CN208195206U - A kind of solar battery board cleaning device - Google Patents
A kind of solar battery board cleaning device Download PDFInfo
- Publication number
- CN208195206U CN208195206U CN201820281077.4U CN201820281077U CN208195206U CN 208195206 U CN208195206 U CN 208195206U CN 201820281077 U CN201820281077 U CN 201820281077U CN 208195206 U CN208195206 U CN 208195206U
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- Prior art keywords
- solar panel
- cleaning device
- solar battery
- spool
- battery board
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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
Abstract
The utility model belongs to area of solar cell, more particularly to a kind of solar battery board cleaning device, including solar panel, light transmission film, storage device and sealing device, storage device includes the driven spool and active spool for being separately positioned on solar panel two sides, and active spool connects motor；Light transmission film one ends wound is wrapped on active spool after other end covering solar panel on driven spool；Sealing device includes the sealing ring and gasket for being separately positioned on light transmission film or more two sides, and sealing ring connection sealing supports, and gasket is arranged on the frame of solar panel.The utility model is simple and reasonable, solar panel light-receiving surface is placed in enclosure space, under the premise of not contact solar cell plate light-receiving surface, achievees the purpose that waterproof, anti-dirt；By the orientation automatic winding of soft light film, high transparency is kept for a long time, promotes the generating efficiency of solar panel.
Description
Technical field
The utility model belongs to solar cell device technical field, and in particular to a kind of solar panel sanitizer cartridge
It sets.
Background technique
Global energy consumption is growing, and lack of energy and environmental pollution are two big challenges of facing mankind, solar energy
This cleaning, renewable energy will be one of our selections.According to national energy office data, by 2016, China's photovoltaic
Total installed capacity amount occupies the whole world first up to 77,420,000 kilowatts.Solar panel is installed outdoors, in arid area solar battery
The accumulation of plate light-receiving surface dust is more, easily adheres to fallen leaves and bird excrement etc. in humid region solar panel light-receiving surface, finally
Lead to decrease of power generation.So the surface cleaning of solar panel becomes a great problem of photovoltaic industry.
In order to solve this problem, a variety of solar panel dedusting cleaning devices were had disclosed, such as
CN101195116, CN104014510A, CN102688873A, CN104014516A.The direct contact solar cell of cleaning tool
The dedusting method of plate light-receiving surface, dust granule are cleaned tool pressure and are attached to the movement of solar panel light-receiving surface, use for a long time
Scratch can be generated in solar panel light-receiving surface, directly reduction solar panel generating efficiency and service life.Electromagnetic meter
The contactless dedusting methods such as face dedusting, supersonic dust removal, high-pressure jet (water) dedusting, can not clear up strong adhesive capacity, volume
Biggish dirt, such as bird excrement and leaf damage solar panel to cause tropical island effect.
Utility model content
Purpose of the utility model is to solve problems of the prior art, and it is clear to provide a kind of solar panel
Solar panel light-receiving surface is placed in enclosure space, under the premise of not contact solar cell plate light-receiving surface, reached by clean device
To waterproof, the purpose of anti-dirt；By the orientation automatic winding of soft light film, high transparency is kept for a long time, promotes the sun
The generating efficiency of energy solar panel.
To achieve the above object, the technical scheme adopted by the utility model is a kind of solar battery board cleaning device,
Including solar panel, light transmission film, storage device and sealing device, the storage device includes being separately positioned on too
The driven spool and active spool of positive energy solar panel two sides, the active spool connect motor；Described light transmission film one end
It is wrapped on driven spool, is wrapped on active spool after other end covering solar panel；The sealing device includes
It is separately positioned on the sealing ring and gasket of light transmission film or more two sides, the sealing ring connection sealing support, described is close
Packing is arranged on the frame of solar panel；The frame is equipped with bracket, the driven spool and active spool
It is fixed on bracket, air bag is equipped between the sealing support and bracket, and be also connected between sealing support and bracket pre-
Tight element；The air bag is connected with air pump.
Preferably, the air pump includes pressure generator and valve seat, and the valve seat side enters equipped with high pressure gas
Mouthful, the other side is equipped with inflating port and gas leakage mouth, and the pressure generator is connected with pressurized gas inlet, the inflation
Mouthful be connected with air bag, be equipped with driving chamber inside the valve seat, in the driving chamber equipped with gas pressure can on move down
Dynamic diaphragm, the diaphragm are equipped with drive hole.
Preferably, the drive hole and inflating port it is in the same size and setting on the same axis, on the drive hole
The valve seat of side is equipped with block.
Preferably, the pressure generator is can to provide the device of lasting air pressure, is electromagnetic drive air pump, piezoelectricity
Drive one or more of air pump or memorial alloy driving air pump.
Preferably, the air pump is equipped with one or more.
Preferably, the preload element is one or more of shape memory alloy, spring, magnet, mass block.
Preferably, idler wheel is equipped with above the driven spool and active spool.
Preferably, enclosure space is formed between the light transmission film, gasket, solar panel and frame.
Preferably, the light transmission film is the flexible material of big light transmittance.
Preferably, the active spool side is additionally provided with scraper plate and foreign matter containing box.
After adopting the above technical scheme, the utility model has the following beneficial effects:
A kind of solar battery board cleaning device provided by the utility model, by the course of work be divided into nature pre-tighten, inflation,
High pressure is kept and exhaust four-stage successively carries out, and solar panel can be carried out primary effectively cleaning, length and be much larger than
The soft light film of solar panel recycles the aforementioned four stage, orients automatic winding, can be realized solar panel
Long-term cleaning, clean soft light film is largely wrapped on driven spool, and the soft light film of pollution is gradually twined
On active spool, soft light film can be reused whithin a period of time after removing cleaning.
In conclusion the utility model under the premise of not damaging solar panel, solves its surface cleaning problem,
Solar panel is set to keep high transparency for a long time；Utilize soft light film, solar panel and solar battery edges of boards
Frame constitute enclosure space solar panel light-receiving surface is protected, can to avoid solar panel light-receiving surface directly and
Cleaning tool Long Term Contact and scratch, extraneous dirt is all adhered to soft light film surface, as soft light film is fixed
To automatic winding, all dirts can be removed, and solar panel keeps high light transmittance for a long time；In addition to this, the device is logical
It crosses the pretightning force that preload element provides and keeps normally closed, only the air pump and motor when needing replacing soft light film with steam leak-off valve
Short time work is carried out, therefore the energy consumption of the present apparatus is rather low；Under the premise of not sacrificing performance, the choosing of soft light film
Select the lower material of price, such as PET, and soft light film can Reusability within a certain period of time, therefore this is practical
It is novel that there is apparent cost advantage.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of solar battery board cleaning device of the utility model；
Fig. 2 is air bag and atmosphere, and sealing ring is close to fexible film schematic diagram；
Fig. 3 is that air bag is pressurized after inflation, and sealing ring is far from fexible film schematic diagram；
Fig. 4 is air pump exhaust condition schematic diagram；
Fig. 5 is air-pump inflating status diagram；
Fig. 6 is one schematic diagram of embodiment；
Fig. 7 is two schematic diagram of embodiment；
Fig. 8 is three schematic diagram of embodiment；
Fig. 9 is example IV schematic diagram.
Wherein: air pump 1 pre-tightens element 2, air bag 3, sealing support 4, sealing ring 5, bracket 6, driven spool 7, frame 8, too
Positive energy solar panel 9, enclosure space 10, light transmission film 11, gasket 12, motor 13, active spool 14, idler wheel 15, air pressure occur
Device 16, pressurized gas inlet 17, driving chamber 18, diaphragm 19, valve seat 20, gas leakage mouth 21, inflating port 22, drive hole 23, block
24。
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawings and detailed description.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " Gu
It is fixed " etc. terms should broadly understood, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be
Mechanical connection, is also possible to be electrically connected；It can be directly connected, two can also be can be indirectly connected through an intermediary
The interaction relationship of connection or two elements inside element.It for the ordinary skill in the art, can basis
Concrete condition understands the concrete meaning of above-mentioned term in the present invention.
As shown in Figure 1, be the utility model a kind of solar battery board cleaning device, including solar panel 9, thoroughly
Optical thin film 11, storage device and sealing device, the storage device include being separately positioned on 9 two sides of solar panel
Driven spool 7 and active spool 14, the active spool 14 connect motor 13,11 one ends wound of light transmission film from
On dynamic spool 7, it is wrapped on active spool 14 after other end covering solar panel 9, the sealing device includes difference
The sealing ring 5 and gasket 12 of about 11 two sides of light transmission film are set, and the connection sealing of sealing ring 5 support 4 is described
Gasket 12 is arranged on the frame 8 of solar panel 9, and the frame 8 is equipped with bracket 6,7 He of driven spool
Active spool 14 is fixed on the frame 6, air bag 3 is equipped between the sealing support 4 and bracket 6, and seal support 4 and bracket
It is also connected between 6 and pre-tightens element 2, the air bag 3 is connected with air pump 1.
Wherein, the air pump 1 includes pressure generator 16 and valve seat 20, and 20 side of valve seat is equipped with high pressure gas
Body entrance 17, the other side are equipped with inflating port 22 and gas leakage mouth 21, the pressure generator 16 and 17 phase of pressurized gas inlet
Connection, the inflating port 22 are connected with air bag 3, and driving chamber 18, the driving chamber 18 are equipped with inside the valve seat 20
Interior to be equipped with gas pressure diaphragm 19 moving up and down, the diaphragm 19 is equipped with drive hole 23, the drive hole 23
On the same axis, the valve seat 20 of 23 top of drive hole is equipped with block 24 for and setting in the same size with inflating port 22,
The pressure generator 16 is can to provide the device of lasting air pressure, is electromagnetic drive air pump, Piezoelectric Driving air pump or note
Recall one or more of alloy driving air pump, the air pump 1 is equipped with one or more, and the preload element 2 is memory
One or more of alloy sheet, spring, magnet, mass block are equipped with rolling above the driven spool 7 and active spool 14
Wheel 15 forms enclosure space 10 between the light transmission film 11, gasket 12, solar panel 9 and frame 8, described
Light transmission film 11 is the flexible material of big light transmittance, and 14 side of active spool is additionally provided with scraper plate and foreign matter containing box.
In order to discuss conveniently, the utility model is divided into two parts: pre-stressed portion and wound membrane part.Pre-stressed portion includes:
Air pump 1 pre-tightens element 2, air bag 3, sealing support 4, sealing ring 5 and bracket 6.Wound membrane part include: driven spool 7, frame 8,
Solar panel 9, enclosure space 10, light transmission film 11, gasket 12, motor 13, active spool 14 and idler wheel 15.Preload portion
It is allocated as guaranteeing that the leakproofness of enclosure space 10, key are to pre-tighten element 2 with being that light transmission film 11 is pressed on gasket 12
Construction and arrangement mode.The orientation automatic winding of light transmission film 11 is realized in wound membrane part, keeps solar panel for a long time
High transparency.
A kind of solar battery board cleaning device preload element specific embodiment is as described below:
Embodiment one
It is as shown in Figure 6: a kind of pre-stressed portion of solar battery board cleaning device by air pump 1, pre-tighten element 2, air bag 3,
Sealing support 4, sealing ring 5 and bracket 6 form.Wherein air pump 1 is connected to 3 inner cavity of air bag, 3 outer surface of air bag and bracket 6, sealing
Support 4 contacts with each other, and pre-tightens 2 one end connecting bracket 6 of element, other end connection sealing support 4, sealing ring 5 is fixed on sealing branch
Support 4, preload element 2 are shape memory alloy.
Embodiment two
It is as shown in Figure 7: a kind of solar battery board cleaning device pre-stressed portion be by air pump 1, pre-tighten element 2, air bag 3,
Sealing support 4, sealing ring 5 and bracket 6 form.Wherein air pump 1 is connected to 3 inner cavity of air bag, 3 outer surface of air bag and bracket 6, sealing
Support 4 contacts with each other, and pre-tightens 2 one end connecting bracket 6 of element, other end connection sealing support 4, sealing ring 5 is fixed on sealing branch
Support 4, preload element 2 are spring.
Embodiment three
It is as shown in Figure 8: a kind of solar battery board cleaning device pre-stressed portion be by air pump 1, pre-tighten element 2, air bag 3,
Sealing support 4, sealing ring 5 and bracket 6 form.Wherein air pump 1 is connected to 3 inner cavity of air bag, 3 outer surface of air bag and bracket 6, sealing
Support 4 contacts with each other, and pre-tightens 2 one end connecting bracket 6 of element, other end connection sealing support 4, sealing ring 5 is fixed on sealing branch
Support 4, preload element 2 are one group of magnet, can be permanent magnet, are also possible to electromagnet.
Example IV
It is as shown in Figure 9: a kind of solar battery board cleaning device pre-stressed portion be by air pump 1, pre-tighten element 2, air bag 3,
Sealing support 4, sealing ring 5 and bracket 6 form.Wherein air pump 1 is connected to 3 inner cavity of air bag, 3 outer surface of air bag and bracket 6, sealing
Support 4 contacts with each other, and pre-tightens element 2 and is fixed in connection sealing support 4, and can be moved with respect to bracket 6, sealing ring 5 is solid
Due to sealing support 4, preload element 2 is mass block.
A kind of working principle of solar battery board cleaning device provided by the utility model is as follows: the course of work is divided into four
A stage: stage, aeration phase, high pressure holding stage and exhaust phase are pre-tightened naturally.Air pump 1 stops working, pressure in air bag 3
Equal to external atmosphere pressure, 3 volume of air bag is minimum, this is that nature pre-tightens the stage；Air pump 1 is started to work, and pressure gradually increases in air bag 3
Greatly, 3 volume of air bag is gradually increased, this is aeration phase；Air pump 1 works on, and 3 internal pressure power of air bag is maintained at air pump 1 and can provide
Maximum pressure, 3 volume of air bag keeps maximum, this is that high pressure is kept for the stage；Air pump 1 stops working, and pressure gradually subtracts in air bag 3
Small, 3 volume of air bag is gradually reduced, this is exhaust phase.
Naturally the stage is pre-tightened, the pressure generator 16 of air pump 1 does not work, and block 24 is close in 23 upper end of drive hole, drives
Dynamic chamber 18 can not be connected to drive hole 23, and inflating port 22 and gas leakage mouth 21 are interconnected, and 3 inner cavity of air bag is directly connected to extraneous big at this time
Gas, pressure is equal to external atmosphere pressure in air bag 3, flows inside device without gas, in the pretightning force effect for pre-tightening element 2 and providing
Under, light transmission film 11 is pressed on gasket 12 by sealing ring 5, light transmission film 11, gasket 12, solar panel 9 and too
Positive energy solar panel frame 8 collectively forms an enclosure space 10, which avoids solar panel 9 from contacting extraneous dirt
Object.
The pressure generator 16 of aeration phase, air pump 1 is started to work, and 18 pressure of driving chamber increases, and diaphragm 19 is forced to become
Shape moves down, and 23 upper end of drive hole is connected to by drive hole 23 with inflating port 22 far from block 24, driving chamber 18, gas leakage mouth 21
It is blocked by diaphragm 19, high pressure gas flows to air bag 3 by driving chamber 18, and the air bag of expansion overcomes pretightning force to keep sealing ring 5 gradually remote
From light transmission film 11.
High pressure is kept for the stage, and the pressure generator 16 of air pump 1 continues working, the pressure inside air bag 3 is persistently maintained
The maximum pressure that can be provided to air pump 1, sealing ring 5 thoroughly leaves light transmission film 11, between light transmission film 11 and gasket 12
Force of sliding friction very little, motor 13 are started to work, and active spool 14 is driven to rotate, and the light transmission film 11 of contaminated part is wound into
On active spool 14, while driven spool 7 being driven to release clean light transmission film 11, so that on 9 light-receiving surface of solar panel
Clean light transmission film 11 is unfolded in Fang Chongxin.
The pressure generator 16 of exhaust phase, motor 13 and air pump 1 stops working, and 18 pressure of driving chamber reduces, diaphragm
19 restore origin-locations, and block 24 is close in 23 upper end of drive hole, and inflating port 22 and gas leakage mouth 21 are interconnected, gas leakage mouth 21 and outer
Portion's atmosphere, the high pressure gas in air bag 3 are discharged into ambient atmosphere through inflating port 22, gas leakage mouth 21, and 3 air pressure inside of air bag is gradually
Reduce, the air bag 3 of diminution can not overcome pretightning force, and light transmission film 11 is pressed on gasket 12 by sealing ring 5, light transmission film
11, the enclosure space 10 that gasket 12, solar panel 9 and solar panel frame 8 collectively form is formed again.
The above four-stage successively carries out, and solar panel can be carried out primary effectively cleaning.Length is much larger than too
The wide soft light film of positive energy solar panel, recycles the aforementioned four stage, can be realized the long-term cleaning of solar panel.It is dry
Net soft light film is largely wrapped on driven spool, and the soft light film of pollution is gradually wound onto active spool
On, soft light film can be reused whithin a period of time after removing cleaning.
Under the premise of not damaging solar panel, solves its surface cleaning problem, keep solar panel long-term
Keep high transparency.The enclosure space pair constituted using soft light film, solar panel and solar panel frame
Solar panel light-receiving surface is protected, can to avoid solar panel light-receiving surface directly and cleaning tool Long Term Contact
And scratch, extraneous dirt is all adhered to soft light film surface, as soft light film orients automatic winding, all dirts
Object can be removed, and solar panel keeps high light transmittance for a long time, if can be actively in the case that large-scale foreign matter is more
Spool side addition scraper plate and foreign matter containing box, the foreign matter to fall off when having the film of dirt to store winding, to guarantee in the cavity
Cleaning.In addition to this, which keeps normally closed by pre-tightening the pretightning force that element provides, only to need replacing soft light thin
Air pump and motor when film with steam leak-off valve carry out short time work, therefore the energy consumption of the present apparatus is rather low.In not sacrifice
Under the premise of energy, soft light film selects the lower material of price, such as PET, and soft light film can be certain
Reusability in time, therefore the present invention has apparent cost advantage.
The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not
It is confined to this, anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this
Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (10)
1. a kind of solar battery board cleaning device, it is characterised in that: including solar panel (9), light transmission film (11), receive
Receive device and sealing device；
The storage device includes the driven spool (7) and active spool for being separately positioned on solar panel (9) two sides
(14), the active spool (14) connects motor (13)；
On driven spool (7), other end covering solar panel (9) is wound light transmission film (11) one ends wound afterwards
On active spool (14)；
The sealing device includes the sealing ring (5) and gasket (12) for being separately positioned on light transmission film (11) two sides up and down,
The frame (8) in solar panel (9) is arranged in sealing ring (5) the connection sealing support (4), the gasket (12)
On；
The frame (8) is equipped with bracket (6), and the driven spool (7) and active spool (14) are fixed on bracket (6)
On, air bag (3) are equipped between the sealing support (4) and bracket (6), and seal and be also connected between support (4) and bracket (6)
There are preload element (2)；
The air bag (3) is connected with air pump (1).
2. a kind of solar battery board cleaning device according to claim 1, it is characterised in that: air pump (1) packet
Pressure generator (16) and valve seat (20) are included, the valve seat (20) side is equipped with pressurized gas inlet (17), and the other side is set
There are inflating port (22) and gas leakage mouth (21), the pressure generator (16) is connected with pressurized gas inlet (17), described
Inflating port (22) be connected with air bag (3), be equipped with driving chamber (18) inside the valve seat (20), the driving chamber (18)
Interior to be equipped with gas pressure diaphragm moving up and down (19), the diaphragm (19) is equipped with drive hole (23).
3. a kind of solar battery board cleaning device according to claim 2, it is characterised in that: the drive hole (23)
On the same axis, the valve seat (20) above the drive hole (23) is equipped with gear for and setting in the same size with inflating port (22)
Block (24).
4. a kind of solar battery board cleaning device according to claim 3, it is characterised in that: the air pressure fills
Setting (16) is that can provide the device of lasting air pressure, is electromagnetic drive air pump, Piezoelectric Driving air pump or memorial alloy driving air pump
One or more of.
5. a kind of solar battery board cleaning device according to claim 4, it is characterised in that: the air pump (1) is set
There is one or more.
6. a kind of solar battery board cleaning device according to claim 1, it is characterised in that: the preload element
It (2) is one or more of shape memory alloy, spring, magnet, mass block.
7. a kind of solar battery board cleaning device according to claim 1, it is characterised in that: the driven spool
(7) and above active spool (14) idler wheel (15) are equipped with.
8. a kind of solar battery board cleaning device according to claim 7, it is characterised in that: the light transmission film
(11), enclosure space (10) are formed between gasket (12), solar panel (9) and frame (8).
9. a kind of solar battery board cleaning device according to claim 1, it is characterised in that: the light transmission film
It (11) is the flexible material of big light transmittance.
10. a kind of solar battery board cleaning device according to claim 1, it is characterised in that: the active spool
(14) side is additionally provided with scraper plate and foreign matter containing box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820281077.4U CN208195206U (en) | 2018-02-28 | 2018-02-28 | A kind of solar battery board cleaning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820281077.4U CN208195206U (en) | 2018-02-28 | 2018-02-28 | A kind of solar battery board cleaning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208195206U true CN208195206U (en) | 2018-12-07 |
Family
ID=64535622
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820281077.4U Active CN208195206U (en) | 2018-02-28 | 2018-02-28 | A kind of solar battery board cleaning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208195206U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109675903A (en) * | 2018-02-28 | 2019-04-26 | 常州威图流体科技有限公司 | A kind of solar battery board cleaning device |
| EP3714997A1 (en) * | 2019-03-29 | 2020-09-30 | Total SA | Protecting equipment for solar panels |
-
2018
- 2018-02-28 CN CN201820281077.4U patent/CN208195206U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109675903A (en) * | 2018-02-28 | 2019-04-26 | 常州威图流体科技有限公司 | A kind of solar battery board cleaning device |
| CN109675903B (en) * | 2018-02-28 | 2024-04-09 | 常州威图流体科技有限公司 | Solar cell panel cleaning device |
| EP3714997A1 (en) * | 2019-03-29 | 2020-09-30 | Total SA | Protecting equipment for solar panels |
| WO2020200990A1 (en) * | 2019-03-29 | 2020-10-08 | Total Se | Protecting equipment for solar panels |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder |
Address after: 213164 room 2521, North Tower, Hui Yan building, Changzhou science and Education Town, 18 Wujin Road, Wujin, Changzhou. Patentee after: Changzhou Weitu Fluid Technology Co. Ltd. Address before: 213164 room 2521, North Tower, Hui Yan building, Changzhou science and Education Town, 18 Wujin Road, Wujin, Changzhou. Patentee before: Changzhou Weitu Fluid Technology Co. Ltd. |
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| CP02 | Change in the address of a patent holder |