CN104616918A - Automatic PC-level dual-power changeover switch - Google Patents
Automatic PC-level dual-power changeover switch Download PDFInfo
- Publication number
- CN104616918A CN104616918A CN201510087371.2A CN201510087371A CN104616918A CN 104616918 A CN104616918 A CN 104616918A CN 201510087371 A CN201510087371 A CN 201510087371A CN 104616918 A CN104616918 A CN 104616918A
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- China
- Prior art keywords
- contact
- movable contact
- outlet
- power supply
- spring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H1/00—Contacts
- H01H1/58—Electric connections to or between contacts; Terminals
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H1/00—Contacts
- H01H1/12—Contacts characterised by the manner in which co-operating contacts engage
- H01H1/14—Contacts characterised by the manner in which co-operating contacts engage by abutting
- H01H1/20—Bridging contacts
- H01H1/2041—Rotating bridge
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/0005—Tap change devices
- H01H9/0016—Contact arrangements for tap changers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/0005—Tap change devices
- H01H9/0027—Operating mechanisms
- H01H9/0033—Operating mechanisms with means for indicating the selected tap or limiting the number of selectable taps
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Mechanisms For Operating Contacts (AREA)
Abstract
The invention discloses an automatic PC-level dual-power changeover switch. The changeover switch comprises a shell, a motor arranged in the shell, an operating mechanism and a contact system, wherein the motor is connected with the operating mechanism which is connected with the contact system; an operating system can realize storage transmission by combining cams with clamping pieces, the cams are linked with the moving contacts of the contact system, wire input and output terminals of the contact system are respectively arranged on both sides of the shell to realize a connection mode of entering at top and leaving at bottom, one moving wire input contact is shifted between two wire input terminals, and moving wire output contacts on both sides rotate along the moving wire input contact and are respectively connected with one wire output terminal. The changeover switch is simple in structure, convenient to connect, and steady in performance.
Description
Technical field
The present invention and a kind of double power supply automatic switching switch, especially a kind of PC level double power supply automatic switching switch.
Background technology
Double power supply automatic transfer switch to be used in electric power system, when main electricity breaks down, trouble power can being avoided to power to the load, reliably selecting again qualified power supply to drop into normal operation, to ensure that power supply is uninterrupted.The place of general use outbalance, such as hospital, airport, harbour, all rely on double power supply automatic transfer switch to power to provide continuous print.
PC level double power supply automatic transfer switch is generally encapsulated in a complete housing, its wiring is two road power supplys, the using and the reserved, for subsequent use each other, combine by by two load-break switchs superpositions and controller, there is mechanical interlocking and electrical interlock, in the dual-power transfer switch of conventional P C level, there are two groups of moving contacts, be realized by machinery and electrical interlock, prevent from running without power sources in parallel.Double power supply converting switch control device realizes motor by relatively complicated transmission stored energy mechanism to be stopped, this transmission stored energy mechanism forms primarily of rocking arm, the first rocking arm, the second rocking arm, connecting rod, the first bearing pin and spring, when conventional power loss, the spindle axis counterclockwise rotation of reducing gear, the second rocking arm is driven to rotate counterclockwise, second rocking arm drivening rod is to left movement, connecting rod drives the 3rd rocking arm and spring to left movement, now rocking arm and the first rocking arm are simultaneously to left movement and Compress Spring, make the energy storage of transmission stored energy mechanism; When rocking arm and the first rocker motion are to time vertical, the i.e. dead point of transmission stored energy mechanism, amount of spring compression is maximum, connecting rod drives rocking arm and the first rocking arm to continue to left movement, at this moment spring energy release, make rocking arm and the first rocking arm to left movement, after transmission stored energy mechanism crosses dead point, just send stop signal by sensitive switch to control circuit board.For realizing the stored energy mechanism of motor stopping, not only structure is relatively complicated, and this structure has the connection of multiple rocking arm and connecting rod, easily causes stuck phenomenon, so easily cause the parallel running of two-way different electrical power, cause load equipment to burn, or cause power supply to be interrupted.
Summary of the invention
For above-mentioned reasons, the object of the present invention is to provide a kind of structure simple, easy to operate PC level double power supply automatic switching switch.
For achieving the above object, the present invention adopts a kind of PC level double power supply automatic switching switch, the motor comprising shell and arrange in the enclosure, operating mechanism, contact system, motor is connected with operating mechanism, operating mechanism is connected with contact system, described operating mechanism comprises crosshead, rotating shaft, cam, intermediate plate, spring, crosshead is arranged between motor and contact system, rotating shaft two ends connect motor and contact system respectively through crosshead, cam center is fixed in rotating shaft, cam both sides are the corresponding location notch forming 3 groups of arcs respectively, two panels intermediate plate is separately positioned on cam both sides, on intermediate plate, corresponding location notch is provided with roller, two panels intermediate plate one end is hinged on crosshead, the other end is interconnected by spring, spring provides the trend of intermediate plate move toward one another of allowing, described contact system comprises movable contact block, movable contact spring, reed, input terminal, outlet terminal, movable contact block is fixedly set in rotating shaft, movable contact block both sides form the action contact frame of annular, two panels movable contact spring is enclosed within the movable contact block between two action contact frames relatively, movable contact spring is that Y type forms three moving contacts towards outer ring, three moving contacts are respectively an inlet wire moving contact of one end and two outlet moving contacts of the other end, two panels reed is separately positioned between the action contact frame of two panels movable contact spring and respective side, reed side is connected on action contact frame, the other end withstands on outside three moving contacts of movable contact spring, input terminal and outlet terminal are separately positioned on the shell of movable contact spring both sides, two input terminals are separately positioned on the both sides of inlet wire moving contact, on two input terminals, corresponding inlet wire moving contact forms inlet wire fixed contact, outlet terminal is arranged between two outlet moving contacts, on outlet terminal, corresponding outlet moving contact forms outlet fixed contact.
Turn the tip of the axis described in the present invention is set to further and form handle installation position, handle is arranged with indicating piece inside installation position.
The present invention is set to described contact system further 4 groups, and 4 groups of contact systems are gone here and there successively in rotating shaft.
The present invention is set to described rotating shaft further and is connected by adapter sleeve with between motor, and adapter sleeve is protruding to side, and the crosshead of the protruding both sides of adapter sleeve is provided with sensitive switch.
The present invention is set to be formed centrally square opening in described cam and movable contact block further, and the cross section of rotating shaft is square, and rotating shaft is through in the square opening at cam and movable contact block center.
It is one section of square shaft that the present invention is set to described movable contact block further between two action contact frames, the square groove suitable with the square shaft of movable contact block is formed centrally in described movable contact spring, the opening of square groove is arranged between two outlet moving contacts, and reed also forms the reed trough identical with square groove.
The present invention is set to described square shaft at the opening of square groove further while form the arc surface identical with both sides action contact frame.
The present invention is set to described two inlet wire fixed contacts further and input terminal is mutually vertically opposite extends to inlet wire moving contact both sides, to be that 135 ° of angles are oblique extend between two outlet moving contacts for outlet fixed contact and outlet terminal, and the distance between the thickness of inlet wire fixed contact and outlet fixed contact and two movable contact springs is adaptive.
The inside edge that the present invention is set to described moving contact further forms cambered surface, and the lateral surface edge of described inlet wire fixed contact and outlet fixed contact is inclined-plane.
The invention has the beneficial effects as follows that two input terminals are arranged on the same side of double power supply automatic switching switch, outlet terminal is arranged on the opposite side of double power supply automatic switching switch, and the mode of connection of the upper entering and lower leaving that low-voltage electrical apparatus can be adopted to commonly use, misconnection is less likely to occur; Operating mechanism adopts the location notch on cam and the roller on intermediate plate to coordinate the location realized moving contact, and structure is simple, and without the syndeton of multiple rocking arm and connecting rod, can not cause stuck phenomenon, safe and reliable; Corresponding main power source is connected respectively, stand-by power supplies connect and primary, sparely cut off three kinds of states simultaneously for 3 groups of location notchs, and by operating mechanism arranges sensitive switch, touching sensitive switch with adapter sleeve can the connection situation of fed power supplies; Contact adopts knife-switch structure, moving contact connects with the inlet wire fixed contact on the input terminal being connected primary, spare power supply respectively by rotating, an inlet wire moving contact switches between two input terminals, the same time can only connect an input terminal, effectively can prevent two different electrical power parallel runnings; Two outlet moving contacts, when inlet wire moving contact is connected with any one inlet wire fixed contact, all can have an outlet moving contact to be connected with outlet fixed contact; The chien shih inlet wire moving contact that the opening of the square groove of movable contact spring is arranged on two outlet moving contacts is identical to the conductor distance of two outlet moving contacts, and can preserve value identical electrical property; The cambered surface edge aspect moving contact of moving contact and the connection of fixed contact.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the specific embodiment of the invention.
Fig. 2 is the schematic diagram that the specific embodiment of the invention removes upper cover.
Fig. 3 is the end view that the specific embodiment of the invention removes upper cover.
Fig. 4 is the cutaway view of the A-A of Fig. 3.
Fig. 5 is the cutaway view of the B-B of Fig. 3.
Fig. 6 is the schematic diagram of the cam of the specific embodiment of the invention.
Fig. 7 is the schematic diagram of the contact system of the specific embodiment of the invention.
Fig. 8 is the end view after the contact system of the specific embodiment of the invention removes terminal.
Fig. 9 is the schematic diagram of movable contact spring in the specific embodiment of the invention.
Figure 10 is the schematic diagram of movable contact block in the specific embodiment of the invention.
Figure 11 is the generalized section of the contact system of the specific embodiment of the invention.
Embodiment
As Figure 1-Figure 11, specific embodiments of the invention are a kind of PC level double power supply automatic switching switchs, the motor 2 comprising shell 1 and be arranged in shell 1, operating mechanism 3, contact system 4, shell 1 is made up of upper cover 11 and base 12, operating mechanism 3 comprises crosshead 31, rotating shaft 32, cam 33, intermediate plate 34, spring 35, crosshead 31 is arranged between motor 2 and contact system 4, rotating shaft 32 two ends connect motor 2 and contact system 4 respectively through crosshead 31, rotating shaft 32 cross section is square, be connected by adapter sleeve 21 between rotating shaft 32 with motor 2, adapter sleeve 21 is to side projection 22, the crosshead 31 of projection 22 both sides of adapter sleeve 21 is provided with sensitive switch 36, adapter sleeve 21 can touch two sensitive switches 36 in rotation protrusions 22, square opening 331 is formed centrally in cam 33, cam 33 is enclosed within rotating shaft 32, cam 33 both sides are the corresponding location notch 332 forming three groups of arcs respectively, two panels intermediate plate 34 is separately positioned on cam 33 both sides, on intermediate plate 34, corresponding location notch 332 is provided with roller 341, two panels intermediate plate 34 one end is hinged on crosshead 31, the other end is interconnected by spring 35, spring 35 provides the trend of intermediate plate 34 move toward one another of allowing, rotating shaft 32 is equipped with successively 4 groups of contact systems, contact system 4 comprises movable contact block 41, two panels movable contact spring 42, two panels reed 43, two input terminals 44, outlet terminal 45, square opening 414 is formed centrally in movable contact block 41, rotating shaft 32 is through in the square opening 414 of movable contact block 41, movable contact block 41 both sides form the action contact frame 411 of annular, movable contact block 41 is one section of square shaft 412 between two action contact frames 411, the square groove 421 suitable with the square shaft 412 of movable contact block 41 is formed centrally in movable contact spring 42, two panels movable contact spring 42 is enclosed within the square shaft 412 between two action contact frames 411 in pairs, reed 43 also forms the reed trough identical with square groove 421, two panels reed 43 is separately positioned between the action contact frame 411 of two panels movable contact spring 42 and respective side, movable contact spring 42 is that Y type forms three moving contacts towards outer ring, the inside edge of three moving contacts forms cambered surface 422, three moving contacts are respectively an inlet wire moving contact 423 of one end and two outlet moving contacts 424 of the other end, the opening of the square groove 421 of movable contact spring 42 is arranged between two outlet moving contacts 424, the square shaft 412 of movable contact block 41 at the opening of square groove 421 while form the arc surface 413 identical with both sides action contact frame 411, reed 43 side is connected on action contact frame 411, the other end withstands on three moving contacts (423 of movable contact spring 42, 424) outside, two input terminals 44 arrange on the upside of upper cover 11 and base 12 respectively, on two input terminals 44, corresponding inlet wire moving contact 423 forms inlet wire fixed contact 441, two inlet wire fixed contacts 441 are mutually vertical with input terminal 44 and relatively extend to inlet wire moving contact 423 both sides, outlet terminal 45 is arranged on the downside of base 12, on outlet terminal 45, corresponding outlet moving contact 424 forms outlet fixed contact 451, outlet fixed contact 451 and outlet terminal 45 are oblique in 135 ° of angles to be extended between two outlet moving contacts 424, distance between the thickness of inlet wire fixed contact 441 and outlet fixed contact 451 and two movable contact springs 42 is adaptive, the both sides of the edge of inlet wire fixed contact 441 and outlet fixed contact 451 are inclined-plane, moving contact makes moving contact be stuck in the both sides at fixed contact center by the cambered surface at edge and the inclined-plane at fixed contact edge just, contact area is large, ensure electric conductivity, the end of rotating shaft 32 forms handle installation position 321, and the inner side of handle installation position 321 is arranged with indicating piece 5, and on upper cover 11, the edge of corresponding indicating piece 5 forms an instruction mouth 111.
Claims (10)
1. a PC level double power supply automatic switching switch, the motor comprising shell and arrange in the enclosure, operating mechanism, contact system, motor is connected with operating mechanism, operating mechanism is connected with contact system, it is characterized in that: described operating mechanism comprises crosshead, rotating shaft, cam, intermediate plate, spring, crosshead is arranged between motor and contact system, rotating shaft two ends connect motor and contact system respectively through crosshead, cam center is fixed in rotating shaft, cam both sides are the corresponding location notch forming 3 groups of arcs respectively, two panels intermediate plate is separately positioned on cam both sides, on intermediate plate, corresponding location notch is provided with roller, two panels intermediate plate one end is hinged on crosshead, the other end is interconnected by spring, spring provides the trend of intermediate plate move toward one another of allowing, described contact system comprises movable contact block, movable contact spring, reed, input terminal, outlet terminal, movable contact block is fixedly set in rotating shaft, movable contact block both sides form the action contact frame of annular, two panels movable contact spring is enclosed within the movable contact block between two action contact frames relatively, movable contact spring is that Y type forms three moving contacts towards outer ring, three moving contacts are respectively an inlet wire moving contact of one end and two outlet moving contacts of the other end, two panels reed is separately positioned between the action contact frame of two panels movable contact spring and respective side, reed side is connected on action contact frame, the other end withstands on outside three moving contacts of movable contact spring, input terminal and outlet terminal are separately positioned on the shell of movable contact spring both sides, two input terminals are separately positioned on the both sides of inlet wire moving contact, on two input terminals, corresponding inlet wire moving contact forms inlet wire fixed contact, outlet terminal is arranged between two outlet moving contacts, on outlet terminal, corresponding outlet moving contact forms outlet fixed contact.
2. PC level double power supply automatic switching switch according to claim 1, is characterized in that: described in turn the tip of the axis formed handle installation position, handle is arranged with indicating piece inside installation position.
3. PC level double power supply automatic switching switch according to claim 1 and 2, is characterized in that: described contact system has 4 groups, and 4 groups of contact systems are gone here and there successively in rotating shaft.
4. PC level double power supply automatic switching switch according to claim 1 and 2, is characterized in that: described rotating shaft is connected by adapter sleeve with between motor, and adapter sleeve is protruding to side, and the crosshead of the protruding both sides of adapter sleeve is provided with sensitive switch.
5. PC level double power supply automatic switching switch according to claim 1 and 2, is characterized in that: be formed centrally square opening in described cam and movable contact block, and the cross section of rotating shaft is square, and rotating shaft is through in the square opening at cam and movable contact block center.
6. PC level double power supply automatic switching switch according to claim 1 and 2, it is characterized in that: described movable contact block is one section of square shaft between two action contact frames, the square groove suitable with the square shaft of movable contact block is formed centrally in described movable contact spring, the opening of square groove is arranged between two outlet moving contacts, and reed also forms the reed trough identical with square groove.
7. PC level double power supply automatic switching switch according to claim 6, is characterized in that: described square shaft forms the arc surface identical with both sides action contact frame at the opening of square groove.
8. PC level double power supply automatic switching switch according to claim 1 and 2, it is characterized in that: described two inlet wire fixed contacts and input terminal are mutually vertically opposite extends to inlet wire moving contact both sides, to be that 135 ° of angles are oblique extend between two outlet moving contacts for outlet fixed contact and outlet terminal, and the distance between the thickness of inlet wire fixed contact and outlet fixed contact and two movable contact springs is adaptive.
9. PC level double power supply automatic switching switch according to claim 1 and 2, is characterized in that: the inside edge of described moving contact forms cambered surface, and the lateral surface edge of described inlet wire fixed contact and outlet fixed contact is inclined-plane.
10. PC level double power supply automatic switching switch according to claim 4, it is characterized in that: described movable contact block is one section of square shaft between two action contact frames, the square groove suitable with the square shaft of movable contact block is formed centrally in described movable contact spring, the opening of square groove is arranged between two outlet moving contacts, and reed also forms the reed trough identical with square groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510087371.2A CN104616918A (en) | 2015-02-16 | 2015-02-16 | Automatic PC-level dual-power changeover switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510087371.2A CN104616918A (en) | 2015-02-16 | 2015-02-16 | Automatic PC-level dual-power changeover switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104616918A true CN104616918A (en) | 2015-05-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510087371.2A Pending CN104616918A (en) | 2015-02-16 | 2015-02-16 | Automatic PC-level dual-power changeover switch |
Country Status (1)
| Country | Link |
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| CN (1) | CN104616918A (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105336516A (en) * | 2015-12-10 | 2016-02-17 | 二一三电器(上海)有限公司 | Diverter switch device |
| CN105355478A (en) * | 2015-12-10 | 2016-02-24 | 二一三电器(上海)有限公司 | Two-way power switching transmission device |
| CN105679574A (en) * | 2016-03-30 | 2016-06-15 | 黄文平 | Dual-power source automatic change-over switch |
| CN107230569A (en) * | 2017-06-09 | 2017-10-03 | 德力西电气有限公司 | A kind of PC level automatic transfer switching equipments with stored energy mechanism |
| CN109239441A (en) * | 2018-11-08 | 2019-01-18 | 广东电网有限责任公司 | Split-core type meter loop switch device and split-core type meter |
| CN109273293A (en) * | 2018-12-12 | 2019-01-25 | 沈阳斯沃电器有限公司 | A kind of trigger device for the conversion of two-way power supply |
| CN110364376A (en) * | 2018-03-26 | 2019-10-22 | 施耐德电器工业公司 | Double power supply automatic transfer switch and its rotating driver |
| CN110706965A (en) * | 2019-10-15 | 2020-01-17 | 浙江正泰机电电气有限公司 | Novel isolating switch |
| CN111161970A (en) * | 2018-11-08 | 2020-05-15 | 扬州新菱电器有限公司 | Dual-power automatic transfer switch with neutral line overlapping function |
| CN114242478A (en) * | 2022-01-19 | 2022-03-25 | 德力西电气有限公司 | Automatic change-over switch and energy storage mechanism thereof |
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| US6005206A (en) * | 1998-05-07 | 1999-12-21 | Eaton Corporation | Electrical switching apparatus with improved contact arm carrier arrangement |
| US6538223B1 (en) * | 2001-10-15 | 2003-03-25 | Kabushiki Kaisha Ise | Electric transfer switch unit |
| CN201904246U (en) * | 2010-12-03 | 2011-07-20 | 黄文平 | Double-power automatic changeover switch |
| CN202796506U (en) * | 2012-06-27 | 2013-03-13 | 黄文平 | Control device for dual supply automatic transfer switch |
-
2015
- 2015-02-16 CN CN201510087371.2A patent/CN104616918A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6005206A (en) * | 1998-05-07 | 1999-12-21 | Eaton Corporation | Electrical switching apparatus with improved contact arm carrier arrangement |
| US6538223B1 (en) * | 2001-10-15 | 2003-03-25 | Kabushiki Kaisha Ise | Electric transfer switch unit |
| CN201904246U (en) * | 2010-12-03 | 2011-07-20 | 黄文平 | Double-power automatic changeover switch |
| CN202796506U (en) * | 2012-06-27 | 2013-03-13 | 黄文平 | Control device for dual supply automatic transfer switch |
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105336516A (en) * | 2015-12-10 | 2016-02-17 | 二一三电器(上海)有限公司 | Diverter switch device |
| CN105355478A (en) * | 2015-12-10 | 2016-02-24 | 二一三电器(上海)有限公司 | Two-way power switching transmission device |
| CN105679574A (en) * | 2016-03-30 | 2016-06-15 | 黄文平 | Dual-power source automatic change-over switch |
| CN107230569B (en) * | 2017-06-09 | 2020-07-14 | 德力西电气有限公司 | PC-level automatic change-over switch device with energy storage mechanism |
| CN107230569A (en) * | 2017-06-09 | 2017-10-03 | 德力西电气有限公司 | A kind of PC level automatic transfer switching equipments with stored energy mechanism |
| CN110364376A (en) * | 2018-03-26 | 2019-10-22 | 施耐德电器工业公司 | Double power supply automatic transfer switch and its rotating driver |
| CN110364376B (en) * | 2018-03-26 | 2021-12-21 | 施耐德电器工业公司 | Dual-power automatic transfer switch and rotary driver thereof |
| CN109239441A (en) * | 2018-11-08 | 2019-01-18 | 广东电网有限责任公司 | Split-core type meter loop switch device and split-core type meter |
| CN111161970A (en) * | 2018-11-08 | 2020-05-15 | 扬州新菱电器有限公司 | Dual-power automatic transfer switch with neutral line overlapping function |
| CN109239441B (en) * | 2018-11-08 | 2024-08-02 | 广东电网有限责任公司 | Clamp meter loop switching device and clamp meter |
| CN109273293A (en) * | 2018-12-12 | 2019-01-25 | 沈阳斯沃电器有限公司 | A kind of trigger device for the conversion of two-way power supply |
| CN110706965A (en) * | 2019-10-15 | 2020-01-17 | 浙江正泰机电电气有限公司 | Novel isolating switch |
| CN110706965B (en) * | 2019-10-15 | 2022-04-01 | 浙江正泰机电电气有限公司 | Isolating switch |
| CN114242478A (en) * | 2022-01-19 | 2022-03-25 | 德力西电气有限公司 | Automatic change-over switch and energy storage mechanism thereof |
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Address after: 325604 Liushi City, Yueqing province Xinguang Industrial Zone Applicant after: Haig Polytron Technologies Inc Address before: 325605 second industrial zone, seven Li port, Zhejiang, Yueqing, China Applicant before: PAISENT ELECTRIC CO., LTD. |
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Application publication date: 20150513 |
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| WD01 | Invention patent application deemed withdrawn after publication |