CN111495885A - L ED digital display screen with drive control - Google Patents
L ED digital display screen with drive control Download PDFInfo
- Publication number
- CN111495885A CN111495885A CN202010481339.3A CN202010481339A CN111495885A CN 111495885 A CN111495885 A CN 111495885A CN 202010481339 A CN202010481339 A CN 202010481339A CN 111495885 A CN111495885 A CN 111495885A
- Authority
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- China
- Prior art keywords
- fixed
- display screen
- digital display
- dust
- fixed frame
- 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
Links
- 239000000428 dust Substances 0.000 claims abstract description 40
- 239000002390 adhesive tape Substances 0.000 claims abstract description 29
- 230000007246 mechanism Effects 0.000 claims description 30
- 238000001179 sorption measurement Methods 0.000 claims description 15
- 230000000694 effects Effects 0.000 claims description 4
- 239000011324 bead Substances 0.000 claims 2
- 238000010521 absorption reaction Methods 0.000 claims 1
- 238000007789 sealing Methods 0.000 abstract description 7
- 238000005192 partition Methods 0.000 abstract description 4
- 238000004140 cleaning Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- GYHNNYVSQQEPJS-UHFFFAOYSA-N Gallium Chemical compound [Ga] GYHNNYVSQQEPJS-UHFFFAOYSA-N 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical group [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 229910052785 arsenic Inorganic materials 0.000 description 1
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008275 binding mechanism Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910052733 gallium Inorganic materials 0.000 description 1
- 229910052738 indium Inorganic materials 0.000 description 1
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B7/00—Cleaning by methods not provided for in a single other subclass or a single group in this subclass
- B08B7/0028—Cleaning by methods not provided for in a single other subclass or a single group in this subclass by adhesive surfaces
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
- G09F9/33—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being semiconductor devices, e.g. diodes
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The invention discloses a drive-controlled L ED digital display screen, which comprises a control key, a screen, a fixed frame, a plug and a sealing edge, wherein the fixed frame is connected around the screen, the signal end of the control key is electrically connected with the screen, the plug is arranged on the fixed frame, the sealing edge is arranged at the edge of the fixed frame, an anti-collision opening, a partition strip, a dust-binding adhesive tape, a sliding rotating shaft, a circuit board and a control end are formed in the fixed frame, the control end is electrically connected with the control key, the anti-collision opening is arranged at the left side and the right side of the control end, the partition strip is arranged between the circuit board and the control end, two sides of the circuit board are provided with tracks movably matched with the sliding rotating shaft, and the sliding rotating shaft is mechanically connected with the dust-binding adhesive tape.
Description
Technical Field
The invention relates to the technical field of display screens, in particular to an L ED digital display screen with driving control.
Background
L ED display screen is a flat panel display, which is composed of L ED module panels, used for displaying various information such as characters, images, videos, video signals, etc., L ED, and light emitting diodes.
The LED display screen is a display mode by controlling a semiconductor LED, the LED is made of compounds of gallium (Ga) and arsenic (As), phosphorus (P), nitrogen (N) and indium (In), when electrons and holes are compounded, visible light can be radiated, so the LED can be made into an LED, the LED can be used As an indicator lamp In circuits and instruments, or forms character or digital display, the traditional L ED digital display screen manufacturing process generally adopts a pin-out mode, a light source, a PCB (printed circuit board), a plastic shell and other parts are connected through pin pins of a guide pin, the adopted light source is a L ED wafer, a L ED digital display screen has various use environments, the dust accumulation phenomenon often occurs at the joint position of the guide pin and the PCB, the phenomenon of wire hooking often occurs when the existing technology is cleaned by a cotton swab or dry cloth, a silk wire is wound on the guide pin, if dry air is directly used for dust removal, the dust flies to pollute the internal circuit environment, or dry air is concentrated on one surface for dust removal, the guide pin package is caused, and finally the guide pin contact control is driven, and the lead to a L digital display screen which can not be used normally.
Disclosure of Invention
The invention aims to provide a drive-controlled L ED digital display screen, which is used for solving the technical problems that in the prior art, a cotton swab or dry cloth is used for wiping during cleaning, a silk thread is wound on a guide pin, if the silk thread is directly ashed by dry air, dust flies to pollute the internal circuit environment, or the dry air is concentrated on one surface to remove the dust, so that the soldering tin position of the guide pin is loosened, a bulge is generated, the pin of the guide pin under the drive control is finally in poor contact, and the L ED digital display screen cannot be normally used.
The L ED digital display screen comprises a control key, a screen, a fixed frame, a plug and a sealing edge, wherein the fixed frame is connected to the periphery of the screen, a signal end of the control key is electrically connected with the screen, the plug is installed on the fixed frame, the sealing edge is arranged at the edge of the fixed frame, an anti-collision opening, a partition strip, a dust-binding adhesive tape, a sliding rotating shaft, a circuit board and a control end are formed in the fixed frame, the control end is electrically connected with the control key, the anti-collision openings are formed in the left side and the right side of the control end, the partition strip is arranged between the circuit board and the control end, tracks which are movably matched with the sliding rotating shaft are arranged on the two sides of the circuit board, the sliding rotating shaft is mechanically connected with the dust-binding adhesive tape, and the sliding rotating shaft drives the dust-binding adhesive tape to be movably matched with the surface of the circuit board.
Preferably, the dust-binding adhesive tape is provided with a tape surface, notches, a clamping mechanism and a rotary opening, wherein more than two notches are horizontally formed in the tape surface, two sides of the tape surface are fixed by the clamping mechanism, and the rotary opening is arranged in a rotary core of the clamping mechanism.
Preferably, the clamping mechanism comprises a fixed clamping ring, a pressure port, a connecting shaft, more than two positive magnetic pole blocks, a filler strip, an adsorption groove and more than two negative magnetic pole blocks, wherein the positive magnetic pole blocks are arranged at one end of the fixed clamping ring, the negative magnetic pole blocks are arranged at the other end of the fixed clamping ring, the pressure port is drawn into an arc line by the connecting shaft to be matched with the edge of the fixed clamping ring, the pressure port is communicated with the inside of the adsorption groove, and the filler strips are fixed on two sides of the adsorption groove.
Preferably, the pressure port comprises a clamping ball, a closing mechanism, a sliding groove and an outer cushion disc, the clamping ball is fixed on the circumferential edge of the outer cushion disc, the clamping ball is in contact fit with the closing mechanism, and the closing mechanism is in movable fit with the sliding groove.
Preferably, the closing mechanism comprises hook surfaces, a framework, a sliding ring, a support rod, a connecting rod and a fixed block, wherein two hook surfaces are fixed at one end of the support rod, the insides of the hook surfaces are movably matched with the support rod through the framework and the sliding ring, the sliding ring is fixedly provided with the connecting rod, and the connecting rod is connected with the fixed block and is in clearance fit with the insides of the sliding grooves.
Preferably, the hook surface is in an umbrella-shaped structure, and the horizontal end of the hook surface is in a crescent shape and movably hooked with the surface of the clamping ball.
Preferably, a pressure chamber is connected between the pressure port and the adsorption groove, a piston is arranged in the pressure chamber, and the piston is connected with the support rod.
Preferably, the rotary opening is matched with the sliding rotating shaft to realize the horizontal reciprocating movement of the dust-sticking adhesive tape.
Preferably, the fixed clamping ring is of a semicircular structure, and the fixed clamping ring is provided with two positive magnetic pole blocks and two negative magnetic pole blocks which are opposite in front and are in adsorption fit to form a circular structure, so that the dust-sticking adhesive tape is formed into a cylindrical rolling surface, and the cleaning efficiency of the surface of the PCB is improved.
Compared with the prior art, the invention has the following beneficial effects:
1. the dust-binding adhesive tape and the sliding rotating shaft are horizontally matched along the circuit board, the surface stickiness of the dust-binding adhesive tape is utilized to remove the dust on the surface of the PCB, and the plurality of notches arranged on the dust-binding adhesive tape can change the surface stress of the dust-binding adhesive tape, so that the dust-binding adhesive tape cannot be clamped with the pin of the guide pin in the movable dust removal process.
2. The dust-binding adhesive tape is fixed by the clamping mechanisms on two sides, the clamping mechanisms are matched with the positive magnetic pole block and the negative magnetic pole block through the fixing clamp ring in a semicircular structure to be adsorbed and fixed in a circular shape, the fixing mode is higher than mechanical screwing efficiency, the pressure port and the adsorption groove which are arranged on the fixing clamp ring effectively fix the dust-binding adhesive tape on the fixing clamp ring by using negative pressure, the fixed end of the dust-binding adhesive tape is guaranteed to be smooth and not to be wrinkled, and the dust-binding adhesive tape is more convenient and quicker to disassemble and replace.
3. According to the invention, the clamping ball arranged on the pressure port interacts with the closing mechanism, the hook surface arranged on the closing mechanism and the support rod are matched with the fixing block to realize telescopic traction, so that the opening and closing state of the hook surface is changed, the negative pressure formation between the pressure port and the adsorption groove is realized, the crescent hook angle structure of the hook surface is clamped with the clamping ball, and the clamping of the hook surface and the clamping ball is used for realizing the continuous operation of the adsorption groove.
Drawings
Fig. 1 is a schematic structural diagram of an L ED digital display panel with driving control according to the present invention.
Fig. 2 is a schematic view of the internal structure of the fixing frame according to the present invention.
FIG. 3 is a schematic structural view of the dust-binding tape of the present invention.
FIG. 4 is a schematic structural diagram of the clamping mechanism of the present invention.
Fig. 5 is a schematic structural view of the pressure port of the present invention.
Fig. 6 is a schematic structural view of the closing mechanism of the present invention.
Fig. 7 is a schematic view of a fitting structure of the closing mechanism and the ball retainer of the present invention.
In the figure: the device comprises a control key 1, a screen 2, a fixed frame 3, a plug 4, a sealing edge 5, an anti-collision opening 31, a parting strip 32, a dust adhesive tape 33, a sliding rotating shaft 34, a circuit board 35, a control end 36, a tape surface 331, a notch 332, a clamping mechanism 333, a rotating opening 334, a fixed clamping ring 33a, a pressure opening 33b, a connecting shaft 33c, a positive magnetic pole block 33d, a gasket 33e, an adsorption groove 33f, a negative magnetic pole block 33g, a clamping ball 3b1, a closing mechanism 3b2, a sliding groove 3b3, an outer gasket 3b4, a hook surface b21, a framework b22, a sliding ring b23, a support rod b24, a connecting rod b25 and a fixed block b 26.
Detailed Description
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on or indirectly connected to the other element, and when an element is referred to as being "connected to" the other element, it can be directly connected to or indirectly connected to the other element.
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
Example 1
As shown in fig. 1-7, the present invention provides a drive-controlled digital display screen L ED, the structure thereof includes a control key 1, a screen 2, a fixed frame 3, a plug 4, and a sealing edge 5, the fixed frame 3 is connected around the screen 2, a signal end of the control key 1 is electrically connected to the screen 2, the plug 4 is mounted on the fixed frame 3, the sealing edge 5 is disposed at an edge of the fixed frame 3, an anti-collision port 31, a separation strip 32, a dust-binding tape 33, a sliding rotating shaft 34, a circuit board 35, and a control end 36 are formed inside the fixed frame 3, the control end 36 is electrically connected to the control key 1, anti-collision ports 31 are disposed at left and right sides of the control end 36, a separation strip 32 is disposed between the circuit board 35 and the control end 36, a track movably fitted to the sliding rotating shaft 34 is disposed at both sides of the circuit board 35, the sliding rotating shaft 34 is mechanically connected to the dust-binding tape 33, the sliding rotating shaft 33, the sliding shaft 34 drives the dust-binding tape 33 to be movably contacted and fitted along a face of the board surface of the circuit board 35, the board, the face of the circuit board, the dust-binding mechanism 3633 b is provided with a fixed pole-rotating shaft 33b, a fixed pole-rotating mechanism 3633 b is provided with a pole-rotating mechanism 3633 b, a fixed pole-rotating.
The following describes the implementation of the L ED digital display screen with driving control according to the present invention in detail:
the sliding rotating shaft 34 of the invention drives the clamping mechanism 333 intercepted with the rotating port 334 to roll along the board surface of the circuit board 35 through electric drive, the dust-sticking adhesive tape 331 fixed by the clamping mechanism 333 is adhered to the dust on the board surface of the circuit board 35, the dust-sticking adhesive tape 331 changes the existing smooth adhesive surface to be designed into a thread surface with a plurality of notches 332, aiming at reducing the surface tension of the dust-sticking adhesive tape 331, namely, the dust-sticking adhesive tape is not blocked with a guide pin welded on the circuit board 35 in the rolling dust removal process, and the cleaning of the dust at the guide pin can be improved, because the dust-sticking adhesive tape 331 is soft, the dust-sticking adhesive tape 331 is fixed by the clamping mechanisms 333 at both sides, when the dust-sticking adhesive tape 331 is installed, firstly, one surface of the dust-sticking adhesive tape is placed on the adsorption groove 33f, after the alignment is finished, an operator pulls out the fixed block b26, the connecting rod b25 connected with the fixed block b, in the sliding process, the middle sliding ring b23 and the framework b22 are dragged slowly by the connecting rod b25, the hook surface b21 shown in fig. 7 is clamped with the clamping ball 3b1 to stop acting, the clamping ball 3b1 is utilized to clamp the hook surface b21, the pressure port 33b and the adsorption groove 33f are ensured to be always in a negative pressure environment, the dust-binding adhesive tape 331 is effectively fixed, at the moment, the two fixing clamping rings 33a are shifted, the positive magnetic pole blocks and the negative magnetic pole blocks corresponding to the fixing clamping rings 33a are adsorbed and fixed, a circular ring is formed, the circular ring is matched with the sliding rotating shaft 34 to effectively remove dust, the magnetic adsorption fixing mode is adopted to facilitate replacement of the dust-binding adhesive tape 331, and the best dust removal effect is ensured.
In the above-mentioned change of the opening and closing state of the hook surface b21, the hook surface b21 is in the condensed state as shown in fig. 6 in the initial state, which is mainly located in the outer pad 3b4, that is, the lower end of the ball detent 3b1, the inclined surface of the hook surface b21 is in fit contact with the ball detent 3b1, until the hook surface b21 starts to condense after moving out of the fixed block b26, the hook surface b21 is not in surface contact with the ball detent 3b1, the hook surface b21 is smoothly taken out of the ball detent 3b1, and then the reverse pushing is performed, and one end of the crescent hook angle of the hook surface b21 is in snap fit with the ball detent 3b 1.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (7)
1. The utility model provides a drive control's L ED digital display screen, its characterized in that includes control button (1), screen (2), fixed frame (3), plug (4), sealed limit (5), fixed frame (3) are connected around screen (2), the signal end and screen (2) of control button (1) adopt electric connection, install on fixed frame (3) plug (4), the border at fixed frame (3) is established in sealed limit (5), fixed frame (3) inside constitution has crashproof mouth (31), parting bead (32), binding dust sticky tape (33), slip pivot (34), circuit board (35), control end (36) and control button (1) electric connection the left and right sides of control end (36) is equipped with crashproof mouth (31), be equipped with parting bead (32) between circuit board (35) and control end (36), the both sides of circuit board (35) are equipped with the track that the activity slides pivot (34), slip pivot (34) and binding dust sticky tape (33) mechanical connection, pivot (35) drive the cooperation of dust sticky tape (33) along the activity.
2. The L ED digital display screen with drive control according to claim 1, wherein the dust-binding adhesive tape (33) is provided with a tape surface (331), a notch (332), a clamping mechanism (333), and a rotary opening (334), wherein the tape surface (331) is horizontally provided with more than two notches (332), two sides of the tape surface (331) are fixed by the clamping mechanism (333), and the rotary opening (334) is arranged in a rotary core of the clamping mechanism (333).
3. The L ED digital display screen with drive control according to claim 2, wherein the clamping mechanism (333) is composed of a fixed snap ring (33a), a pressure port (33b), a connecting shaft (33c), a positive magnetic pole block (33d), a gasket (33e), an adsorption groove (33f), and a negative magnetic pole block (33g), one end of the fixed snap ring (33a) is provided with the positive magnetic pole block (33d), the other end is provided with the negative magnetic pole block (33g), the pressure port (33b) is provided with more than two, the connecting shaft (33c) is used for drawing the pressure port into an arc line to be matched with the edge of the fixed snap ring (33a), the pressure port (33b) is communicated with the inside of the adsorption groove (33f), and the gasket (33e) is fixed on two sides of the adsorption groove (33 f).
4. A L ED digital display screen with drive control according to claim 3, wherein the pressure port (33b) comprises a ball (3b 1), a closing mechanism (3b2), a sliding slot (3b3) and an outer pad (3b4), the ball (3b 1) is fixed on the periphery of the outer pad (3b4), the ball (3b 1) is in contact fit with the closing mechanism (3b2), and the closing mechanism (3b2) is in movable fit with the sliding slot (3b 3).
5. The drive-controlled L ED digital display screen as claimed in claim 4, wherein the closing mechanism (3b2) comprises a hook surface (b21), a framework (b22), a sliding ring (b23), a supporting rod (b24), a connecting rod (b25) and a fixed block (b26), two hook surfaces (b21) are fixed at one end of the supporting rod (b24), the inside of the hook surface (b21) is movably matched with the supporting rod (b24) through the framework (b22) and the sliding ring (b23), the sliding ring (b23) is fixed with a connecting rod (b25), and the connecting rod (b25) is connected with the fixed block (b26) and is in the sliding groove (3b3) in a clearance fit manner.
6. The L ED digital display screen with drive control according to claim 5, wherein the hook surface (b21) is an umbrella-shaped structure, and the horizontal end of the hook surface (b21) is crescent-shaped and movably hooked with the surface of the card ball (3b 1).
7. A L ED digital display screen with drive control according to claim 4, wherein a pressure chamber is connected between the pressure port (33b) and the absorption groove (33f), a piston is arranged in the pressure chamber, and the piston is connected with the supporting rod (b 24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010481339.3A CN111495885B (en) | 2020-05-31 | 2020-05-31 | Drive control's LED digital display screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010481339.3A CN111495885B (en) | 2020-05-31 | 2020-05-31 | Drive control's LED digital display screen |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111495885A true CN111495885A (en) | 2020-08-07 |
| CN111495885B CN111495885B (en) | 2021-07-06 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010481339.3A Active CN111495885B (en) | 2020-05-31 | 2020-05-31 | Drive control's LED digital display screen |
Country Status (1)
| Country | Link |
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| CN (1) | CN111495885B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112387712A (en) * | 2020-11-18 | 2021-02-23 | 珠海冠宇电池股份有限公司 | Pole piece cleaning device and cleaning method |
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| KR101429685B1 (en) * | 2012-05-23 | 2014-08-13 | 크린테크놀러지주식회사 | Cleaning tape having embossing bump and manufacturing method for the same |
| CN109110553A (en) * | 2018-07-10 | 2019-01-01 | 浙江纳鑫胶带制品有限公司 | A kind of binding dust tape roller and its storage box |
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| CN209327308U (en) * | 2018-12-17 | 2019-08-30 | 东方万佳国际贸易（北京）有限公司 | A kind of indoor air quality detecting device |
| CN209659736U (en) * | 2018-12-28 | 2019-11-19 | 广东欧美亚智能装备有限公司 | FPC automatic adhering machine structure |
| CN210428395U (en) * | 2019-09-26 | 2020-04-28 | 苏州仪可多仪器科技有限公司 | Liquid crystal touch screen with dustproof construction |
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2020
- 2020-05-31 CN CN202010481339.3A patent/CN111495885B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2743564Y (en) * | 2004-11-25 | 2005-11-30 | 吕谢丽华 | Horse power increasing and oil saving device of automobile |
| US20080302387A1 (en) * | 2007-06-11 | 2008-12-11 | Korbonski John A | Method and apparatus for holding adhesive coated roller cleaning substrates |
| KR101429685B1 (en) * | 2012-05-23 | 2014-08-13 | 크린테크놀러지주식회사 | Cleaning tape having embossing bump and manufacturing method for the same |
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| CN112387712A (en) * | 2020-11-18 | 2021-02-23 | 珠海冠宇电池股份有限公司 | Pole piece cleaning device and cleaning method |
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| CN111495885B (en) | 2021-07-06 |
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Effective date of registration: 20210616 Address after: Floor 2, building 2, phase I, electronic science and Technology Park, Nanning comprehensive free trade zone, Nanning, Guangxi 530000 Applicant after: Guangxi yianjie Electronic Technology Co.,Ltd. Address before: 516, 5th floor, R & D building, COFCO Institute of nutrition and health, lingshang East Road, South District, future science city, Beiqijia Town, Changping District, Beijing 102200 Applicant before: Zheng Pengyi |
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