CN102280320B - Operating mechanism of leakage circuit breaker - Google Patents
Operating mechanism of leakage circuit breaker Download PDFInfo
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- CN102280320B CN102280320B CN 201110150947 CN201110150947A CN102280320B CN 102280320 B CN102280320 B CN 102280320B CN 201110150947 CN201110150947 CN 201110150947 CN 201110150947 A CN201110150947 A CN 201110150947A CN 102280320 B CN102280320 B CN 102280320B
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- break
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Abstract
The invention discloses an operating mechanism of a leakage circuit breaker. The operating mechanism comprises a handle operating mechanism, a fixing frame, a lateral baffle plate, a moving contact frame and a tripping device, wherein the handle operating mechanism comprises a handle, a handle resetting spring and a transmission frame linked and matched with the handle; the transmission frame is matched with the moving contact frame in a transmission connection manner; and the tripping device comprises a tripping mandril. The operating mechanism is characterized by also comprising a gear rod, a kick frame, a kick frame resetting spring, an on-off indication frame and a resetting plate. The operating mechanism has the advantages that: the indication of an on-off state and a leakage state is realized; meanwhile, the operating mechanism can act by matching with an auxiliary switch without extra circuit connection; and therefore the operating mechanism has the advantages of reasonable structure arrangement, operation stability and reliability and convenience for overhauling.
Description
Technical field
The present invention relates to a kind of residual current circuit breaker, specifically refer to a kind of operating mechanism of residual current circuit breaker.
Background technology
Thereby residual current circuit breaker is can automatic trip play earth leakage protective switch when leakage current surpasses predetermined value in the circuit.The structure of existing residual current circuit breaker is main
ByCircuit breaker and release combination interlock form.
Existing residual current circuit breaker generally all is by the mode of a plurality of relay indicating lights that link to each other with residual current circuit breaker inside being installed, indicating electric leakage state and the on off operating mode of residual current circuit breaker.This residual current circuit breaker in case indication fault occurs, need be overhauled the circuit of residual current circuit breaker inside when keeping in repair or produce check, and maintenance and maintenance cost height are unfavorable for cost control.
Summary of the invention
The objective of the invention is in order to overcome the shortcoming and defect that prior art exists, and a kind of break-make deixis that has is provided, and structure arranges rationally, stable and reliable operation, the overhaul of the equipments operating mechanism of residual current circuit breaker easily.
For achieving the above object, technical scheme of the present invention is to include handle operation mechanism, fixed mount, side shield, action contact frame and release, described handle operation mechanism includes handle, handle back-moving spring and the gear frame that is linked with handle, described gear frame is in transmission connection with action contact frame and cooperates, described release includes the dropout push rod, it is characterized in that: also include gear spare, snap frame, the snap frame back-moving spring, break-make indication frame and restoring board, described gear spare is hinged on an end of gear frame, and this gear spare projected side wall is provided with gear spare clamp, described snap frame rotates and is arranged on the fixed mount, and this snap frame is provided with the snap frame that cooperates with gear spare clamp locking clamping and colludes plate, described restoring board rotates and is arranged on the fixed mount, and this restoring board cooperates with dropout push rod pushing tow, described snap frame is provided with the snap frame pressing plate, this snap frame pressing plate is pressed and is arranged on the restoring board, be set with shift fork on the described action contact frame, described break-make indication frame and restoring board coaxial rotation are arranged on the fixed mount, fixedly install the break-make indicator board that cooperates with break-make indication frame unitary rotation on this break-make indication frame, described fixed mount is provided with the break-make indication observation window with break-make indicator board corresponding matching, described break-make indication frame also is set with and the break-make indication frame pressing plate of restoring board by interference fit, also be provided with break-make indication frame rotation axis on the described break-make indication frame to the rotating shaft of dialling of parallel interval, this group rotating shaft and shift fork are dialled changes the setting that is linked.By this setting, adopted break-make indication frame to show on off operating mode, (1) in initial condition, residual current circuit breaker is in off-state, at this moment, the operator can directly observe break-make from break-make indication observation window and indicate the position of the break-make indicator board of frame to judge whether to be in off-state, (2) in on-state, drive gear frame and action contact frame (moving contact of residual current circuit breaker is installed on the action contact frame) by operating grip, make when residual current circuit breaker is in on-state, in this process, the shift fork of action contact frame drives break-make indication frame and rotates, thereby the position when making the break-make indicator board of break-make indication frame depart from off-state, the operator can judge whether to connect accordingly; Simultaneously, the break-make indication frame pressing plate of break-make indication frame is pressed in restoring board on the dropout push rod of release, makes the dropout push rod of release be in the state of electric leakage, and simultaneously, the snap frame pressing plate of snap frame is crimped on the restoring board under the effect of snap frame back-moving spring; When (3) leaking electricity separating brake, the dropout push rod jack-up of release, thereby restoring board is risen, and this restoring board is the snap frame pressing plate of pushing tow snap frame upwards then, thereby makes the snap frame upward direction rotate, thereby that has removed snap frame colludes plate to the locking of gear spare, thereby make handle reset at the handle back-moving spring, and make the action contact frame motion cut off circuit then, and the motion of action contact frame, drive break-make indication frame by shift fork and rotate, make break-make indication frame be in the state that indication disconnects.
Further arrange is also to include electric leakage indication frame, electric leakage indication frame back-moving spring and interlock plate, described electric leakage indication frame rotates and is arranged on the fixed mount, fixedly install the electric leakage indicator board that cooperates with the indication frame unitary rotation of leaking electricity on this electric leakage indication frame, described fixed mount is provided with the electric leakage indication observation window with the indicator board corresponding matching of leaking electricity, described gear spare is provided with and the hinged center axially parallel of gear spare and the interlock plate rotation axis of relative spacing, described interlock plate rotates and is arranged on the interlock plate rotation axis, and this gear spare is provided with the push pedal of rotating of arc relative to the side edge of the plate rotation axis that links, the sidepiece of described interlock plate is provided with and rotates the arc flange that push pedal rotation ejection cooperates, described interlock plate is provided with inverse tying plate, the sidepiece of described electric leakage indication frame be provided with cooperates with the inverse tying plate clamping electric leakage indicate the frame fixture block, be set with horizontal fin on the described electric leakage indication frame, the sidepiece of described break-make indication frame is provided with the following top rib perpendicular with dialling rotating shaft, and this time top rib cooperates with the ejection of horizontal fin.By this setting, adopt electric leakage indication frame to indicate the electric leakage state, when residual current circuit breaker was in normal condition, the operator can directly judge whether to be in off-state from the position that electric leakage indicates observation window to observe the electric leakage indicator board of electric leakage indication frame (1); When (2) electric leakage takes place, the dropout push rod jack-up of release, thereby restoring board is risen, this restoring board is the snap frame pressing plate of pushing tow snap frame upwards then, thereby make the snap frame upward direction rotate, thereby that has removed snap frame colludes plate to the locking of gear spare, thereby make handle reset at the handle back-moving spring, and make the action contact frame motion cut off circuit then, and the motion of action contact frame, driving break-make indication frame by shift fork rotates, make break-make indication frame be in the state that indication disconnects, and the rotation of gear spare simultaneously drives interlock plate spinning movement and make electric leakage indication frame collude plate to the latch-release of interlock plate, is rotated counterclockwise under the torsion spring active force to the position of indication electric leakage state again; (3) after electric leakage disconnected and finishing, when operating grip closed a floodgate again, action contact frame drove break-make indication frame and rotates to on-position, and the frame of break-make indication simultaneously ejection electric leakage indication frame boss face also makes electric leakage indication frame turn and colludes the plate locking with the interlock plate, finishes homing action.
Further arrange is that described electric leakage indication frame is provided with electric leakage indication frame axle sleeve, this electric leakage indication frame rotates by electric leakage indication frame axle sleeve and is arranged on the fixed mount, and institute's described electric leakage indication frame back-moving spring is torsion spring, this torsion spring set is located at outside the electric leakage indication frame axle sleeve, and two of torsion spring cooperates with electric leakage indication frame and fixed mount withstand effect respectively.
Further arranging is also to include first connecting rod and second connecting rod, described first connecting rod rotates and is arranged on the fixed mount, and this first connecting rod is provided with the first connecting rod shift fork, first side wing and second side wing that described second connecting rod includes the second connecting rod axle sleeve and is fixedly set in second connecting rod axle sleeve both sides, one end of described first connecting rod is provided with first side wing by the first connecting rod of the interference fit head that bears down on one, be provided with the second connecting rod back-moving spring between the bottom of described first side wing and fixed mount, described snap frame is provided with and the snap frame press section of second side wing by interference fit.By this setting, when the applied residual current circuit breaker of the present invention cooperates auxiliary switch to use, when system does not have the electric leakage state, outside auxiliary switch kick drives the shift fork of first connecting rod, thereby make first connecting rod rotate, first connecting rod acts on second connecting rod then, thereby make and lift on second side wing of second connecting rod, thereby make the power that the snap frame press section is subjected to lifting, make latch-release between snap frame and the gear spare, gear spare loses confining force, and mechanism's pinning force lost efficacy, and mechanism's separating brake resets.Therefore the application has also realized need not the butt joint of auxiliary switch state to arrange circuit and connect by the mode that adopts mechanical connection, has therefore that structure arranges rationally, stable and reliable operation, overhauls advantage easily.
Further arrange is that the snap frame press section is to be connected in snap frame to collude transverse slat between plate and the snap frame pressing plate.
Further arranging is that described gear spare is arranged on the gear frame by rivet is hinged.
Further arranging is also to include first connecting axle, and this first connecting axle becomes " ］ " shape, and the two ends of this first connecting axle are hinged with the middle part of the afterbody of handle and gear frame respectively and constitute being linked of handle and gear frame.
Further arranging is also to include second connecting axle, is set with the interlock axis hole that is linked with second connecting axle on the sidepiece of described action contact frame.
Further arranging is that the handle back-moving spring is torsion spring, and the two ends of this torsion spring cooperate respectively at handle and side shield butt.
Further arranging is that described snap frame back-moving spring and second connecting rod back-moving spring are stage clip.
Advantage of the present invention is that the mode that adopts mechanical connection has realized on off operating mode, the indication of the state that leaks electricity, simultaneously also can with the auxiliary switch interoperation, need not to arrange extra circuit and connect, have therefore that structure arranges rationally, stable and reliable operation, overhaul advantage easily.
Below in conjunction with specification drawings and specific embodiments the present invention is done further introduction.
Description of drawings
The three-dimensional axonometric drawing of Fig. 1 specific embodiment of the invention;
Fig. 2 specific embodiment of the invention structure explosive view;
Fig. 3 specific embodiment of the invention gate-dividing state front view;
Fig. 4 specific embodiment of the invention gate-dividing state reverse view;
H is to view for Fig. 5 specific embodiment of the invention;
Fig. 6 specific embodiment of the invention "on" position front view;
Fig. 7 specific embodiment of the invention "on" position reverse view;
Fig. 8 break-make indication frame stereogram;
Fig. 9 partial structurtes cutaway view of the present invention.
Embodiment
Carry out concrete description below by the present invention of embodiment; only be used for the present invention is further specified; can not be interpreted as the restriction to protection range of the present invention, the technician in this field can make some nonessential improvement and adjustment to the present invention according to the content of foregoing invention.
The specific embodiment of the present invention shown in Fig. 1-9, include handle operation mechanism, fixed mount 1, side shield 2, action contact frame 3 and release 4, described handle operation mechanism includes handle 51, handle back-moving spring 52 and the gear frame 53 that is linked with handle, this handle back-moving spring 52 of present embodiment is torsion spring, the two ends of this torsion spring cooperate respectively at handle 51 and side shield 2 butts, in addition, also include first connecting axle 54, this first connecting axle 54 one-tenth " ］ " shape, and the two ends of this first connecting axle 54 are hinged with the middle part of the afterbody of handle 51 and gear frame 53 respectively and constitute being linked of handle 51 and gear frame 53.
In addition, present embodiment also includes second connecting axle 55, be set with the interlock axis hole 31 that is linked with second connecting axle 55 on the sidepiece of described action contact frame 3, constituting described gear frame 53 is in transmission connection with action contact frame 3 and cooperates, described release 4 includes dropout push rod 41, the used release 4 of present embodiment is the conventional accessory in this area, can directly buy from the market, this release 4 is steelyard slepsydra electricity release also, in addition, present embodiment also includes gear spare 61, snap frame 62, snap frame back-moving spring 63, break-make indication frame 64 and restoring board 65, described gear spare 61 is hinged on an end of gear frame 53 by rivet 9, and this gear spare 61 projected side walls are provided with gear spare clamp 611, described snap frame 62 rotates and is arranged on the fixed mount 1, and this snap frame 62 is provided with the snap frame that cooperates with the 61 locking clampings of gear spare clamp and colludes plate 621, described restoring board 65 rotates and is arranged on the fixed mount 1, and this restoring board 65 cooperates with dropout push rod 41 pushing tows, described snap frame 62 is provided with snap frame pressing plate 622, this snap frame pressing plate 622 is pressed and is arranged on the restoring board 65, be set with shift fork 32 on the described action contact frame 3, described break-make indication frame 64 is arranged on the fixed mount 1 with restoring board 65 coaxial rotation, fixedly install the break-make indicator board 641 that cooperates with break-make indication frame 64 unitary rotation on this break-make indication frame 64, described fixed mount 1 is provided with the break-make indication observation window 11 with break-make indicator board 641 corresponding matching, described break-make indication frame 64 also is set with and the break-make indication frame pressing plate 642 of restoring board 65 by interference fit, also be provided with break-make indication frame rotation axis on the described break-make indication frame 64 and dial rotating shaft 643, this group rotating shaft 643 and 32 groups of commentaries on classics of shift fork setting that is linked to parallel interval.
In order to make realization to the indication of electric leakage state, present embodiment is also to include electric leakage indication frame 71, electric leakage indication frame back-moving spring 72 and interlock plate 73, described electric leakage indication frame 71 rotates and is arranged on the fixed mount 1, fixedly install the electric leakage indicator board 711 that cooperates with the indication frame unitary rotation of leaking electricity on this electric leakage indication frame 71, described fixed mount 1 is provided with the electric leakage indication observation window with indicator board 711 corresponding matching of leaking electricity, described gear spare 61 is provided with and the hinged center axially parallel of gear spare 61 and the interlock plate rotation axis 612 of relative spacing, described interlock plate 73 rotates and is arranged on the interlock plate rotation axis 612, and this gear spare 61 rotates push pedal 613 relative to the side of interlock plate rotation axis 612 along what be provided with arc, the sidepiece of described interlock plate 73 is provided with and rotates the arc flange 731 that push pedal 613 rotation ejections cooperate, this arc flange 731 and rotation push pedal 613 matching relationships are as shown in Figure 9, described interlock plate 73 is provided with inverse tying plate 732, the sidepiece of described electric leakage indication frame 71 be provided with cooperates with the inverse tying plate clamping electric leakage indicate frame fixture block 712, be set with horizontal fin 713 on the described electric leakage indication frame 71, the sidepiece of described break-make indication frame 64 is provided with the following top rib 644 perpendicular with dialling rotating shaft, this time top rib 644 cooperates with the ejection of horizontal fin 713, the described electric leakage indication of present embodiment frame 71 is provided with electric leakage indication frame axle sleeve 714, this electric leakage indication frame 71 rotates by electric leakage indication frame axle sleeve 714 and is arranged on the fixed mount, and institute's described electric leakage indication frame back-moving spring 72 is torsion spring, this torsion spring set is located at outside the electric leakage indication frame axle sleeve, and two of torsion spring cooperates with electric leakage indication frame 71 and fixed mount 1 withstand effect respectively.
In order to realize that the present invention can cooperate auxiliary switch to finish and close a floodgate and the separating brake action, present embodiment also includes first connecting rod 81 and second connecting rod 82, described first connecting rod 81 rotates and is arranged on the fixed mount 1, and this first connecting rod 81 is provided with first connecting rod shift fork 811, first side wing 822 and second side wing 823 that described second connecting rod 82 includes second connecting rod axle sleeve 821 and is fixedly set in second connecting rod axle sleeve both sides, one end of described first connecting rod 81 is provided with first side wing 822 and bears down on one 812 by the first connecting rod of interference fit, be provided with second connecting rod back-moving spring 83 between the bottom of described first side wing 822 and fixed mount 1, described snap frame 62 is provided with and the snap frame press section 623 of second side wing 823 by interference fit.Transverse slat between plate 621 and the snap frame pressing plate 622 is colluded for being connected in snap frame in this snap frame press section of present embodiment 623.
In addition, the described snap frame back-moving spring 63 of present embodiment and second connecting rod back-moving spring 83 are stage clip.
Claims (10)
1. the operating mechanism of a residual current circuit breaker, include handle operation mechanism, fixed mount, side shield, action contact frame and release, described handle operation mechanism includes handle, handle back-moving spring and the gear frame that is linked with handle, described gear frame is in transmission connection with action contact frame and cooperates, described release includes the dropout push rod, it is characterized in that: also include gear spare, snap frame, the snap frame back-moving spring, break-make indication frame and restoring board, described gear spare is hinged on an end of gear frame, and this gear spare projected side wall is provided with gear spare clamp, described snap frame rotates and is arranged on the fixed mount, and this snap frame is provided with the snap frame that cooperates with gear spare clamp locking clamping and colludes plate, described restoring board rotates and is arranged on the fixed mount, and this restoring board cooperates with dropout push rod pushing tow, described snap frame is provided with the snap frame pressing plate, this snap frame pressing plate is pressed and is arranged on the restoring board, be set with shift fork on the described action contact frame, described break-make indication frame and restoring board coaxial rotation are arranged on the fixed mount, fixedly install the break-make indicator board that cooperates with break-make indication frame unitary rotation on this break-make indication frame, described fixed mount is provided with the break-make indication observation window with break-make indicator board corresponding matching, described break-make indication frame also is set with and the break-make indication frame pressing plate of restoring board by interference fit, also be provided with the rotating shaft of dialling of indicating frame pivot center parallel interval with break-make on the described break-make indication frame, this group rotating shaft and shift fork are dialled changes the setting that is linked.
2. the operating mechanism of a kind of residual current circuit breaker according to claim 1, it is characterized in that: also include electric leakage indication frame, electric leakage indication frame back-moving spring and interlock plate, described electric leakage indication frame rotates and is arranged on the fixed mount, fixedly install the electric leakage indicator board that cooperates with the indication frame unitary rotation of leaking electricity on this electric leakage indication frame, described fixed mount is provided with the electric leakage indication observation window with the indicator board corresponding matching of leaking electricity, described gear spare is provided with and the hinged center axially parallel of gear spare and the interlock plate rotation axis of relative spacing, described interlock plate rotates and is arranged on the interlock plate rotation axis, and this gear spare is provided with the push pedal of rotating of arc relative to the side edge of the plate rotation axis that links, the sidepiece of described interlock plate is provided with and rotates the arc flange that push pedal rotation ejection cooperates, described interlock plate is provided with inverse tying plate, the sidepiece of described electric leakage indication frame be provided with cooperates with the inverse tying plate clamping electric leakage indicate the frame fixture block, be set with horizontal fin on the described electric leakage indication frame, the sidepiece of described break-make indication frame is provided with the following top rib perpendicular with dialling rotating shaft, and this time top rib cooperates with the ejection of horizontal fin.
3. the operating mechanism of a kind of residual current circuit breaker according to claim 2, it is characterized in that: described electric leakage indication frame is provided with electric leakage indication frame axle sleeve, this electric leakage indication frame rotates by electric leakage indication frame axle sleeve and is arranged on the fixed mount, and described electric leakage indication frame back-moving spring is torsion spring, this torsion spring set is located at outside the electric leakage indication frame axle sleeve, and two of torsion spring cooperates with electric leakage indication frame and fixed mount withstand effect respectively.
4. the operating mechanism of a kind of residual current circuit breaker according to claim 2, it is characterized in that: also include first connecting rod and second connecting rod, described first connecting rod rotates and is arranged on the fixed mount, and this first connecting rod is provided with the first connecting rod shift fork, first side wing and second side wing that described second connecting rod includes the second connecting rod axle sleeve and is fixedly set in second connecting rod axle sleeve both sides, one end of described first connecting rod is provided with first side wing by the first connecting rod of the interference fit head that bears down on one, be provided with the second connecting rod back-moving spring between the bottom of described first side wing and fixed mount, described snap frame is provided with and the snap frame press section of second side wing by interference fit.
5. the operating mechanism of a kind of residual current circuit breaker according to claim 4 is characterized in that: described snap frame press section is to be connected in snap frame to collude transverse slat between plate and the snap frame pressing plate.
6. the operating mechanism of a kind of residual current circuit breaker according to claim 1, it is characterized in that: described gear spare is arranged on the gear frame by rivet is hinged.
7. the operating mechanism of a kind of residual current circuit breaker according to claim 1, it is characterized in that: also include first connecting axle, this first connecting axle becomes " ］ " shape, and the two ends of this first connecting axle are hinged with the middle part of the afterbody of handle and gear frame respectively and constitute being linked of handle and gear frame.
8. the operating mechanism of a kind of residual current circuit breaker according to claim 1 is characterized in that: also include second connecting axle, be set with the interlock axis hole that is linked with second connecting axle on the sidepiece of described action contact frame.
9. the operating mechanism of a kind of residual current circuit breaker according to claim 1, it is characterized in that: the handle back-moving spring is torsion spring, the two ends of this torsion spring cooperate respectively at handle and side shield butt.
10. the operating mechanism of a kind of residual current circuit breaker according to claim 4, it is characterized in that: described snap frame back-moving spring and second connecting rod back-moving spring are stage clip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110150947 CN102280320B (en) | 2011-06-07 | 2011-06-07 | Operating mechanism of leakage circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110150947 CN102280320B (en) | 2011-06-07 | 2011-06-07 | Operating mechanism of leakage circuit breaker |
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| Publication Number | Publication Date |
|---|---|
| CN102280320A CN102280320A (en) | 2011-12-14 |
| CN102280320B true CN102280320B (en) | 2013-07-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201110150947 Active CN102280320B (en) | 2011-06-07 | 2011-06-07 | Operating mechanism of leakage circuit breaker |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102010032828B4 (en) * | 2010-07-30 | 2021-12-02 | Siemens Aktiengesellschaft | Switching device, in particular circuit breaker with toggle lever |
| CN113140978B (en) * | 2021-04-30 | 2022-08-05 | 金静 | Based on thing networking intelligent distribution box for distribution facility |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2706857Y (en) * | 2004-04-30 | 2005-06-29 | 保定市蓝博电子电器有限公司 | Small circuit breaker with isolation function |
| CN200976336Y (en) * | 2006-11-17 | 2007-11-14 | 郑建业 | Creepage breaker having on-off indicating equipment |
| CN101923992A (en) * | 2010-08-20 | 2010-12-22 | 上海电科电器科技有限公司 | Control and protection switch operating mechanism for electrical appliances |
| CN202067743U (en) * | 2011-06-07 | 2011-12-07 | 浙江科都电气制造有限公司 | Operation mechanism of electric leakage breaker |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7358838B2 (en) * | 2006-02-24 | 2008-04-15 | Eaton Corporation | Electrical switching apparatus and trip indicator therefor |
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2011
- 2011-06-07 CN CN 201110150947 patent/CN102280320B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2706857Y (en) * | 2004-04-30 | 2005-06-29 | 保定市蓝博电子电器有限公司 | Small circuit breaker with isolation function |
| CN200976336Y (en) * | 2006-11-17 | 2007-11-14 | 郑建业 | Creepage breaker having on-off indicating equipment |
| CN101923992A (en) * | 2010-08-20 | 2010-12-22 | 上海电科电器科技有限公司 | Control and protection switch operating mechanism for electrical appliances |
| CN202067743U (en) * | 2011-06-07 | 2011-12-07 | 浙江科都电气制造有限公司 | Operation mechanism of electric leakage breaker |
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| CN102280320A (en) | 2011-12-14 |
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Address after: 325600 Zhejiang city of Wenzhou province Yueqing City Puqi Town Industrial Zone Applicant after: Kedu Electric Co., Ltd. Address before: 325600 Zhejiang city of Wenzhou province Yueqing City Puqi Town Industrial Zone Applicant before: Zhejiang Kedu Electric Manufacturing Co., Ltd. |
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Address after: 325608 Puqi Industrial Zone, Hongqiao Town, Leqing City, Wenzhou City, Zhejiang Province Patentee after: Kedu Electric Co.,Ltd. Address before: 325600 Puqi Town Industrial Zone, Yueqing City, Wenzhou City, Zhejiang Province Patentee before: KEDU ELECTRIC Co.,Ltd. |
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