CN110986237B - New trend system filter equipment - Google Patents
New trend system filter equipment Download PDFInfo
- Publication number
- CN110986237B CN110986237B CN201911261674.6A CN201911261674A CN110986237B CN 110986237 B CN110986237 B CN 110986237B CN 201911261674 A CN201911261674 A CN 201911261674A CN 110986237 B CN110986237 B CN 110986237B
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- Prior art keywords
- filter
- fixedly connected
- filter box
- fixed connection
- connecting rod
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F7/00—Ventilation
- F24F7/007—Ventilation with forced flow
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L9/00—Disinfection, sterilisation or deodorisation of air
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/28—Arrangement or mounting of filters
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
- F24F8/10—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
- F24F8/10—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering
- F24F8/117—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering using wet filtering
Abstract
The invention discloses a fresh air system filtering device, which comprises a bottom plate and is characterized in that: the upper side of the bottom plate is fixedly connected with a first filter box and a second filter box, the first filter box and the second filter box are communicated through a connecting pipe, one side of the first filter box is fixedly connected with an air suction pump, the upper side edge position of the second filter box is fixedly connected with an air exhaust pump, the air exhaust pump is fixedly connected with an air outlet, a filter belt reciprocating module and a filter belt rotating module are arranged in the first filter box, and a filter plate rotating module is arranged in the second filter box. The invention relates to the field of air filtering equipment, in particular to a filtering device of a fresh air system. The invention can filter and purify air.
Description
Technical Field
The invention relates to the field of air filtering equipment, in particular to a filtering device of a fresh air system.
Background
Air pollution is listed as one of three pollution in the world, the harm and the influence are very large, and the body health is easily damaged by inhaling low-quality air, so that various diseases are induced. The air is filtered by adopting the filter material, and particularly the filter material used in a fresh air system is very popular.
The filtering effect of the existing filtering device is limited by the size of the filter, the filtering effect of the filter which is usually small in size is not ideal, and in some large-scale occasions with serious pollution, a large-scale fresh air system filtering device with high filtering effect is needed, which is a disadvantage in the prior art.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a fresh air system filtering device which is convenient for filtering and purifying air.
The invention adopts the following technical scheme to realize the purpose of the invention:
the utility model provides a new trend system filter equipment, includes the bottom plate, characterized by: the upper side of the bottom plate is fixedly connected with a first filter box and a second filter box, the first filter box and the second filter box are communicated through a connecting pipe, one side of the first filter box is fixedly connected with an air suction pump, the edge position of the upper side of the second filter box is fixedly connected with an air exhaust pump, the air exhaust pump is fixedly connected with an air outlet, a filter belt reciprocating module and a filter belt rotating module are arranged in the first filter box, and a filter plate rotating module is arranged in the second filter box;
the filter belt reciprocating module comprises an edge strip, wherein the edge strip is fixed on the side wall of the first filter box, the edge strip is matched with a group of clamping grooves which are uniformly distributed, the clamping grooves in the middle are fixedly connected with the middle position of the edge strip, each clamping groove is fixedly connected with the lower end of a vertical plate, the lower part and the upper part of one side of each vertical plate are hinged with a rotating shaft respectively, and the rotating shafts of the vertical plates are sleeved with the filter belt in an annular mode.
As the technical scheme, four vertical plates on one side are hinged with one end of a first connecting rod respectively, the other end of the first connecting rod is hinged with one end of a second connecting rod respectively through a pin shaft, the other end of the second connecting rod is hinged with one corresponding vertical plate respectively, all the pin shafts are embedded into sliding grooves of straight groove rods, the upper sides of the one ends of the straight groove rods are fixedly connected with the end parts of piston rods of air cylinders, the cylinder bodies of the air cylinders are fixedly connected with one ends of the inner walls of the rear sides of the first filter boxes, the upper sides of the other ends of the straight groove rods are fixedly connected with cylinders, the cylinders are inserted into square sleeves, and the square sleeves are fixedly connected with the other ends of the inner walls of the rear sides of the.
As a further limitation of the technical scheme, the filter belt rotating module comprises a rack, the rack is fixedly connected with the upper end of the inner wall of the rear side of the first filter box, one end of each rotating shaft on the upper portion of the first filter box is fixedly connected with the center of a gear, and all the gears are meshed with the rack.
As a further limitation of the technical scheme, the filter belt rotation module comprises a group of round rods uniformly distributed in a circumferential manner, all the round rods are hinged to the upper side wall of the second filter box, the lower parts of the round rods are respectively and fixedly connected with one ends of a group of L-shaped rods uniformly distributed in a circumferential manner, the lower ends of the round rods are respectively hinged to the upper end planes of cylindrical sloping blocks, the center of the inclined plane of the lower end of each cylindrical sloping block is fixedly connected with the central shaft of a round plate, the round plate is fixedly connected with the bottom end of the second filter box, the other end of each L-shaped rod is respectively and fixedly connected with one end of a Z-shaped rod, the other ends of the Z-shaped rods are respectively and fixedly connected with round balls, all the round balls are embedded into annular sloping chutes, the annular sloping chutes are arranged on the lower arc surface of the cylindrical sloping blocks, and one end part of each Z-shaped rod penetrates through the centers of, and one side of the other end of each T-shaped block is fixedly connected with the filter plate through a fixed connecting rod.
As a further inject of this technical scheme, every the center of the round bar upper end difference fixed connection looks isostructure's gear wheel, all the gear wheel all meshes the ring gear, ring gear inner wall fixed connection cross rod, cross rod fixed connection turning block, the lower extreme fixed connection motor's of turning block output shaft, motor fixed connection the rose box is two last.
As a further limitation of the technical scheme, the second filter box is a circular box body.
As a further limitation of the technical scheme, the front side of the first filter box is hinged with a side door.
Compared with the prior art, the invention has the advantages and positive effects that:
(1) the side door can be opened, so that disinfectant can be added conveniently to prevent the disinfectant from being lacked due to loss in the using process;
(2) a piston rod of the air cylinder reciprocates up and down to drive a straight-groove rod to reciprocate up and down, the straight-groove rod drives a cylinder to reciprocate up and down in a square sleeve, the straight-groove rod drives a pin shaft to reciprocate up and down, a clamping groove and a vertical plate in the middle are fixed, a hinge joint of a connecting rod I and a connecting rod II in the middle is fixed, the pin shaft reciprocates up and down to drive the connecting rod I and the connecting rod II to swing back and forth, the connecting rod I and the connecting rod II drive the pin shafts on two sides to reciprocate in a sliding groove of the straight-groove rod, finally, the connecting rod I and the connecting rod II respectively drive the corresponding vertical plates to, the first connecting rod and the second connecting rod have the same specification, and the distance between the adjacent vertical plates is always the same, so that the vertical plates drive the rotating shaft and the filter belt to reciprocate, the reciprocating movement of the filter belt can be realized, the contact effect of the filter felt cloth adhered to the outer side of the filter belt and air is increased, and dust and the like in the air can be better adsorbed;
(3) the upper rotating shaft drives the gear to reciprocate along the rack, the gear is meshed with the rack, the gear rotates while reciprocating and drives the rotating shaft to rotate, the rotating shaft drives the filter belt to rotate, disinfectant is dipped in the filter belt in a reciprocating mode in the rotating process, and the filter felt dipped with the disinfectant can achieve the effect of disinfecting sucked air;
(4) the output shaft of the motor rotates to drive the rotating block, the cross-shaped rod rotates and the gear ring rotates, the gear ring drives the large gear meshed with the gear ring to rotate, the round rod and the L-shaped rod rotate, the L-shaped rod drives the Z-shaped rod to rotate, the Z-shaped rod drives the ball to rotate along the circular oblique chute, under the limiting effect of the circular oblique chute, the Z-shaped rod rotates in a reciprocating mode to drive the T-shaped block and the connecting rod to swing in a reciprocating mode, and the connecting rod drives the filter plate to swing in a reciprocating mode to filter air.
Drawings
Fig. 1 is a schematic perspective view of the present invention.
Fig. 2 is a partial perspective view of the first embodiment of the present invention.
Fig. 3 is a partial perspective view of the second embodiment of the present invention.
Fig. 4 is a schematic view of a partial three-dimensional structure of the present invention.
Fig. 5 is a partial enlarged view of the invention at a in fig. 4.
Fig. 6 is a first sectional view of a partial three-dimensional structure according to the present invention.
Fig. 7 is a second sectional view of the partial three-dimensional structure of the present invention.
Fig. 8 is a partial enlarged view of the present invention at B in fig. 7.
Fig. 9 is a third schematic sectional view of the partial three-dimensional structure of the present invention.
Fig. 10 is a partial perspective view illustrating a fourth embodiment of the present invention.
Fig. 11 is a cross-sectional view of the partial three-dimensional structure of the present invention.
Fig. 12 is a schematic partial perspective view of the present invention.
Fig. 13 is a schematic diagram six of a partial three-dimensional structure of the present invention.
Fig. 14 is a schematic sectional view of a partial three-dimensional structure of the present invention.
Fig. 15 is a schematic partial perspective view illustrating a seventh embodiment of the present invention.
Fig. 16 is a schematic perspective view of the cylindrical swash block of the present invention.
In the figure: 1. the filter box comprises a first filter box body, a second filter box body, a third filter box body, a fourth filter box body, a fifth filter box body, a sixth filter box body, a fifth filter box body, a sixth filter box.
Detailed Description
An embodiment of the present invention will be described in detail below with reference to the accompanying drawings, but it should be understood that the scope of the present invention is not limited to the embodiment.
As shown in fig. 1-16, the present invention comprises a bottom plate 3, wherein the upper side of the bottom plate 3 is fixedly connected with a first filter tank 1 and a second filter tank 5, the first filter tank 1 is communicated with the second filter tank 5 through a connecting pipe 37, one side of the first filter tank 1 is fixedly connected with an air suction pump 25a, the upper side edge of the second filter tank 5 is fixedly connected with an exhaust pump 7, the exhaust pump 7 is fixedly connected with an air outlet 8, a filter belt reciprocating module and a filter belt rotating module are arranged in the first filter tank 1, and a filter plate rotating module is arranged in the second filter tank 5.
The filter belt reciprocating module comprises an edge strip 25, wherein the edge strip 25 is fixed on the side wall of the first filter box 1, the edge strip 25 is matched with a group of clamping grooves 26 which are uniformly distributed, the clamping groove 26 in the middle is fixedly connected with the middle position of the edge strip 25, each clamping groove 26 is fixedly connected with the lower end of a vertical plate 31, the lower part and the upper part of one side of each vertical plate 31 are respectively hinged with a rotating shaft 32, and two rotating shafts 32 of each vertical plate 31 are sleeved with a filter belt 36 in an annular mode.
The four vertical plates 31 on one side are respectively hinged with one end of a first connecting rod 33, the other end of the first connecting rod 33 is hinged with one end of a second connecting rod 35 through a pin shaft 34, the other end of the second connecting rod 35 is hinged with a corresponding vertical plate 31, all the pin shafts 34 are embedded into sliding grooves of a straight groove rod 29, the upper side of one end of the straight groove rod 29 is fixedly connected with the end part of a piston rod of an air cylinder 23, a cylinder body of the air cylinder 23 is fixedly connected with one end of the inner wall of the rear side of the first filter box 1, the upper side of the other end of the straight groove rod 29 is fixedly connected with a cylinder 28, the cylinder 28 is inserted into a square sleeve 27, and the square sleeve 27 is fixedly connected with the other end of the inner wall.
The filter belt rotating module comprises a rack 24, the rack 24 is fixedly connected with the upper end of the inner wall of the rear side of the first filter box 1, one end of each rotating shaft 32 on the upper portion is fixedly connected with the center of a gear 30, and all the gears 30 are meshed with the rack 24.
The filter belt rotating module comprises a group of round rods 15 which are uniformly distributed in a circumferential manner, all the round rods 15 are hinged on the upper side wall of the second filter box 5, the lower parts of the round rods 15 are respectively and fixedly connected with one ends of a group of L-shaped rods 16 which are uniformly distributed in a circumferential manner, the lower ends of the round rods 15 are respectively hinged with the upper end plane of the inclined cylindrical blocks 17, the center of the inclined plane of the lower end of each inclined cylindrical block 17 is fixedly connected with the central shaft of a circular plate 38, the circular plate 38 is fixedly connected with the bottom end of the second filter box 5, the other end of each L-shaped rod 16 is respectively hinged with one end of a Z-shaped rod 21, the other end of each Z-shaped rod 21 is respectively and fixedly connected with a round ball 22, all the round balls 22 are embedded into an inclined circular sliding groove 18a, the inclined sliding groove 18a is arranged on the arc surface of the lower part of the inclined cylindrical block 17, and one end part of each Z-shaped rod, one side of the other end of each T-shaped block 19 is fixedly connected with the filter plate 18 through a fixed connecting rod 20.
Every 15 upper ends of round bar are the center of gear wheel 6 of fixed connection looks isostructure respectively, all gear wheel 6 all meshes ring gear 9, ring gear 9 inner wall fixed connection cross 10, cross 10 fixed connection turning block 11, the lower extreme fixed connection motor 4's of turning block 11 output shaft, motor 4 fixed connection on rose box two 5.
The second filter box 5 is a circular box body, and the second filter box 5 surrounds the motor 40.
The front side of the first filter box 1 is hinged with a side door 39.
The outside of the filter belt 36 is adhered with a filter felt.
The first filter box 1 and the second filter box 5 are made of acrylic transparent materials.
26 positions of the clamping grooves are 5, and the first connecting rod 33 and the second connecting rod 35 are 4.
The first connecting rod 33 and the second connecting rod 35 are identical in structure.
The working process of the invention is as follows: when the device is used, firstly, the side door 39 is opened, disinfectant is poured into the filter box I1, the side door 39 is closed, then the air suction pump 25a and the exhaust pump 7 of the device are opened, the air cylinder 23 and the motor 4 are simultaneously started, the air suction pump 25a sucks air into the filter box 1, the piston rod of the air cylinder 23 reciprocates and drives the straight groove rod 29 to reciprocate and move up, the straight groove rod 29 drives the cylinder 28 to reciprocate and move up in the square sleeve 27 to play a limiting role, the straight groove rod 29 drives the pin shaft 34 to reciprocate and move up, the clamping groove 26 in the middle is fixed, the vertical plate 31 in the middle is fixed, the hinge point of the connecting rod I33 and the connecting rod II 35 in the middle is fixed, the pin shaft 34 reciprocates and drives the connecting rod I33 and the connecting rod II 35 to reciprocate, the connecting rod I33 and the connecting rod II 35 drive the pin shafts on two sides to reciprocate in the sliding groove of the straight groove rod 29, and finally, the vertical plate 31 drives the clamping groove 26 to reciprocate along the edge strip 25, because the first connecting rod 33 and the second connecting rod 35 have the same structure, the distance between the adjacent vertical plates 31 is always the same, the vertical plate 31 drives the rotating shaft 32 and the filter belt 36 to reciprocate, the rotating shaft 32 at the upper part drives the gear 30 to reciprocate along the rack 24, the gear 30 rotates and drives the rotating shaft 32 to rotate while reciprocating due to the meshing of the gear 30 with the rack 24, the rotating shaft 32 drives the filter belt 36 to rotate under the action of friction, the filter belt 36 drives the other rotating shaft 32 to rotate through friction, the filter belt 36 is made of filter felt cloth, the filter felt cloth is dipped with disinfectant in a reciprocating manner in the disinfectant in the rotating process, the effect of adsorbing and disinfecting dust and the like in the sucked air is realized, under the action of the exhaust pump 7, the air enters the filter box II 5 from the connecting pipe 37, the output shaft of the motor 4 rotates to drive the rotating, the cross-shaped rod 10 drives the gear ring 9 to rotate, the gear ring 9 drives the large gear 6 meshed with the gear ring to rotate, the large gear 6 drives the round rod 15 to rotate, the round rod 15 drives the L-shaped rod 16 to rotate, the L-shaped rod 16 drives the Z-shaped rod 21 to rotate, the Z-shaped rod 21 drives the round ball 22 to rotate along the circular inclined chute 18a, under the limiting effect of the circular inclined chute 18a, the Z-shaped rod 21 rotates in a reciprocating mode to drive the T-shaped block 19 and the connecting rod 20 to swing in a reciprocating mode, the connecting rod 20 drives the filter plate 18 to swing in a reciprocating mode, filtered air is achieved, and the filtered air is discharged from the air.
The above disclosure is only one specific embodiment of the present invention, but the present invention is not limited thereto, and any variations that can be made by those skilled in the art are intended to fall within the scope of the present invention.
Claims (6)
1. The utility model provides a new trend system filter equipment, includes bottom plate (3), characterized by: the upper side of the bottom plate (3) is fixedly connected with a first filter box (1) and a second filter box (5), the first filter box (1) is communicated with the second filter box (5) through a connecting pipe (37), one side of the first filter box (1) is fixedly connected with an air suction pump (25a), the edge position of the upper side of the second filter box (5) is fixedly connected with an exhaust pump (7), the exhaust pump (7) is fixedly connected with an air outlet (8), a filter belt reciprocating module and a filter belt rotating module are arranged in the first filter box (1), and a filter plate rotating module is arranged in the second filter box (5);
the filter belt reciprocating module comprises an edge strip (25), the edge strip (25) is fixed on the side wall of the first filter box (1), a group of clamping grooves (26) which are uniformly distributed are wrapped on the outer side of the edge strip (25), the clamping groove (26) in the middle of the edge strip (25) is fixedly connected with the middle position of the edge strip (25), each clamping groove (26) is fixedly connected with the lower end of a vertical plate (31), the lower part and the upper part of one side of each vertical plate (31) are respectively hinged with a rotating shaft (32), and two rotating shafts (32) of each vertical plate (31) are sleeved with a filter belt (36);
the filter plate rotating module comprises a group of round rods (15) which are uniformly distributed in a circumferential mode, all the round rods (15) are hinged to the upper side wall of the second filter box (5), the lower portions of the round rods (15) are respectively fixedly connected with one ends of a group of L-shaped rods (16) which are uniformly distributed in a circumferential mode, the lower ends of the round rods (15) are respectively hinged to the upper end plane of a cylindrical inclined block (17), the center of the inclined plane of the lower end of each cylindrical inclined block (17) is fixedly connected with the central shaft of a circular plate (38), the circular plates (38) are fixedly connected with the bottom end of the second filter box (5), the other ends of the L-shaped rods (16) are respectively hinged to one end of a Z-shaped rod (21), the other ends of the Z-shaped rods (21) are respectively fixedly connected with round balls (22), all the round balls (22) are embedded into annular inclined sliding grooves (18a), and the annular inclined sliding grooves (18a) are arranged on the arc surface of the lower, one end part of each Z-shaped rod (21) penetrates through the L-shaped rod (16) and is fixedly connected with the center of one end of the T-shaped block (19), and one side of the other end of each T-shaped block (19) is fixedly connected with the filter plate (18) through a fixed connecting rod (20).
2. The fresh air system filter device as claimed in claim 1, wherein: four on one side riser (31) go up the one end of articulated connecting rod one (33) respectively, every the other end of connecting rod one (33) is respectively through the one end of round pin axle (34) articulated connecting rod two (35), every the other end of connecting rod two (35) articulates respectively on corresponding one riser (31), all round pin axle (34) all imbed in the spout of straight grooved bar (29), the piston rod tip of the one end upside fixed connection cylinder (23) of straight grooved bar (29), the cylinder body fixed connection of cylinder (23) filter box one (1) rear side inner wall one end, the other end upside fixed connection cylinder (28) of straight grooved bar (29), cylinder (28) insert in square sleeve (27), square sleeve (27) fixed connection the filter box one (1) rear side inner wall other end.
3. The fresh air system filter device as claimed in claim 2, wherein: the filter belt rotating module comprises a rack (24), the rack (24) is fixedly connected with the upper end of the inner wall of the rear side of the first filter box (1), one end of each rotating shaft (32) on the upper portion is fixedly connected with the center of a gear (30), and all the gears (30) are meshed with the rack (24).
4. The fresh air system filter device as claimed in claim 3, wherein: every the center of gear wheel (6) of circle pole (15) upper end difference fixed connection looks isostructure, all gear wheel (6) all meshes ring gear (9), ring gear (9) inner wall fixed connection cross (10), cross (10) fixed connection turning block (11), the output shaft of the lower extreme fixed connection motor (4) of turning block (11), motor (4) fixed connection on rose box two (5).
5. The fresh air system filter device as claimed in claim 1, wherein: the second filter box (5) is a circular box body.
6. The fresh air system filter device as claimed in claim 1, wherein: and the front side of the first filter box (1) is hinged with a side door (39).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911261674.6A CN110986237B (en) | 2019-12-10 | 2019-12-10 | New trend system filter equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911261674.6A CN110986237B (en) | 2019-12-10 | 2019-12-10 | New trend system filter equipment |
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| Publication Number | Publication Date |
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| CN110986237A CN110986237A (en) | 2020-04-10 |
| CN110986237B true CN110986237B (en) | 2021-01-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911261674.6A Active CN110986237B (en) | 2019-12-10 | 2019-12-10 | New trend system filter equipment |
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| CN (1) | CN110986237B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114576776B (en) * | 2022-05-06 | 2022-07-19 | 深圳市鹏跃新能源科技有限公司 | Air purification device with new forms of energy power supply |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61238308A (en) * | 1985-04-17 | 1986-10-23 | Takeshi Hoya | Apparatus for washing filter cloth of filter press |
| JP2008032249A (en) * | 2006-07-26 | 2008-02-14 | Tsuchiya Tsco Co Ltd | Cleaning device for filter |
| CN203404950U (en) * | 2013-08-01 | 2014-01-22 | 广东美的暖通设备有限公司 | Filter net assembly and indoor machine of air conditioner |
| CN207187357U (en) * | 2017-08-07 | 2018-04-06 | 安徽国防科技职业学院 | A kind of rough dusting equipment of air purifier |
| CN207970559U (en) * | 2018-01-23 | 2018-10-16 | 浙江晨倩助剂有限公司 | A kind of epoxy plasticizer filter device |
| CN208372761U (en) * | 2018-04-12 | 2019-01-15 | 苏州蓝畅环境科技有限公司 | A kind of activated carbon adsorption purification device convenient for adjusting purification gas wind speed |
| CN209530378U (en) * | 2019-01-14 | 2019-10-25 | 天津金鼐迪电子设备安装有限公司 | A kind of idle call air purifier that filter effect is good |
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Effective date of registration: 20201020 Address after: 252000 No. 7, Tianjin Road, hi tech Industrial Zone, Shandong, Liaocheng Applicant after: SHANDONG ZHONGYU AVIATION TECHNOLOGY DEVELOPMENT Co.,Ltd. Address before: 100089 9 / F, Qingya building, No. 8, wenhuiyuan North Road, Haidian District, Beijing Applicant before: BEIJING TONGHANG KONGTIAN INFORMATION TECHNOLOGY Research Institute |
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