CN108786322A - A kind of dust-extraction unit and its detection method with filter screen self-checking function - Google Patents
A kind of dust-extraction unit and its detection method with filter screen self-checking function Download PDFInfo
- Publication number
- CN108786322A CN108786322A CN201810542974.0A CN201810542974A CN108786322A CN 108786322 A CN108786322 A CN 108786322A CN 201810542974 A CN201810542974 A CN 201810542974A CN 108786322 A CN108786322 A CN 108786322A
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- filter screen
- dust
- baffle
- arm
- trigger mechanism
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- 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
- B01D46/42—Auxiliary equipment or operation thereof
- B01D46/44—Auxiliary equipment or operation thereof controlling filtration
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/06—Polluted air
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The invention discloses a kind of dust-extraction unit and its detection method with filter screen self-checking function, the dust-extraction unit with filter screen self-checking function includes：Filter screen, detection device, regulating arm, baffle, baffle trigger mechanism, dedusting mechanism, dedusting trigger mechanism and the rack for installing above-mentioned each component and mechanism；The regulating arm includes input arm, the first output arm and the second output arm, the input arm is connected to detection device, first output arm can be connected to baffle trigger mechanism, second output arm is connected to dedusting trigger mechanism, the regulating arm can switch between the position and the position for triggering dedusting trigger mechanism of triggering baffle trigger mechanism, the baffle trigger mechanism connects baffle, is set in rack to barrier slides, and the dedusting trigger mechanism connects dedusting mechanism.Structure of the invention is ingenious, has the function of self-checking function and automatic cleaning dust.
Description
Technical field
The present invention relates to dedusting technology field, specially a kind of dust-extraction unit and its inspection with filter screen self-checking function
Survey method.
Background technology
Cleaner is filtered the air with dust usually using filter screen, filter screen after prolonged use,
When can energy product expire dust, cause filter effect to be deteriorated；Second is that wire side is damaged, the air with dust can not be filtered；Work as appearance
It when both of these case, needs to be handled in time, existing device is typically that cannot find to ask in time to filter screen hand inspection
Topic.
Invention content
In view of the above problems, the present invention provides a kind of dust-extraction unit with filter screen self-checking function and its detection sides
Method, delicate structure have self-test and dedusting function, can effectively solve the problems in background technology.
To achieve the above object, the present invention provides the following technical solutions：
A kind of dust-extraction unit with filter screen self-checking function, a kind of dedusting dress with filter screen self-checking function
It sets, which is characterized in that including：Filter screen, detection device, regulating arm, baffle, baffle trigger mechanism and for installing above-mentioned each portion
The rack of part and mechanism；The regulating arm includes input arm and the first output arm, and the input arm is connected to detection device, described
First output arm can be connected to baffle trigger mechanism, and the baffle trigger mechanism connects baffle, is set to rack to barrier slides
On.
By using above-mentioned technical proposal, dust-extraction unit has self detecting function, if filter screen destroys, detection device makes
First output arm of regulating arm triggers baffle trigger mechanism, and baffle downslide is made to cover filter screen, to prevent dust from entering air duct, from
It is dynamic efficiently to prevent dust from entering air duct after filter screen breakage.
Further include dedusting mechanism and dedusting trigger mechanism, the regulating arm as a kind of preferred technical solution of the present invention
Further include the second output arm, second output arm is connected to dedusting trigger mechanism, and the regulating arm can be in triggering baffle triggering
Switch between the position of mechanism and the position for triggering dedusting trigger mechanism, the dedusting trigger mechanism connects dedusting mechanism.Pass through
Using above-mentioned technical proposal, regulating arm is rotatably arranged in the position of triggering baffle trigger mechanism and triggering dedusting triggering machine
Switch between the position of structure, covers breakage in time after realizing filter screen breakage, and when dust accumulation is excessive, it also can be automatic
Cleaning dust is carried out to filter screen.
As a kind of preferred technical solution of the present invention, the dedusting trigger mechanism includes rack bar, gear and shaft, tooth
Bar be directly connected to or indirectly by a drawstring connect the second output arm, and the rack bar sliding be connected to a second support
In upper or rack, the wheel and rack bar engagement, the gear is fixedly installed in shaft, and the shaft connects dust removal machine
Structure.By using above-mentioned technical proposal, dedusting trigger mechanism can make automatic trigger dedusting mechanism dedusting.Compact and ingenious structure is removed
Dirt is efficiently convenient, and the setting of wheel and rack bar keeps the rotation of shaft more accurate, makes the accurate dedusting of dedusting mechanism.
As a kind of preferred technical solution of the present invention, the dedusting mechanism includes second connecting rod, third connecting rod and cleaning
One end of bar, the second connecting rod is fixedly connected with institute's shaft, and the other end is pivotally connected one end of the third connecting rod, the third connecting rod
The other end be pivotally connected one end of the cleaning bar, the cleaning bar is articulated in rack, and cleaning bar can be rotated around pivoting point, with clear
Sweep the filter screen.By using above-mentioned technical proposal, the concrete structure of dedusting mechanism is convenient for dedusting, the rotation of shaft to drive
Second connecting rod rotates, and third connecting rod is driven to swing, and then cleaning bar is made to swing to complete the cleaning to filter screen.
As a kind of preferred technical solution of the present invention, the baffle trigger mechanism includes pressing plate and coaxially connected with pressing plate
L-type supporting plate, first output arm can contact the pressing plate, and baffle, the pressure are stated in the lower end support residence of the L-type supporting plate
The upper end of plate holds out against spring by one and is resisted against in rack.By using above-mentioned technical proposal, holds out against spring and compression spring can be used, make
The reliable support of L-type support supporting plate lives baffle.The concrete structure setting of baffle trigger mechanism is reasonable, can support live baffle so that filtering
Net keeps clear, if filter screen is damaged, baffle can be glided because of the disengaging of L-type supporting plate to shelter from the entrance of filter screen, prevented
Only dust largely enters.
As a kind of preferred technical solution of the present invention, the detection device includes shell, arc panel, runner, pinch roller, consolidates
Determine bolt, conducting wire and wind wheel, the runner is arranged concentrically with shell, and the arc panel is arranged between runner and shell, arc
The inside of plate and runner CONTACT WITH FRICTION, one end of the conducting wire are fixed on arc panel, and conducting wire is pierced by shell, are bypassed pinch roller, are led
The other end of line is fixed on fixing bolt, and the wind wheel and runner are coaxially connected, and pinch roller is articulated in input arm one end of regulating arm.
By using above-mentioned technical proposal, breakage and the dust situation of detection device being provided with conducive to detection filter screen, convenient for mistake
Strainer carries out subsequent processing.
As a kind of preferred technical solution of the present invention, rolling is provided between the outside of the arc panel and the inner wall of shell
Wheel.By using above-mentioned technical proposal, the movement of idler wheel being provided with conducive to arc panel relative to shell keeps its operation more suitable
Freely.
As a kind of preferred technical solution of the present invention, between the pinch roller and fixing bolt position, it is provided with a pair of of guiding
Wheel, conducting wire are passed through between the pair of directive wheel.By using above-mentioned technical proposal, directive wheel is provided with conducive to conducting wire
Tensioning and guiding keep the rotation of regulating arm more smoothly steady.
As a kind of preferred technical solution of the present invention, the rack includes first partition, second partition and third partition board,
First partition fits in second partition, and second partition is vertically connected at third partition board, the filter screen be installed on described first every
On plate, the baffle is installed on the second partition, and the detection device and baffle trigger mechanism are installed on third partition board,
The regulating arm is articulated in one first rack or is articulated on third partition board, and the dedusting trigger mechanism is installed on second partition
On.By using above-mentioned technical proposal, the concrete structure of rack is conducive to the layout of each component, keeps integral structure layout reasonable,
It runs unobstructed.
A kind of detection method of the dust-extraction unit with filter screen self-checking function, using any of the above-described technical solution institute
A kind of dust-extraction unit with filter screen self-checking function stated, including following methods：
A. filter screen breakage method is detected, if filter screen is damaged, wind wheel is rotated and is become faster, and runner becomes faster, by wire tensioning,
The input terminal of regulating arm is set to raise, pressing plate is withstood in the first output arm pushing of the regulating arm other end, and the rotation of L-type supporting plate is to be detached from gear
Plate, baffle slide downward, blocks filter screen；
B. filter screen dust accumulation method is detected and clears up, if filter screen dust accumulation is more, wind speed is slack-off, and runner slows,
Conducting wire becomes loose, and the input terminal of regulating arm reduces, and the second output arm of the regulating arm other end drives rack bar to move upwards, band
Moving gear rotates, i.e., shaft rotates, and the second connecting rod of the shaft other end drives cleaning bar to swing by third connecting rod, to filter screen
On dust cleared up.By using above-mentioned technical proposal, detection method is simply accurate, is convenient for the damage testing of filter screen,
And timely automated after breakage is blocked, and the automatic dust removing of filter screen is also allowed for.
Compared with prior art, the beneficial effects of the invention are as follows：Clever structure is reasonable, and it is damaged to have automatic detection filter screen
And the function of dust on filter screen is removed, it is easy to use.
Description of the drawings
Fig. 1 is the control room schematic internal view of the present invention；
Fig. 2 is the outlet air chamber interior schematic diagram of the present invention；
Fig. 3 is the enlarged diagram at C in Fig. 1 of the present invention；
Fig. 4 is the schematic diagram at A-A in Fig. 1 of the present invention；
Fig. 5 is the enlarged diagram at B in Fig. 1 of the present invention；
Fig. 6 is the schematic top plan view of structure of the invention；
In figure：1- first partitions, 2- second partitions, 3- third partition boards, 4- filter screens, 5- runners, 6- pinch rollers, 7- are oriented to
Wheel, 8- fixing bolts, 9- wind wheels, 10- regulating arms, the first output arms of 101-, the second output arms of 102-, 11- first supports, 12- pressures
Plate, 13- hold out against spring, 14-L type supporting plates, 15- mounting grooves, 16- baffles, 17- ventilation holes, 18- drawstrings, 19- rack bars, 20-
Two holders, 21- gears, 22- shafts, 23- second connecting rods, 24- third connecting rods, 25- cleaning bars, 26- conducting wires, 27- shells, 28-
Arc panel, 29- idler wheels.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, ordinary skill staff are obtained all without making creative work
Other embodiment shall fall within the protection scope of the present invention.
Embodiment 1
- 6 are please referred to Fig.1, the present invention provides a kind of technical solution：A kind of dedusting dress with filter screen self-checking function
It sets, described device is set in air duct, and dedusting is filtered to the air to circulate in air duct.The dust-extraction unit includes：Filtering
Net 4, detection device, regulating arm 10, baffle 16, baffle trigger mechanism, dedusting mechanism, dedusting trigger mechanism and above-mentioned for installing
The rack of each component and mechanism；The shape of regulating arm 10 can be as shown in fig. 1, specifically,
Regulating arm 10 includes input arm, the first output arm 101 and the second output arm 102, and the first output arm 101 is located at second
The top of output arm 102, the two left end is open-shaped, and the two right end closure is connected to input arm, the first output arm 101 and second
Output arm 102 is located at the same side, and input arm is located at the other side, and input arm is connected to detection device, and the first output arm 101 can connect
To baffle trigger mechanism, the second output arm 102 is connected to dedusting trigger mechanism, and regulating arm 10 can be in triggering baffle trigger mechanism
Switch between position and the position for triggering dedusting trigger mechanism, baffle trigger mechanism connects baffle 16, and baffle 16 is slidably arranged
In in rack, dedusting trigger mechanism connects dedusting mechanism.
Dedusting trigger mechanism includes rack bar 19, gear 21 and shaft 22, and rack bar 19 is directly connected to or indirectly by one
Drawstring 18 connects the second output arm 102 and specifically please refers to Fig.1, the end of the second output arm 102 is hinged drawstring 18, drawstring 18
The other end be hinged on rack bar 19, what rack bar 19 slided up and down is connected in second support 20, second support 20 fix
On the side wall of second partition 2, the side of rack bar 19 is equipped with is set in shaft 22 with its rack meshed gears 21, gear 21
One end, shaft 22 connect dedusting mechanism, dedusting mechanism includes that second connecting rod 23, third connecting rod 24 and cleaning bar 25 (please refer to
Fig. 1, Fig. 4 and Fig. 5), i.e. the other end of shaft 22 turns through second partition 2, first partition 1, and the other end of shaft 22 penetrates
Inlet air plenum is interior and is fixedly connected with one end of second connecting rod 23, and 23 other end of second connecting rod is hinged one end of third connecting rod 24, third
The other end of connecting rod 24 is hinged on the bottom end of cleaning bar 25, and the middle part of cleaning bar 25 is rotatably connected in first partition 1.
It please refers to Fig.1 and Fig. 6, rack uses first partition 1, second partition 2 and third partition board 3, by the inside points in air duct
It is divided into inlet air plenum, goes out air compartment and control room, together with first partition 1 is bonded to each other with second partition 2, first partition 1 and air duct
Inner wall sealing connection, the signal of other components is omitted in Fig. 6, only by each partition board and runner 5, wind wheel 9, mounting groove 15, logical
Air holes 17 is schematically shown as position, so that structure of the invention is more than you know.
Detection device is installed in the air side of filter screen 4, is please referred to Fig.1, Fig. 2 and Fig. 3, detection device include shell
27, arc panel 28, runner 5, pinch roller 6, a pair of of directive wheel 7, fixing bolt 8, conducting wire 26 and wind wheel 9, the setting of wind wheel 9 are going out air compartment
Interior, shell 27, arc panel 28, runner 5, pinch roller 6, a pair of of directive wheel 7, fixing bolt 8 are arranged in control room, runner 5 and shell
27 are arranged concentrically, and arc panel 28 is arranged between runner 5 and shell 27, inside and 5 CONTACT WITH FRICTION of runner of arc panel 28, arc
It is contacted by idler wheel 29 between the outside of plate 28 and the inner wall of shell 27, one end of conducting wire 26 is fixed on arc panel 28, conducting wire
26 other end is pierced by after shell 27 bypasses pinch roller 6 and a pair of of directive wheel 7 successively, and the other end of conducting wire 26 is fixed on fixing bolt 8
On, wind wheel 9 and runner 5 are coaxially connected, and pinch roller 6 is rotatably connected on one end of regulating arm 10, and the other side upper end of regulating arm 10 is
First output arm 101, lower end are the second output arm 102, and the middle part of regulating arm 10 is hinged in first support 11, first support 11
It is fixed on the bottom wall in air duct.
2 upper end of second partition it is corresponding with the first output arm 101 be equipped with pressing plate 12, the upper end of pressing plate 12 with second every
Between plate 2 by hold out against spring 13 connect, in outlet air room be equipped with 12 coaxially connected L-type supporting plate 14 of pressing plate, in outlet air room
2 surface of second partition be equipped with mounting groove 15, slided up and down in mounting groove 15 equipped with baffle 16, L-type supporting plate 14 can hold gear
Plate 16 makes it not glide, and is equipped with ventilation hole 17 in the position corresponding with mounting groove 15 of first partition 1, is fixed at ventilation hole 17
There are filter screen 4, baffle 16 that can block filter screen 4 when gliding.
Detection method：When filter screen 4 is damaged, become larger by the air quantity of filter screen 4, the rotation of wind wheel 9 becomes faster, to drive
Coaxial runner 5 becomes faster, and runner 5 can make arc panel tense conducting wire 26 by the friction between arc panel 28, from
And the one end for making pinch roller 6 drive regulating arm 10 is raised, pressing plate 12 is withstood in the first output arm 101 pushing of 10 other end of regulating arm,
Pressing plate 12 can drive coaxial L-type supporting plate 14 to rotate when being withstood, L-type supporting plate 14 cannot continue to hold after rotating
Baffle 16 blocks the filter screen 4 in first partition 1 to make 16 slide downward of baffle；
When 4 dust accumulation of filter screen is more, wind speed is slack-off, and runner 5 slows, the friction between runner 5 and arc panel 28
Power reduces, and arc panel 28 is not stretched by conducting wire 26, and conducting wire 26 can become loose, to make pinch roller 6 drive the one of regulating arm 10
End reduces, and the second output arm 102 of 10 other end of regulating arm drives rack bar 19 to move upwards by drawstring 18, rack bar 19 to
It moves up the enough band moving gears 21 of kinetic energy to rotate, gear 21 drives shaft 22 to rotate, and the second connecting rod 23 of 22 other end of shaft can lead to
Crossing third connecting rod 24 drives the upper end of cleaning bar 25 to swing, to clear up the inner face dust of filter screen 4.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
All any modification, equivalent and improvement etc., should all be included in the protection scope of the present invention made by within refreshing and principle.
Claims (10)
1. a kind of dust-extraction unit with filter screen self-checking function, which is characterized in that including：Filter screen (4), detection device,
Regulating arm (10), baffle (16), baffle trigger mechanism and the rack for installing above-mentioned each component and mechanism；The regulating arm
(10) include input arm and the first output arm (101), the input arm is connected to detection device, first output arm (101)
Baffle trigger mechanism, the baffle trigger mechanism connection baffle (16) are can be connected to, baffle (16) is slidingly arranged in rack.
2. a kind of dust-extraction unit with filter screen self-checking function according to claim 1, which is characterized in that further include
Dedusting mechanism and dedusting trigger mechanism, the regulating arm (10) further include the second output arm (102), second output arm
(102) it is connected to dedusting trigger mechanism, the regulating arm (10) can touch in the position of triggering baffle trigger mechanism and triggering dedusting
Switch between the position of hair mechanism, the dedusting trigger mechanism connects dedusting mechanism.
3. a kind of dust-extraction unit with filter screen self-checking function according to claim 2, which is characterized in that described to remove
Dirt trigger mechanism includes rack bar (19), gear (21) and shaft (22), and rack bar (19) is directly connected to or is drawn indirectly by one
Restrict (18) connect second output arm (102), and the rack bar (19) sliding be connected in a second support (20) or rack
On, the gear (21) is engaged with rack bar (19), and the gear (21) is fixedly installed in shaft (22), the shaft (22)
Connect dedusting mechanism.
4. a kind of dust-extraction unit with filter screen self-checking function according to claim 3, which is characterized in that described to remove
Dirt mechanism includes second connecting rod (23), third connecting rod (24) and cleaning bar (25), and one end of the second connecting rod (23), which is fixed, to be connected
Institute's shaft (22) is connect, the other end is pivotally connected one end of the third connecting rod (24), and the other end of the third connecting rod (24) is pivotally connected institute
One end of cleaning bar (25) is stated, the cleaning bar (25) is articulated in rack, and cleaning bar (25) can be rotated around pivoting point to clean
The filter screen (4).
5. a kind of dust-extraction unit with filter screen self-checking function according to claim 1, which is characterized in that the gear
Plate trigger mechanism includes pressing plate (12) and the L-type supporting plate (14) coaxially connected with pressing plate (12), and first output arm (101) can
The pressing plate (12) is contacted, baffle (16) is stated in the lower end support residence of the L-type supporting plate (14), and the upper end of the pressing plate (12) is logical
It crosses one and holds out against spring (13) and be resisted against in rack.
6. a kind of dust-extraction unit with filter screen self-checking function according to claims 1 or 2 or 3 or 4 or 5, special
Sign is that the detection device includes shell (27), arc panel (28), runner (5), pinch roller (6), fixing bolt (8), conducting wire (26)
And wind wheel (9), the runner (5) are arranged concentrically with shell (27), the arc panel (28) is arranged in runner (5) and shell
(27) between, inside and runner (5) CONTACT WITH FRICTION of arc panel (28), one end of the conducting wire (26) is fixed on arc panel (28)
On, conducting wire (26) is pierced by shell (27), bypasses pinch roller (6), and the other end of conducting wire (26) is fixed on fixing bolt (8), the wind
It takes turns (9) and runner (5) is coaxially connected, pinch roller (6) is articulated in input arm one end of regulating arm (10).
7. a kind of dust-extraction unit with filter screen self-checking function according to claim 6, which is characterized in that the arc
It is provided with idler wheel (29) between the outside and the inner wall of shell (27) of shape plate (28).
8. a kind of dust-extraction unit with filter screen self-checking function according to claim 6, which is characterized in that the pressure
Between taking turns (6) and fixing bolt (8) position, it is provided with a pair of of directive wheel (7), conducting wire (26) is between the pair of directive wheel (7)
It passes through.
9. a kind of dust-extraction unit with filter screen self-checking function according to claim 1, which is characterized in that the machine
Frame includes first partition (1), second partition (2) and third partition board (3), and first partition (1) fits in second partition (2), and second
Partition board (2) is vertically connected at third partition board (3), and the filter screen (4) is installed in the first partition (1), the baffle
(16) it is installed on the second partition (2), the detection device and baffle trigger mechanism are installed on third partition board (3), institute
It states regulating arm (10) to be articulated in one first rack (11) or be articulated on third partition board (3), the dedusting trigger mechanism installation
In on second partition (2).
10. a kind of detection method of the dust-extraction unit with filter screen self-checking function, which is characterized in that including following methods：
A. filter screen breakage method is detected, if filter screen (4) is damaged, wind wheel (9) rotation becomes faster, and runner (5) becomes faster, by conducting wire
(26) it tenses, the input terminal of regulating arm (10) is made to raise, pressure is withstood in the first output arm (101) pushing of regulating arm (10) other end
Plate (12), L-type supporting plate (14) are rotated to be detached from baffle (16), and baffle (16) slide downward blocks filter screen (4)；
B. filter screen dust accumulation method is detected and clears up, if filter screen (4) dust accumulation is more, wind speed is slack-off, and runner (5) slows,
Conducting wire (26) becomes loose, and the input terminal of regulating arm (10) reduces, and second output arm (102) of regulating arm (10) other end drives
Rack bar (19) moves upwards, and band moving gear (21) rotates, i.e., shaft (22) rotates, the second connecting rod of shaft (22) other end
(23) it drives cleaning bar (25) to swing by third connecting rod (24), the dust on filter screen (4) is cleared up.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810542974.0A CN108786322B (en) | 2018-05-30 | 2018-05-30 | A kind of dust-extraction unit and its detection method with filter screen self-checking function |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810542974.0A CN108786322B (en) | 2018-05-30 | 2018-05-30 | A kind of dust-extraction unit and its detection method with filter screen self-checking function |
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| CN108786322B CN108786322B (en) | 2019-07-02 |
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| CN109821310A (en) * | 2019-03-04 | 2019-05-31 | 正泰电气股份有限公司 | The switchgear assembly of self-cleaning ventilative filter device and preassembled transformer station in preassembled transformer station on switchgear assembly |
| CN109821310B (en) * | 2019-03-04 | 2023-08-08 | 正泰电气股份有限公司 | Self-cleaning ventilation filter device on complete switch equipment in preassembled transformer substation and complete switch equipment of preassembled transformer substation |
| CN113944985A (en) * | 2021-11-09 | 2022-01-18 | 青岛海尔空调电子有限公司 | Air conditioner filter screen detection method, storage medium and air conditioner |
| CN114777262A (en) * | 2022-04-28 | 2022-07-22 | 南通市通州区远宏色织有限责任公司 | Air purification equipment applied to textile mill |
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| CN108786322B (en) | 2019-07-02 |
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