CN104466561A - Take-up and pay-off device for vertical track charging connecting wire - Google Patents
Take-up and pay-off device for vertical track charging connecting wire Download PDFInfo
- Publication number
- CN104466561A CN104466561A CN201410850787.0A CN201410850787A CN104466561A CN 104466561 A CN104466561 A CN 104466561A CN 201410850787 A CN201410850787 A CN 201410850787A CN 104466561 A CN104466561 A CN 104466561A
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- China
- Prior art keywords
- relay
- charging
- slide block
- charging gun
- connecting line
- 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.)
- Granted
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- 238000009413 insulation Methods 0.000 abstract 1
- 239000004020 conductor Substances 0.000 description 9
- 230000005611 electricity Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000010891 electric arc Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/72—Means for accommodating flexible lead within the holder
Landscapes
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention provides a take-up and pay-off device for a vertical track charging connecting wire and belongs to the field of charging gun connecting wire arrangement devices. The take-up and pay-off device comprises a charging pile, the charging pile is provided with an automatic take-up and pay-off unit, the charging gun connecting wire is located in the automatic take-up and pay-off unit, the automatic take-up and pay-off unit is provided with a wire outlet, and the charging gun connecting wire is provided with a positioning plate. Insulation skin of the charging gun connecting wire cannot be damaged, and dragging is convenient.
Description
Technical field
The invention provides a kind of vertical rail charging connection wire reel, belong to charging gun connecting line collating unit field.
Background technology
Charging gun relies on charging gun connecting line to be connected with charging pile, charging gun is placed on the gun stock on charging pile, and charging gun connecting line is scattered on the ground often, when charging is required, charging gun is taken off from gun stock, then charging gun connecting line is dragged to the charging socket place of electric motor car, charging gun is connected with charging socket, charges.
Currently available technology defect is:
One, because charging gun connecting line is scattered on the ground, very easily stepped on by the people of dealing, more even be pressed onto by electric motor car, make the insulated hull of charging gun connecting line outside can be damaged very fast, change cost very high, and find the generation that can cause the contingencies such as electric shock not in time;
They are two years old, because electric motor car is generally electric automobile, and the charging voltage of electric automobile is very high, charging current is very large, so the cable making charging gun connecting line is comparatively thick, in order to ensure that charging gun connecting line enough extends to charging socket, its length is also often longer, the weight of such charging gun connecting line can be very heavy, pulls very inconvenient.
Summary of the invention
The object of the invention is to provide a kind of vertical rail charging connection wire reel, and the insulated hull of charging gun connecting line can not be made to damage, and pulls conveniently.
Vertical rail charging connection wire reel of the present invention, comprises charging pile, and charging pile is provided with automatic deploying and retracting line device, and charging gun connecting line is positioned at automatic deploying and retracting line device, and automatic deploying and retracting line device is provided with line outlet, and charging gun connecting line is provided with positioning disk.
Described vertical rail charging connection wire reel, charging gun connects drum in automatic deploying and retracting line device, according to positioning disk position, charging gun connecting line is packed up by automatic deploying and retracting line device when not charging, length charging gun connecting line being retracted to needs is only needed when charging, because of charging gun connecting line extract out time, electric motor car is in place, ensure that electric motor car can not be pressed onto charging gun connecting line, charging gun connecting line can not be scattered on the ground, avoid and to be stepped on by people or by car pressure, the insulated hull of the connecting line of charging gun can not be destroyed, and to be become from pulling in the past and make automatic deploying and retracting line device rotate retractable cable, pull very convenient, save the required manpower used in defence line greatly.
Described vertical rail charging connection wire reel, automatic deploying and retracting line device comprises vertical rail and base, vertical rail is fixed on base, and vertical rail is provided with the slide block matched with vertical rail, is provided with spring between slide block and base, base is provided with two line outlets, slide block top is provided with pulley, and charging gun connecting line passes two line outlets and rides on pulley, and vertical rail is provided with tooth, slide block is provided with locking device, and locking device and tooth cooperatively interact.Because the charging pile of charging station is often provided with ceiling, and ceiling is very high, and the space between charging pile to ceiling is not applied fully, the present invention sets up vertical rail, coordinate slide block, charging gun connecting line is placed in this part space, avoid that charging gun connecting line is scattered on the ground is stepped on by people or be pressed onto by car, the interface access charging pile of charging gun connecting line one end, the other end is through a line outlet, walk around the pulley on slide block, again through another line outlet, if Deng by charging gun connecting line in the vertical direction in the doubling of pulley place, when needs pull-out charging gun connecting line, charging gun connecting line limit is outer to be pulled, slide block declines, pulley rotation simultaneously on slide block, the fold position of charging gun is constantly declined, by the releasing progressively of charging gun connecting line, locking device not locking teeth in the process that slide block declines, slide block can be declined, and simultaneously Compress Spring, spring housing is on spring stack, avoid spring bending, spring stack top is through slide block, another slide rail of slide block can be regarded as, after charging gun connecting line is pulled out to applicable length, slide block also drops to proper height, unclamp the pulling force to charging gun connecting line, slide block forms the gesture moved up under the drive of spring, at this moment locking device can pin the tooth of relevant position, make slide block fixed position, avoid forming pulling force to the charging gun charged, if pull-out can form electric arc, very dangerous, slide block is also provided with buckle simultaneously, buckle can block charging gun connecting line, its gravity is avoided to form pulling force to the charging gun charged.
Described vertical rail charging connection wire reel, locking device is provided with barb and support, barb is provided with handle, handle is hinged on support, locking device is provided with shell, is provided with spring B between handle and the shell of locking device, and one end of barb handle is provided with armature, on locking device shell, corresponding armature position is provided with electromagnet, and magnet spool is connected to power supply by switch.Tooth is that inclined-plane is upper, plane under, barb is then contrary, when moving downward, two ramp effect of barb and tooth, the continuous Compress Spring B of barb can be made, but cannot tooth be pinned, when slide block drives locking device to move up, the plane of barb and tooth interacts, barb is made to block tooth, ensure that slide block not resilience, when charging complete needs take-up, first buckle is unclamped, connect electromagnet power supply, and Closing Switch, the stressed retraction of barb, tooth can not be blocked again, slide block can under the drive of spring B on move, line is regained, very convenient, people is not needed to get involved.
Described vertical rail charging connection wire reel, control circuit is provided with between magnet spool and switch, control circuit comprises relay A, relay B, travel switch B and not self-locking button, coil one end of relay A is connected on both ends of power with not self-locking button and a normally opened contact of relay A and the normally-closed contact of relay B respectively, coil and the travel switch B of relay B are connected on both ends of power, another normally opened contact of relay A and magnet spool are connected on both ends of power vertical rail top and are provided with baffle plate, baffle position and travel switch B adapt.First ensure that power supply is connected, and switch closes, when needs take-up, press not self-locking button, the coil electricity of relay A, a normally opened contact of relay A closes, the coil of relay A is made to keep energising, another normally opened contact of relay A also closes simultaneously, magnet spool is energized, electromagnet absorption armature, barb is retracted, remove the locking to tooth, slide block can under the drive of spring on move, after travel switch B encounters baffle plate and is closed, make the coil electricity of relay B, the normally-closed contact of relay B disconnects, it is the coil blackout of relay A, electromagnet also can under the disconnection of another normally opened contact of relay dead electricity, barb ejects again under the action of the spring.
The present invention compared with prior art beneficial effect is:
Described vertical rail charging connection wire reel, charging gun connects drum in automatic deploying and retracting line device, according to positioning disk position, charging gun connecting line is packed up by automatic deploying and retracting line device when not charging, length charging gun connecting line being retracted to needs is only needed when charging, because of charging gun connecting line extract out time, electric motor car is in place, ensure that electric motor car can not be pressed onto charging gun connecting line, charging gun connecting line can not be scattered on the ground, avoid and to be stepped on by people or by car pressure, the insulated hull of the connecting line of charging gun can not be destroyed, and to be become from pulling in the past and make automatic deploying and retracting line device rotate retractable cable, pull very convenient, save the required manpower used in defence line greatly.
Described automatic deploying and retracting line device, slide rail is also provided with tooth, after in slide block, the gear of motor engages with slide rail, the another side of slide block can contact with the wall of track, by coating lubricating oil, slide block is lubricated, ensure that slide block prolongs when slide rail moves can not shake at track with this, conductor B can by spring fitting on slide block, because be obtain power supply by conductor B and conductor contact, but there will be in unavoidable sliding process and jolt, make that conductor B and conductor are of short duration to be separated, this frequent power on/off has infringement to motor, so after being connected by spring, and spring remains in compressive state constantly, can ensure that conductor B can not be separated with conductor, improve the useful life of motor greatly, because slide block is installed to after in track, top can touch track top, and slide rail and slide block are all positioned at centre position, then track can be divided into two parts by slide block preferably, after cable then walks around slide block from the side injection of slide block, passed by opposite side, the position that on slide block, corresponding cable is walked around can be provided with the flexible pipe adapted with cable, cable is passed by it, after conductor switches on power, motor obtains power supply by conductor B, machine operation is also with movable slider to prolong slide rail to move, so just slide block will be headed on cable, cable is taken in track, motor is with damping, when it does not work, the rotor of motor can be made to be locked can not rotate, cable is made to be incorporated into fixing length, when motor leads to reverse electrical source, motor reversal, the oppositely movement of band movable slider, cable can be released by flexible pipe by slide block, ensure that and can be incorporated into track after charging gun connecting line is used to complete, can be released again in use, very convenient.
Described automatic deploying and retracting line device, because the charging pile of charging station is often provided with ceiling, and ceiling is very high, and the space between charging pile to ceiling is not applied fully, the present invention sets up vertical rail, coordinate slide block, charging gun connecting line is placed in this part space, avoid that charging gun connecting line is scattered on the ground is stepped on by people or be pressed onto by car, the interface access charging pile of charging gun connecting line one end, the other end is through a line outlet, walk around the pulley on slide block, again through another line outlet, if Deng by charging gun connecting line in the vertical direction in the doubling of pulley place, when needs pull-out charging gun connecting line, charging gun connecting line limit is outer to be pulled, slide block declines, pulley rotation simultaneously on slide block, the fold position of charging gun is constantly declined, by the releasing progressively of charging gun connecting line, locking device not locking teeth in the process that slide block declines, slide block can be declined, and simultaneously Compress Spring, spring housing is on spring stack, avoid spring bending, spring stack top is through slide block, another slide rail of slide block can be regarded as, after charging gun connecting line is pulled out to applicable length, slide block also drops to proper height, unclamp the pulling force to charging gun connecting line, slide block forms the gesture moved up under the drive of spring, at this moment locking device can pin the tooth of relevant position, make slide block fixed position, avoid forming pulling force to the charging gun charged, if pull-out can form electric arc, very dangerous, slide block is also provided with buckle simultaneously, buckle can block charging gun connecting line, its gravity is avoided to form pulling force to the charging gun charged.
Described locking device, tooth is that inclined-plane is upper, plane under, barb is then contrary, when moving downward, two ramp effect of barb and tooth, the continuous Compress Spring B of barb can be made, but cannot tooth be pinned, when slide block drives locking device to move up, the plane of barb and tooth interacts, barb is made to block tooth, ensure that slide block not resilience, when charging complete needs take-up, first buckle is unclamped, connect electromagnet power supply, and Closing Switch, the stressed retraction of barb, tooth can not be blocked again, slide block can under the drive of spring B on move, line is regained, very convenient, people is not needed to get involved.
Described control circuit, first ensure that power supply is connected, and switch closes, when needs take-up, press not self-locking button, the coil electricity of relay A, a normally opened contact of relay A closes, the coil of relay A is made to keep energising, another normally opened contact of relay A also closes simultaneously, magnet spool is energized, electromagnet absorption armature, barb is retracted, remove the locking to tooth, slide block can under the drive of spring on move, after travel switch B encounters baffle plate and is closed, make the coil electricity of relay B, the normally-closed contact of relay B disconnects, it is the coil blackout of relay A, electromagnet also can under the disconnection of another normally opened contact of relay dead electricity, barb ejects again under the action of the spring.
Accompanying drawing explanation
Fig. 1 is embodiment 1 structural representation;
Fig. 2 is embodiment 2 structural representation;
Fig. 3 is locking device structure schematic diagram;
Fig. 4 is locking device electrical schematic diagram.
In figure: 1, charging pile; 2, automatic deploying and retracting line device; 3, charging gun connecting line; 4, line outlet; 5, positioning disk; 6, the coil of relay B; 7, baffle plate; 8, another normally opened contact of relay A; 9, barb; 10, handle; 11, spring B; 12, armature; 13, magnet spool; 14, vertical rail; 15, base; 16, slide block; 17, spring; 18, pulley; 19, tooth; 20, locking device; 21, electromagnet; 22, switch; 23, travel switch B; 24, not self-locking button; 25, the coil of relay A; 26, a normally opened contact of relay A; 27, the normally-closed contact of relay B;
Embodiment
Below in conjunction with the present invention, the embodiment of the present invention is described further:
Embodiment 1: as shown in Figure 1: vertical rail charging connection wire reel of the present invention, comprise charging pile 1, charging pile 1 is provided with automatic deploying and retracting line device 2, charging gun connecting line 3 is positioned at automatic deploying and retracting line device 2, automatic deploying and retracting line device 2 is provided with line outlet 4, and charging gun connecting line 3 is provided with positioning disk 5.
Embodiment 2: on the architecture basics described in embodiment 1, as Fig. 2, shown in Fig. 3 and Fig. 4, automatic deploying and retracting line device 2 comprises vertical rail 14 and base 15, vertical rail 14 is fixed on base 15, vertical rail 14 is provided with the slide block 16 matched with vertical rail 14, spring 17 is provided with between slide block 16 and base 15, base is provided with two line outlets 4, slide block 16 top is provided with pulley 18, charging gun connecting line 3 passes two line outlets 4 and rides on pulley 18, vertical rail 14 is provided with tooth 19, slide block 16 is provided with locking device 20, locking device 20 and tooth 19 cooperatively interact, locking device 20 is provided with barb 9 and support, barb is provided with handle 10, handle is hinged on support, locking device 20 is provided with shell, spring B 11 is provided with between the shell of handle 10 and locking device 20, one end of barb handle 10 is provided with armature 12, on locking device 20 shell, corresponding armature 12 position is provided with electromagnet 21, magnet spool 13 is connected to power supply by switch 22, control circuit is provided with between magnet spool 13 and switch 22, control circuit comprises relay A, relay B, travel switch B23 and not self-locking button 24, coil 25 one end of relay A is connected on both ends of power with a normally opened contact 8 of not self-locking button 24 and relay A with the normally-closed contact 27 of relay B respectively, coil 6 and the travel switch B6 of relay B are connected on both ends of power, another normally opened contact 8 of relay A is connected on both ends of power vertical rail 14 top with magnet spool 13 and is provided with baffle plate 7, baffle plate 7 position and travel switch B23 adapt.
Operating procedure and operation principle:
Described vertical rail charging connection wire reel, charging gun connecting line 3 coils in automatic deploying and retracting line device 2, according to positioning disk 5 position, charging gun connecting line 3 is packed up by automatic deploying and retracting line device 2 when not charging, length charging gun connecting line 3 being retracted to needs is only needed when charging, because of charging gun connecting line 3 extract out time, electric motor car is in place, ensure that electric motor car can not be pressed onto charging gun connecting line 3, charging gun connecting line 3 can not be scattered on the ground, avoid and to be stepped on by people or by car pressure, the insulated hull of the connecting line 3 of charging gun can not be destroyed, and to be become from pulling in the past and make automatic deploying and retracting line device 2 rotate retractable cable, pull very convenient, save the required manpower used in defence line greatly.
Claims (4)
1. a vertical rail charging connection wire reel, comprise charging pile (1), it is characterized in that, charging pile (1) is provided with automatic line receiver (2), charging gun connecting line (3) is positioned at automatic line receiver (2), automatic line receiver (2) is provided with line outlet (4), and charging gun connecting line (3) is provided with positioning disk (5).
2. vertical rail charging connection wire reel according to claim 1, it is characterized in that, automatic line receiver (2) comprises vertical rail (14) and base (15), track is fixed on base (15), track is provided with the slide block (16) matched with track, spring B (17) is provided with between slide block (16) and base (15), base (15) is provided with two line outlets (4), slide block (16) top is provided with pulley (18), charging gun connecting line (3) is through two line outlets (4) and ride on pulley (18), track is provided with tooth (19), slide block (16) is provided with locking device (20), locking device (20) and tooth (19) cooperatively interact.
3. vertical rail charging connection wire reel according to claim 1, it is characterized in that, locking device (20) is provided with barb (9) and support, barb (9) is provided with handle (10), handle (10) is hinged on support, locking device (20) is provided with shell, spring B (11) is provided with between the shell of handle (10) and locking device (20), one end of barb (9) handle (10) is provided with armature (12), on locking device (20) shell, corresponding armature (12) position is provided with electromagnet (21), magnet spool (13) is connected to power supply by switch (22).
4. vertical rail charging connection wire reel according to claim 1, it is characterized in that, control circuit is provided with between magnet spool (13) and switch (22), control circuit comprises relay A, relay B, travel switch B and not self-locking button (24), coil (25) one end of relay A is connected on both ends of power with not self-locking button (24) and a normally opened contact (26) of relay A with the normally-closed contact (27) of relay B respectively, coil (6) and the travel switch B of relay B are connected on both ends of power, another normally opened contact (8) and the magnet spool (13) of relay A are connected on both ends of power track top and are provided with baffle plate (7), baffle plate (7) position and travel switch B adapt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410850787.0A CN104466561B (en) | 2014-12-31 | 2014-12-31 | Vertical rail charging connection wire reel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410850787.0A CN104466561B (en) | 2014-12-31 | 2014-12-31 | Vertical rail charging connection wire reel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104466561A true CN104466561A (en) | 2015-03-25 |
| CN104466561B CN104466561B (en) | 2017-03-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410850787.0A Active CN104466561B (en) | 2014-12-31 | 2014-12-31 | Vertical rail charging connection wire reel |
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| Country | Link |
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| CN (1) | CN104466561B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108569160A (en) * | 2018-03-14 | 2018-09-25 | 杭州电子科技大学 | A kind of multifunctional motor-driven automobile charging pile |
| CN112297906A (en) * | 2020-10-22 | 2021-02-02 | 广西特斯途汽车科技有限公司 | Car that security performance is good fills electric pile |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201421935Y (en) * | 2009-05-06 | 2010-03-10 | 沈国新 | Power socket with automatic wire take-up function |
| US20110003503A1 (en) * | 2009-07-01 | 2011-01-06 | Soniconn Co., Ltd. | Power supply wire receiving structure |
| CN203151052U (en) * | 2013-02-20 | 2013-08-21 | 上海普天能源科技有限公司 | Electric automobile charging gun take-up device |
| CN203820196U (en) * | 2014-03-31 | 2014-09-10 | 深圳市浪尖设计有限公司 | Automatic vertical wire take-up and pay-off structure and charging station |
| CN204407636U (en) * | 2014-12-31 | 2015-06-17 | 张远镇 | Vertical rail charging connection wire reel |
-
2014
- 2014-12-31 CN CN201410850787.0A patent/CN104466561B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201421935Y (en) * | 2009-05-06 | 2010-03-10 | 沈国新 | Power socket with automatic wire take-up function |
| US20110003503A1 (en) * | 2009-07-01 | 2011-01-06 | Soniconn Co., Ltd. | Power supply wire receiving structure |
| CN203151052U (en) * | 2013-02-20 | 2013-08-21 | 上海普天能源科技有限公司 | Electric automobile charging gun take-up device |
| CN203820196U (en) * | 2014-03-31 | 2014-09-10 | 深圳市浪尖设计有限公司 | Automatic vertical wire take-up and pay-off structure and charging station |
| CN204407636U (en) * | 2014-12-31 | 2015-06-17 | 张远镇 | Vertical rail charging connection wire reel |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108569160A (en) * | 2018-03-14 | 2018-09-25 | 杭州电子科技大学 | A kind of multifunctional motor-driven automobile charging pile |
| CN112297906A (en) * | 2020-10-22 | 2021-02-02 | 广西特斯途汽车科技有限公司 | Car that security performance is good fills electric pile |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104466561B (en) | 2017-03-29 |
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| C06 | Publication | ||
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| C41 | Transfer of patent application or patent right or utility model | ||
| CB03 | Change of inventor or designer information |
Inventor after: Zhang Chuankun Inventor after: Zhao Shuming Inventor after: Yang Yueyu Inventor after: Lu Menglin Inventor after: Zhang Huixin Inventor after: Liu Xia Inventor after: Chen Mei Inventor after: Liu Maohe Inventor after: Jing Xianliang Inventor after: Zhang Yan Inventor after: Wei Feng Inventor after: Zhang Yuanzhen Inventor after: Zhang Xiaoqin Inventor after: Liu Guopeng Inventor after: Chen Lei Inventor after: Qu Zhan Inventor after: Gu Jinfei Inventor after: Sun Yibing Inventor after: Lu Ling Inventor after: Zhang Zhiguo Inventor before: Zhang Yuanzhen Inventor before: Zhang Yan Inventor before: Wei Feng Inventor before: Zhang Xiaoqin Inventor before: Zhang Haijian Inventor before: Meng Xia Inventor before: Qiu Weiqing Inventor before: Wang Wei Inventor before: Qiu Lan Inventor before: Tian Tian Inventor before: Du Panpan Inventor before: Zhang Chuankun Inventor before: Geng Qiong Inventor before: Yang Lan Inventor before: Kong Linghan Inventor before: Zhang Rui Inventor before: Wang Xinchun Inventor before: Zhou Hao Inventor before: Dong Li Inventor before: Li Xin Inventor before: Zhao Shuming Inventor before: Yang Yueyu Inventor before: Lu Ling Inventor before: Lu Menglin Inventor before: Zhang Zhiguo Inventor before: Liu Xia Inventor before: Chen Mei Inventor before: Liu Maohe Inventor before: Chen Lei Inventor before: Jing Xianliang |
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| COR | Change of bibliographic data | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20160906 Address after: 255000 Chongqing, Zibo, Zhangdian, North Road, the first head of the city of Shandong Applicant after: Zhang Yuanzhen Applicant after: NANJING NENGRUI ELECTRIC POWER TECHNOLOGY CO., LTD. Applicant after: Zhang Chuankun Address before: 255000 Chongqing, Zibo, Zhangdian, North Road, the first head of the city of Shandong Applicant before: Zhang Yuanzhen Applicant before: Chen Lei Applicant before: Zhang Chuankun |
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