U (en) | Safe high-voltage current direction converter | |
| CN100557749C (en) | Earthing failure circuit breaker operation device with backing protection function | |
| CN102610456B (en) | Thermomagnetic circuit breaker and controller switching equipment | |
| CN204516654U (en) | A kind of novel disconnecting link type twin-power switch | |
| CN210110693U (en) | Drop out fuse tube moving contact end conductive cap device | |
| CN207690664U (en) | A kind of switching device and its auxiliary contact structure | |
| CN207676844U (en) | A kind of toggle switch | |
| CN207302962U (en) | A kind of anti-clutter circuit protection Minitype vacuum circuit-breaker | |
| CN201498441U (en) | Contactor contact automatic arc-extinguishing device | |
| CN205177748U (en) | Remote -control miniature circuit breaker | |
| CN206921744U (en) | A kind of driving low pressure miniature circuit breaker component | |
| CN201365036Y (en) | Circuit protection plug contact suppressing structure | |
| CN201788917U (en) | Contact device for N pole incapable of extinguishing arc | |
| CN210805538U (en) | Internet miniature circuit breaker | |
| CN205140908U (en) | Circuit breaker and remote control miniature circuit breaker | |
| CN205177755U (en) | Arc control device on circuit breaker | |
| CN210778409U (en) | Double-way control type relay | |
| CN104124102A (en) | Novel alternating-current high-voltage vacuum circuit breaker for electrified railway | |
| CN204375642U (en) | A kind of Novel vacuum interrupter | |
| CN202259112U (en) | Leakage-protecting switch |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |