CN205067695U - Conventional circuit -breaker composite characteristic check out test set - Google Patents
Conventional circuit -breaker composite characteristic check out test set Download PDFInfo
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- CN205067695U CN205067695U CN201520872680.6U CN201520872680U CN205067695U CN 205067695 U CN205067695 U CN 205067695U CN 201520872680 U CN201520872680 U CN 201520872680U CN 205067695 U CN205067695 U CN 205067695U
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- omnipotent breaker
- overall characteristic
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Abstract
Conventional circuit -breaker composite characteristic check out test set belongs to conventional circuit -breaker performance test equipment technology field. The utility model provides a convenient to use, the high conventional circuit -breaker composite characteristic automatic testing of efficiency of software testing switching -over accredited testing organization. The utility model discloses a conventional circuit -breaker composite characteristic automatic testing platform and ejector pin type secondary terminal anchor clamps, its characterized in that: ejector pin type secondary terminal anchor clamps include the frame, and the one end of frame is the fixing base, and the fixing base both ends set up a guider, set up the installation between two the 1st guider and press from both sides, set up test probes on the installation is pressed from both sides, the both ends that the installation was pressed from both sides set up an air spring respectively, the same movable splint of the other end of air spring link to each other, the thrust of air spring makes installation clamp and activity splint keep opening, the activity splint link to each other with the frame through the 2nd guider, being provided with through interconnecting link on the ejector pin type secondary terminal anchor clamps and connecting female head, conventional circuit -breaker composite characteristic automatic testing bench is provided with and is connected the public head of female first complex connection.
Description
Technical field
The utility model belongs to omnipotent breaker performance detection apparatus technical field, is specifically related to a kind of omnipotent breaker overall characteristic checkout equipment.
Background technology
Before omnipotent breaker dispatches from the factory, a series of Performance Detection must be done on a production line, as: the transition detection, accessory characteristics detection, the detection of long delay Characteristics Detection, short time delay Characteristics Detection, temporal properties, earth fault Characteristics Detection etc. of repeatedly divide-shut brake motion detection, auxiliary contact under different voltage.After each test item all passes through, can put goods on the market.At present, the on-line checkingi of omnipotent breaker mostly relies on manual wiring, coordinates simple test fixture to complete manual detection.Because test item is various, the factors such as simultaneously product itself is heavier, manual operation get up complex steps, waste time and energy, and inevitably occur undetected, misjudge.Often kind of isolating switch has two types, be divided into three grades of products and level Four product, former manual detection is all carry out single-stage test with one group of (two copper billet compositions) fixture, unclamps after testing upper and lower two busbars of one-level, removing clamping second level busbar, single-stage item-dividing test by that analogy.If want that measuring level also needs to rely on auxiliary copper wrench work to be connected with the performance between level, not only labour intensity is large, and complex steps, also exists larger potential safety hazard.
When dispatching from the factory test to the contact of omnipotent breaker, usually adopt artificial mode of taking screwdriver wiring, mechanical type operation, labour intensity is large, and speed is slow, and efficiency is low.In test process, because isolating switch kind model specification is many and test event complicated, correct rate variance, efficiency is extremely low.There is potential safety hazard in manual wiring.
Summary of the invention
The utility model is exactly for the problems referred to above, and provide a kind of easy to use, the omnipotent breaker overall characteristic that testing efficiency is high tests commutation mechanism for testing automatically.
In order to realize above-mentioned purpose of the present utility model, the utility model adopts following technical scheme, the utility model comprises omnipotent breaker overall characteristic automatic testing stand and thimble-type secondary terminals fixture, it is characterized in that: described omnipotent breaker overall characteristic automatic testing stand comprises frame, frame is provided with and powers up testing agency and current switching mechanism, the described testing agency that powers up comprises erecting frame and lower erecting frame, and described upper erecting frame is provided with at least eight top electrodes; Upper erecting frame two ends are provided with clamping cylinder, and the piston rod of upper clamping cylinder is connected with upper clamping plate; Upper clamping plate is provided with the upper clamping electrode corresponding with top electrode; Described lower erecting frame is provided with bottom electrode; Lower erecting frame two ends are provided with lower clamping cylinder, and the piston rod of lower clamping cylinder is connected with lower clamping plate; Lower clamping plate is provided with the lower clamping electrode corresponding with bottom electrode, parallel with one another between multiple bottom electrode or lower clamping electrode; Described current switching mechanism comprises current switching erecting frame, current switching erecting frame is provided with the current switching cylinder corresponding with top electrode number, and each current switching cylinder is provided with a moving contact; Described top electrode or upper clamping electrode to connect one to one with described moving contact by being flexible coupling; Described current switching erecting frame is provided with the fixed contact be connected with power electrode; Described thimble-type secondary terminals fixture comprises framework, and one end of framework is holder, and holder two ends are provided with the first guide piece, is provided with mounting clamp, mounting clamp is provided with test probe between two first guide pieces; The two ends of mounting clamp are respectively arranged with an air spring; The same ambulatory splint of the other end of air spring is connected; The thrust of described air spring makes mounting clamp and ambulatory splint keep opening; Ambulatory splint is connected with framework by the second guide piece; Described thimble-type secondary terminals fixture is provided with connection female by connection line, described omnipotent breaker overall characteristic automatic testing stand is provided with and the connection male being connected female and coordinating.
As a kind of preferred version of the present utility model, elevating mechanism is provided with liftable mounting plate in described frame, described in power up the both sides that testing agency and current switching mechanism are arranged at liftable mounting plate respectively.
Further, described frame is provided with the counter weight device of liftable mounting plate.
As another kind of preferred version of the present utility model, described frame is provided with slip objective table corresponding to powering up testing agency.
As the third preferred version of the present utility model, the inside surface of described ambulatory splint is provided with backing plate.
As the 4th kind of preferred version of the present utility model, the outside surface of described ambulatory splint is provided with hand vice, and hand vice are connected with the one end clamping linking arm by oscillating bearing; The other end of clamping linking arm is connected with described mounting clamp.
As the 5th kind of preferred version of the present utility model, described framework both sides are provided with limit base, and described framework surface is provided with upper cover plate and lower cover, upper cover plate are provided with the pilot lamp be connected with test probe circuit; Lower cover is provided with heavy-duty connector mount pad.
As the 6th kind of preferred version of the present utility model, described second guiding mechanism comprises the linear bearing be arranged on framework, is provided with the compression axis of guide be connected with ambulatory splint in linear bearing, compresses axis of guide end and is provided with limited block.
The beneficial effects of the utility model: the clamping that the utility model omnipotent breaker overall characteristic automatic testing stand can realize omnipotent breaker two rows busbar by powering up testing agency, independent assortment, the switching of electric current is carried out again by current switching mechanism, realize testing the energising of omnipotent breaker N phase, A phase, B phase and C phase, easy to use.
In addition, the utility model omnipotent breaker overall characteristic automatic testing stand, by arranging elevating mechanism, can realize the detection to different size omnipotent breaker; And can balanced balanced current switching mechanism and power up the weight of testing agency by arranging counter weight device, ensure reliability service of the present utility model.
3rd, the utility model omnipotent breaker overall characteristic automatic testing stand, by arranging slip objective table, is convenient to the movement of omnipotent breaker.
Due to the design feature of the utility model thimble-type secondary terminals fixture, the utility model can be easy to match with omnipotent breaker, and work efficiency is high, and coordinates reliable, there is not potential safety hazard.
The ambulatory splint inside surface of the utility model thimble-type secondary terminals fixture is provided with backing plate, when coordinating with omnipotent breaker, plays position-limiting action, and omnipotent breaker shell can be avoided to scratch.
The utility model thimble-type secondary terminals fixture is by arranging hand vice, and operating personnel can control the movement of ambulatory splint, and hand vice are connected with clamping linking arm by oscillating bearing, and operating personnel freely can control according to the custom of oneself, easy to use.
The utility model thimble-type secondary terminals fixture, by the distance between limit base, can coordinate with omnipotent breaker is more effective.
The utility model thimble-type secondary terminals fixture, by the setting of the second guiding mechanism, can play well guiding and position-limiting action.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model omnipotent breaker overall characteristic automatic testing stand.
Fig. 2 is the side view of Fig. 1.
Fig. 3 is the vertical view of Fig. 1.
Fig. 4 is stereographic map of the present utility model.
The structural representation of Tu5Shi current switching mechanism.
Fig. 6 is the vertical view of Fig. 5.
Fig. 7 is the side view of Fig. 5.
Fig. 8 is the structural representation powering up testing agency.
Fig. 9 is the vertical view of Fig. 8.
Figure 10 is the side view of Fig. 8.
Figure 11 is the structural representation of elevating mechanism.
Figure 12 is the schematic diagram of the utility model thimble-type secondary terminals fixture.
Figure 13 is the upward view of Figure 12.
Figure 14 is the rear view of Figure 12.
Figure 15 is using state figure of the present utility model.
In accompanying drawing, 1 is hand vice, 2 is oscillating bearing, 3 is ambulatory splint, 4 is the second guide piece, 5 is clamping linking arm, 6 is air spring, 7 is test probe, 8 is the first guide piece, 9 is mounting clamp, 10 is holder, 11 is handle, 12 is framework, 13 is backing plate, 14 is heavy-duty connector mount pad, 15 is upper cover plate, 16 is lower cover, 17 is limit base, 18 is linear bearing, 19 is limited block, 20 for compressing the axis of guide, 21 is frame, 22 for powering up testing agency, 23 for being flexible coupling, 24 is warning lamp, 25 is current switching mechanism, 26 is ball, 27 is slip objective table, 28 is substrate, 29 is limiting block, 30 is current switching erecting frame, 31 is current switching cylinder, 32 is travelling loose joint, 33 is fixing loose joint, 34 is moving contact, 35 is fixed contact, 36 is spring buffer mechanism, 37 is upper erecting frame, 38 is upper clamping plate, 39 is lower erecting frame, 40 is top electrode, 41 is liftable mounting plate, 42 is upper clamping cylinder, 43 is lower clamping cylinder, 44 is upper clamping electrode, 45 is bottom electrode, 46 is lower clamping plate, 47 is lower clamping electrode, 48 is counter weight device, 49 is fixed pulley, 50 is counterweight rope, 51 is balancing weight, 52 is screw mandrel screw assembly, 53 is lifting rope, 54 is lift servo motor, 55 is travelling block, 56 is elevating mechanism, 57 is omnipotent breaker overall characteristic automatic testing stand, 58 is connection line, 59 is thimble-type secondary terminals fixture, 60 is product.
Embodiment
The utility model comprises omnipotent breaker overall characteristic automatic testing stand 57 and thimble-type secondary terminals fixture 59, it is characterized in that: described omnipotent breaker overall characteristic automatic testing stand 57 comprises frame 21, frame 21 is provided with and powers up testing agency 22 and current switching mechanism 25, the described testing agency 22 that powers up comprises erecting frame 37 and lower erecting frame 39, and described upper erecting frame 37 is provided with at least eight top electrodes 40; Upper erecting frame 37 two ends are provided with clamping cylinder 42, and the piston rod of upper clamping cylinder 42 is connected with upper clamping plate 38; Upper clamping plate 38 is provided with the upper clamping electrode 44 corresponding with top electrode 40; Described lower erecting frame 39 is provided with bottom electrode 45; Lower erecting frame 39 two ends are provided with lower clamping cylinder 43, and the piston rod of lower clamping cylinder 43 is connected with lower clamping plate 46; Lower clamping plate 46 is provided with the lower clamping electrode 47 corresponding with bottom electrode 45, parallel with one another between multiple bottom electrode 45 or lower clamping electrode 47; Described current switching mechanism 25 comprises current switching erecting frame 30, current switching erecting frame 30 is provided with the current switching cylinder 31 corresponding with top electrode 40 number, each current switching cylinder 31 is provided with a moving contact 34; Described top electrode 40 or upper clamping electrode 44 23 to connect one to one with described moving contact 34 by being flexible coupling; Described current switching erecting frame 30 is provided with the fixed contact 35 be connected with power electrode; Described thimble-type secondary terminals fixture 59 comprises framework 12, and one end of framework 12 is holder 10, and holder 10 two ends are provided with the first guide piece 8, is provided with mounting clamp 9, mounting clamp 9 is provided with test probe 7 between two first guide pieces 8; The two ends of mounting clamp 9 are respectively arranged with an air spring 6; The same ambulatory splint 3 of the other end of air spring 6 is connected; The thrust of described air spring 6 makes mounting clamp 9 and ambulatory splint 3 keep opening; Ambulatory splint 3 is connected with framework 12 by the second guide piece 4; Described thimble-type secondary terminals fixture 59 is provided with connection female by connection line 58, described omnipotent breaker overall characteristic automatic testing stand 57 is provided with and the connection male being connected female and coordinating.
The piston rod of described current switching cylinder 31 is connected by travelling loose joint 32 and a fixing loose joint 33, fixing loose joint 33 and moving contact 34 hinged, the contact base in one end of moving contact 34 and frame 21 is hinged.
As a kind of preferred version of the present utility model, in described frame 21, elevating mechanism 56 is provided with liftable mounting plate 41, described in power up the both sides that testing agency 22 and current switching mechanism 25 are arranged at liftable mounting plate 41 respectively.
Described elevating mechanism 56 comprises the lift servo motor 54 be arranged in frame 21, and lift servo motor 54 is provided with lifter plate by screw mandrel screw assembly 52, and lifter plate is provided with a travelling block 55 by lifting rope 53, and the end winding support of lifting rope 53 is in frame 21; Described travelling block 55 is connected with described liftable mounting plate 41.
Further, described frame 21 is provided with the counter weight device 48 of liftable mounting plate 41.
Described counter weight device 48 comprises the fixed pulley 49 be arranged in frame 21, and described liftable mounting plate 41 is provided with counterweight rope 50, and counterweight rope 50 is connected with a balancing weight 51 through fixed pulley 49.
As another kind of preferred version of the present utility model, described frame 21 is provided with slip objective table 27 corresponding to powering up testing agency 22.
Described slip objective table 27 comprises substrate 28, is provided with ball 26 below substrate 28, and described ball 26 is exposed by substrate 28 upper surface.
Described slip objective table 27 end is provided with spacing rib 29.
Described powering up between testing agency 22 and liftable mounting plate 41 is provided with spring buffer mechanism 36.
Described holder 10 is provided with handle 11.
The inside surface of described ambulatory splint 3 is provided with backing plate 13.
The outside surface of described ambulatory splint 3 is provided with hand vice 1, and hand vice 1 are connected with the one end clamping linking arm 5 by oscillating bearing 2; The other end of clamping linking arm 5 is connected with described mounting clamp 9.
Described framework 12 both sides are provided with limit base 17, and described framework 12 surface is provided with upper cover plate 15 and lower cover 16, upper cover plate 15 are provided with the pilot lamp be connected with test probe 7 circuit; Lower cover 16 is provided with heavy-duty connector mount pad 14; Described connection line 58 is connected on heavy-duty connector mount pad 14.
Described second guiding mechanism comprises the linear bearing 18 be arranged on framework 12, is provided with the compression axis of guide 20 be connected with ambulatory splint 3 in linear bearing 18, compresses the axis of guide 20 end and is provided with limited block 19.
The utility model is also provided with PLC control system, frame 21 is provided with the warning lamp 24 of PLC control system, and person-computer union.
When the utility model uses, other equipment are utilized to be positioned over by omnipotent breaker on slip objective table 27, under the effect of ball 26, can mobile product 60 easily; After being moved into place by product 60, utilize and power up testing agency 22 by the two busbar clampings up and down of product 60, recycling current switching mechanism 25 coordinates switching as required automatically, thus reaches the every test to product 60.Molar behavior can be completed by PLC control system, and detection efficiency is high, reduces labor strength, eliminates safe hidden trouble.
When detecting the contact of product 60, operating personnel select the secondary terminals fixture mated with product type to be measured, and both hands hold handle 11 and hand vice 1 respectively, are buckled on product to be measured by the utility model.The left and right limit function of limit base 17, can make to have between the utility model and product well to join and relation.Clamping of the present utility model and unclamp action be by hand vice 1 and air spring 6 with the use of realizing.Air spring 6 has that volume is little, elastic force is large, stroke is long, spring curve is mild, steady operation and other merits.As a part of the present utility model, the constant support power of its flexibility can make fixture keep the state of opening very easily, thus, is buckled in easily above product to be measured.Coordinated with the first of product by spacing the completing of limit base 17.
When starting to test, operator pulls lower hand vice 1 and overcomes air spring 6 anchorage force, and mounting clamp 9 and ambulatory splint 3 are compressed simultaneously.The backing plate 13 of ambulatory splint 3 contacts with product back cover to be measured.While can playing rear position-limiting action, avoid the scratch to product back cover.Test probe 7 and the contact on product to be measured, complete the process of test.
Upper cover plate 15 and lower cover 16 by the utility model integrally closed interior.Upper cover plate 15 is equipped with pilot lamp, and pilot lamp can according to the result of test, and whether prompting operator product is qualified.The heavy-duty connector mount pad 14 of both sides is arranged on lower cover 16.After secondary terminals test fixture fixes, the heavy-duty connector female of the left and right sides and testing station (not shown) upper male plug assembled, to inserting, realize the function of energising.During test, electric current is delivered to connection terminal by probe, realizes corresponding Function detection.Can unclamping by hand vice 1 after test terminates, unload test fixture, test next part product.
Be understandable that, above about specific descriptions of the present utility model, the technical scheme described by the utility model embodiment is only not limited to for illustration of the utility model, those of ordinary skill in the art is to be understood that, still can modify to the utility model or equivalent replacement, to reach identical technique effect; Needs are used, all within protection domain of the present utility model as long as meet.
Claims (10)
1. omnipotent breaker overall characteristic checkout equipment, comprise omnipotent breaker overall characteristic automatic testing stand (57) and thimble-type secondary terminals fixture (59), it is characterized in that: described omnipotent breaker overall characteristic automatic testing stand (57) comprises frame (21), frame (21) is provided with and powers up testing agency (22) and current switching mechanism (25), the described testing agency (22) that powers up comprises erecting frame (37) and lower erecting frame (39), and described upper erecting frame (37) is provided with at least eight top electrodes (40); Upper erecting frame (37) two ends are provided with clamping cylinder (42), and the piston rod of upper clamping cylinder (42) is connected with upper clamping plate (38); Upper clamping plate (38) is provided with the upper clamping electrode (44) corresponding with top electrode (40); Described lower erecting frame (39) is provided with bottom electrode (45); Lower erecting frame (39) two ends are provided with lower clamping cylinder (43), and the piston rod of lower clamping cylinder (43) is connected with lower clamping plate (46); Lower clamping plate (46) is provided with the lower clamping electrode (47) corresponding with bottom electrode (45), parallel with one another between multiple bottom electrode (45) or lower clamping electrode (47); Described current switching mechanism (25) comprises current switching erecting frame (30), current switching erecting frame (30) is provided with the current switching cylinder (31) corresponding with top electrode (40) number, each current switching cylinder (31) is provided with a moving contact (34); Described top electrode (40) or upper clamping electrode (44) are connected one to one with described moving contact (34) by be flexible coupling (23); Described current switching erecting frame (30) is provided with the fixed contact (35) be connected with power electrode; Described thimble-type secondary terminals fixture (59) comprises framework (12), one end of framework (12) is holder (10), holder (10) two ends are provided with the first guide piece (8), be provided with mounting clamp (9) between two first guide pieces (8), mounting clamp (9) be provided with test probe (7); The two ends of mounting clamp (9) are respectively arranged with an air spring (6); The same ambulatory splint of the other end (3) of air spring (6) is connected; The thrust of described air spring (6) makes mounting clamp (9) and ambulatory splint (3) keep opening; Ambulatory splint (3) is connected with framework (12) by the second guide piece (4); Described thimble-type secondary terminals fixture (59) is provided with connection female by connection line (58), described omnipotent breaker overall characteristic automatic testing stand (57) is provided with and the connection male being connected female and coordinating.
2. omnipotent breaker overall characteristic checkout equipment according to claim 1, it is characterized in that: elevating mechanism (56) is provided with liftable mounting plate (41) in described frame (21), described in power up the both sides that testing agency (22) and current switching mechanism (25) are arranged at liftable mounting plate (41) respectively.
3. omnipotent breaker overall characteristic checkout equipment according to claim 2, it is characterized in that: described elevating mechanism (56) comprises the lift servo motor (54) be arranged in frame (21), lift servo motor (54) is provided with lifter plate by screw mandrel screw assembly (52), lifter plate is provided with a travelling block (55) by lifting rope (53), and the end winding support of lifting rope (53) is in frame (21); Described travelling block (55) is connected with described liftable mounting plate (41).
4. omnipotent breaker overall characteristic checkout equipment according to claim 3, is characterized in that: the counter weight device (48) described frame (21) being provided with liftable mounting plate (41).
5. omnipotent breaker overall characteristic checkout equipment according to claim 1, is characterized in that: described frame (21) is provided with slip objective table (27) corresponding to powering up testing agency (22).
6. omnipotent breaker overall characteristic checkout equipment according to claim 5, it is characterized in that: described slip objective table (27) comprises substrate (28), substrate (28) below is provided with ball (26), and described ball (26) is exposed by substrate (28) upper surface.
7. omnipotent breaker overall characteristic checkout equipment according to claim 5, is characterized in that: described slip objective table (27) end is provided with spacing rib (29).
8. omnipotent breaker overall characteristic checkout equipment according to claim 1, it is characterized in that: the outside surface of described ambulatory splint (3) is provided with hand vice (1), and one end that hand vice (1) clamp linking arm (5) by oscillating bearing (2) and is connected; The other end of clamping linking arm (5) is connected with described mounting clamp (9).
9. omnipotent breaker overall characteristic checkout equipment according to claim 1, it is characterized in that: described framework (12) both sides are provided with limit base (17), described framework (12) surface is provided with upper cover plate (15) and lower cover (16), upper cover plate (15) is provided with the pilot lamp be connected with test probe (7) circuit; Lower cover (16) is provided with heavy-duty connector mount pad (14); Described connection line (58) is connected on heavy-duty connector mount pad (14).
10. omnipotent breaker overall characteristic checkout equipment according to claim 1, it is characterized in that: described second guide piece (4) comprises the linear bearing (18) be arranged on framework (12), be provided with the compression axis of guide (20) be connected with ambulatory splint (3) in linear bearing (18), compress the axis of guide (20) end and be provided with limited block (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520872680.6U CN205067695U (en) | 2015-11-04 | 2015-11-04 | Conventional circuit -breaker composite characteristic check out test set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520872680.6U CN205067695U (en) | 2015-11-04 | 2015-11-04 | Conventional circuit -breaker composite characteristic check out test set |
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| Publication Number | Publication Date |
|---|---|
| CN205067695U true CN205067695U (en) | 2016-03-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520872680.6U Withdrawn - After Issue CN205067695U (en) | 2015-11-04 | 2015-11-04 | Conventional circuit -breaker composite characteristic check out test set |
Country Status (1)
| Country | Link |
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| CN (1) | CN205067695U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105223498A (en) * | 2015-11-04 | 2016-01-06 | 沈阳其墨智能装备有限公司 | Omnipotent breaker overall characteristic checkout equipment |
| CN107167730A (en) * | 2017-07-04 | 2017-09-15 | 苏州德源机电有限公司 | A kind of vertical direct insertion door machine contact test machine |
| 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 |
| CN108535642A (en) * | 2018-06-22 | 2018-09-14 | 杭州之江开关股份有限公司 | A kind of single-phase high-current detector of breaker and its operating method |
-
2015
- 2015-11-04 CN CN201520872680.6U patent/CN205067695U/en not_active Withdrawn - After Issue
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105223498A (en) * | 2015-11-04 | 2016-01-06 | 沈阳其墨智能装备有限公司 | Omnipotent breaker overall characteristic checkout equipment |
| CN105223498B (en) * | 2015-11-04 | 2017-11-28 | 沈阳其墨智能装备有限公司 | Omnipotent breaker overall characteristic detection device |
| 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 |
| CN107167730A (en) * | 2017-07-04 | 2017-09-15 | 苏州德源机电有限公司 | A kind of vertical direct insertion door machine contact test machine |
| CN108535642A (en) * | 2018-06-22 | 2018-09-14 | 杭州之江开关股份有限公司 | A kind of single-phase high-current detector of breaker and its operating method |
| CN108535642B (en) * | 2018-06-22 | 2023-06-27 | 杭州之江开关股份有限公司 | Single-phase heavy current detection device of circuit breaker and operation method thereof |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160302 Effective date of abandoning: 20171128 |
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| AV01 | Patent right actively abandoned |