CN110449438A - A kind of computer dust guard - Google Patents
A kind of computer dust guard Download PDFInfo
- Publication number
- CN110449438A CN110449438A CN201910621408.3A CN201910621408A CN110449438A CN 110449438 A CN110449438 A CN 110449438A CN 201910621408 A CN201910621408 A CN 201910621408A CN 110449438 A CN110449438 A CN 110449438A
- Authority
- CN
- China
- Prior art keywords
- dust
- cabinet
- bar
- plate
- dust blowing
- 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
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/66—Regeneration of the filtering material or filter elements inside the filter
- B01D46/68—Regeneration of the filtering material or filter elements inside the filter by means acting on the cake side involving movement with regard to the filter elements
- B01D46/681—Regeneration of the filtering material or filter elements inside the filter by means acting on the cake side involving movement with regard to the filter elements by scrapers, brushes or the like
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B17/00—Methods preventing fouling
- B08B17/02—Preventing deposition of fouling or of dust
Abstract
The present invention provides a kind of computer dust guards, comprising: cabinet, main frame are placed in the cabinet；Dust-filtering plate, the dust filtration plate are arranged at the air inlet on the cabinet；Exhaust fan, the exhaust fan are arranged at the gas outlet on the cabinet；Dust blowing mechanism, the dust blowing mechanism are arranged on the cabinet, and the dust blowing mechanism can unidirectionally strike off the dust being attached on the dust filtration plate；Door-plate, the door-plate can open and close to be arranged on the positive window of the cabinet；Sealing-plug, the sealing-plug are arranged on the obturating plug on rear side of the cabinet, and the sealing-plug is equipped with several cable-through holes.Computer dust guard provided by the invention has good dust-proof effect.
Description
Technical field
The present invention relates to computer dust control technology fields, more particularly to a kind of computer dust guard.
Background technique
With the rapid development of technology, computer gradually comes into huge numbers of families, and becoming in people's life and work must can not
Few electronic equipment, and existing computer lacks dust guard, after long-time use, on the electronic component in mainframe box easily
A large amount of dust is deposited, causes the heat dissipation effect of mainframe box poor, influences the service performance of computer, even influences to count when serious
The service life of calculation machine.
In conclusion it is how effective to mainframe box progress dust-proof, it is those skilled in the art's urgent problem.
Summary of the invention
The object of the present invention is to provide a kind of computer dust guards, solve existing computer and lack dust guard,
After long-time use, a large amount of dust is deposited on the electronic component in mainframe box influences the service performance of computer and asking for service life
Topic.
In order to solve the above technical problems, the invention provides the following technical scheme: a kind of computer dust guard, comprising: case
Body, main frame are placed in the cabinet；Dust-filtering plate, the dust filtration plate are arranged on the air inlet on the cabinet；Row
Fan, the exhaust fan are arranged on the gas outlet on the cabinet；Dust blowing mechanism, the dust blowing mechanism are arranged in the cabinet
On, the dust blowing mechanism can unidirectionally strike off the dust being attached on the dust filtration plate；Door-plate, the door-plate can open and close to be arranged
On the positive window of the cabinet；Sealing-plug, the sealing-plug are arranged on the obturating plug on rear side of the cabinet, the sealing-plug
It is equipped with several cable-through holes.
Further, the dust blowing mechanism includes sliding rail, sliding seat, driving mechanism and dust blowing bar, and the sliding rail is pacified vertically
On the cabinet, the sliding seat is slidably arranged on the sliding rail, and the dust blowing bar is connected on the sliding seat, institute
Stating driving mechanism drives the sliding seat to pump along the sliding rail.
Further, the driving mechanism includes the driving motor being fixed on the cabinet and is connected to the driving
The first partial gear on the output shaft of motor, the sliding seat are equipped with left tooth-strip part and right tooth parallel and be oppositely arranged
Item portion, when the driving motor drives first partial gear rotation, first partial gear passes through alternating and institute
Left tooth-strip part and the right tooth-strip part engagement are stated to drive the sliding seat to move back and forth along the sliding rail.
Further, dust scraping plate is provided on the dust blowing bar, the dust scraping plate contradicts on the surface of the dust filtration plate
On.
Further, the dust blowing mechanism further includes attachment base and steering assembly, and the attachment base is connected to the cunning
On dynamic seat, the dust blowing bar is rotatably arranged on the attachment base, and the attachment base is equipped with locked component, the steering assembly
Drive the dust blowing bar after attachment base rotation, the locked component is by the dust blowing rod lock in the attachment base
On.
Further, the steering assembly includes the second partial gear, upper steering rack and lower steering rack, described
Second partial gear is co-axially located on the dust blowing bar, and the upper steering rack is arranged on the cabinet, the dust blowing
Bar moves up the latter end of stroke, is engaged by the upper steering rack with second partial gear, and the dust blowing bar is driven to turn
It is dynamic, contradict the dust scraping plate on the dust filtration plate, the lower steering rack is arranged on the cabinet, described to scrape
Dirt bar moves down the latter end of stroke, is engaged by the lower steering rack with second partial gear, drives the dust blowing bar
Rotation, so that the dust scraping plate is separated with the dust filtration plate.
Further, the locked component includes flexible positioning piece, and the flexible positioning piece is arranged in the attachment base
On empty slot in, be provided with a shaft in the empty slot, the flexible positioning piece includes circular arc seat and a pair of of bulging bar, the circle
Arc seat is rotatably sleeved in the shaft, and a pair of of bulging bar is symmetrically connected on the circular arc seat, and a bulging bar supports
On the inner wall of the empty slot, another bulging bar is kept out in the locating slot on the dust blowing bar.
Further, there are two the locating slot is set.
It further, further include disposal box, the lower section of the dust filtration plate is arranged in the disposal box.
It can be seen from above-mentioned technical proposal the invention has the following advantages:
In the use of the present invention, computer host box is placed in cabinet, dust-filtering plate is set at air inlet, is set on obturating plug
Dust can be effectively prevented from and air-flow is followed to enter cabinet by setting sealing-plug, door-plate and window junction setting gasket, these settings
It is interior, good dust-proof effect is played, the exhaust fan being arranged on the air inlet being arranged on cabinet, gas outlet and gas outlet ensure that
The mobility of cabinet interior air-flow avoids cabinet and impacts to the heat dissipation of mainframe box, and setting is scraped in the outside of dust-filtering plate
Dirt mechanism can strike off the dust on dust-filtering plate, prevent dust from blocking dust-filtering plate, influence the dust filtering effect of dust-filtering plate.
The present invention is described in further detail with reference to the accompanying drawings and detailed description.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The embodiment of invention for those of ordinary skill in the art without creative efforts, can also basis
The attached drawing of offer obtains other attached drawings.
Fig. 1 is left view structural representation of the invention.
Fig. 2 is schematic view of the front view of the invention.
Fig. 3 is the schematic cross-sectional view of attachment base of the invention.
Fig. 4 is the schematic cross-sectional view at the A-A in Fig. 3.
Fig. 5 is the structural schematic diagram of sealing-plug of the invention.
Description of symbols: cabinet 1, pedestal 11, upper housing 12, obturating plug 13, air inlet 14, gas outlet 15, window 16, filter
Dirt plate 2, exhaust fan 3, dust blowing mechanism 4, sliding rail 41, sliding seat 42, left tooth-strip part 421, right tooth-strip part 422, the first incomplete tooth
It is wheel 43, driving motor 44, dust blowing bar 45, dust scraping plate 451, cylindrical portion 452, round bar portion 453, locating slot 454, attachment base 46, big
Diameter hole 461, diameter holes 462, empty slot 463, shaft 464, the second partial gear 47, upper steering rack 48, lower steering rack 49,
Disposal box 5, upper flange 51, door-plate 6, sealing-plug 7, the first chock 71, the second chock 72, cable-through hole 73, flexible positioning piece 8, circle
Arc seat 81, bulging bar 82, straight-bar portion 821, briquetting portion 822.
Specific embodiment
The embodiment of the present invention is described in detail below in conjunction with attached drawing, but the present invention can be defined by the claims
Implement with the multitude of different ways of covering.
Below with reference to Fig. 1 to Fig. 5, the invention will be further described, a kind of computer dust guard as shown in Figure 1, packet
Cabinet 1, dust-filtering plate 2, exhaust fan 3, dust blowing mechanism 4, door-plate 6 and sealing-plug 7 are included, cabinet 1 is made of pedestal 11 and upper housing 12,
Computer host box is placed on the pedestal 11, and upper housing 12 covers the top for being buckled in mainframe box, and the bottom and bottom of upper housing 12
Seat 11 is tightly connected, and offers air inlet 14 on the left side of cabinet 1, dust-filtering plate 2 is arranged on the air inlet 14 on cabinet 1, case
Gas outlet 15 is offered on the right side of body 1, exhaust fan 3 is arranged on the gas outlet 15 on cabinet 1, and dust blowing mechanism 4 is arranged in case
The left side of body 1, for striking off the dust being attached on dust-filtering plate 2, the lower section of dust-filtering plate 2 is arranged in disposal box 5 for dust blowing mechanism 4,
Disposal box 5 is used for the dust that access is struck off from dust-filtering plate 2, offers on 1 front of cabinet and plugs the equipment such as USB flash disk for user
Window 16, transparent door-plate 6 can open and close to be arranged on window 16, and between door-plate 6 and window 16 be equipped with gasket to prevent
Only dust enters from gap, and obturating plug 13 is equipped on rear side of cabinet 1, and sealing-plug 7 is arranged on obturating plug 13, the electricity connected on mainframe box
The equipment line such as source is stretched out from the cable-through hole 73 on sealing-plug 7.
In the present embodiment, as shown in Figure 1 and Figure 2, dust blowing mechanism 4 includes sliding rail 41, sliding seat 42, driving mechanism, dust blowing bar
45 and attachment base 46, sliding rail 41 be vertically installed on cabinet 1, sliding seat 42 is slidably arranged on sliding rail 41, and attachment base 46 is fixed
It is connected on sliding seat 42, dust blowing bar 45 is rotatably arranged on attachment base 46, and driving mechanism includes the driving being fixed on cabinet 1
Motor 44 and the first partial gear 43 being connected on the output shaft of driving motor 44, sliding seat 42 are equipped with parallel and opposite
The left tooth-strip part 421 and right tooth-strip part 422 being arranged, when driving motor 44 drives the rotation of the first partial gear 43, first is endless
All gear 43 drives sliding seat 42 past along about 41 sliding rail by alternately engaging with left tooth-strip part 421 and right tooth-strip part 422
Multiple movement.
In the present embodiment, as shown in Figure 1, Figure 2, Figure 3, Figure 4, dust blowing bar 45 is rotatably arranged on attachment base 46, specifically,
Dust blowing bar 45 has the cylindrical portion 452 being connected and round bar portion 453, and the cylindrical portion 452 of dust blowing bar 45 rotates coaxially setting even
In the large diameter hole 461 of joint chair 46, the round bar portion 453 of dust blowing bar 45, which rotates coaxially, to be arranged in the diameter holes 462 of attachment base 46, is scraped
The round bar portion 453 of dirt bar 45 is pierced by diameter holes 462 and extends outwardly, and is equipped with dust scraping plate on the extension end in round bar portion 453
451, dust scraping plate 451 has elasticity, and the edge of the dust scraping plate 451 contradicts on the surface of dust-filtering plate 2.
In the present embodiment, as shown in Figure 1, Figure 2, Figure 3 shows, dust blowing mechanism 4 further includes steering assembly, and steering assembly includes second
Partial gear 47, upper steering rack 48 and lower steering rack 49, the second partial gear 47 are co-axially located on dust blowing bar 45,
The middle part of cabinet 1 is arranged in upper steering rack 48, and dust blowing bar 45 moves up the latter end of stroke, not by upper steering rack 48 and second
Complete gear 47 engages, and dust blowing bar 45 is driven to rotate, and dust scraping plate 451 is finally made to contradict the lower steering rack 49 on dust-filtering plate 2
The lower part of cabinet 1 is set, and dust blowing bar 45 moves down the latter end of stroke, is nibbled by lower steering rack 49 and the second partial gear 47
It closes, dust blowing bar 45 is driven to rotate, so that dust scraping plate 451 is separated with dust-filtering plate 2, meanwhile, during dust scraping plate 451 rotates,
Dust scraping plate 451 can be contacted with the upper flange 51 in the outside of disposal box 5, and the upper flange 51 of disposal box 5 can will adhere on dust scraping plate 451
Dust is scraped in disposal box 5.
In the present embodiment, as shown in Figure 1, Figure 2, Figure 3, Figure 4, dust blowing bar 45 occurs to turn during moving down in order to prevent
Dynamic, attachment base 46 is equipped with locked component, and dust blowing bar 45 is locked on attachment base 46 by locked component, and locked component includes elasticity
Locating piece 8, flexible positioning piece 8 are arranged in the empty slot 463 on attachment base 46, and a shaft 464 is provided in empty slot 463, elasticity
Locating piece 8 includes circular arc seat 81 and a pair of symmetrically arranged bulging bar 82, and circular arc seat 81 is rotatably sleeved in shaft 464,
The one end in the straight-bar portion 821 of bulging bar 82 is connected on the end of circular arc seat 81, on the other end in the straight-bar portion 821 of bulging bar 82
It is connected with briquetting portion 822, the briquetting portion 822 of a bulging bar 82 supports on the inner wall of empty slot 463, another bulging bar 82
Briquetting portion 822 is kept out in the locating slot 454 on dust blowing bar 45, to prevent dust blowing bar 45 from rotating relative to attachment base 46, and this reality
It applies in example, there are two locating slot 454 is set, and two locating slots 454 are symmetrical arranged around the central axes of dust blowing bar 45.
In the present embodiment, as shown in Figure 1 and Figure 2, dust blowing mechanism 4 is when being purged the dust on dust-filtering plate 2, driving
Motor 44 drives sliding seat 42 to pump by the first partial gear 43, wherein when sliding seat 42 moves down,
The dust scraping plate 451 contradicted on 2 surface of dust-filtering plate strikes off downwards the dust being attached on dust-filtering plate 2, and the dust struck off is fallen into
In the disposal box 5 of lower section, the latter end of stroke is moved down in sliding seat 42, the second partial gear 47 is nibbled with lower 49 phase of steering rack
It closes, so that the second partial gear 47 rotates, locked component divides the latch-release of dust blowing bar 45, dust scraping plate 451 with dust-filtering plate 2
From during dust scraping plate 451 rotates, the upper flange 51 of disposal box 5 scrapes the dust adhered on dust scraping plate 451 into disposal box
In 5, dust blowing bar 45 is locked on attachment base 46 by subsequent locked component, and then sliding seat 42 moves up, and dust scraping plate 451 is upper
It is not touched with dust-filtering plate 2 during shifting, reduces the abrasion of dust scraping plate 451, extend dust scraping plate 451 uses the longevity
Life, moves up the latter end of stroke in sliding seat 42, the second partial gear 47 is meshed with upper steering rack 48, so that second is endless
All gear 47 rotates, and locked component rotates together the latch-release of dust blowing bar 45, dust scraping plate 451 with the second partial gear 47
And finally contradict on dust-filtering plate 2, dust blowing bar 45 is locked on attachment base 46 by subsequent locked component.
In the present embodiment, as shown in Figure 1, shown in Figure 5, the sealing-plug 7 made of elastic rubber includes the first chock 71 and second
Chock 72, the first chock 71 and the second chock 72 are mounted in obturating plug 13, if being formed between the first chock 71 and the second chock 72
Dry cable-through hole 73, the equipment such as power supply line line are passed through from cable-through hole 73, and the setting of sealing-plug 7 can effectively prevent dust from obturating plug
13 enter in cabinet 1.
In the present embodiment, as shown in Figure 1 and Figure 2, when in use, computer host box is placed on this computer dust guard
In cabinet 1, the exhaust fan 3 being arranged on the air inlet 14, gas outlet 15 and the gas outlet 15 that are arranged on cabinet 1 ensure that cabinet 1
The mobility of interior air-flow avoids cabinet 1 and impacts to the heat dissipation of mainframe box, and dust-filtering plate 2, obturating plug are arranged at air inlet 14
Sealing-plug 7, door-plate 6 and 16 junction of window are set on 13, gasket is set, these settings can be effectively prevented from dust and follow gas
Stream enters in cabinet 1, has good dust-proof effect.
These are only the preferred embodiment of the present invention, is not intended to restrict the invention, for those skilled in the art
For member, the invention may be variously modified and varied.All within the spirits and principles of the present invention, it is made it is any modification,
Equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (9)
1. a kind of computer dust guard characterized by comprising
Cabinet (1), main frame are placed in the cabinet (1)；
Dust-filtering plate (2), the dust filtration plate (2) are arranged on the air inlet (14) on the cabinet (1)；
Exhaust fan (3), the exhaust fan (3) are arranged on the gas outlet (15) on the cabinet (1)；
Dust blowing mechanism (4), the dust blowing mechanism (4) are arranged on the cabinet (1), and the dust blowing mechanism (4) can unidirectionally scrape
Except the dust being attached on the dust filtration plate (2)；
Door-plate (6), the door-plate (6) can open and close to be arranged on the cabinet (1) positive window (16)；
Sealing-plug (7), sealing-plug (7) setting is on the obturating plug (13) on rear side of the cabinet (1), on the sealing-plug (7)
Equipped with several cable-through holes (73).
2. computer dust guard according to claim 1, which is characterized in that the dust blowing mechanism (4) includes sliding rail
(41), sliding seat (42), driving mechanism and dust blowing bar (45), the sliding rail (41) is vertically installed on the cabinet (1), described
Sliding seat (42) is slidably arranged on the sliding rail (41), and the dust blowing bar (45) is connected on the sliding seat (42), described
Driving mechanism drives the sliding seat (42) to pump along the sliding rail (41).
3. computer dust guard according to claim 2, which is characterized in that the driving mechanism is described including being fixed on
Driving motor (44) on cabinet (1) and the first partial gear being connected on the output shaft of the driving motor (44)
(43), the sliding seat (42) is equipped with left tooth-strip part (421) and right tooth-strip part (422) parallel and be oppositely arranged, the drive
When dynamic motor (44) drive first partial gear (43) rotation, first partial gear (43) passes through alternating and institute
Left tooth-strip part (421) and the right tooth-strip part (422) engagement are stated to drive the sliding seat (42) past along the sliding rail (41)
Multiple movement.
4. computer dust guard according to claim 2, which is characterized in that be provided with dust blowing on the dust blowing bar (45)
Plate (451), the dust scraping plate (451) contradict on the surface of the dust filtration plate (2).
5. computer dust guard according to claim 4, which is characterized in that the dust blowing mechanism (4) further includes connection
Seat (46) and steering assembly, the attachment base (46) are connected on the sliding seat (42), dust blowing bar (45) the rotation setting
On the attachment base (46), the attachment base (46) is equipped with locked component, and the steering assembly drives the dust blowing bar
(45) after the attachment base (46) rotation, the dust blowing bar (45) is locked in the attachment base (46) by the locked component
On.
6. computer dust guard according to claim 5, which is characterized in that the steering assembly includes second incomplete
Gear (47), upper steering rack (48) and lower steering rack (49), second partial gear (47) are co-axially located at described
On dust blowing bar (45), the upper steering rack (48) is arranged on the cabinet (1), and the dust blowing bar (45) moves up the end of stroke
Section, is engaged by the upper steering rack (48) with second partial gear (47), and the dust blowing bar (45) is driven to rotate,
Contradict the dust scraping plate (451) on the dust filtration plate (2), the lower steering rack (49) is arranged in the cabinet
(1) on, the dust blowing bar (45) moves down the latter end of stroke, passes through the lower steering rack (49) and second partial gear
(47) it engages, drives the dust blowing bar (45) to rotate, so that the dust scraping plate (451) is separated with the dust filtration plate (2).
7. computer dust guard according to claim 5, which is characterized in that the locked component includes flexible positioning piece
(8), in the empty slot (463) that the flexible positioning piece (8) is arranged on the attachment base (46), setting in the empty slot (463)
Have a shaft (464), the flexible positioning piece (8) includes circular arc seat (81) and a pair of of bulging bar (82), the circular arc seat (81)
It is rotatably sleeved on the shaft (464), a pair of of bulging bar (82) is symmetrically connected on the circular arc seat (81), a support
Compression bar (82) supports on the inner wall of the empty slot (463), another bulging bar (82) is kept out on the dust blowing bar (45)
In locating slot (454).
8. computer dust guard according to claim 7, which is characterized in that there are two the locating slot (454) sets.
9. computer dust guard according to claim 1, which is characterized in that further include disposal box (5), the disposal box
(5) it is arranged in the lower section of the dust filtration plate (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910621408.3A CN110449438B (en) | 2019-07-10 | 2019-07-10 | Computer dust keeper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910621408.3A CN110449438B (en) | 2019-07-10 | 2019-07-10 | Computer dust keeper |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110449438A true CN110449438A (en) | 2019-11-15 |
| CN110449438B CN110449438B (en) | 2020-09-08 |
Family
ID=68482606
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910621408.3A Active CN110449438B (en) | 2019-07-10 | 2019-07-10 | Computer dust keeper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110449438B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20160227916A1 (en) * | 2015-02-09 | 2016-08-11 | Samsung Electronics Co., Ltd | Filter cleaning device |
| CN206348709U (en) * | 2016-11-08 | 2017-07-21 | 中国人民解放军军械工程学院 | Reciprocating automatically cleaning cabinet |
| CN206557698U (en) * | 2017-03-24 | 2017-10-13 | 浙江传媒学院 | A kind of computer cabinet dust guard |
| CN107824489A (en) * | 2017-10-31 | 2018-03-23 | 陈永 | A kind of cleaning device of casting box |
| CN107957752A (en) * | 2017-12-11 | 2018-04-24 | 无锡艾科瑞思产品设计与研究有限公司 | A kind of computer portable fan dedusting cooling cabinet |
| CN108758891A (en) * | 2018-06-01 | 2018-11-06 | 利辛县儒康医药有限公司 | A kind of dust exhaust apparatus for medical dust free room |
-
2019
- 2019-07-10 CN CN201910621408.3A patent/CN110449438B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20160227916A1 (en) * | 2015-02-09 | 2016-08-11 | Samsung Electronics Co., Ltd | Filter cleaning device |
| CN206348709U (en) * | 2016-11-08 | 2017-07-21 | 中国人民解放军军械工程学院 | Reciprocating automatically cleaning cabinet |
| CN206557698U (en) * | 2017-03-24 | 2017-10-13 | 浙江传媒学院 | A kind of computer cabinet dust guard |
| CN107824489A (en) * | 2017-10-31 | 2018-03-23 | 陈永 | A kind of cleaning device of casting box |
| CN107957752A (en) * | 2017-12-11 | 2018-04-24 | 无锡艾科瑞思产品设计与研究有限公司 | A kind of computer portable fan dedusting cooling cabinet |
| CN108758891A (en) * | 2018-06-01 | 2018-11-06 | 利辛县儒康医药有限公司 | A kind of dust exhaust apparatus for medical dust free room |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110449438B (en) | 2020-09-08 |
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