CN201503808U - Vacuum isolating phase-change switch provided with manual isolating switch - Google Patents
Vacuum isolating phase-change switch provided with manual isolating switch Download PDFInfo
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- CN201503808U CN201503808U CN2009201973366U CN200920197336U CN201503808U CN 201503808 U CN201503808 U CN 201503808U CN 2009201973366 U CN2009201973366 U CN 2009201973366U CN 200920197336 U CN200920197336 U CN 200920197336U CN 201503808 U CN201503808 U CN 201503808U
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- phase
- isolating switch
- push pedal
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Abstract
The utility model relates to a vacuum isolating phase-change switch provided with a manual isolating switch, comprising two groups of switch units and inlet/outlet busbars arranged on a framework, also comprising one group of manual isolating switches arranged on the framework, wherein each group of switch unit comprises three vacuum tube groups; and the manual isolating switch comprises a manual isolating operating device and three groups of isolating moving/static contact groups and inlet and outlet busbars used for breaking circuit in case of contact adhesion and other abnormalities in the vacuum tube. The utility model has the benefits that the vacuum isolating phase-change switch has compact and reasonable structure of the whole switch and solves the problems of no obvious breakpoint of the vacuum isolating phase-change switch in the prior art, no breaking capacity in the vacuum tube after contact adhesion and poor safety.
Description
Technical field
The utility model relates to a kind of switching device, relates in particular to a kind of vacuum insulating phase-change switch that has manual isolating switch.
Background technology
Existing mining insulating phase-change switch mainly contains two kinds of forms: a kind of is the insulating phase-change switch of air type; Another kind is the insulating phase-change switch of vacuum type.Wherein: the insulating phase-change switch breaking capacity of air type is relatively poor, generally can only 3 times of rated current of disjunction, and produce very big electric arc during segmentation, and fail safe is relatively poor, the easy scaling loss of contact, and the life-span is shorter; And the contact of the insulating phase-change switch of vacuum type is to work under vacuum state, breaking current is big, the outside no electric arc of vacuum tube, the vacuum tube internal arc is little, and contact is difficult for scaling loss, life-span is longer, the insulating phase-change switch of vacuum type progressively replaces the application of the insulating phase-change switch of air type because of above-mentioned advantage on market, but the general no obvious breakpoint of domestic existing vacuum insulating phase-change switch, do not have breaking capacity after the adhesion of vacuum tube inside contact, fail safe is relatively poor; As: Chinese patent: a kind of vacuum isolating change-over switch (ZL01275975.9).Along with the raising of people to the mining equipment security requirement, existing vacuum insulating phase-change switch can not satisfy the demands.
The utility model content
The utility model has overcome the deficiencies in the prior art part, a kind of vacuum insulating phase-change switch that has manual isolating switch is provided, have manual isolating switch, whole construction of switch is compact to design, rationally, solving vacuum insulating phase-change switch of the prior art does not have obvious breakpoint, does not have breaking capacity after the adhesion of vacuum tube inside contact, the problem that fail safe is relatively poor.
The utility model is to achieve the above object by the following technical programs: a kind of vacuum insulating phase-change switch that has manual isolating switch, comprise that one is installed in two groups of switch elements on the framework and passes in and out line row, each group switch element comprises three vacuum tube groups, also comprise one group of manual isolating switch that is installed on the framework, described manual isolating switch comprises a manual isolated operation device and three groups of isolation dynamic/static contact groups and passes in and out line row, is used for when the adhesion of vacuum tube inside contact or other unusual time-division deenergizings.
As preferably, manually the isolated operation device comprises sector shaft, the right angle tooth bar, and pushing block, shifting block, the shifting block axle, linkage is isolated the moving contact square shaft, reset tension spring I; Wherein: sector shaft and the engagement of right angle tooth bar, pushing block is fixed on tooth bar upper end, right angle, shifting block agrees with in pushing block, shifting block axle on the shifting block is fixed on the framework, fixedlying connected with linkage in the lower end of shifting block, isolates the moving contact square shaft and be fixed on the end of linkage, isolates the moving contact square shaft other end isolation moving contact of ining succession mutually, isolate the moving contact square shaft and be used to realize that three groups are isolated dynamic/static contact disjunction or closure, reset tension spring I is fixedlyed connected with linkage.
As preferably, described linkage comprises rocking bar, connecting rod, and plate, wherein: rocking bar and connecting rod flexibly connect, and connecting rod is fixedlyed connected with the lower end of shifting block, connecting rod and plate flexible connection, isolation moving contact square shaft is fixed on the plate.
As preferably, each group switch element by its electromagnetic operating device realizing the break-make of dynamic/static contact in the vacuum tube, thereby make the conversion of connecting and disconnecting of the circuit and phase sequence; Described electromagnetic operating device comprises electromagnet, push pedal connection handle, push pedal, moving contact pull bar, back-moving spring II; Adhesive push pedal connection handle after wherein electromagnet is switched on, the push pedal connection handle is fixedlyed connected with push pedal, fixedly connected with moving contact pull bar one end in the end of push pedal, the rotation of push pedal drives the moving contact pull bar and realizes that the connection of circuit is disconnected, back-moving spring II one end is fixed on the electromagnet framework, the other end is fixedlyed connected with push pedal connection handle (14), and back-moving spring II is used for the disjunction dynamic/static contact.
As preferably, also include positive combined floodgate auxiliary contact, the phase closing auxiliary contact; Drive auxiliary contact pressure plates I or the rotation of auxiliary contact pressure plates II during the push pedal action, positive combined floodgate auxiliary contact or phase closing auxiliary contact are connected or disjunction.
As preferably, manually isolating switch also comprises the isolation auxiliary contact, drives the auxiliary contact push pedal during pushing block action and moves up and down, and auxiliary contact are connected or disjunction.
As preferably, manually the dynamic/static contact of isolating switch is provided with the extinguishing arc cover, is provided with the grid sheet in the extinguishing arc cover.
The beneficial effects of the utility model: whole construction of switch is compact to design, and rationally, solving vacuum insulating phase-change switch of the prior art does not have obvious breakpoint, does not have breaking capacity after the adhesion of vacuum tube inside contact, the problem that fail safe is relatively poor.
Description of drawings
Fig. 1 is the perspective view that has the vacuum insulating phase-change switch of manual isolating switch;
Fig. 2 is the front view of Fig. 1;
Fig. 3 is the vertical view of Fig. 1;
Fig. 4 is the A-A cutaway view of Fig. 3;
Fig. 5 is the structural representation of the manual isolating switch manual isolated operation device when closed;
Fig. 6 is that the B of Fig. 5 is to partial view;
Fig. 7 is the structural representation of the manual isolating switch manual isolated operation device when disconnecting;
Fig. 8 is the structural representation of the manual isolating switch dynamic/static contact when closed;
Fig. 9 is the structural representation of the manual isolating switch dynamic/static contact when disconnecting;
Figure 10 is positive combined floodgate auxiliary contact, the structural representation of phase closing auxiliary contact;
Figure 11 is the circuit theory diagrams that have the vacuum insulating phase-change switch of manual isolating switch.
Among the figure: rotary switch-1, cover plate--2, the extinguishing arc cover--3, grid sheet-4, vacuum tube turnover line row--5, framework-6, isolate the fixed contact group--7, auxiliary contact pressure plates II 8, phase closing auxiliary contact-9, base-10 is isolated moving contact square shaft-11, and manually isolating switch turnover line row-12, vacuum tube-13, push pedal connection handle-14, buffer spring-15, moving contact pull bar-16, push pedal-17, electromagnet-18, back-moving spring II-19, rocking bar--20, shifting block axle-21, shifting block--22, pushing block--23, pitman shaft III-24, connecting rod--25, auxiliary contact push pedal-26, isolate auxiliary contact--27, plate-28, tie point-29, reset tension spring I--30, pitman shaft II-31, pitman shaft I-32, right angle tooth bar-33, sector shaft-34, isolate moving contact--35, positive combined floodgate auxiliary contact--36, auxiliary contact pressure plates I-37;
Embodiment
The utility model is further elaborated by embodiment below in conjunction with accompanying drawing:
Embodiment 1: as shown in Figure 1, a kind of vacuum insulating phase-change switch that has manual isolating switch, comprise two groups of switch elements and a vacuum tube turnover line row 5 who is installed on the framework 6, each group switch element comprises 13 groups in three vacuum tubes, each group switch element passes through the break-make of its electromagnetic operating device with dynamic/static contacts in the realization vacuum tube 13, thereby makes the conversion of connecting and disconnecting of the circuit and phase sequence; Described vacuum insulating phase-change switch also comprises one group of manual isolating switch that is installed on the framework 6, described manual isolating switch comprises a manual isolated operation device and three groups of isolation dynamic/ static contact groups 35,7 and passes in and out line row 12, be used for realizing obvious breakpoint when vacuum tube 13 inside contact adhesions or other unusual time-division deenergizings.Whole switch is installed on the base 10, is covered with cover plate 2 on the framework 6.
As shown in Figure 3, Figure 4, described electromagnetic operating mechanism comprises electromagnet 18, push pedal connection handle 14, push pedal 17, moving contact pull bar 16, back-moving spring II19; Adhesive push pedal connection handles 14 after wherein electromagnet 18 is switched on, push pedal connection handle 14 is fixedlyed connected with push pedal 17, fixedly connected with moving contact pull bar 16 1 ends in the end of push pedal 17, the rotation of push pedal 17 drives moving contact pull bar 16 and realizes that the connection of circuit is disconnected, moving contact pull bar 16 is located among the buffer spring 15, back-moving spring II19 one end is fixed on the electromagnet framework, the other end is fixedlyed connected with push pedal connection handle 14, back-moving spring II19 is used for the disjunction dynamic/static contact, connect different switch elements, realize different phase sequences.
As shown in figure 10, electric vacuum isolated phase change switch also includes positive combined floodgate auxiliary contact 36, phase closing auxiliary contact 39; Drive auxiliary contact pressure plates I 37 or 38 rotations of auxiliary contact pressure plates II during push pedal 17 actions, positive combined floodgate auxiliary contact 36 or phase closing auxiliary contact 39 are connected or disjunctions.
As Fig. 2, Fig. 5, Fig. 6, Fig. 7, Fig. 8, shown in Figure 9, manually the isolated operation device comprises sector shaft 34, right angle tooth bar 33, and pushing block 23, shifting block 22, shifting block axle 21, linkage is isolated moving contact square shaft 11, reset tension spring I30; Wherein: sector shaft 34 and 33 engagements of right angle tooth bar, pushing block 23 is fixed on right angle tooth bar 33 upper ends, shifting block 22 agrees with in pushing block 23, shifting block axle 21 on the shifting block 22 is fixed on the framework 6, fixedly connected with linkage in the lower end of shifting block 22, isolating moving contact square shaft 11 is fixed on the plate 28 of linkage, isolate moving contact square shaft 11 other ends isolation moving contact of ining succession mutually, isolate moving contact square shaft 11 and be used to realize that three groups are isolated dynamic/static contact 35 disjunctions or closure, reset tension spring I30 is fixedlyed connected with linkage by tie point 29.In actual applications, can be provided with location notch on framework at shifting block 22 back side installing and locating pins, with the movement locus of control shifting block 22, the movement locus of shifting block 22 is fixed, but drivening rod motion of mechanism track.
Described linkage comprises rocking bar 20, connecting rod 25, plate 28, wherein: rocking bar 20 flexibly connects by pitman shaft I32 with connecting rod 25, connecting rod 25 is movably connected on the framework by pitman shaft III24, connecting rod 25 is fixedlyed connected with the lower end of shifting block 22, and connecting rod 25 flexibly connects by pitman shaft II31 with plate 28, isolates moving contact square shaft 11 and is fixed on the plate 28.
Manually isolating switch also comprises isolation auxiliary contact 27, drives auxiliary contact push pedal 26 during pushing block 23 actions and moves up and down, and auxiliary contact 27 are connected or disjunctions.
As shown in figure 11, a kind of circuit of the vacuum insulating phase-change switch that has a manual isolating switch form and operation principle as follows:
A kind of circuit that has the vacuum insulating phase-change switch of manual isolating switch, by positive combined floodgate Z1, Z2, Z3 vacuum tube group, phase closing F1, F2, F3 vacuum tube group, the T control transformer, RD1, RD2, the RD3 fuse, the positive phase closing of DHK-Z/F is removed key switch, DHK-Z1, the positive phase closing auxiliary contact of DHK-F1, DHK-Z, the positive and negative phase closing coil of DHK-F, the manual isolating switch of G is formed, wherein: the manual isolating switch of G is electrically connected with electric power incoming line, positive combined floodgate Z1, Z2, Z3 vacuum tube group, phase closing F1, F2, F3 vacuum tube group is electrically connected with the manual isolating switch of G in parallel, the T control transformer respectively with positive combined floodgate Z1, Z2, Z3 vacuum tube group, phase closing F1, F2, F3 vacuum tube group connects, and positive combined floodgate major loop and phase closing major loop are electrically connected with the T control transformer respectively, RD1, RD2, the RD3 fuse is electrically connected with the T control transformer, is used for former pair of limit short-circuit protection of transformer; Positive combined floodgate major loop is closed a floodgate by the DHK-Z positive and removes key switch, DHK-F1 phase closing auxiliary contact, DHK-Z positive closing coil and be composed in series successively, and the phase closing major loop is removed key switch, DHK-Z1 positive combined floodgate auxiliary contact, DHK-F phase closing coil by the DHK-F phase closing and is composed in series successively.
Each main components and parts effect
(1) the manual isolating switch of G---be used for the disjunction main circuit power, and when the vacuum tube adhesion, it can the disjunction main power source, and duplicate protection is arranged.
(2) Z1, Z2, Z3 vacuum tube---be used for positive combined floodgate major loop to connect.
(3) F1, F2, F3 vacuum tube---be used for the phase closing major loop to connect.
(4) T control transformer--when----is used for positive phase closing, provides 220V voltage to closing coil
(5) RD1, RD2, RD3 fuse----are used for former pair of limit short-circuit protection of transformer.
(6) the positive phase closing of DHK-Z/F is removed key switch---path when being used for positive phase closing and opening circuit.
Mutual locking when (7) the positive phase closing auxiliary contact of DHK-Z1, DHK-F1----are used for positive phase closing, promptly when positive closed a floodgate, positive combined floodgate auxiliary contact Z1 normally closed contact was opened, and disconnect the phase closing loop and prevent, after positive closes a floodgate, the anti-phase combined floodgate.Phase closing herewith.
(8)------after DHK-Z/F removed the key switch closure, 220V delivered to just anti-phase and brake cable circle two ends the positive and negative phase closing coil of DHK-Z, DHK-F, and coil gets electric adhesive, makes the vacuum tube closure.
Electronic (band is manually) vacuum insulating phase-change switch operation principle:
With the positive combined floodgate is example:
Positive combined floodgate switch DHK-Z closes, this moment, the positive closing coil got electric adhesive, as shown in Figure 4, adhesive push pedal connection handles 14 after wherein electromagnet 18 is switched on, push pedal connection handle 14 is fixedlyed connected with push pedal 17, and fixedly connected with moving contact pull bar 16 1 ends in the end of push pedal 17, the rotation of push pedal 17 drives moving contact pull bar 16 and realizes that the connection of circuit is disconnected, back-moving spring II19 is used for the disjunction dynamic/static contact, Z1, Z2, Z3, and 3 closed positives of vacuum tube close a floodgate and finish.Load side W, U, V terminal have.Drive auxiliary contact pressing plate 38 during push pedal 17 actions and rotate together, its auxiliary contact DHK-Z1 opens simultaneously, disconnects phase closing coil power supply loop.
Otherwise, press the another button, realize that pull-in winding gets TURP and changes, cut off one group of vacuum tube of original conducting electric current, same order is finished another group vacuum tube current lead-through, reaches electronic commutation.
In the described this vacuum insulating phase-change switch of present embodiment, when positive closes a floodgate, positive combined floodgate switch DHK-Z, this moment, the positive closing coil got electric adhesive, the rotation of push pedal 17 drives moving contact pull bar 16 and realizes that the connection of circuit is disconnected, drive auxiliary contact pressing plate 38 simultaneously during push pedal 17 actions and rotate together, its auxiliary contact DHK-Z1 opens simultaneously, disconnects phase closing coil power supply loop.This mechanical structure has realized that it is to be finished by same mechanical action that positive combined floodgate and positive combined floodgate auxiliary contact Z1 normally closed contact are opened, design very ingeniously, so greatly improved the fail safe of reversing switch circuit, and whole switching circuit structural design compactness, rationally, easy to process, use simple.
Manual isolating switch course of action:
1, closed manually isolating switch:
As Fig. 5, Fig. 6, Fig. 7, shown in Figure 8, be rotated counterclockwise 40 ° of sector shafts, the right angle tooth bar 33 that meshes with sector shaft is moved down, promoting shifting block 22 by the pushing block 23 of fixedlying connected with right angle tooth bar 33 clockwise rotates, linkage passes through the dead point, utilize spring tension to make the connecting rod self-locking, make rocking bar 20 rotate counterclockwise 20 ° along rotating counterclockwise the isolation moving contact square shaft 11 that 20 ° of drives link to each other with rocking bar 20, isolate the continuous isolation moving contact of moving contact square shaft 11 other ends and rotate counterclockwise 20 °, make moving contact and decide the contact applying, under the preloading spring effect moving contact is compressed and decide contact conducting electric current, closure is finished.
2, cut-off manual interrupter:
As Fig. 5, Fig. 6, Fig. 7, shown in Figure 9,40 ° of sector shafts turn clockwise, make on the right angle tooth bar 33 with sector shaft engagement and move, promote shifting blocks 22 by the pushing block 23 of fixedlying connected and rotate counterclockwise, stir connecting rod and overcome self-locking and pass through the dead point with right angle tooth bar 33, under the effect of spring force, break away from fast the dead-centre position, drive rocking bar 20 and clockwise rotate 20 °, drive and isolate moving contact square shaft 11 and rotate and make moving contact clockwise rotate 20 ° to decide contact, cut off electric current, cut-off and finish.
Above described be specific embodiment of the utility model and the know-why used; if comply with the change that conception of the present utility model is done; when the function that it produced does not exceed spiritual that specification and accompanying drawing contain yet, must belong to protection range of the present utility model.
Claims (8)
1. vacuum insulating phase-change switch that has manual isolating switch, comprise that one is installed in two groups of switch elements on the framework (6) and passes in and out line row (5), each group switch element comprises three vacuum tubes (13) group, it is characterized in that, also comprise one group of manual isolating switch that is installed on the framework (6), described manual isolating switch comprises a manual isolated operation device and three groups of isolation dynamic/static contact groups (35,7) and passes in and out line row (12), is used for when vacuum tube (13) inside contact adhesion or other unusual time-division deenergizings.
2. according to the described vacuum insulating phase-change switch that has manual isolating switch of claim 1, it is characterized in that, manually the isolated operation device comprises sector shaft (34), right angle tooth bar (33), pushing block (23), shifting block (22), shifting block axle (21), linkage is isolated moving contact square shaft (11), reset tension spring I (30); Wherein: sector shaft (34) and right angle tooth bar (33) engagement, pushing block (23) is fixed on right angle tooth bar (33) upper end, shifting block (22) agrees with in pushing block (23), shifting block axle (21) on the shifting block (22) is fixed on the framework (6), fixedly connected with linkage in the lower end of shifting block (22), isolating moving contact square shaft (11) is fixed on the end of linkage, isolate moving contact square shaft (11) other end isolation moving contact of ining succession mutually, isolate moving contact square shaft (11) and be used to realize that three groups are isolated dynamic/static contact (35) disjunction or closure, reset tension spring I (30) is fixedlyed connected with linkage.
3. according to the described vacuum insulating phase-change switch that has manual isolating switch of claim 2, it is characterized in that described linkage comprises rocking bar (20), connecting rod (25), plate (28), wherein: rocking bar (20) flexibly connects with connecting rod (25), connecting rod (25) is fixedlyed connected with the lower end of shifting block (22), and connecting rod (25) flexibly connects with plate (28), isolates moving contact square shaft (11) and is fixed on the plate (28).
4. according to claim 1 or the 2 or 3 described vacuum insulating phase-change switch that have manual isolating switch, it is characterized in that, each group switch element passes through the break-make of its electromagnetic operating device with the interior dynamic/static contact of realization vacuum tube (13), thereby makes the conversion of connecting and disconnecting of the circuit and phase sequence; Described electromagnetic operating device comprises electromagnet (18), push pedal connection handle (14), push pedal (17), moving contact pull bar (16), back-moving spring II (19); Adhesive push pedal connection handle (14) after wherein electromagnet (18) is switched on, push pedal connection handle (14) is fixedlyed connected with push pedal (17), fixedly connected with moving contact pull bar (16) one ends in the end of push pedal (17), the rotation of push pedal (17) drives moving contact pull bar (16) and realizes that the connection of circuit is disconnected, back-moving spring II (19) one ends are fixed on the electromagnet framework, the other end is fixedlyed connected with push pedal connection handle (14), and back-moving spring II (19) is used for the disjunction dynamic/static contact.
5. according to the described vacuum insulating phase-change switch that has manual isolating switch of claim 4, it is characterized in that also including positive combined floodgate auxiliary contact (36), phase closing auxiliary contact (9); Drive auxiliary contact pressure plates I (37) or auxiliary contact pressure plates II (8) rotation during push pedal (17) action, positive combined floodgate auxiliary contact (36) or phase closing auxiliary contact (9) are connected or disjunction.
6. according to claim 2 or the 3 described vacuum insulating phase-change switch that have manual isolating switch, it is characterized in that manual isolating switch also comprises isolation auxiliary contact (27), drive auxiliary contact push pedals (26) during pushing block (23) action and move up and down, auxiliary contact (27) are connected or disjunction.
7. according to claim 2 or the 3 described vacuum insulating phase-change switch that have manual isolating switch, it is characterized in that manually the dynamic/static contact (35,7) of isolating switch is provided with extinguishing arc cover (3), is provided with grid sheet (4) in the extinguishing arc cover (3).
8. according to the described vacuum insulating phase-change switch that has manual isolating switch of claim 6, it is characterized in that manually the dynamic/static contact (35,7) of isolating switch is provided with extinguishing arc cover (3), is provided with grid sheet (4) in the extinguishing arc cover (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201973366U CN201503808U (en) | 2009-09-24 | 2009-09-24 | Vacuum isolating phase-change switch provided with manual isolating switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201973366U CN201503808U (en) | 2009-09-24 | 2009-09-24 | Vacuum isolating phase-change switch provided with manual isolating switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201503808U true CN201503808U (en) | 2010-06-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201973366U Expired - Lifetime CN201503808U (en) | 2009-09-24 | 2009-09-24 | Vacuum isolating phase-change switch provided with manual isolating switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201503808U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101651060B (en) * | 2009-09-24 | 2012-01-25 | 浙江恒泰科技有限公司 | Vacuum isolated phase change switch with manual-isolating switches |
-
2009
- 2009-09-24 CN CN2009201973366U patent/CN201503808U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101651060B (en) * | 2009-09-24 | 2012-01-25 | 浙江恒泰科技有限公司 | Vacuum isolated phase change switch with manual-isolating switches |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: ZHEJIANG HENGTAI TECHNOLOGY CO.,LTD Free format text: FORMER OWNER: FEI JIANGHAI Effective date: 20100702 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 322200 ZHEJIANG HENGTAI TECHNOLOGY CO., LTD., PUJIANG ECONOMIC DEVELOPMENT ZONE, PUJIANG COUNTY, ZHEJIANG PROVINCE TO: 322200 ZHEJIANG HENGTAI TECHNOLOGY CO., LTD., NO. 288, YIDIANHONG STREET, ECONOMY DEVELOPMENT ZONE, PUJIANG COUNTY HEJIANG PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20100702 Address after: 322200 Zhejiang Hengtai Technology Co., Ltd., 288 Red Avenue, Pujiang Economic Development Zone, Zhejiang, China Patentee after: Zhejiang Hengtai Technology Co., Ltd. Address before: 322200 Zhejiang Hengtai Technology Co., Ltd., Pujiang Economic Development Zone, Zhejiang County, Pujiang Province Patentee before: Fei Jianghai |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20100609 Effective date of abandoning: 20090924 |