CN101740268B - Electromagnetic relay with lock mechanism - Google Patents

Electromagnetic relay with lock mechanism Download PDF

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Publication number
CN101740268B
CN101740268B CN2008101809075A CN200810180907A CN101740268B CN 101740268 B CN101740268 B CN 101740268B CN 2008101809075 A CN2008101809075 A CN 2008101809075A CN 200810180907 A CN200810180907 A CN 200810180907A CN 101740268 B CN101740268 B CN 101740268B
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China
Prior art keywords
bridge plate
dropout frame
contact
assembly
dropout
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CN2008101809075A
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Chinese (zh)
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CN101740268A (en
Inventor
郑春开
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Kedu Electric Co Ltd
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郑春开
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Priority to CN2008101809075A priority Critical patent/CN101740268B/en
Priority to EP09014290.2A priority patent/EP2187419B1/en
Priority to ES09014290T priority patent/ES2738528T3/en
Priority to HUE09014290A priority patent/HUE045550T2/en
Priority to PL09014290T priority patent/PL2187419T3/en
Publication of CN101740268A publication Critical patent/CN101740268A/en
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Publication of CN101740268B publication Critical patent/CN101740268B/en
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Abstract

The invention relates to an electromagnetic relay with a lock mechanism, comprising a shell (1), a panel assembly (2) buckled on the shell (1), an electromagnetic drive assembly (3) installed in the shell (1), a kick mechanism (4) and a contact assembly (5). The electromagnetic drive assembly (3) drives the contact assembly (5) to act via the kick mechanism (4); the kick mechanism (4) comprises a drive member for driving the contact assembly (5) to act and a lock member for locking the drive member; and the electromagnetic drive assembly (3) drives the lock member to work. The invention has the advantages of contact stabilization of the contact assembly, large-current flowing, flexibility and reliability.

Description

A kind of electromagnetic relay that has locking mechanism
Technical field
The present invention relates to a kind of electromagnetic equipment, relate in particular to a kind of electromagnetic relay.
Background technology
Electromagnetic relay of the prior art generally is directly to drive the moving contact motion by electromagnetic assembly, and moving contact is contacted with fixed contact.Conventional electromagnetic relay mainly is by housing, is installed in electromagnetic assembly and contact assembly in the housing, and wherein electromagnetic assembly drives the contact assembly action, makes that moving contact and the fixed contact in the contact assembly connected.In some electromagnetic relays therein, also be provided with panel assembly, control the action of contact assembly through the button on the panel assembly.Therefore, be directly to drive the contact assembly action at the electromagnetic relay of routine through electromagnetic assembly, when the needs contact circulates big electric current, then to increase the contact force between the contact assembly, promptly to increase the suction of electromagnetic assembly.But after increasing the suction of contact assembly, electromagnetic assembly just can break off when receiving current fluctuation greatly, and electromagnetic relay sensitivity is not high.In addition, electromagnetic assembly is received the influence of current fluctuation, makes that the contact between the contact assembly can't be in stable state all the time, influences the circulation of electric current, also causes easily to take place between the contact assembly to wear out, and influences electric property.
Summary of the invention
Technical problem to be solved by this invention is to overcome the deficiency of above-mentioned prior art, and a kind of contact assembly contact stabilization, big current flowing, the sensitive electromagnetic relay that has locking mechanism reliably are provided.
According to a kind of electromagnetic relay that has locking mechanism provided by the invention; Comprise a housing, be installed in electromagnetic drive component, kick mechanism and contact assembly in the said housing; Said electromagnetic drive component drives said contact assembly action through said kick mechanism; Said kick mechanism comprises driver part that drives said contact assembly action and the Lock Part that said driver part is locked, and said electromagnetic drive component drives said Lock Part action.
Also have following attached technical characterictic according to a kind of electromagnetic relay that has locking mechanism provided by the invention:
Said kick mechanism comprises a holder, is installed in bridge plate and dropout frame on the said holder; Said dropout frame can lock said bridge plate; The part of said bridge plate matches with said contact assembly; Drive said contact assembly action, the part of said dropout frame matches with said electromagnetic drive component, drives said dropout frame action by said electromagnetic drive component.
Said bridge plate is installed in rotation on the top of said holder through the bridge plate bearing pin, thereby said bridge plate is divided into bridge plate head and bridge plate afterbody, and said bridge plate head matches with said contact assembly; Said dropout frame is installed in rotation on the top of said holder through the locking bearing pin, thereby said dropout frame is divided into dropout frame head and dropout frame afterbody, and said dropout frame afterbody matches with said electromagnetic drive component.
The middle part of said dropout frame is formed with grab, is formed with fixture block on the said bridge plate, and said dropout frame and said bridge plate are in rotation process, and said fixture block snaps in the said grab, rotates thereby make said dropout frame limit said bridge plate.
On the said dropout frame resetting device is installed, said resetting device drives said dropout frame and rotates around said locking bearing pin.
Also include one be installed in said case top panel assembly; Said panel assembly comprises panel, is installed in start button and stop button on the said panel; Said start button matches with the bridge plate afterbody of said bridge plate; Promote said bridge plate and rotate around said bridge plate bearing pin, said stop button matches with the dropout frame head of said dropout frame, promotes said dropout frame and rotates around said locking bearing pin.
Said electromagnetic drive component comprises solenoid, by the armature of said solenoid adhesive with spur the extension spring that said armature resets, said armature matches with the dropout frame head of said dropout frame.
Said contact assembly comprises the fixed contact holder that is fixed in the said housing, be fixed on fixed contact on the said fixed contact holder, be installed in the said fixed contact holder and slide plate and be installed in the moving contact on the said slide plate slidably; The bridge plate afterbody of said bridge plate matches with said slide plate; Drive said slide plate slides, said moving contact and said fixed contact are contacted.
On the said slide plate back-moving spring is installed, support spring is installed below each said moving contact.
On said start button and/or the said stop button feel mechanism is installed.
Compared with prior art have following advantage according to a kind of electromagnetic relay that has locking mechanism provided by the invention: at first, contact assembly of the present invention drives through driver part, and driver part locks through Lock Part; The action of electromagnetic drive component driven locking parts, thereby controlling and driving parts action indirectly, therefore; Driver part can apply bigger power to contact assembly; Make contact assembly have bigger contact force, satisfy the requirement of big electric current, simultaneously; Electromagnetic drive component need not bigger power and can move by the driven locking parts; Discharge driver part with this, need not to be provided with electromagnetic drive component, improved sensitivity of the present invention with big magnetic force; Secondly, the structure that the fixture block of the present invention through grab on the dropout frame and bridge plate matches locks, and is simple in structure, easy to use.
Description of drawings
Fig. 1 is a stereogram of the present invention.
Fig. 2 is a three-dimensional exploded view of the present invention.
Fig. 3 is the closure state sketch map that removes housing and panel assembly of the present invention.
Fig. 4 is the open mode sketch map that removes housing and panel assembly of the present invention.
Fig. 5 is the stereogram that removes the open mode of housing of the present invention.
Fig. 6 is the three-dimensional cutaway view of open mode of the present invention.
Fig. 7 is the stereogram that removes the closure state of housing of the present invention.
Fig. 8 is the right view of Fig. 3.
Fig. 9 is the three-dimensional exploded view of kick of the present invention mechanism.
Figure 10 is the stereogram of housing of the present invention.
Figure 11 is the three-dimensional exploded view of contact assembly of the present invention.
Figure 12 is the three-dimensional exploded view of electromagnetic assembly of the present invention.
Figure 13 is the three-dimensional exploded view of button of the present invention.
Embodiment
Referring to Fig. 1 and Fig. 2; A kind of embodiment that has the electromagnetic relay of locking mechanism that provides in the present invention; Comprise a housing 1, be installed in electromagnetic drive component 3, kick mechanism 4 and contact assembly 5 in the said housing 1; Said electromagnetic drive component 3 is through said contact assembly 5 actions of said kick mechanism's 4 drivings; Said kick mechanism 4 comprises driver part that drives said contact assembly 5 actions and the Lock Part that said driver part is locked, and said electromagnetic drive component 3 drives said Lock Part action.Driver part among the present invention is used for 5 motions of contact-actuating assembly, and contact assembly 5 is switched on or switched off.And Lock Part is used for making it be in stable state the driver part locking, thereby realizes the Long contact time of contact assembly 5.Electromagnetic drive component 3 of the present invention is not directly to drive driver part motion and the action of directly controlling contact assembly 5, and electromagnetic drive component 3 is the actions of driven locking parts, through the indirect controlling and driving parts action of Lock Part.Therefore, said driver part can not receive the influence of electromagnetic drive component 3 to the size of contact assembly 5 applied forces, i.e. the suction size of electromagnetic drive component 3 contact force of influencing contactor assembly 5 not.Like this, the driver part among the present invention can apply bigger power to contact assembly 5, satisfies the needs of the big electric current of contact assembly 5 circulations with this.Because Lock Part can make driver part be in stable state, therefore, the contact of contact assembly 5 is more steady, and it can not receive the influence of current fluctuation.The global reliability and the fail safe of product are provided, have prolonged useful life.Electromagnetic drive component 3 is for the driving of Lock Part; Lock Part and driver part are in lock and discharge two kinds of operating states; And the actuating force of 3 pairs of Lock Parts of electromagnetic drive component can be adjusted arbitrarily; Not limited by the performance requirement of contact assembly 5, make the sensitivity of product to adjust arbitrarily, satisfy the products of different specifications demand.
Referring to Fig. 2 to Fig. 9; In the foregoing description that the present invention provides, said kick mechanism 4 comprises a holder 41, is installed in bridge plate 42 and dropout frame 43 on the said holder 41, and said dropout frame 43 can lock said bridge plate 42; The part of said bridge plate 42 matches with said contact assembly 5; Drive said contact assembly 5 actions, the part of said dropout frame 43 matches with said electromagnetic drive component 3, drives said dropout frame 43 actions by said electromagnetic drive component 3.Wherein, said bridge plate 42 belongs to driver part, and said dropout frame 43 belongs to Lock Part.
Referring to Fig. 3, Fig. 4, Fig. 9 and Figure 11; In the foregoing description that the present invention provides; Said bridge plate 42 is installed in rotation on the top of said holder 41 through bridge plate bearing pin 421; Thereby said bridge plate 42 is divided into bridge plate head 422 and bridge plate afterbody 423, and said bridge plate head 422 matches with said contact assembly 5.In the said structure, said bridge plate head 422 and bridge plate afterbody 423 lay respectively at the both sides of said bridge plate bearing pin 421, so that said bridge plate head 422 rotates around said bridge plate bearing pin 421 with bridge plate afterbody 423.
Referring to Fig. 3, Fig. 4, Fig. 9 and Figure 11; In the foregoing description that the present invention provides; Said dropout frame 43 is installed in rotation on the top of said holder 41 through locking bearing pin 431; Thereby said dropout frame 43 is divided into dropout frame head 432 and dropout frame afterbody 433, and said dropout frame afterbody 433 matches with said electromagnetic drive component 3.In the said structure, said dropout frame head 432 and dropout frame afterbody 433 lay respectively at the both sides of said locking bearing pin 431, so that said dropout frame head 432 rotates around said locking bearing pin 431 with dropout frame afterbody 433.Bridge plate bearing pin 421 among the present invention is adjacent with said locking bearing pin 431, and oblique setting guarantees that so said bridge plate 42 is not concentric rotation with dropout frame 43.
Referring to Fig. 3, Fig. 4, Fig. 9 and Figure 11, in the foregoing description that the present invention provides, the middle part of said dropout frame 43 is formed with grab 434, and said grab 434 extends upward a segment distance from the middle part of said dropout frame 43, forms a hook portion then in the end.Be formed with fixture block 424 on the said bridge plate 42, said fixture block 424 is yearned for the extension certain distance near bridge plate afterbody 423 places of said bridge plate 42, also is formed with a hook portion in the end, and said grab 434 is stuck on the extension of said fixture block 424.The hook portion of said fixture block 424 plays spacing effect.Said dropout frame 43 and said bridge plate 42 are in rotation process, and said fixture block 424 snaps in the said grab 434, thereby the said bridge plate 42 of said dropout frame 43 restrictions is rotated.The present invention is provided with said structure, can make said dropout frame 43 with said bridge plate 42 lockings, and it can not be rotated further, and the place reaches stable state at certain position.When dropout frame 43 was driven, the said grab 434 on it together moved, thereby said fixture block 424 is deviate from from said grab 434.Make the locking that said dropout frame 43 is removed said bridge plate 42, said bridge plate 42 is free to rotate again.
Referring to Fig. 3, Fig. 4 and Fig. 9, in the foregoing description that provides of the present invention, on the said dropout frame 43 resetting device 435 is installed, said resetting device 435 drives said dropout frame 43 and rotates around said locking bearing pin 431.Said resetting device 435 is a spring, and said torsion spring set is contained on the convexity at bridge plate middle part, and said convexity plays the effect of location to spring.An other end of said spring leans the top at holder 41; Said spring can promote to thread off frame 43 rotates; When 42 motions of said bridge plate, said dropout frame 43 can accompany movement under the effect of resetting device 435, and the grab 434 on it can be matched with said fixture block 424.
Referring to Fig. 1, Fig. 2, Fig. 5, Fig. 6 and Fig. 7; In the foregoing description that the present invention provides; Also include one be installed in said housing 1 top panel assembly 2; Said panel assembly 2 comprises panel 21, is installed in start button 22 and stop button 23 on the said panel 21, and said start button 22 matches with the bridge plate afterbody 423 of said bridge plate 42, promotes said bridge plate 42 and rotates around said bridge plate bearing pin 421; Said stop button 23 matches with the dropout frame head 432 of said dropout frame 43, promotes said dropout frame 43 and rotates around said locking bearing pin 431.Said panel assembly 2 is set can realizes the manual control to relay, the convenient use improved fail safe.
Referring to Fig. 3 to Fig. 7, Figure 12; In the foregoing description that the present invention provides; Said electromagnetic drive component 3 comprises solenoid 31, by the armature 32 of said solenoid 31 adhesives with spur the extension spring 33 that said armature 32 resets; Said armature 32 matches with the dropout frame head 432 of said dropout frame 43, and the pulling force of said extension spring 33 is greater than the reseting elasticity of said resetting device 435.In the said structure that the present invention provides, after said solenoid 31 adhesives, its suction-combining force is greater than the pulling force of said extension spring 33, thereby makes said armature 32 keep attracting state.Behind said solenoid 31 disconnected magnetic, said armature 32 will reset under the pulling of said extension spring 33, thereby can drive dropout frame afterbody 433 motions of said dropout frame 43, the locking that said dropout frame 43 is removed said bridge plate 42.
Referring to Fig. 3 to Fig. 7, Figure 11; In the foregoing description that the present invention provides; Said contact assembly 5 comprises the fixed contact holder 51 that is fixed in the said housing 1, be fixed on fixed contact 52 on the said fixed contact holder, be installed in the said fixed contact holder 51 and slide plate 53 and be installed in the moving contact 54 on the said slide plate 53 slidably; The bridge plate afterbody 423 of said bridge plate 42 matches with said slide plate 53; Drive said slide plate 53 and slide, said moving contact 54 is contacted with said fixed contact 52.On the said slide plate 53 back-moving spring 55 is installed, an end of said back-moving spring 55 leans in the bottom of said slide plate 53, and an other end leans the top at said fixed contact holder 51.When said slide plate 53 moves upward, will compress said back-moving spring 55.Support spring 56 is installed below each said moving contact 54.Said fixed contact holder 51 is fixed together with said holder 41.A slot 531 is formed on the top of said slide plate 53, and the bridge plate head 422 of said bridge plate 42 inserts in the said slot 531, slides up and down thereby make said bridge plate 42 can drive said slide plate 53.When said bridge plate 42 rotated, the bridge plate head 422 of said bridge plate 42 drove said slide plate 53 and upwards slides, and said moving contact 54 is contacted with said fixed contact 52.After said bridge plate 42 was unlocked, said back-moving spring 55 will drive said slide plate 53 to lower slider, thereby said moving contact 54 is separated with said fixed contact 52.Said support spring 56 plays the effect of support, guarantees that said moving contact 54 can slide up and down, thereby makes things convenient for moving contact and fixed contact to be in contact with one another.In the present embodiment, provided the scheme that has many group moving contacts and fixed contact simultaneously, each is organized the contact and sets gradually up and down, through slide plate 53 unified control conductings.
Referring to Fig. 2 and Figure 10; In the foregoing description that the present invention provides; Said housing 1 is made up of two parts 11,12, and one of them part 11 is to have numerous jacks 13, is used to hold contact assembly; External connection line stretches in the relay through jack 13, thereby connecting line is connected on the said fixed contact 52.
Referring to Fig. 8 and Figure 13, in the foregoing description that the present invention provides, on said start button 22 and/or the said stop button 21 feel structure 221 is installed; Said feel structure 221 comprises two balls 2211 and the spring 2212 that leans two balls; Be provided with step in start button 22 and the stop button 21, when said ball moves downward, can pass through from step; Produce kick, the feel when the increase user presses.

Claims (8)

1. electromagnetic relay that has locking mechanism; Comprise a housing (1), be installed in electromagnetic drive component (3), kick mechanism (4) and contact assembly (5) in the said housing (1); Said electromagnetic drive component (3) drives said contact assembly (5) action through said kick mechanism (4); It is characterized in that: said kick mechanism (4) comprises a holder (41), is installed in bridge plate (42) and dropout frame (43) on the said holder (41); Said dropout frame (43) can lock said bridge plate (42), and said bridge plate (42) is installed in rotation on the top of said holder (41) through bridge plate bearing pin (421), thereby said bridge plate (42) is divided into bridge plate head (422) and bridge plate afterbody (423); Said bridge plate head (422) matches with said contact assembly (5), drives said contact assembly (5) action; Said dropout frame (43) is installed in rotation on the top of said holder (41) through locking bearing pin (431); Thereby said dropout frame (43) is divided into dropout frame head (432) and dropout frame afterbody (433); Said dropout frame afterbody (433) matches with said electromagnetic drive component (3), drives said dropout frame (43) action by said electromagnetic drive component (3).
2. a kind of electromagnetic relay that has locking mechanism as claimed in claim 1; It is characterized in that: the middle part of said dropout frame (43) is formed with grab (434); Be formed with fixture block (424) on the said bridge plate (42); Said dropout frame (43) and said bridge plate (42) are in rotation process, and said fixture block (424) snaps in the said grab (434), rotate thereby make said dropout frame (43) limit said bridge plate (42).
3. a kind of electromagnetic relay that has locking mechanism as claimed in claim 2 is characterized in that: resetting device (435) is installed on the said dropout frame (43), and said resetting device (435) drives said dropout frame (43) and rotates around said locking bearing pin (431).
4. a kind of electromagnetic relay that has locking mechanism as claimed in claim 1; It is characterized in that: also include one be installed in said housing (1) top panel assembly (2); Said panel assembly (2) comprises panel (21), is installed in start button (22) and stop button (23) on the said panel (21); Said start button (22) matches with the bridge plate afterbody (423) of said bridge plate (42); Promote said bridge plate (42) and rotate around said bridge plate bearing pin (421), said stop button (23) matches with the dropout frame head (432) of said dropout frame (43), promotes said dropout frame (43) and rotates around said locking bearing pin (431).
5. a kind of electromagnetic relay that has locking mechanism as claimed in claim 1; It is characterized in that: said electromagnetic drive component (3) comprises solenoid (31), by the extension spring (33) that the armature (32) of said solenoid (31) adhesive and the said armature of pulling (32) reset, and said armature (32) matches with the dropout frame head (432) of said dropout frame (43).
6. a kind of electromagnetic relay that has locking mechanism as claimed in claim 1; It is characterized in that: said contact assembly (5) comprises the fixed contact holder (51) that is fixed in the said housing (1), be fixed on fixed contact (52) on the said fixed contact holder, be installed in the said fixed contact holder (51) and slide plate (53) and be installed in the moving contact (54) on the said slide plate (53) slidably; The bridge plate afterbody (423) of said bridge plate (42) matches with said slide plate (53); Drive said slide plate (53) and slide, said moving contact (54) and said fixed contact (52) are contacted.
7. a kind of electromagnetic relay that has locking mechanism as claimed in claim 6 is characterized in that: back-moving spring (55) is installed on the said slide plate (53), support spring (56) is installed below each said moving contact (54).
8. a kind of electromagnetic relay that has locking mechanism as claimed in claim 4 is characterized in that: on said start button (22) and/or the said stop button (23) feel mechanism is installed.
CN2008101809075A 2008-11-14 2008-11-14 Electromagnetic relay with lock mechanism Active CN101740268B (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
CN2008101809075A CN101740268B (en) 2008-11-14 2008-11-14 Electromagnetic relay with lock mechanism
EP09014290.2A EP2187419B1 (en) 2008-11-14 2009-11-16 Relay-switch
ES09014290T ES2738528T3 (en) 2008-11-14 2009-11-16 Relay switch
HUE09014290A HUE045550T2 (en) 2008-11-14 2009-11-16 Relay-switch
PL09014290T PL2187419T3 (en) 2008-11-14 2009-11-16 Relay-switch

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2008101809075A CN101740268B (en) 2008-11-14 2008-11-14 Electromagnetic relay with lock mechanism

Publications (2)

Publication Number Publication Date
CN101740268A CN101740268A (en) 2010-06-16
CN101740268B true CN101740268B (en) 2012-06-27

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CN2008101809075A Active CN101740268B (en) 2008-11-14 2008-11-14 Electromagnetic relay with lock mechanism

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3842375A (en) * 1974-01-04 1974-10-15 Guardian Electric Mfg Co Electrically held three position cutout switch
US4185259A (en) * 1978-01-19 1980-01-22 Westinghouse Electric Corp. Magnetic contactor with an adjustable latch release
US5264811A (en) * 1991-09-30 1993-11-23 Uchiya Thermostat Co. Mechanical latch device and relay including the mechanical latch device
JP2000251601A (en) * 1999-03-01 2000-09-14 Fuji Electric Co Ltd Mechanical latching device for electromagnetic contactor
CN200962407Y (en) * 2006-10-26 2007-10-17 郑春开 Electromagnetic switch

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3842375A (en) * 1974-01-04 1974-10-15 Guardian Electric Mfg Co Electrically held three position cutout switch
US4185259A (en) * 1978-01-19 1980-01-22 Westinghouse Electric Corp. Magnetic contactor with an adjustable latch release
US5264811A (en) * 1991-09-30 1993-11-23 Uchiya Thermostat Co. Mechanical latch device and relay including the mechanical latch device
JP2000251601A (en) * 1999-03-01 2000-09-14 Fuji Electric Co Ltd Mechanical latching device for electromagnetic contactor
CN200962407Y (en) * 2006-10-26 2007-10-17 郑春开 Electromagnetic switch

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
JP特开2000251601A 2000.09.14

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Owner name: KEDU ELECTRIC CO., LTD.

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Address after: 325608 block C, Yueqing, Hongqiao Town, Zhejiang, China

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Address after: 325600 Puqi Industrial Zone, Hongqiao Town, Yueqing City, Wenzhou City, Zhejiang Province

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Address before: 325608 block C, Yueqing, Hongqiao Town, Zhejiang, China

Patentee before: KEDU ELECTRIC Co.,Ltd.