CN107309192B - Cleaning device and keyboard cleaning method - Google Patents
Cleaning device and keyboard cleaning method Download PDFInfo
- Publication number
- CN107309192B CN107309192B CN201710668846.6A CN201710668846A CN107309192B CN 107309192 B CN107309192 B CN 107309192B CN 201710668846 A CN201710668846 A CN 201710668846A CN 107309192 B CN107309192 B CN 107309192B
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- dust
- cleaning
- dust collecting
- rotatable brush
- fan
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- 238000004140 cleaning Methods 0.000 title claims abstract description 102
- 238000000034 method Methods 0.000 title claims abstract description 14
- 239000000428 dust Substances 0.000 claims abstract description 131
- 230000007246 mechanism Effects 0.000 claims abstract description 55
- 238000010408 sweeping Methods 0.000 claims abstract description 28
- 239000007788 liquid Substances 0.000 claims description 31
- 230000000903 blocking effect Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 2
- 238000011086 high cleaning Methods 0.000 abstract description 2
- 230000005540 biological transmission Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000003670 easy-to-clean Effects 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/10—Cleaning by methods involving the use of tools characterised by the type of cleaning tool
- B08B1/12—Brushes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/50—Cleaning by methods involving the use of tools involving cleaning of the cleaning members
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B15/00—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
- B08B15/04—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area from a small area, e.g. a tool
Landscapes
- Cleaning In General (AREA)
Abstract
The invention relates to the field of mechanical equipment, and provides a cleaning device which comprises a dust sweeping mechanism, a dust collecting mechanism and a dust collecting mechanism which are sequentially connected, wherein the dust sweeping mechanism comprises a rotatable brush for sweeping dirt away from an object to be cleaned, the dust collecting mechanism comprises a dust collecting channel and a fan, the fan is arranged at one end of the dust collecting channel, the other end of the dust collecting channel faces the rotatable brush, and the dust collecting mechanism is communicated with one end of the fan away from the dust collecting channel. The cleaning device has simple structure and convenient use. The invention also provides a keyboard cleaning method, which adopts the cleaning device provided by the invention to clean, so that the method has high cleaning efficiency and good cleaning effect.
Description
Technical Field
The invention relates to the field of mechanical equipment, in particular to a cleaning device and a cleaning method of a keyboard.
Background
Currently, most existing cleaning machines are machines that clean water-washable objects only. Some non-washable objects are cleaned by manual cleaning, which is inefficient and costly. Especially, if manual ash removal is adopted for cleaning the keyboard, the cleaning efficiency is low, and the keyboard is difficult to clean.
Disclosure of Invention
The invention provides a cleaning device which is simple in structure and convenient to use.
The invention also provides a method for cleaning the keyboard, which has high cleaning efficiency and good cleaning effect.
The invention is realized in the following way:
the utility model provides a cleaning device, includes dust sweeping mechanism, dust collection mechanism and the dust collection mechanism who connects gradually, and dust sweeping mechanism is including being used for sweeping away the rotatable brush of being cleaned object with the filth, and dust collection mechanism includes dust collection channel and fan, and the fan sets up in dust collection channel's one end, and dust collection channel's the other end is towards rotatable brush, and dust collection mechanism and fan keep away from dust collection channel's one end intercommunication.
Further, in a preferred embodiment of the present invention, the dust sweeping mechanism further comprises a driving motor, and the driving motor is in transmission connection with the rotatable brush.
Further, in a preferred embodiment of the present invention, the cleaning device further includes a housing, a dust collecting chamber is disposed in the housing, the dust collecting mechanism is disposed in the dust collecting chamber, one end of the fan away from the dust collecting channel is located in the dust collecting chamber, a dust collecting box is disposed in the dust collecting chamber directly below one end of the fan away from the dust collecting channel, and the dust collecting box is detachably connected with the housing.
Further, in a preferred embodiment of the present invention, an air outlet is provided on a side wall of the housing opposite to the fan, and a filter screen covering the air outlet is provided on a side wall of the housing corresponding to the air outlet.
Further, in the preferred embodiment of the present invention, the dust sweeping mechanism is disposed in the housing, and a working opening is disposed below the housing corresponding to the dust sweeping mechanism, and the rotatable brush is disposed near the working opening.
Further, in a preferred embodiment of the present invention, two opposite side walls of the housing, which are close to the working opening, are provided with sliding grooves, the number of the rotatable brushes is at least 2, and two opposite ends of each rotatable brush are respectively disposed in the sliding grooves of the two opposite side walls of the housing.
Further, in a preferred embodiment of the present invention, the bottom of the housing and the edge surrounding the bottom of the housing are provided with elastic dust-blocking members.
Further, in a preferred embodiment of the present invention, a cleaning liquid containing box is disposed in the housing, the cleaning liquid containing box having a liquid outlet end, the liquid outlet end being adjacent to or in contact with the rotatable brush.
Further, in a preferred embodiment of the present invention, a cleaning sponge is disposed in the housing, the cleaning sponge being in close proximity to or in contact with a rotatable brush, the rotatable brush being located between the cleaning sponge and the cleaning liquid containing cartridge.
A keyboard cleaning method adopts the cleaning device to clean the keyboard.
The beneficial effects of the invention are as follows: when the cleaning device obtained through the design is used, the dust sweeping mechanism brushes dust and dirt on the surface of an object to be cleaned through the rotatable brush, then the dust and dirt are sucked into the dust collecting mechanism through the fan, and the dust or dirt is collected in the dust collecting mechanism and finally treated uniformly. According to the keyboard cleaning method, the keyboard is cleaned by the cleaning device, so that the keyboard is easy to clean, and the cleaning efficiency is high.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some examples of the present invention and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of a first view angle structure of a cleaning device according to an embodiment of the present invention;
FIG. 2 is a perspective view of a second view of a cleaning device provided in an embodiment of the present invention;
FIG. 3 is a schematic view of a cleaning apparatus according to an embodiment of the present invention, with one side wall of the housing removed from the third view;
fig. 4 is a schematic structural view of a fourth view of the cleaning device according to the embodiment of the present invention.
Icon: 100-cleaning device; 110-a dust sweeping mechanism; 111-rotatable brushes; 112-a drive motor; 113-a drive belt; 130-a dust collection mechanism; 131-a dust collection channel; 132-a fan; 133-windshields; 150-a dust collection mechanism; 151-a dust collection chamber; 152-a dust collection box; 153-a filter screen; 160-a housing; 161-air outlet; 162-working port; 163-chute; 164-resilient dust guard; 165-cell; 170-cleaning solution containing box; 171-a liquid outlet end; 172-cleaning solution seeping port; 173-screw; 181-cleaning sponge.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, based on the embodiments of the invention, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the invention. Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, based on the embodiments of the invention, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the invention.
In the description of the present invention, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", "top", "bottom", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or element in question must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present invention, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
In the present invention, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.
As shown in fig. 1 and 2, an embodiment of the present invention provides a cleaning apparatus 100 including a dust sweeping mechanism 110, a dust collecting mechanism 130, and a dust collecting mechanism 150 connected in this order.
The dust sweeping mechanism 110 is responsible for sweeping the surface of the cleaned object away from the cleaned object, the dust collecting mechanism 130 absorbs and conveys the dust swept away by the dust sweeping mechanism 110 to the dust collecting mechanism 150, and the dust collecting mechanism 150 is responsible for collecting the dust swept down by the cleaned object.
Specifically, the dust sweeping mechanism 110 includes a rotatable brush 111 for sweeping dirt away from an object to be cleaned, the dust collecting mechanism 130 includes a dust collecting passage 131 and a fan 132, the fan 132 is provided at one end of the dust collecting passage 131, the other end of the dust collecting passage 131 faces the rotatable brush 111, and the dust collecting mechanism 150 communicates with one end of the fan 132 remote from the dust collecting passage 131.
The object to be cleaned is placed in contact with the rotatable brush 111, so that the rotatable brush 111 rotates, dust or impurities on the surface or in gaps of the object to be cleaned are separated from the object to be cleaned under the action of the rotatable brush 111, and the dust or impurities are sucked into the dust collecting mechanism 150 by the blower 132 through the dust suction channel 131 under the action of the blower 132 for centralized treatment. The cleaning device 100 can clean an object to be cleaned under the cooperation of the mechanisms, and the cleaning device 100 has a simple structure and is easy to produce.
As shown in fig. 3, the number of fans 132 may be selected according to actual needs, and may be 1 or more, and in this embodiment, the number of fans 132 is 4.
As shown in fig. 2 and 3, more specifically, the dust collection mechanism 130 further includes a blower housing 133, the blower housing 133 communicates with the dust collection passage 131, and the blower 132 is disposed within the blower housing 133. The dust collection channel 131 is in a horn shape, the large opening end of the dust collection channel faces the rotatable hairbrush 111, and the small opening end of the dust collection channel is connected with the blower sleeve 133.
The rotatable brush 111 is preferably electrically driven, and the dust sweeping mechanism 110 further comprises a drive motor 112, the drive motor 112 being in driving connection with the rotatable brush 111. The output end of the driving motor 112 is in transmission connection with the rotatable brush 111 through a transmission belt 113, and the rotation of the driving motor 112 drives the rotatable brush 111 to rotate. The rotatable brush 111 is rotated in an electric manner to facilitate the operation of the cleaning apparatus 100.
It should be noted that, in other embodiments of the present invention, the rotatable brush 111 may be rotated manually, and a rotating handle is connected to one end of the rotatable brush 111, so that a user may hand the rotating handle to rotate the rotatable brush 111.
Further, the cleaning device 100 further includes a housing 160, a dust collecting chamber 151 is disposed in the housing 160, the dust collecting mechanism 150 is disposed in the dust collecting chamber 151, one end of the fan 132 away from the dust collecting channel 131 is located in the dust collecting chamber 151, a dust collecting box 152 is disposed in the dust collecting chamber 151 directly below one end of the fan 132 away from the dust collecting channel 131, and the dust collecting box 152 is detachably connected with the housing 160.
Dust or foreign matter enters the dust collection chamber 151 by suction of the blower 132 and finally falls into the dust collection box 152 by gravity. When the amount of dust or foreign matter collected in the dust collecting box 152 reaches a certain amount, the dust collecting box 152 may be detached, and the dust or foreign matter therein may be removed and then mounted to the cleaning apparatus 100.
Further, an air outlet 161 is provided on a side wall of the housing 160 opposite to the fan 132, and a filter screen 153 covering the air outlet 161 is provided on a side wall of the housing 160 corresponding to the air outlet 161. An air inlet is provided at an end of the housing 160 opposite to the air outlet 161.
The wind sucked into the dust collecting mechanism 150 from the dust sweeping mechanism 110 by the fan 132 is discharged from the air outlet 161, and the filter 153 traps dust entrained in the wind to the filter 153. It should be noted that the filter 153 and the housing 160 are preferably detachably connected, and are convenient to be replaced when the load of the filter 153 reaches saturation.
Further, the dust sweeping mechanism 110 is also disposed in the housing 160, and a working opening 162 is disposed below the housing 160 corresponding to the dust sweeping mechanism 110, and the rotatable brush 111 is disposed near the working opening 162.
When the cleaning apparatus 100 performs a cleaning task, the rotatable brush 111 rotates at the cleaning object placement work port 162 to perform a cleaning process on the cleaning object.
As shown in fig. 1 and 2, further, two opposite side walls of the housing 160 adjacent to the working opening 162 are provided with sliding grooves 163, the number of the rotatable brushes 111 is at least 2, and two opposite ends of each rotatable brush 111 are respectively disposed in the sliding grooves 163 of two opposite side walls of the housing 160.
At least 2 rotatable brushes 111 are slidable in the sliding groove 163, and the position of each rotatable brush 111 and the distance between two adjacent rotatable brushes 111 can be adjusted in the sliding groove 163, so that objects with different sizes and different structures can be cleaned conveniently.
As shown in fig. 1, 2 and 4, further, a cleaning liquid containing box 170 is provided in the housing 160, and the cleaning liquid containing box 170 has a liquid outlet end 171, and the liquid outlet end 171 is adjacent to the rotatable brush 111. The liquid outlet end 171 discharges the cleaning liquid onto the rotatable brush 111. Specifically, the lower end of the liquid outlet 171 is provided with a cleaning liquid seeping port 172, a screw 173 is provided in the cleaning liquid seeping port 172, and whether the cleaning liquid seeps out or not and the seeping rate are adjusted by adjusting the degree of tightness of the screw 173 in the cleaning liquid seeping port 172.
When the surface of the object to be cleaned has relatively stubborn stains, the rotatable brush 111 is adjusted to be in contact with the liquid outlet 171, and part of bristles are positioned at the lower end of the cleaning liquid seepage port 172, the tightness of the screw 173 is adjusted to enable the cleaning liquid to flow onto the bristles, then the rotatable brush 111 is adjusted to be separated from the liquid outlet 171, the rotatable brush 111 is controlled to rotate after separation, the object to be cleaned is cleaned, dust and dirt are more easily adsorbed after the cleaning liquid is adhered to the bristles, and the cleaning force of the surface of the object to be cleaned is stronger.
It should be noted that, in other embodiments of the present invention, the liquid outlet end 171 may also contact the rotatable brush 111, and the rotatable brush 111 may be controlled to operate when the rotatable brush 111 is adjusted to be out of contact with the rotatable brush 111 before the rotatable brush 111 rotates after the cleaning liquid flows onto the bristles.
Further, a cleaning sponge 181 is provided in the housing 160, the cleaning sponge 181 is adjacent to the rotatable brush 111, and the rotatable brush 111 is located between the cleaning sponge 181 and the cleaning liquid containing box 170.
After the cleaning operation of the rotatable brush 111 is completed, the rotatable brush 111 is controlled to rotate after being adjusted to be in contact with the cleaning sponge 181, so that the cleaning sponge 181 absorbs the residual cleaning liquid attached to the brush and transfers the stains attached to the brush to the cleaning sponge 181. Preferably, the cleaning sponge 181 is removably attached for easier replacement.
It should be noted that, in other embodiments of the present invention, the cleaning sponge 181 may also be in contact with the rotatable brush 111, and when the rotatable brush 111 is to clean an object to be cleaned, the rotatable brush 111 is adjusted to be separated from the cleaning sponge 181, and when the cleaning sponge 181 is required to be operated, the rotatable brush 111 is adjusted to be in contact therewith.
As shown in fig. 1 and 2, further, a resilient dust guard 164 is provided at the bottom of the housing 160 and around the edge of the bottom of the housing 160. The resilient dust deflector 164 is typically made of a soft rubber-like material. The elastic dust guard 164 is provided to isolate the inside of the case 160 from the outside, preventing dust brushed up during cleaning from flying around.
Further, in the present embodiment, the housing 160 may further include one or more batteries 165, where the batteries 165 are electrically connected to the blower 132 and the driving motor 112, and the batteries 165 provide power to the blower 132 and the driving motor 112. When the cleaning device 100 is designed to be small in volume, the battery 165 is provided therein, and the battery 165 is at a voltage of 1.5V, so that it is convenient to carry it outdoors or in some environments where it is inconvenient to connect with a power source.
Of course, in other embodiments of the present invention, the fan 132 and the driving motor 112 may also be connected to an external circuit through a power connection line.
In summary, in the cleaning device provided by the invention, the dust and the dirt on the surface of the object to be cleaned are brushed off by the dust sweeping mechanism through the rotatable brush, then the dust and the dirt are sucked into the dust collecting mechanism through the dust collecting channel by the fan, and the dust or the dirt is collected in the dust collecting mechanism and finally treated uniformly, so that the cleaning device has a simple, practical and convenient structure; the rotatable brush is electrically driven, so that the cleaning device is more convenient to use; the sliding grooves on the two side walls of the shell enable the position of the rotatable hairbrush to be adjustable, so that objects with different sizes, different shapes and different results can be cleaned conveniently; the cleaning liquid containing box is arranged, so that the cleaning device can clean more stubborn stains on the surface of an object, and the object is cleaner; the cleaning sponge can absorb redundant cleaning liquid and receive dust and dirt attached to the bristles of the rotatable brush; the elastic dust blocking piece can prevent dust brushed by the cleaning device from flying around during working.
The invention also provides a method for cleaning the keyboard, which adopts the cleaning device provided by the invention to clean the keyboard, and because the method adopts the cleaning device provided by the invention, the method is simple and convenient, and because the keyboard has more gaps, the brush can be cleaned by adopting the rotatable brush, so that the brush hair can extend into the gaps, the keyboard is easy to clean, and the cleaning efficiency is high.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, and various modifications and variations may be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. The cleaning device is characterized by comprising a dust sweeping mechanism, a dust collecting mechanism and a dust collecting mechanism which are sequentially connected, wherein the dust sweeping mechanism comprises a rotatable brush for sweeping dirt away from an object to be cleaned, the dust collecting mechanism comprises a dust collecting channel and a fan, the fan is arranged at one end of the dust collecting channel, the other end of the dust collecting channel faces the rotatable brush, and the dust collecting mechanism is communicated with one end of the fan away from the dust collecting channel;
the cleaning device further comprises a shell, a dust collection chamber is arranged in the shell, the dust collection mechanism is arranged in the dust collection chamber, one end of the fan, which is far away from the dust collection channel, is positioned in the dust collection chamber, a dust collection box is arranged in the dust collection chamber and is positioned right below one end of the fan, which is far away from the dust collection channel, and the dust collection box is detachably connected with the shell;
the dust sweeping mechanism is arranged in the shell, a working opening is formed in the shell, corresponding to the lower part of the dust sweeping mechanism, and the rotatable hairbrush is arranged close to the working opening;
the bottom of the shell and the edge surrounding the bottom of the shell are provided with elastic dust blocking pieces;
a cleaning solution containing box is arranged in the shell and provided with a liquid outlet end, and the liquid outlet end is close to or contacts with the rotatable hairbrush;
the cleaning sponge is arranged in the shell and is close to or in contact with the rotatable brush, and the rotatable brush is positioned between the cleaning sponge and the cleaning liquid containing box.
2. The cleaning apparatus of claim 1, wherein the dust sweeping mechanism further comprises a drive motor drivingly connected to the rotatable brush.
3. The cleaning device of claim 1, wherein an air outlet is formed in a side wall of the housing opposite to the fan, and a filter screen covering the air outlet is arranged at a position corresponding to the air outlet on the side wall of the housing.
4. The cleaning device of claim 1, wherein the housing is provided with a chute adjacent to opposite side walls of the working opening, the number of rotatable brushes is at least 2, and opposite ends of each rotatable brush are respectively disposed in the chute of opposite side walls of the housing.
5. A method of cleaning a keyboard, characterized in that the method uses a cleaning device according to any one of claims 1-4 for cleaning a keyboard.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710668846.6A CN107309192B (en) | 2017-08-08 | 2017-08-08 | Cleaning device and keyboard cleaning method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710668846.6A CN107309192B (en) | 2017-08-08 | 2017-08-08 | Cleaning device and keyboard cleaning method |
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| Publication Number | Publication Date |
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| CN107309192A CN107309192A (en) | 2017-11-03 |
| CN107309192B true CN107309192B (en) | 2023-06-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710668846.6A Active CN107309192B (en) | 2017-08-08 | 2017-08-08 | Cleaning device and keyboard cleaning method |
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| Country | Link |
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| CN (1) | CN107309192B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108378536A (en) * | 2018-04-28 | 2018-08-10 | 华北理工大学 | A kind of computor-keyboard clearing apparatus |
| CN109758047A (en) * | 2019-02-26 | 2019-05-17 | 管清婷 | A kind of nursing method for cleaning of cleaning plant |
| FR3094615B1 (en) * | 2019-04-08 | 2022-08-19 | Larbi Benladghem | hair salon device |
| CN110495303B (en) * | 2019-09-29 | 2024-04-09 | 贵州理工学院 | Fresh corn threshing and pulping integrated machine |
| CN113786122B (en) * | 2021-09-13 | 2022-06-14 | 广东电网有限责任公司 | Clean dust extraction of power distribution room |
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| CN2418828Y (en) * | 2000-03-01 | 2001-02-14 | 林婷婷 | Automatic cleaner for wall surface |
| JP2010171264A (en) * | 2009-01-23 | 2010-08-05 | Aisin Seiki Co Ltd | Apparatus for removing foreign matter of printed circuit board |
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| CN107309192A (en) | 2017-11-03 |
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