CN112050337A - Ventilating duct convenient for replacing electronic dust removal device and ultraviolet germicidal lamp - Google Patents
Ventilating duct convenient for replacing electronic dust removal device and ultraviolet germicidal lamp Download PDFInfo
- Publication number
- CN112050337A CN112050337A CN202010938882.1A CN202010938882A CN112050337A CN 112050337 A CN112050337 A CN 112050337A CN 202010938882 A CN202010938882 A CN 202010938882A CN 112050337 A CN112050337 A CN 112050337A
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- Prior art keywords
- groove
- locking
- germicidal lamp
- ultraviolet germicidal
- electronic dust
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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
- F24F7/04—Ventilation with ducting systems, e.g. by double walls; with natural circulation
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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
- F24F13/02—Ducting arrangements
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
Abstract
The application relates to an air duct convenient for replacing an electronic dust removal device and an ultraviolet germicidal lamp, which comprises an air duct, and the electronic dust removal device and the ultraviolet germicidal lamp which are mutually connected with the air duct, wherein a positioning frame is integrally arranged on the outer side wall of the air duct and positioned at a pipe orifice, an installation frame is integrally arranged on the outer side wall of the electronic dust removal device, an installation rod is fixedly arranged on one side of the installation frame towards the direction of the positioning frame, a positioning hole for the installation rod to be inserted is formed in the outer side wall of the positioning frame, a sliding groove is formed in the inner side wall of the positioning hole, a locking rod is arranged in the sliding groove in a sliding manner, and a locking groove for the locking rod to be inserted is formed in; this application has and is convenient for carry out quick assembly disassembly to dust collector, and the convenient to use person overhauls the effect.
Description
Technical Field
The utility model belongs to the technical field of the building ventilation technique and specifically relates to a ventilation pipe convenient to change electron dust collector and sterilamp is related to.
Background
At present the centralized official working of enterprise is more and more, split type air conditioner has all been installed to a lot of centralized official working spaces, both make things convenient for the cost and end again, refrigeration and heating effect are good again, but the general user in big space is more, do not have the new trend again, only indoor circulation, the air quality is poor, bring very big influence to human health, for this the most air pipe can install electron dust removal purifier and ultraviolet ray light sterilizing equipment in vent department, the dust removal of disinfecting to the gas of circulating in air pipe, in order to improve indoor air quality.
When current electronic dust removal purifier is connected the installation between with air pipe, often fix a position fixedly through the bolt, when the user need overhaul the change in dust collector or the air pipe, need dismantle dust collector, operate very complicacy, waste time and energy, consequently remain to improve.
Disclosure of Invention
To the not enough of prior art existence, one of the purpose of this application provides a ventilation pipe convenient to change electron dust collector and sterilamp, and it has and is convenient for carry out quick assembly disassembly to dust collector, and convenient to use person overhauls the advantage of changing.
The above application purpose of the present application is achieved by the following technical solutions:
a ventilating duct convenient for replacing an electronic dust removal device and an ultraviolet germicidal lamp comprises a ventilating duct, and the electronic dust removal device and the ultraviolet germicidal lamp which are mutually connected with the ventilating duct, wherein a positioning frame is integrally arranged on the outer side wall of the ventilating duct and at the position of a pipe opening; the mounting frame is provided with mounting rods at four vertex angles and faces one side of the positioning frame, and positioning holes for the mounting rods to be inserted are formed in the outer side wall of the positioning frame; the utility model discloses a locking device, including installation pole, locking pole, set up on the inside wall of locating hole and the locking pole, set up the groove of sliding on the inside wall of locating hole, the inslot cunning that slides is provided with the locking pole, set up on the lateral wall of installation pole and supply the locking pole to insert the locking groove of establishing, the inside wall in locking groove and the laminating of locking pole lateral wall each other.
By adopting the technical scheme, when the electronic dust removal device is installed, the installation rod is inserted into the positioning hole, when the installation frame is attached to the outer side wall of the positioning frame, the locking rod slides in the sliding groove, the locking rod slides and is inserted into the locking groove, at the moment, the locking rod is abutted against the inner side walls of the sliding groove and the locking groove, the installation rod can be fixed in the positioning hole, the installation frame is quickly connected with the positioning frame, and the electronic dust removal device is installed at the pipe orifice of the ventilation pipeline; when needing to overhaul electronic dust collector or air pipe, the locking pole that directly slides breaks away from locking pole and locking groove each other, with installing frame and locating frame alternate segregation, can dismantle electronic dust collector fast, and convenient operation is swift, and convenient to use person overhauls the change.
The present application may be further configured in a preferred example to: the sliding groove is internally provided with a butt spring, and two ends of the butt spring respectively abut against the bottom wall of the sliding groove and the end wall of the locking rod.
Through adopting above-mentioned technical scheme, butt spring drive locking lever slides to locking groove direction to stability when having improved the locking lever and carrying out the locking to the installation pole, in order to reach the effect that improves the security.
The present application may be further configured in a preferred example to: the limiting groove that communicates each other with the groove that slides is seted up on the lateral wall of installing frame, the length direction in groove that slides sets up along the length direction in groove that slides, the fixed gag lever post that slides and offset with the spacing inslot wall that is provided with on the lateral wall of lock pole.
By adopting the technical scheme, the limiting rod is stirred to slide in the limiting groove, so that the locking rod is driven to slide in the sliding groove, and the locking rod is driven to slide conveniently; meanwhile, the limiting rod is abutted to the inner wall of the limiting groove, and the locking rod is prevented from being separated from the sliding groove.
The present application may be further configured in a preferred example to: the cross-section of locking lever is circular, set up on the inside wall of spacing groove and supply the gag lever post to insert the control slot of establishing.
Through adopting above-mentioned technical scheme, when unpicking and washing the electron dust collector, slide at the spacing inslot through stirring the gag lever post, break away from locking pole and locking groove each other, can rotate the locking pole this moment, insert the gag lever post and establish to the control flume, and the gag lever post offsets with the inside wall of control flume, and the locking pole contracts to the inslot that slides completely this moment, contracts in proper order four locking poles, has improved the convenience of operation.
The present application may be further configured in a preferred example to: the locking pole just is located its top and is provided with the spigot surface towards the one end of locking groove direction, the one end that the installation frame direction was kept away from to the installation pole is the arc form.
Through adopting above-mentioned technical scheme, when inserting the installation pole and establish to the locating hole in, the installation pole offsets with the spigot surface, and the installation pole can drive the locking lever shrink to the inslot that slides, treats that locking lever and locking groove are neat each other at ordinary times, and under the effect of butt spring, the locking lever is automatic to be inserted and to establish to the locking inslot to need not artificially to drive the locking lever and slide, improved the convenience of installation greatly.
The present application may be further configured in a preferred example to: the fixed safety rope that is provided with on air pipe's the lateral wall, the other end fixedly connected with safety of safety rope is detained, the fixed safety ring that supplies safety to detain the connection that is provided with on the lateral wall of installing frame.
By adopting the technical scheme, the safety rope is used for connecting the ventilating duct and the electronic dust removal device, so that the electronic dust removal device is prevented from falling off the ventilating duct, and the safety is improved; when the electronic dust removal device needs to be disassembled, the safety buckle and the safety ring are separated from each other.
The present application may be further configured in a preferred example to: the utility model discloses a ventilating duct, including air pipe, ultraviolet germicidal lamp, mounting hole, the lateral wall of air pipe is seted up and is supplied ultraviolet germicidal lamp and mounting seat to insert the mounting hole of establishing, the inside wall of mounting hole and the lateral wall threaded connection of mounting seat.
Through adopting above-mentioned technical scheme, insert fast through running through the mounting hole with sterilamp and establish to air pipe in to rotate the mount pad, fix the mount pad in the mounting hole, thereby realize the quick installation and the dismantlement to sterilamp, need not to dismantle electronic dust collector, can overhaul the sterilamp, further improved the convenience of operation.
The present application may be further configured in a preferred example to: the lateral wall of mount pad is gone up an organic whole and is provided with the closing plate of laminating each other with the air pipe lateral wall.
Through adopting above-mentioned technical scheme, the closing plate has increased the leakproofness between mount pad and the mounting hole, alleviates the phenomenon that the air current flows out from the mounting hole, ensures that the air current can remove dust through electron dust collector to the quality of room air has been improved.
The present application may be further configured in a preferred example to: one end of the mounting seat, which is far away from the ultraviolet germicidal lamp, is fixedly connected with a driving rod.
Through adopting above-mentioned technical scheme, grip the actuating lever and drive, be convenient for rotate the mount pad.
In summary, the present application includes at least one of the following beneficial technical effects:
1. by arranging the positioning frame, the mounting rod, the positioning hole, the sliding groove, the locking rod and the locking groove, when the electronic dust removal device is disassembled and assembled, the locking rod is controlled to slide in the sliding groove, so that the rapid disassembly and assembly between the positioning frame and the mounting frame can be realized, the electronic dust removal device can be conveniently and rapidly disassembled and assembled, the operation is convenient and rapid, and the maintenance and the replacement are convenient for a user;
2. by arranging the abutting spring and the guide surface, when the mounting rod is inserted into the positioning hole, the mounting rod abuts against the guide surface, the mounting rod can drive the locking rod to contract into the sliding groove, and when the locking rod and the locking groove are level with each other, the locking rod is automatically inserted into the locking groove under the action of the abutting spring, so that the locking rod does not need to be manually driven to slide, the mounting convenience is greatly improved, and the stability of the locking rod in the locking groove is improved;
3. through setting up mount pad and mounting hole, threaded connection between mount pad and the mounting hole runs through the mounting hole with sterilamp and inserts fast and establish to air pipe in to rotate the mount pad, fix the mount pad in the mounting hole, thereby realize the quick installation and the dismantlement to sterilamp, need not to dismantle electronic dust collector, can overhaul the sterilamp.
Drawings
Fig. 1 is a sectional view of a ventilation duct for facilitating replacement of an electric dust removing device and an ultraviolet germicidal lamp in an embodiment.
Fig. 2 is an enlarged view of a portion a in fig. 1.
Reference numerals: 1. a ventilation duct; 11. an electronic dust removal device; 12. an ultraviolet germicidal lamp; 2. a positioning frame; 21. positioning holes; 3. installing a frame; 31. mounting a rod; 311. a locking groove; 4. a sliding groove; 41. a lock lever; 411. a guide surface; 5. an abutment spring; 6. a limiting groove; 61. a limiting rod; 62. a control slot; 7. a safety cord; 71. a safety buckle; 72. a safety ring; 8. a mounting seat; 81. mounting holes; 82. a sealing plate; 9. a drive rod.
Detailed Description
The present application is described in further detail below with reference to the attached drawings.
Referring to fig. 1 and 2, for the ventilating duct convenient for replacing the electronic dust removing device and the ultraviolet germicidal lamp disclosed by the application, the ventilating duct comprises a ventilating duct 1, and an electronic dust removing device 11 and an ultraviolet germicidal lamp 12 which are connected with the ventilating duct 1, wherein the electronic dust removing device 11 is used for high-pressure dust removal, the ultraviolet germicidal lamp 12 is used for sterilization, a positioning frame 2 is integrally arranged on the outer side wall of the ventilating duct 1 and positioned at a pipe orifice, a mounting frame 3 is integrally arranged on the outer side wall of the electronic dust removing device 11, the outer side wall of the mounting frame 3 is mutually attached to the outer side wall of the positioning frame 2, and the widths of the positioning frame 2 and the; installing frame 3 just is located its four apex angle departments an organic whole and is provided with installation pole 31 towards one side of 2 directions of locating frame, and the length direction and the installing frame 3 mutually perpendicular of installation pole 31 offer on the lateral wall of locating frame 2 and supply installation pole 31 to insert the locating hole 21 of establishing, and the inside wall of locating hole 21 is laminated each other with the lateral wall of installation pole 31.
Referring to fig. 2, a sliding groove 4 is formed in the inner side wall of the positioning hole 21, the length direction of the sliding groove 4 is arranged along the length direction of the positioning frame 2, a locking rod 41 is slidably arranged in the sliding groove 4, the outer side wall of the locking rod 41 is attached to the inner wall of the sliding groove 4, a locking groove 311 into which the locking rod 41 is inserted is formed in the outer side wall of the mounting rod 31, and the inner side wall of the locking groove 311 is attached to the outer side wall of the locking rod 41; when carrying out the dismouting between electronic dust collector 11 and air pipe 1, drive locking pole 41 slides in sliding groove 4, mutually supports locking pole 41 and locking groove 311, realizes the quick assembly disassembly to electronic dust collector 11 to be convenient for overhaul.
Referring to fig. 2, the abutting spring 5 is arranged in the sliding groove 4, two ends of the abutting spring respectively abut against the bottom wall of the sliding groove 4 and the end wall of the locking rod 41, the abutting spring 5 drives the locking rod 41 to slide towards the locking groove 311, and stability of the locking rod 41 in locking the installation rod 31 is improved; locking pole 41 is provided with spigot surface 411 towards the one end of locking groove 311 direction and is located its top, the one end that installing frame 3 direction was kept away from to installation pole 31 is the arc form, when installing fixedly installing frame 3, insert installation pole 31 and establish to locating hole 21 in, installation pole 31 offsets with spigot surface 411, drive locking pole 41 shrink to sliding groove 4 in, treat that locking pole 41 and locking groove 311 are neat each other at ordinary times, under the effect of butt spring 5, locking pole 41 is automatic to be inserted and establish to locking groove 311 in, thereby need not artificially to drive locking pole 41 and slide, the convenience of installation has been improved greatly.
Referring to fig. 2, a limiting groove 6 communicated with the sliding groove 4 is formed in the outer side wall of the mounting frame 3, the length direction of the limiting groove 6 is arranged along the length direction of the sliding groove 4, a limiting rod 61 which slides in the limiting groove 6 and abuts against the inner wall of the limiting groove 6 is fixedly arranged on the outer side wall of the locking rod 41, and the locking rod 41 is driven to slide in the sliding groove 4 by shifting the limiting rod 61 to slide in the limiting groove 6, so that the locking rod 41 is driven to slide conveniently; the cross-section of locking lever 41 is circular, locking lever 41 can slide along its circumferencial direction in sliding groove 4, offer on the inside wall of spacing groove 6 and supply gag lever post 61 to insert the control groove 62 of establishing, the length direction of control groove 62 and the length direction mutually perpendicular of spacing groove 6, when dismantling installing frame 3, stir gag lever post 61, make locking groove 311 shrink, then rotate gag lever post 61, make it insert establish to the control groove 62 in, gag lever post 61 offsets with control groove 62 inner wall this moment, shrink locking groove 311 to sliding groove 4 in, and then be convenient for dismantle installing frame 3.
Referring to fig. 1, the fixed safety rope 7 that is provided with on ventilation pipe 1's the lateral wall, the one end fixedly connected with safety knot 71 that ventilation pipe 1 was kept away from to safety rope 7, safety knot 71 is prior art, welded fastening is provided with the safety ring 72 that supplies safety knot 71 to connect on the lateral wall of installing frame 3, connect between ventilation pipe 1 and the electron dust collector 11 through safety rope 7, avoid electron dust collector 11 to drop on ventilation pipe 1, the security has been improved.
Referring to fig. 1, an end portion of the ultraviolet germicidal lamp 12 is fixedly connected with a mounting base 8, a mounting hole 81 through which the ultraviolet germicidal lamp 12 and the mounting base 8 are inserted is formed in the outer side wall of the ventilation duct 1, the inner side wall of the mounting hole 81 is in threaded connection with the outer side wall of the mounting base 8, a sealing plate 82 which is mutually attached to the outer side wall of the ventilation duct 1 is integrally arranged on the outer side wall of the mounting base 8, and a driving rod 9 is fixedly connected to one end, far away from the ultraviolet germicidal lamp 12, of the mounting base 8 in; when installing sterilamp 12, through gripping actuating lever 9, run through mounting hole 81 with sterilamp 12 and insert fast and establish to air pipe 1 in, rotate mount pad 8, make closing plate 82 and air pipe 1 lateral wall laminate each other, can install sterilamp 12, when overhauing ultraviolet lamp, need not to dismantle electronic dust collector 11.
The implementation principle of the embodiment is as follows: when the electronic dust removal device 11 or the ventilation pipeline 1 needs to be overhauled, a worker pokes the limiting rod 61 and inserts the limiting rod 61 into the control groove 62, so that the locking groove 311 is contracted into the sliding groove 4, the four locking rods 41 are separated from the locking groove 311, the mounting rod 31 can slide in the positioning hole 21, the mounting frame 3 and the positioning frame 2 are quickly separated, and the electronic dust removal device 11 is convenient to disassemble; waiting to overhaul when finishing need installing electronic dust collector 11, break away from gag lever post 61 and control groove 62 each other earlier, butt spring 5 drive locking pole 41 slides out sliding groove 4, insert the installation pole 31 on the installing frame 3 this moment and establish to locating hole 21 in, installation pole 31 offsets with the leading surface 411, locking pole 41 contracts, wait that locking pole 41 and locking groove 311 are neat each other at ordinary times, under butt spring 5's effect, locking pole 41 inserts automatically and establishes to locking groove 311 in, thereby it slides to need not artificial drive locking pole 41, easy dismounting is swift, the staff of being convenient for overhauls.
The embodiments of the present invention are preferred embodiments of the present application, and the scope of protection of the present application is not limited by the embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (9)
1. The utility model provides a ventilation pipe convenient to change electron dust collector and sterilamp, includes ventilation pipe (1) and with ventilation pipe (1) interconnect's electron dust collector (11) and sterilamp (12), its characterized in that: the outer side wall of the ventilation pipeline (1) and the position of the pipe orifice are integrally provided with a positioning frame (2), the outer side wall of the electronic dust removal device (11) is integrally provided with a mounting frame (3), and the outer side wall of the mounting frame (3) is mutually attached to the outer side wall of the positioning frame (2); the mounting frame (3) faces one side of the positioning frame (2) and is fixedly provided with mounting rods (31) at four vertex angles, and the outer side wall of the positioning frame (2) is provided with positioning holes (21) for the insertion of the mounting rods (31); seted up groove (4) that slide on the inside wall of locating hole (21), it is provided with locking pole (41) to slide in groove (4) that slides, set up on the lateral wall of installation pole (31) and supply locking pole (41) to insert locking groove (311) of establishing, the inside wall and the locking pole (41) lateral wall in locking groove (311) laminate each other.
2. The ventilating duct convenient for replacing the electronic dust removing device and the ultraviolet germicidal lamp as claimed in claim 1, wherein: and a butt spring (5) is arranged in the sliding groove (4), and two ends of the butt spring (5) are respectively abutted against the bottom wall of the sliding groove (4) and the end wall of the locking rod (41).
3. The ventilating duct convenient for replacing the electronic dust removing device and the ultraviolet germicidal lamp as claimed in claim 2, wherein: offer spacing groove (6) with the groove (4) intercommunication that slides on the lateral wall of installing frame (3), the length direction of spacing groove (6) sets up along the length direction of the groove (4) that slides, fixed being provided with on the lateral wall of lock lever (41) slides in spacing groove (6) and with spacing groove (6) inner wall offseted gag lever post (61).
4. The ventilating duct convenient for replacing the electronic dust removing device and the ultraviolet germicidal lamp as claimed in claim 3, wherein: the cross-section of locking pole (41) is circular, offer on the inside wall of spacing groove (6) and supply gag lever post (61) to insert control groove (62) of establishing.
5. The ventilating duct convenient for replacing the electronic dust removing device and the ultraviolet germicidal lamp as claimed in claim 2, wherein: locking pole (41) are provided with spigot surface (411) towards the one end of locking groove (311) direction and lie in its top, the one end that installation frame (3) direction was kept away from in installation pole (31) is the arc form.
6. The ventilating duct convenient for replacing the electronic dust removing device and the ultraviolet germicidal lamp as claimed in claim 5, wherein: the fixed safety rope (7) that is provided with on the lateral wall of air pipe (1), the other end fixedly connected with safety of safety rope (7) is detained (71), fixed safety ring (72) that supply safety to detain the connection that are provided with on the lateral wall of installing frame (3).
7. The ventilating duct convenient for replacing the electronic dust removing device and the ultraviolet germicidal lamp as claimed in claim 1, wherein: the utility model discloses a ventilator with ultraviolet sterilization lamp, including air pipe (1), the tip fixedly connected with mount pad (8) of ultraviolet sterilization lamp (12), set up on the lateral wall of air pipe (1) and supply ultraviolet sterilization lamp (12) and mount pad (8) to insert mounting hole (81) of establishing, the inside wall of mounting hole (81) and the lateral wall threaded connection of mount pad (8).
8. The ventilating duct convenient for replacing the electronic dust removing device and the ultraviolet germicidal lamp as claimed in claim 7, wherein: the outer side wall of the mounting seat (8) is integrally provided with a sealing plate (82) which is mutually attached to the outer side wall of the ventilation pipeline (1).
9. The ventilating duct convenient for replacing the electronic dust removing device and the ultraviolet germicidal lamp as claimed in claim 8, wherein: one end of the mounting seat (8) far away from the ultraviolet germicidal lamp (12) is fixedly connected with a driving rod (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010938882.1A CN112050337A (en) | 2020-09-09 | 2020-09-09 | Ventilating duct convenient for replacing electronic dust removal device and ultraviolet germicidal lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010938882.1A CN112050337A (en) | 2020-09-09 | 2020-09-09 | Ventilating duct convenient for replacing electronic dust removal device and ultraviolet germicidal lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112050337A true CN112050337A (en) | 2020-12-08 |
Family
ID=73610542
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010938882.1A Pending CN112050337A (en) | 2020-09-09 | 2020-09-09 | Ventilating duct convenient for replacing electronic dust removal device and ultraviolet germicidal lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112050337A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2410140A1 (en) * | 2001-10-30 | 2003-04-30 | Joseph A. Lobiondo, Sr. | Electronic air filter assembly |
| CN108787167A (en) * | 2018-07-23 | 2018-11-13 | 宁波艾普罗环保科技有限公司 | For the high-pressure electrostatic air cleaning unit in central air-conditioning guard system |
| CN110273497A (en) * | 2019-06-24 | 2019-09-24 | 江苏锦恒幕墙装饰工程有限公司 | A kind of glass curtain wall and its mounting process convenient for Fast Installation |
| CN209765700U (en) * | 2019-05-20 | 2019-12-10 | 上海明稷消防技术服务有限公司 | alarm is felt to quick assembly disassembly cigarette |
| CN111412556A (en) * | 2020-04-03 | 2020-07-14 | 魏铁军 | Air conditioning equipment with sterilizing device and control method of sterilizing treatment |
-
2020
- 2020-09-09 CN CN202010938882.1A patent/CN112050337A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2410140A1 (en) * | 2001-10-30 | 2003-04-30 | Joseph A. Lobiondo, Sr. | Electronic air filter assembly |
| CN108787167A (en) * | 2018-07-23 | 2018-11-13 | 宁波艾普罗环保科技有限公司 | For the high-pressure electrostatic air cleaning unit in central air-conditioning guard system |
| CN209765700U (en) * | 2019-05-20 | 2019-12-10 | 上海明稷消防技术服务有限公司 | alarm is felt to quick assembly disassembly cigarette |
| CN110273497A (en) * | 2019-06-24 | 2019-09-24 | 江苏锦恒幕墙装饰工程有限公司 | A kind of glass curtain wall and its mounting process convenient for Fast Installation |
| CN111412556A (en) * | 2020-04-03 | 2020-07-14 | 魏铁军 | Air conditioning equipment with sterilizing device and control method of sterilizing treatment |
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Application publication date: 20201208 |