CN204680628U - A kind of electrically with automatic control type contact reliable circuit breaker - Google Patents
A kind of electrically with automatic control type contact reliable circuit breaker Download PDFInfo
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- CN204680628U CN204680628U CN201520349519.0U CN201520349519U CN204680628U CN 204680628 U CN204680628 U CN 204680628U CN 201520349519 U CN201520349519 U CN 201520349519U CN 204680628 U CN204680628 U CN 204680628U
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- circuit breaker
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Abstract
The utility model relates to a kind of circuit breaker, particularly relates to a kind of electrically with automatic control type contact reliable circuit breaker.Technical solution problem is to provide a kind of electrically with automatic control type contact reliable circuit breaker.Provide a kind of so electrically with automatic control type contact reliable circuit breaker, include lower-left contact, upper contact head, bottom right contact, right guide rod, right spring, left spring, left guide rod, cylinder etc.; Lower-left contact and left spring are with left guide rod and are fixedly connected with, and left leader casing is in the inside of left spring, and the bottom of left spring and left socle is for being fixedly connected with, and the upper right side of lower-left contact is provided with upper contact head, and lower-left contact and upper contact head are movable connection; The lower right of upper contact head is provided with bottom right contact, and upper contact head and bottom right contact are movable connection, and be provided with right guide rod and right spring in the below of bottom right contact, right leader casing is in the inside of right spring.The electric automatic control type contact reliable circuit breaker provided, intelligent automaticization level is high, easy to use.
Description
Technical field
The utility model relates to a kind of circuit breaker, particularly relates to a kind of electrically with automatic control type contact reliable circuit breaker.
Background technology
Circuit breaker refers to the electric current that can close, carry and cut-off under normal loop condition, and can close the switching device being combined in carrying and the electric current under cut-offfing abnormal loop condition in official hour.
Circuit breaker can be used to distribute electric energy; infrequently start asynchronous motor; protection is carried out to power circuit and motor etc.; can automatic shutdown circuit when serious overload or short circuit and the fault such as under-voltage occur for they; its function is equivalent to Fuse switch and the combination of crossing underheat relay etc., and does not generally need to change parts after disjunction fault current.At present, obtain a wide range of applications.Circuit breaker is divided into primary cut-out by its scope of application, and low-voltage circuit breaker, and high-low pressure identification of boundaries is fuzzyyer, is called High-Voltage Electrical Appliances generally by more than 3kV.
Circuit breaker is generally made up of contact system, arc quenching system, operating mechanism, release, shell etc.When short circuit, the magnetic field that big current (general 10 to 12 times) produces overcomes reaction spring, release pull operation mechanism action, switch instantaneous tripping.When the load, ER effect is large, and caloric value is aggravated, bi-metal plate deformed pushing mechanism action to a certain extent (electric current is larger, and operate time is shorter).Have now electron type, use instrument transformer to gather each phase current size, compare with set point, when current anomaly, microprocessor sends signal, make the action of electronic trip unit band pneumatic operating mechanism.
Existing electric circuit breaker intelligent level is not high, and automatization level is low, and contact easily comes off, and it is unreliable to contact, and easily causes damage to power consumption equipment, causes adverse effect to the production of people and life.
Utility model content
(1) technical problem that will solve
The utility model is not high in order to overcome existing electric circuit breaker intelligent level, automatization level is low, contact easily comes off, and contacts insecure shortcoming, and the technical problems to be solved in the utility model is to provide a kind of electrically with automatic control type contact reliable circuit breaker.
(2) technical scheme
In order to solve the problems of the technologies described above, the utility model provides a kind of so electrically with automatic control type contact reliable circuit breaker, includes left socle, lower-left contact, upper contact head, bottom right contact, right support, right guide rod, right spring, connecting rod, left spring, left guide rod, cylinder, control system;
Lower-left contact, left spring, left guide rod is provided with on the right side of left socle; Lower-left contact is movable connection with the top of left socle, left socle is that insulating material is made, lower-left contact and left spring are with left guide rod and are fixedly connected with, left leader casing is in the inside of left spring, the bottom of left spring and left socle is for being fixedly connected with, left guide rod is movable connection with the bottom of left socle, and left guide rod is that insulating material is made, and the top of left socle is shorter than the bottom of left socle;
The upper right side of lower-left contact is provided with upper contact head, and lower-left contact and upper contact head are movable connection; The below of upper contact head is provided with connecting rod, and upper contact head is connected with connecting rod, and connecting rod is that insulating material is made; The below of connecting rod is provided with cylinder, and connecting rod and cylinders connect;
The right side of upper contact head is provided with right support, and right support is that insulating material is made, and the lower right of upper contact head is provided with bottom right contact, and upper contact head and bottom right contact are movable connection, and bottom right contact is movable connection with the top of right support; Right guide rod and right spring is provided with in the below of bottom right contact, right leader casing is in the inside of right spring, right guide rod is that insulating material is made, bottom right contact and right guide rod are with right spring and are fixedly connected with, right guide rod is movable connection with the bottom of right support, the bottom of right spring and right support is for being fixedly connected with, and the top of right support is shorter than the bottom of right support; Cylinder is connected with control system.
Preferably, described control system is PLC control system.
Preferably, described left socle and described right support are ceramic insulating material and make.
Preferably, described left guide rod and described right guide rod are plastic insulation material and make.
Preferably, described left spring and described right spring are stainless steel material and make.
Preferably, the cylinder diameter of described cylinder is 20mm to 50mm.
Preferably, the stroke of described cylinder is 200mm to 500mm.
Preferably, described lower-left contact, described upper contact head, described bottom right contact are silver alloy and make.
Operation principle: when needs are by when electrically separating with automatic control type contact reliable circuit breaker, operating personnel start control system, and control system control cylinder carries out action.Cylinder drives the connecting rod be attached thereto, and upper contact head upwards moves together.When cylinder drives upper contact head to move upward to desired location, control system again control cylinder stops action.
When upper contact head separates completely with lower-left contact and bottom right contact, the elastic force that the left spring compressed respectively below lower-left contact and bottom right contact and right spring produce is discharged.Lower-left contact drives by left spring and moves upward, and bottom right contact is driven by right spring and moves upward.When left spring elastic force release to the greatest extent time, lower-left contact just in time with the roof intersection of left socle; When right spring elastic force release to the greatest extent time, bottom right contact just in time with the roof intersection of right support.Left socle and right support are insulating material and make, and greatly improve fail safe.
When needs electrically will contact reliable breaker contacts with automatic control type, control system control cylinder will carry out action.Cylinder drives the connecting rod be attached thereto, and upper contact head moves downwards together.When upper contact head contacts with bottom right contact with lower-left contact simultaneously, together with lower-left contact can be driven by upper contact head with bottom right contact, move downward the distance of setting, then control system control cylinder stopping action again.
Now, upper contact head and lower-left contact and bottom right contact close contact simultaneously.Lower-left contact and bottom right contact are subject to the elastic force effect of left spring and the generation of right spring, greatly improve the contact reliability of upper contact head and lower-left contact and bottom right contact.
When described control system is PLC control system, can more intelligent automaticization cylinder be controlled.
When described left socle and described right support be ceramic insulating material make time, can be more safe and reliable operating personnel be played a protective role.
When described lower-left contact, described upper contact head, described bottom right contact be silver alloy make time, the high temperature resistant degree of described lower-left contact, described upper contact head, described bottom right contact can greatly be improved, realize the stable transfer of energy.
(3) beneficial effect
One provided by the utility model is electrically with automatic control type contact reliable circuit breaker, have control system, intelligent automaticization level is high, adopts the mode that lower-left contact and bottom right contact contact with upper contact head simultaneously, greatly improve the reliability of contact, have employed spring and cylinder simultaneously, greatly improve closeness of contact, contact is not easy to come off, be conducive to production and the life of people, structure is simple, easy to use, for ease of maintenaince safeguards.
Accompanying drawing explanation
Fig. 1 is front view structural representation of the present utility model.
Being labeled as in accompanying drawing: 1-left socle, 2-lower-left contact, 3-upper contact head, 4-bottom right contact, 5-right support, the right guide rod of 6-, the right spring of 7-, 8-connecting rod, 9-left spring, the left guide rod of 10-, 11-cylinder, 12-control system.
Embodiment
Below in conjunction with drawings and Examples, the utility model is further described.
embodiment 1
A kind of electrically with automatic control type contact reliable circuit breaker, as shown in Figure 1, left socle 1, lower-left contact 2, upper contact head 3, bottom right contact 4, right support 5, right guide rod 6, right spring 7, connecting rod 8, left spring 9, left guide rod 10, cylinder 11, control system 12 is included.
Lower-left contact 2, left spring 9, left guide rod 10 is provided with on the right side of left socle 1; Lower-left contact 2 is movable connection with the top of left socle 1, left socle 1 is made for insulating material, lower-left contact 2 and left spring 9 are with left guide rod 10 and are fixedly connected with, left guide rod 10 is enclosed within the inside of left spring 9, the bottom of left spring 9 and left socle 1 is for being fixedly connected with, left guide rod 10 is movable connection with the bottom of left socle 1, and left guide rod 10 is made for insulating material, and the top of left socle 1 is shorter than the bottom of left socle 1.
The upper right side of lower-left contact 2 is provided with upper contact head 3, and lower-left contact 2 is connected for movable with upper contact head 3; The below of upper contact head 3 is provided with connecting rod 8, and upper contact head 3 is connected with connecting rod 8, and connecting rod 8 is made for insulating material; The below of connecting rod 8 is provided with cylinder 11, and connecting rod 8 is connected with cylinder 11.
The right side of upper contact head 3 is provided with right support 5, and right support 5 is made for insulating material, and the lower right of upper contact head 3 is provided with bottom right contact 4, and upper contact head 3 is connected for movable with bottom right contact 4, and bottom right contact 4 is movable connection with the top of right support 5; The below of bottom right contact 4 is provided with right guide rod 6 and right spring 7, right guide rod 6 is enclosed within the inside of right spring 7, right guide rod 6 is made for insulating material, bottom right contact 4 and right guide rod 6 are with right spring 7 and are fixedly connected with, right guide rod 6 is movable connection with the bottom of right support 5, the bottom of right spring 7 and right support 5 is for being fixedly connected with, and the top of right support 5 is shorter than the bottom of right support 5; Cylinder 11 is connected with control system 12.
Operation principle: when needs are by when electrically separating with automatic control type contact reliable circuit breaker, operating personnel start control system 12, and control system 12 control cylinder 11 carries out action.Cylinder 11 drives the connecting rod 8 be attached thereto, and upper contact head 3 upwards moves together.When cylinder 11 drives upper contact head 3 to move upward to desired location, control system 12 again control cylinder 11 stops action.
When upper contact head 3 separates completely with lower-left contact 2 and bottom right contact 4, the elastic force that the left spring 9 compressed respectively below lower-left contact 2 and bottom right contact 4 and right spring 7 produce is discharged.Lower-left contact 2 drives by left spring 9 and moves upward, and bottom right contact 4 is driven by right spring 7 and moves upward.When left spring 9 elastic force release to the greatest extent time, lower-left contact 2 just in time with the roof intersection of left socle 1; When right spring 7 elastic force release to the greatest extent time, bottom right contact 4 just in time with the roof intersection of right support 5.Left socle 1 and right support 5 are insulating material and make, and greatly improve fail safe.
When needs electrically will contact reliable breaker contacts with automatic control type, control system 12 control cylinder 11 will carry out action.Cylinder 11 drives the connecting rod 8 be attached thereto, and upper contact head 3 moves downwards together.When upper contact head 3 contacts with bottom right contact 4 with lower-left contact 2 simultaneously, together with lower-left contact 2 and bottom right contact 4 can be driven by upper contact head 3, move downward the distance of setting, then control system 12 again control cylinder 11 stop action.
Now, upper contact head 3 and lower-left contact 2 and bottom right contact 4 close contact simultaneously.Lower-left contact 2 and bottom right contact 4 are subject to the elastic force effect of left spring 9 and right spring 7 generation, greatly improve the contact reliability of upper contact head 3 and lower-left contact 2 and bottom right contact 4.
embodiment 2
A kind of electrically with automatic control type contact reliable circuit breaker, as shown in Figure 1, left socle 1, lower-left contact 2, upper contact head 3, bottom right contact 4, right support 5, right guide rod 6, right spring 7, connecting rod 8, left spring 9, left guide rod 10, cylinder 11, control system 12 is included.
Lower-left contact 2, left spring 9, left guide rod 10 is provided with on the right side of left socle 1; Lower-left contact 2 is movable connection with the top of left socle 1, left socle 1 is made for insulating material, lower-left contact 2 and left spring 9 are with left guide rod 10 and are fixedly connected with, left guide rod 10 is enclosed within the inside of left spring 9, the bottom of left spring 9 and left socle 1 is for being fixedly connected with, left guide rod 10 is movable connection with the bottom of left socle 1, and left guide rod 10 is made for insulating material, and the top of left socle 1 is shorter than the bottom of left socle 1.
The upper right side of lower-left contact 2 is provided with upper contact head 3, and lower-left contact 2 is connected for movable with upper contact head 3; The below of upper contact head 3 is provided with connecting rod 8, and upper contact head 3 is connected with connecting rod 8, and connecting rod 8 is made for insulating material; The below of connecting rod 8 is provided with cylinder 11, and connecting rod 8 is connected with cylinder 11.
The right side of upper contact head 3 is provided with right support 5, and right support 5 is made for insulating material, and the lower right of upper contact head 3 is provided with bottom right contact 4, and upper contact head 3 is connected for movable with bottom right contact 4, and bottom right contact 4 is movable connection with the top of right support 5; The below of bottom right contact 4 is provided with right guide rod 6 and right spring 7, right guide rod 6 is enclosed within the inside of right spring 7, right guide rod 6 is made for insulating material, bottom right contact 4 and right guide rod 6 are with right spring 7 and are fixedly connected with, right guide rod 6 is movable connection with the bottom of right support 5, the bottom of right spring 7 and right support 5 is for being fixedly connected with, and the top of right support 5 is shorter than the bottom of right support 5; Cylinder 11 is connected with control system 12.Described control system 12 is PLC control system.
Operation principle: when needs are by when electrically separating with automatic control type contact reliable circuit breaker, operating personnel start control system 12, and control system 12 control cylinder 11 carries out action.Cylinder 11 drives the connecting rod 8 be attached thereto, and upper contact head 3 upwards moves together.When cylinder 11 drives upper contact head 3 to move upward to desired location, control system 12 again control cylinder 11 stops action.
When upper contact head 3 separates completely with lower-left contact 2 and bottom right contact 4, the elastic force that the left spring 9 compressed respectively below lower-left contact 2 and bottom right contact 4 and right spring 7 produce is discharged.Lower-left contact 2 drives by left spring 9 and moves upward, and bottom right contact 4 is driven by right spring 7 and moves upward.When left spring 9 elastic force release to the greatest extent time, lower-left contact 2 just in time with the roof intersection of left socle 1; When right spring 7 elastic force release to the greatest extent time, bottom right contact 4 just in time with the roof intersection of right support 5.Left socle 1 and right support 5 are insulating material and make, and greatly improve fail safe.
When needs electrically will contact reliable breaker contacts with automatic control type, control system 12 control cylinder 11 will carry out action.Cylinder 11 drives the connecting rod 8 be attached thereto, and upper contact head 3 moves downwards together.When upper contact head 3 contacts with bottom right contact 4 with lower-left contact 2 simultaneously, together with lower-left contact 2 and bottom right contact 4 can be driven by upper contact head 3, move downward the distance of setting, then control system 12 again control cylinder 11 stop action.
Now, upper contact head 3 and lower-left contact 2 and bottom right contact 4 close contact simultaneously.Lower-left contact 2 and bottom right contact 4 are subject to the elastic force effect of left spring 9 and right spring 7 generation, greatly improve the contact reliability of upper contact head 3 and lower-left contact 2 and bottom right contact 4.
When described control system 12 is PLC control system, can more intelligent automaticization cylinder 11 be controlled.
embodiment 3
A kind of electrically with automatic control type contact reliable circuit breaker, as shown in Figure 1, left socle 1, lower-left contact 2, upper contact head 3, bottom right contact 4, right support 5, right guide rod 6, right spring 7, connecting rod 8, left spring 9, left guide rod 10, cylinder 11, control system 12 is included.
Lower-left contact 2, left spring 9, left guide rod 10 is provided with on the right side of left socle 1; Lower-left contact 2 is movable connection with the top of left socle 1, left socle 1 is made for insulating material, lower-left contact 2 and left spring 9 are with left guide rod 10 and are fixedly connected with, left guide rod 10 is enclosed within the inside of left spring 9, the bottom of left spring 9 and left socle 1 is for being fixedly connected with, left guide rod 10 is movable connection with the bottom of left socle 1, and left guide rod 10 is made for insulating material, and the top of left socle 1 is shorter than the bottom of left socle 1.
The upper right side of lower-left contact 2 is provided with upper contact head 3, and lower-left contact 2 is connected for movable with upper contact head 3; The below of upper contact head 3 is provided with connecting rod 8, and upper contact head 3 is connected with connecting rod 8, and connecting rod 8 is made for insulating material; The below of connecting rod 8 is provided with cylinder 11, and connecting rod 8 is connected with cylinder 11.
The right side of upper contact head 3 is provided with right support 5, and right support 5 is made for insulating material, and the lower right of upper contact head 3 is provided with bottom right contact 4, and upper contact head 3 is connected for movable with bottom right contact 4, and bottom right contact 4 is movable connection with the top of right support 5; The below of bottom right contact 4 is provided with right guide rod 6 and right spring 7, right guide rod 6 is enclosed within the inside of right spring 7, right guide rod 6 is made for insulating material, bottom right contact 4 and right guide rod 6 are with right spring 7 and are fixedly connected with, right guide rod 6 is movable connection with the bottom of right support 5, the bottom of right spring 7 and right support 5 is for being fixedly connected with, and the top of right support 5 is shorter than the bottom of right support 5; Cylinder 11 is connected with control system 12.Described lower-left contact 2, described upper contact head 3, described bottom right contact 4 are silver alloy and make.
Operation principle: when needs are by when electrically separating with automatic control type contact reliable circuit breaker, operating personnel start control system 12, and control system 12 control cylinder 11 carries out action.Cylinder 11 drives the connecting rod 8 be attached thereto, and upper contact head 3 upwards moves together.When cylinder 11 drives upper contact head 3 to move upward to desired location, control system 12 again control cylinder 11 stops action.
When upper contact head 3 separates completely with lower-left contact 2 and bottom right contact 4, the elastic force that the left spring 9 compressed respectively below lower-left contact 2 and bottom right contact 4 and right spring 7 produce is discharged.Lower-left contact 2 drives by left spring 9 and moves upward, and bottom right contact 4 is driven by right spring 7 and moves upward.When left spring 9 elastic force release to the greatest extent time, lower-left contact 2 just in time with the roof intersection of left socle 1; When right spring 7 elastic force release to the greatest extent time, bottom right contact 4 just in time with the roof intersection of right support 5.Left socle 1 and right support 5 are insulating material and make, and greatly improve fail safe.
When needs electrically will contact reliable breaker contacts with automatic control type, control system 12 control cylinder 11 will carry out action.Cylinder 11 drives the connecting rod 8 be attached thereto, and upper contact head 3 moves downwards together.When upper contact head 3 contacts with bottom right contact 4 with lower-left contact 2 simultaneously, together with lower-left contact 2 and bottom right contact 4 can be driven by upper contact head 3, move downward the distance of setting, then control system 12 again control cylinder 11 stop action.
Now, upper contact head 3 and lower-left contact 2 and bottom right contact 4 close contact simultaneously.Lower-left contact 2 and bottom right contact 4 are subject to the elastic force effect of left spring 9 and right spring 7 generation, greatly improve the contact reliability of upper contact head 3 and lower-left contact 2 and bottom right contact 4.
When described lower-left contact 2, described upper contact head 3, described bottom right contact 4 be silver alloy make time, the high temperature resistant degree of described lower-left contact 2, described upper contact head 3, described bottom right contact 4 can greatly be improved, realize the stable transfer of energy.
The above embodiment only have expressed preferred implementation of the present utility model, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the utility model the scope of the claims.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion, improvement and substitute, these all belong to protection range of the present utility model.Therefore, the protection range of the utility model patent should be as the criterion with claims.
Claims (8)
1. one kind electrically contacts reliable circuit breaker with automatic control type, it is characterized in that, include left socle (1), lower-left contact (2), upper contact head (3), bottom right contact (4), right support (5), right guide rod (6), right spring (7), connecting rod (8), left spring (9), left guide rod (10), cylinder (11), control system (12);
Lower-left contact (2), left spring (9), left guide rod (10) is provided with on the right side of left socle (1); Lower-left contact (2) is movable connection with the top of left socle (1), left socle (1) is made for insulating material, lower-left contact (2) and left spring (9) are with left guide rod (10) and are fixedly connected with, left guide rod (10) is enclosed within the inside of left spring (9), the bottom of left spring (9) and left socle (1) is for being fixedly connected with, left guide rod (10) is movable connection with the bottom of left socle (1), left guide rod (10) is made for insulating material, and the top of left socle (1) is shorter than the bottom of left socle (1);
The upper right side of lower-left contact (2) is provided with upper contact head (3), and lower-left contact (2) is connected for movable with upper contact head (3); The below of upper contact head (3) is provided with connecting rod (8), and upper contact head (3) is connected with connecting rod (8), and connecting rod (8) is made for insulating material; The below of connecting rod (8) is provided with cylinder (11), and connecting rod (8) is connected with cylinder (11);
The right side of upper contact head (3) is provided with right support (5), right support (5) is made for insulating material, the lower right of upper contact head (3) is provided with bottom right contact (4), upper contact head (3) is connected for movable with bottom right contact (4), and bottom right contact (4) is movable connection with the top of right support (5); Right guide rod (6) and right spring (7) is provided with in the below of bottom right contact (4), right guide rod (6) is enclosed within the inside of right spring (7), right guide rod (6) is made for insulating material, bottom right contact (4) and right guide rod (6) are with right spring (7) and are fixedly connected with, right guide rod (6) is movable connection with the bottom of right support (5), the bottom of right spring (7) and right support (5) is for being fixedly connected with, and the top of right support (5) is shorter than the bottom of right support (5); Cylinder (11) is connected with control system (12).
2. one according to claim 1 is electrically with automatic control type contact reliable circuit breaker, and it is characterized in that, described control system (12) is PLC control system.
3. one according to claim 1 is electrically with automatic control type contact reliable circuit breaker, and it is characterized in that, described left socle (1) and described right support (5) are ceramic insulating material and make.
4. one according to claim 1 is electrically with automatic control type contact reliable circuit breaker, and it is characterized in that, described left guide rod (10) and described right guide rod (6) are plastic insulation material and make.
5. one according to claim 1 is electrically with automatic control type contact reliable circuit breaker, and it is characterized in that, described left spring (9) and described right spring (7) are stainless steel material and make.
6. one according to claim 1 is electrically with automatic control type contact reliable circuit breaker, and it is characterized in that, the cylinder diameter of described cylinder (11) is 20mm to 50mm.
7. one according to claim 1 is electrically with automatic control type contact reliable circuit breaker, and it is characterized in that, the stroke of described cylinder (11) is 200mm to 500mm.
8. one according to claim 1 is electrically with automatic control type contact reliable circuit breaker, and it is characterized in that, described lower-left contact (2), described upper contact head (3), described bottom right contact (4) are silver alloy and make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520349519.0U CN204680628U (en) | 2015-05-27 | 2015-05-27 | A kind of electrically with automatic control type contact reliable circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520349519.0U CN204680628U (en) | 2015-05-27 | 2015-05-27 | A kind of electrically with automatic control type contact reliable circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204680628U true CN204680628U (en) | 2015-09-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520349519.0U Expired - Fee Related CN204680628U (en) | 2015-05-27 | 2015-05-27 | A kind of electrically with automatic control type contact reliable circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204680628U (en) |
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2015
- 2015-05-27 CN CN201520349519.0U patent/CN204680628U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20150930 Termination date: 20160527 |