CN105763077B - A kind of photovoltaic DC-to-AC converter - Google Patents
A kind of photovoltaic DC-to-AC converter Download PDFInfo
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- CN105763077B CN105763077B CN201610316981.XA CN201610316981A CN105763077B CN 105763077 B CN105763077 B CN 105763077B CN 201610316981 A CN201610316981 A CN 201610316981A CN 105763077 B CN105763077 B CN 105763077B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/56—Power conversion systems, e.g. maximum power point trackers
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Microelectronics & Electronic Packaging (AREA)
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Abstract
The present invention provides a kind of photovoltaic DC-to-AC converter, including cabinet shell, the bottom of cabinet shell is equipped with radiator, an inductance box is additionally provided in the cabinet shell, inductance box includes a plastic shell, and plastic shell is equipped at least one cavity, the upper and lower ends of cavity are hatch frame, inductance is equipped in cavity, inductance box is fixed on the radiator, and thermal grease is equipped between inductance box and the radiator.Using this structure, without radiating using inductance box, therefore inductance box may be configured as plastic material, it can effectively reduce production cost in this way, the inverter inductor box setting of this structure simultaneously inside shell, can make the assembling enhanced convenience of inverter, can effectively improve production efficiency outside the enclosure.It can be reduced using the connecting terminal of this structure due to terminal thermal deformation bring circuit connection risk simultaneously, the quality of connection of route can be effectively improved, line connection can be made more reliable, the contact that is electrically connected in inverter can be reduced, reduce loss.
Description
Technical field
The present invention relates to field of photovoltaic power generation, in particular to a kind of photovoltaic DC-to-AC converter used in photovoltaic power generation.
Background technique
With the increasingly increasingly exacerbation of shortage and environmental pollution of the energy, clean energy resource, renewable energy become current
The field that countries in the world are given priority to, wherein photovoltaic power generation technology because its have many advantages, such as green, environmental protection, it is renewable increasingly by
To the attention and welcome of people.In photovoltaic power generation technology, the direct current energy for generating photovoltaic module is converted to alternating current
The inverter of energy is the critical component of entire photovoltaic power generation technology.
The outside for being generally positioned at inverter cabinet for placing the inductance box of inductance in inverter can conveniently dissipate in this way
Heat, as (patent No.: 201410045932.8) disclosing a kind of novel photovoltaic energy storage inverter to Chinese utility model patent, packet
Upper cover, cabinet, radiator and inductance box are included, the upper cover is located at the top of the inverter, and the upper cover is covered in the case
On body, the cabinet is connect with the radiator, and the inductance box is provided among the bottom end of the radiator.But this machine
The inverter of structure also suffers from certain drawbacks, and in order to play preferable heat dissipation effect, it is usually necessary to use metals for inductance box
Aluminum inductance box, will increase the cost of inverter, and thus in order to make inductance box that there is dust-proof, waterproof effect
Fruit needs inductance box to cooperate well with inverter cabinet, these can all make inverter, and the production cost increases and extends inverse
Become the built-up time of device, reduce production efficiency.
Summary of the invention
In view of the foregoing deficiencies of prior art, it is good, easy to assembly that the purpose of the present invention is to provide a kind of thermal diffusivities
Photovoltaic DC-to-AC converter.
In order to achieve the above objects and other related objects, the present invention provides a kind of photovoltaic DC-to-AC converter, including cabinet shell, institute
It states and is equipped with PCB circuit board and electrical component in cabinet shell, the bottom of the cabinet shell is equipped with radiator, the cabinet shell
It is inside additionally provided with an inductance box, the inductance box includes a plastic shell, and the plastic shell is equipped at least one cavity, described
The upper and lower ends of cavity are hatch frame, and inductance is equipped in the cavity, and the inductance box is fixed on the radiator, institute
It states and is equipped with thermal grease between inductance box and the radiator.
Preferably, the bottom of inductance box inner cavity is equipped with supporting rib, between the inner wall of the cavity and the supporting rib
Form the gap for placing thermal grease.
Preferably, the supporting rib radially distributes.
Preferably, the outer peripheral surface of the inductance box is equipped with card slot, is equipped with the first connecting terminal in the card slot, and described the
One connecting terminal includes first connecting portion and second connecting portion, the first connecting portion be located at can swing the first elastic arm
On, the second connecting portion is located on the second elastic arm that can be swung up and down, first elastic arm and second elastic arm
Vertical connection.
Preferably, the outer peripheral surface of the inductance box is equipped with deck, and the card slot is located on the deck.
Preferably, first elastic arm is equipped with a snap-gauge, and what the snap-gauge can move left and right is connected to the card slot
It is interior.
Preferably, be equipped with a protrusion on the inner wall of the two sides of the card slot, the both ends of the snap-gauge be equipped with it is described convex
Play the corresponding groove in position.
Preferably, the first connecting portion is equipped with a cable connecting hole, and the second connecting portion connects equipped with a bolt
Connect hole.
Preferably, the PCB circuit board is equipped with the second connecting terminal, and the connecting terminal includes fixing seat and elastic slice,
The fixing seat is fixed in the PCB circuit board, and the fixing seat is electrically connected with the printed circuit in the PCB circuit board,
The elastic slice includes bending section and third elastic arm, and one end of the bending section is connect with the fixing seat, the bending section
The other end is connect with the third elastic arm, and the terminals of the third elastic arm stretch out the PCB circuit board.
Preferably, the fixing seat is equipped with pin.
As described above, photovoltaic DC-to-AC converter of the invention has the advantages that inductance box is arranged the photovoltaic DC-to-AC converter
Outside the enclosure inside shell, inductance box radiator is connected by thermal grease, and then can radiate to the inductance in inductance box, adopted
With this structure, without radiating using inductance box, therefore inductance box may be configured as plastic material, can effectively reduce in this way
Production cost, while the inverter inductor box of this structure is arranged inside shell outside the enclosure, can make the assembling of inverter more
It is convenient, production efficiency can be effectively improved.The inverter also sets up the first connecting terminal of cooperation assembling, the second connecting terminal, adopts
The cumulative errors occurred in an assembling process due to pcb board, I/O PCB plate can be effectively made up with this terminal structure, can be made
Connecting terminal connects enhanced convenience, so as to effectively improve the speed of inverter assembling, improves working efficiency.Use this simultaneously
The connecting terminal of kind structure can be reduced due to terminal thermal deformation bring circuit connection risk, can effectively improve the connection matter of route
Amount can make line connection more reliable, can reduce the contact that is electrically connected in inverter, reduce loss, while can make wiring more
Beauty reduces artificial and material, reduces enterprise's production cost.
Detailed description of the invention
Fig. 1 is the surface structure schematic diagram of the embodiment of the present invention.
Fig. 2 is the schematic diagram of internal structure of the embodiment of the present invention.
Fig. 3 is the structural schematic diagram of inductance of embodiment of the present invention box.
Fig. 4 is the structural schematic diagram (bottom-up) of inductance of embodiment of the present invention box.
Fig. 5 is the structural schematic diagram of the first connecting terminal on inductance of embodiment of the present invention box.
Fig. 6 is the structural schematic diagram of the first connecting terminal of the embodiment of the present invention.
Fig. 7 is the structural schematic diagram of the first connecting terminal of the embodiment of the present invention and deck cooperation.
Fig. 8 is the cross-sectional view of internal structure of the embodiment of the present invention.
Fig. 9 is the connection schematic diagram of the second connecting terminal in PCB circuit board of the embodiment of the present invention.
Figure 10 is the structural schematic diagram of the second connecting terminal of the embodiment of the present invention.
Figure 11 is the connection schematic diagram of the first connecting terminal and the second connecting terminal of the embodiment of the present invention.
Component label instructions: 1, cabinet shell；2, radiator；3, inductance box；31, plastic shell；311, raised；32, empty
Chamber；33, inductance；34, deck；35, the first connecting terminal；351, first connecting portion；352, the first elastic arm；353, snap-gauge；
354, groove；355, the second elastic arm；356, second connecting portion；357, it is open；36, supporting rib；37, gap；38, threaded hole；
39, card slot；4, PCB circuit board；5, the second connecting terminal；51, fixing seat；52, pin；53, elastic slice；54, bending section；55,
Elastic arm；56, through-hole；6, bolt is connected
Specific embodiment
Embodiments of the present invention are illustrated by particular specific embodiment below, those skilled in the art can be by this explanation
Content disclosed by book is understood other advantages and efficacy of the present invention easily.
Fig. 1 is please referred to Figure 11.It should be clear that this specification structure depicted in this specification institute accompanying drawings, ratio, size etc., are only used
To cooperate the revealed content of specification, so that those skilled in the art understands and reads, being not intended to limit the invention can
The qualifications of implementation, therefore do not have technical essential meaning, the tune of the modification of any structure, the change of proportionate relationship or size
It is whole, in the case where not influencing the effect of present invention can be generated and the purpose that can reach, it should all still fall in disclosed skill
Art content obtains in the range of capable of covering.Meanwhile in this specification it is cited as "upper", "lower", "left", "right", " centre " and
The term of " one " etc. is merely convenient to being illustrated for narration, rather than to limit the scope of the invention, relativeness
It is altered or modified, under the content of no substantial changes in technology, when being also considered as the enforceable scope of the present invention.
As shown in Figure 1, 2, the present invention provides a kind of photovoltaic DC-to-AC converter comprising cabinet shell 1 is set in shell 1 outside the enclosure
There are PCB circuit board and electrical component, PCB circuit board and electrical component are the prior art, therefore are not described in detail herein.In order to
Convenient for the intracorporal electrical component heat dissipation of case, the bottom of cabinet shell 1 is equipped with radiator 2, and radiator 2 is substantially a heat sink, dissipates
Radiating fin is had on hot plate.Inductance box 3 is additionally provided in shell 1 outside the enclosure, is equipped with inductance in inductance box 3.The setting of inductance box 3 exists
Side far from Wiring port on cabinet shell 1, the in this way installation convenient for electrical component in cabinet shell 1.
As shown in Figure 3,4, inductance box 3 includes a plastic shell 31, at least one cavity 32 is equipped on plastic shell 31,
Cavity 32 is for placing inductance 33.Settable one of cavity on plastic shell 31, inductance multiple in this way may be provided at multiple electricity
Feel in box；Cavity on plastic shell 31 may also set up multiple, and inductance multiple so just may be provided in an inductance box.Such as figure
Shown in, it is that five inductance are arranged in an inductance box.
The top and bottom of cavity 32 are open, and the supporting rib 36 for placing inductance 33 is arranged in lower end, and inductance 33 can be from sky
The upper end of chamber 32 is put into cavity 32, and the shape of cavity 32 may be configured as circle, and the supporting rib 36 of bottom settable more, and
It radially distributes.Gap 37 is formed between the inner wall and supporting rib 36 of cavity 32, gap 37 is radiated for thermal grease to be arranged
Silica gel one side is contacted with inductance, and another side is contacted with radiator 2, can thus be radiated by thermal grease to inductance, because
This is not necessarily to that dedicated metal shell is being arranged.
For the ease of wiring, the deck for placing the first connecting terminal 35 is equipped on the outer peripheral surface of plastic shell 31
34, deck 34 and plastic shell 31 are integrated mechanism deck 34 equipped with card slot, and the first connecting terminal 35 is clamped with deck 34.For
Convenient for fixing, the bottom of plastic shell 31 is equipped with threaded hole 38, can be directly fixed on plastic shell 31 by threaded hole 38
On radiator.
Cavity is arranged in this inductance box structure on plastic shell, supporting rib is arranged in the bottom of cavity, and in cavity
Gap for placing thermal grease is set between inner wall and supporting rib, thus the inductance box can be directly anchored to inverter
Heat sink on, radiated by thermal grease, heat sink to inductance, supporting rib can also be kept away other than being supported to inductance
Exempt from inductance and is directly contacted with heat sink, it can external inductance offer safe distance, reduction thermal resistance.
As shown in Figure 5,6, deck 34 is arranged on the outer peripheral surface of plastic shell 31, and deck 34 is equipped with a card slot 39, the
One connecting terminal 35 is connected in card slot 39.First connecting terminal 35 includes first connecting portion 351 and second connecting portion 356, the
For connecting with the connecting line on inductance, second connecting portion 356 is used to connect with the connecting terminal on circuit board one interconnecting piece 351
It connects.First connecting portion 351 is located on the first elastic arm 352, and the first elastic arm 352 is that an elastic component can swing.Second connects
Socket part 356 is located on the second elastic arm 355, and the second elastic arm 355 can also swing up and down for an elastic component, the first elastic arm 352
It is vertical with the second elastic arm 355 to connect.It is clamped for the ease of the first connecting terminal 35 with card slot 39, on the first elastic arm 352
It is additionally provided with a snap-gauge 353, snap-gauge 353 is movable to be connected in card slot 39, and snap-gauge 353 can move left and right in card slot 39.
Using this structure, connecting terminal can move back and forth in three axial directions of up, down, left, right, before and after, in this way can be just
It can be very good to make the connecting terminal on the connecting terminal and circuit board on inductance box to be cooperatively connected, so as to effectively improve terminal
Between electrical connection reliability, reduce electrical loss, while the assembling speed of inverter can be effectively improved, improve assembling effect
Rate.
As shown in fig. 7, specific embodiment as one preferred, in order to facilitate the first connecting terminal 35 and card slot 39
One semicircular raised 311 can be respectively set on the inner wall of 39 two sides of card slot, while distinguishing at the both ends of snap-gauge 353 for connection
One semicircular groove 354 is set, and protrusion 311 is corresponding with 354 position of groove.It can be very easily using this structure
Connecting terminal is fixed, and no longer needs to that other devices are arranged, structure is very simple.
A cable connecting hole can be equipped in first connecting portion 351 as a preferred method, by cable connecting hole with
Opening 357 can be arranged for the ease of connection in cable connection on inductance on the side of cable connecting hole.In this way
The insertion and compression of cable can be facilitated, while can directly be connect with the cable of inductance, link node is reduced, reduce loss and improve
The reliability of electrical connection.Bolt connecting hole in second connecting portion can facilitate the connecting terminal on connecting terminal 4 and circuit board
It is attached by bolt.
First connecting terminal 35 be equipped with can the first elastic arm of swing, the second elastic arm that can swing up and down, and
It can be moved left and right in card slot, the connecting terminal can arbitrarily be moved in three axial directions in this way, thus can effectively more
The cumulative errors occurred in an assembling process due to pcb board, I/O PCB plate are mended, the terminal on connecting terminal and circuit board can be made
Enhanced convenience is connected, so as to effectively improve the speed of inverter assembling, improves working efficiency.Simultaneously using this structure
Connecting terminal can be reduced due to terminal thermal deformation bring circuit connection risk, can be effectively improved the quality of connection of route, can be made
Line connection is more reliable, can reduce the contact that is electrically connected in inverter, reduces loss.
As shown in Figure 8,9, second connection end 5, second connection end are additionally provided in the PCB circuit board 4 in shell 1 outside the enclosure
The number of son 5 can be set as needed, and the input of circuit, output end can be connect with connecting terminal 2 in PCB circuit board 4.Such as figure
Shown in 10, the second connecting terminal 5 includes fixing seat 51 and elastic slice 53, sets that there are four pins 52 in fixing seat 51, passes through pin 52
Pluggable the end of pin 52 is semicircle in PCB circuit board 4, is convenient for grafting and fixation in this way.Fixing seat 51 is fixed on
In PCB circuit board 4, the output end or input terminal of the printed circuit in PCB circuit board are electrically connected with fixing seat 51.Elastic slice 53 includes
One bending section 54 and an elastic arm 55, one end of bending section 54 are connect with fixing seat 51, the other end and elastic arm of bending section 54
55 connections, bending section 54 are an integral molding structure with elastic arm 55, this spline structure is more secured, and are processed more square
Just.The terminals of elastic arm 55 stretch out PCB circuit board 4, through-hole 56 are equipped in the terminals of elastic arm 55, using this structure side
Just the second connecting terminal 5 connect (as shown in figure 11) with the first connecting terminal 35.
Bending section 54 is bent upwards as a preferred method, and elastic arm 55 is located at 51 top of fixing seat, while can be curved
Setting lining muscle, can effectively improve the intensity of bending section, while elastic arm can be made more to have elasticity in this way on the medial surface of pars convoluta.
It is connected and fixed seat and elastic arm by a bending section, can make elastic arm that more there is elasticity in this way, and elastic arm or more can be made
Direction swings biggish distance, can thus effectively eliminate the tolerance due to circuit board fabrication, assembly accumulation.
Inductance box is arranged inside shell outside the enclosure the photovoltaic DC-to-AC converter, connects inductance box radiator by thermal grease,
And then can radiate to the inductance in inductance box, using this structure, without radiating using inductance box, therefore inductance
Box may be configured as plastic material, can effectively reduce production cost in this way, while the inverter inductor box of this structure is arranged in case
Inside body case, the assembling enhanced convenience of inverter can be made, production efficiency can be effectively improved.The inverter also sets up to match and be combined
The first connecting terminal, the second connecting terminal of dress, can effectively be made up using this terminal structure due to pcb board, I/O PCB
The cumulative errors that plate occurs in an assembling process can make connecting terminal connect enhanced convenience, so as to effectively improve inverter
The speed of assembling improves working efficiency.It can be reduced using the connecting terminal of this structure due to terminal thermal deformation bring simultaneously
Circuit connection risk can effectively improve the quality of connection of route, and line connection can be made more reliable, can reduce the electricity in inverter
Tie point reduces loss, while can make to be routed more beautiful, reduces artificial and material, reduces enterprise's production cost.So
The present invention effectively overcomes various shortcoming in the prior art and has high industrial utilization value.
The above-described embodiments merely illustrate the principles and effects of the present invention, and is not intended to limit the present invention.It is any ripe
The personage for knowing this technology all without departing from the spirit and scope of the present invention, carries out modifications and changes to above-described embodiment.Cause
This, institute is complete without departing from the spirit and technical ideas disclosed in the present invention by those of ordinary skill in the art such as
At all equivalent modifications or change, should be covered by the claims of the present invention.
Claims (9)
1. a kind of photovoltaic DC-to-AC converter, including cabinet shell, the cabinet shell is interior equipped with PCB circuit board and electrical component, described
The bottom of cabinet shell is equipped with radiator, it is characterised in that: an inductance box, the inductance box packet are additionally provided in the cabinet shell
A plastic shell is included, the plastic shell is equipped at least one cavity, and the upper and lower ends of the cavity are hatch frame, institute
It states and is equipped with inductance in cavity, the inductance box is fixed on the radiator, is equipped between the inductance box and the radiator
Thermal grease, the outer peripheral surface of the inductance box are equipped with card slot, are equipped with the first connecting terminal, first wiring in the card slot
Terminal includes first connecting portion and second connecting portion, and the first connecting portion is located at can be on the first elastic arm of swing, institute
It states second connecting portion to be located on the second elastic arm that can be swung up and down, first elastic arm is vertical with second elastic arm to be connected
It connects.
2. photovoltaic DC-to-AC converter according to claim 1, it is characterised in that: the bottom of inductance box inner cavity is equipped with support
Muscle forms the gap for placing thermal grease between the inner wall of the cavity and the supporting rib.
3. photovoltaic DC-to-AC converter according to claim 2, it is characterised in that: the supporting rib radially distributes.
4. photovoltaic DC-to-AC converter according to claim 1, it is characterised in that: the outer peripheral surface of the inductance box is equipped with deck,
The card slot is located on the deck.
5. photovoltaic DC-to-AC converter according to claim 1, it is characterised in that: first elastic arm is equipped with a snap-gauge, institute
That states that snap-gauge can move left and right is connected in the card slot.
6. photovoltaic DC-to-AC converter according to claim 5, it is characterised in that: be equipped with one on the inner wall of the two sides of the card slot
The both ends of protrusion, the snap-gauge are equipped with groove corresponding with the raised position.
7. photovoltaic DC-to-AC converter according to claim 1, it is characterised in that: the first connecting portion is connected equipped with a cable
Hole, the second connecting portion are equipped with a bolt connecting hole.
8. photovoltaic DC-to-AC converter according to claim 1, it is characterised in that: the PCB circuit board is equipped with the second terminals
Son, the connecting terminal include fixing seat and elastic slice, and the fixing seat is fixed in the PCB circuit board, the fixing seat with
Printed circuit electrical connection in the PCB circuit board, the elastic slice includes bending section and third elastic arm, and the one of the bending section
End is connect with the fixing seat, and the other end of the bending section is connect with the third elastic arm, and the third elastic arm connects
Line end stretches out the PCB circuit board.
9. photovoltaic DC-to-AC converter according to claim 8, it is characterised in that: the fixing seat is equipped with pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610316981.XA CN105763077B (en) | 2016-05-12 | 2016-05-12 | A kind of photovoltaic DC-to-AC converter |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610316981.XA CN105763077B (en) | 2016-05-12 | 2016-05-12 | A kind of photovoltaic DC-to-AC converter |
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| CN105763077A CN105763077A (en) | 2016-07-13 |
| CN105763077B true CN105763077B (en) | 2019-05-10 |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106046686A (en) * | 2016-07-28 | 2016-10-26 | 江苏昌悦重工科技有限公司 | Inverter box house |
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| CN202872678U (en) * | 2012-10-11 | 2013-04-10 | 武汉力行远方电源科技有限公司 | Group series type photovoltaic inverter |
| CN203840219U (en) * | 2014-05-08 | 2014-09-17 | 浙江曼奈柯斯电气科技有限公司 | Photovoltaic grid-connected inverter |
| CN204442889U (en) * | 2015-03-06 | 2015-07-01 | 深圳市英威腾电气股份有限公司 | Cabinet and photovoltaic DC-to-AC converter |
| CN204615675U (en) * | 2015-05-13 | 2015-09-02 | 江苏固德威电源科技有限公司 | Three-phase inverter |
| CN204886665U (en) * | 2015-08-31 | 2015-12-16 | 上海迅磊变频器有限公司 | Three proofings type totally -enclosed converter |
| CN205754007U (en) * | 2016-05-12 | 2016-11-30 | 苏州欧姆尼克新能源科技有限公司 | A kind of photovoltaic DC-to-AC converter |
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2016
- 2016-05-12 CN CN201610316981.XA patent/CN105763077B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202872678U (en) * | 2012-10-11 | 2013-04-10 | 武汉力行远方电源科技有限公司 | Group series type photovoltaic inverter |
| CN203840219U (en) * | 2014-05-08 | 2014-09-17 | 浙江曼奈柯斯电气科技有限公司 | Photovoltaic grid-connected inverter |
| CN204442889U (en) * | 2015-03-06 | 2015-07-01 | 深圳市英威腾电气股份有限公司 | Cabinet and photovoltaic DC-to-AC converter |
| CN204615675U (en) * | 2015-05-13 | 2015-09-02 | 江苏固德威电源科技有限公司 | Three-phase inverter |
| CN204886665U (en) * | 2015-08-31 | 2015-12-16 | 上海迅磊变频器有限公司 | Three proofings type totally -enclosed converter |
| CN205754007U (en) * | 2016-05-12 | 2016-11-30 | 苏州欧姆尼克新能源科技有限公司 | A kind of photovoltaic DC-to-AC converter |
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| Publication number | Publication date |
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| CN105763077A (en) | 2016-07-13 |
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Effective date of registration: 20210127 Address after: 315700 No.25, group 7, Paitou village, Xizhou Town, Xiangshan County, Ningbo City, Zhejiang Province Patentee after: Wu Xu Address before: 215000 room 314, building A4, bio nano Park, 218 Xinghu street, Suzhou Industrial Park, Jiangsu Province Patentee before: OMNIK NEW ENERGY Co.,Ltd. |
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Effective date of registration: 20210210 Address after: 315700 No.57 jintongdao, Binhai Industrial Park, Xiangshan Economic Development Zone, Ningbo City, Zhejiang Province Patentee after: Jinlang Technology Co., Ltd Address before: 315700 No.25, group 7, Paitou village, Xizhou Town, Xiangshan County, Ningbo City, Zhejiang Province Patentee before: Wu Xu |
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