CN111228924B - Self-cleaning air purification equipment - Google Patents
Self-cleaning air purification equipment Download PDFInfo
- Publication number
- CN111228924B CN111228924B CN202010230689.2A CN202010230689A CN111228924B CN 111228924 B CN111228924 B CN 111228924B CN 202010230689 A CN202010230689 A CN 202010230689A CN 111228924 B CN111228924 B CN 111228924B
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- Prior art keywords
- cavity
- end wall
- motor
- lifting
- groove
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- 238000004140 cleaning Methods 0.000 title claims abstract description 32
- 238000004887 air purification Methods 0.000 title claims abstract description 13
- 238000000746 purification Methods 0.000 claims abstract description 9
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 38
- 229910052742 iron Inorganic materials 0.000 claims description 19
- 230000005540 biological transmission Effects 0.000 claims description 11
- 239000004575 stone Substances 0.000 claims description 2
- 230000003028 elevating effect Effects 0.000 description 4
- 239000000428 dust Substances 0.000 description 2
- 241000883990 Flabellum Species 0.000 description 1
- 238000003915 air pollution Methods 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
Images
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
- B01D46/12—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces in multiple arrangements
-
- 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
Abstract
The invention discloses self-cleaning air purification equipment, which comprises a purification box, wherein a motor cavity is arranged in the purification box, a lifting mechanism is arranged in the motor cavity, the lifting mechanism comprises a fixed frame fixed on the rear end wall of the motor cavity, a working cavity is arranged in the fixed frame, a cleaning mechanism is arranged in the working cavity, the cleaning mechanism comprises a driven shaft rotatably arranged on the upper end wall of the working cavity, a lifting cavity is arranged in the driven shaft, a rotating mechanism is arranged in the motor cavity, the rotating mechanism comprises two communicating pipes connected between the motor cavity and a suction cavity, and a motor is fixedly arranged on the lower end wall of the motor cavity. Whether the filter element can be cleaned continuously or not is not required to be checked manually, and the body health of a user is protected.
Description
Technical Field
The invention relates to the field of air purification, in particular to self-cleaning air purification equipment.
Background
People always think that the air pollution is outdoor seriously, and in fact, the influence of indoor environment of buildings such as offices, living rooms, restaurants, movie theaters, network clubs, dance halls and the like on the health of people is far larger than that of the indoor environment of the buildings, and many people are equipped with air purification equipment indoors at present, but the general air purification equipment cannot automatically clean the filter element, and users often ignore the problem, so that the air purification capacity of the air purification equipment is greatly reduced after the air purification equipment is used for a long time.
Disclosure of Invention
The invention aims to provide self-cleaning air purification equipment, which solves the problems that a user cannot remember to clean a filter element, the purification capacity of the filter element is reduced after the filter element is used for a long time, and the like.
The invention is realized by the following technical scheme.
The invention discloses self-cleaning air purification equipment which comprises a purification box, wherein a motor cavity is arranged in the purification box, a lifting mechanism is arranged in the motor cavity, the lifting mechanism comprises a fixed frame fixed on the rear end wall of the motor cavity, a working cavity is arranged in the fixed frame, the rear end wall of the working cavity is provided with two vertical grooves, a movable plate is arranged in each vertical groove in a vertically movable manner, a sensitive spring is connected between the lower end surface of the movable plate and the lower end wall of each vertical groove, a filter element is fixedly arranged on the movable plate, an iron block is fixedly arranged on the upper end surface of the movable plate, an iron-absorbing stone is fixedly arranged on the upper end wall of each vertical groove, a suction cavity with an upward opening is arranged on the upper end surface of the purification box, and the iron block can be sucked by the iron;
the cleaning mechanism is arranged in the working cavity and comprises a driven shaft rotatably arranged on the upper end wall of the working cavity, a lifting cavity is arranged in the driven shaft, a lifting plate can be arranged in the lifting cavity in a vertically moving mode, a connecting spring is connected between the upper end surface of the lifting plate and the upper end wall of the lifting cavity, a transmission rod is fixedly arranged on the lower end surface of the lifting plate, a fine wire is connected to the upper end surface of the lifting plate, collecting grooves are formed in the lower end wall of the working cavity, guide grooves are formed in the end walls close to the two collecting grooves, a connecting port is formed in the lower end wall of each guide groove, a rotating cavity is formed in the front end wall of the motor cavity, a hollow tube is fixedly arranged on the upper end wall of the rotating cavity, a vertical;
the fan blade suction mechanism is characterized in that a rotating mechanism is arranged in the motor cavity and comprises the motor cavity and two communicating pipes connected between the suction cavities, a motor is fixedly arranged on the lower end wall of the motor cavity, a motor shaft is arranged on the upper end face of the motor in a rotating mode, fan blades are fixedly arranged on the motor shaft, a connecting groove with an upward opening is formed in the upper end face of the motor shaft, after the transmission rod moves downwards, the transmission rod can be inserted into the connecting groove, and the motor shaft can drive the transmission rod to rotate.
Preferably, the working chamber rear end wall is equipped with the shifting chute, can reciprocate in the shifting chute and be equipped with the elevator, the elevator is close to the fixed clearance strip that is equipped with of terminal surface of driven shaft, the elevator up end is connected with the string, the iron plate up end is connected with the string, when the iron plate moves down, can drive the elevator rebound.
Preferably, a disc is fixedly arranged on the driven shaft, two containing grooves are arranged on the disc, a moving block is arranged in each containing groove and can move left and right, a cleaning block is fixedly arranged on the end face, far away from the driven shaft, of the moving block, a telescopic spring is connected between the end face, close to the containing grooves, of the moving block and the end wall, close to the driven shaft, of the containing groove, a cross rod is fixedly arranged on the right end wall of the rotating cavity, a collecting frame is rotatably arranged on the cross rod, a torsion spring groove with a rightward opening is arranged on the right end face of the collecting frame, a torsion spring is arranged between each torsion spring groove and the cross rod, a collecting cavity is arranged in each collecting frame, the front side of each rotating cavity is communicated with the outside, a reset groove is arranged on the left end wall of each rotating cavity, a cross shaft is rotatably arranged in each reset groove, a reset torsion spring is arranged between each cross shaft, the collection frame can rotate to drive the baffle to rotate, make the rubbish of collecting in the chamber fall to the baffle, remind personnel to clear up.
Preferably, the lower end wall of the motor cavity is provided with two communicating ports in a vertically through mode, a limiting cavity is arranged in the moving plate on the left side, a limiting block can be arranged in the limiting cavity in a rotating mode, and the lower end face of the limiting block is connected with the fine line.
Preferably, the elastic force of the sensitive spring is smaller than the suction force between the iron block and the magnet.
The invention has the beneficial effects that: this device can purify the air, and when the live time is longer after, when there is a large amount of rubbish on the filter core, can clear up the rubbish on the filter core automatically for the filter core can keep better clean quality always, does not need the manual work to examine whether the filter core can also continue to clean, has protected user's healthy.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is an enlarged view taken at A-A in FIG. 1;
FIG. 3 is an enlarged view taken along line B-B of FIG. 2;
fig. 4 is a schematic view in the direction of C-C in fig. 3.
Detailed Description
The invention will now be described in detail with reference to fig. 1-4, wherein for ease of description the orientations described hereinafter are now defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.
A self-cleaning air cleaning device as described in connection with fig. 1-4, comprising a cleaning tank 19, a motor cavity 51 is arranged in the purification box 19, a lifting mechanism 60 is arranged in the motor cavity 51, the lifting mechanism 60 comprises a fixed frame 49 fixed on the rear end wall of the motor cavity 51, a working cavity 16 is arranged in the fixed frame 49, two vertical grooves 14 are arranged on the rear end wall of the working cavity 16, a moving plate 26 is arranged in each vertical groove 14 and can move up and down, a sensitive spring 15 is connected between the lower end surface of the moving plate 26 and the lower end wall of the vertical groove 14, the filter element 18 is fixedly arranged on the moving plate 26, the iron block 25 is fixedly arranged on the upper end surface of the moving plate 26, the upper end wall of the vertical groove 14 is fixedly provided with a magnet 20, the upper end surface of the purifying box 19 is provided with a suction cavity 22 with an upward opening, the magnet 20 can suck the iron block 25, so that the iron block 25 cannot move downwards;
a cleaning mechanism 61 is arranged in the working cavity 16, the cleaning mechanism 61 comprises a driven shaft 23 which is rotatably arranged on the upper end wall of the working cavity 16, a lifting cavity 50 is arranged in the driven shaft 23, a lifting plate 28 is arranged in the lifting cavity 50 and can move up and down, a connecting spring 27 is connected between the upper end surface of the lifting plate 28 and the upper end wall of the lifting cavity 50, a transmission rod 29 is fixedly arranged on the lower end surface of the lifting plate 28, a fine wire 57 is connected on the upper end surface of the lifting plate 28, the lower end wall of the working chamber 16 is provided with collecting grooves 35, the end walls of the two collecting grooves 35 close to each other are provided with guide grooves 36, the lower end wall of the guide groove 36 is provided with a connecting port 37, the front end wall of the motor cavity 51 is provided with a rotating cavity 44, a hollow pipe 39 is fixedly arranged on the upper end wall of the rotating cavity 44, a vertical cavity 70 is vertically arranged on the hollow pipe 39 in a penetrating manner, and the vertical cavity 70 is communicated with the connecting port 37;
the utility model discloses a fan, including suction chamber 22, motor chamber 51, motor shaft 31, actuating mechanism 62, motor chamber 51 and two communicating pipes 17 of being connected between suction chamber 22 are equipped with slewing mechanism 62 in the motor chamber 51, the fixed motor 32 that is equipped with of motor chamber 51 lower end wall, the rotation of motor 32 up end is equipped with motor shaft 31, the fixed flabellum 34 that is equipped with on motor shaft 31, motor shaft 31 up end is equipped with the ascending spread groove 30 of opening, after transfer line 29 moves down, can insert in the spread groove 30, motor shaft 31 can drive transfer line 29 rotates.
Beneficially, the rear end wall of the working cavity 16 is provided with a moving groove 24, an elevating block 13 is arranged in the moving groove 24 and can move up and down, a cleaning strip 52 is fixedly arranged on the end face of the elevating block 13 close to the driven shaft 23, a string 21 is connected to the upper end face of the elevating block 13, the string 21 is connected to the upper end face of the iron block 25, and when the iron block 25 moves downwards, the elevating block 13 can be driven to move upwards.
Beneficially, a disc 53 is fixedly arranged on the driven shaft 23, two accommodating grooves 10 are arranged on the disc 53, a moving block 12 is arranged in the accommodating grooves 10 in a left-right moving manner, a cleaning block 54 is fixedly arranged on the end surface of the moving block 12 far away from the driven shaft 23, an expansion spring 11 is connected between the end surface of the moving block 12 close to the accommodating grooves 10 and the end wall of the accommodating grooves 10 close to the driven shaft 23, a cross rod 41 is fixedly arranged on the right end wall of the rotating chamber 44, a collecting frame 38 is rotatably arranged on the cross rod 41, a torsion spring groove 42 with a right opening is arranged on the right end surface of the collecting frame 38, a torsion spring 40 is arranged between the torsion spring groove 42 and the cross rod 41, a collecting chamber 43 is arranged in the collecting frame 38, the front side of the rotating chamber 44 is communicated with the outside, a reset groove 45 is arranged on the left end wall of the rotating chamber 44, a cross shaft 48 is rotatably arranged in the reset groove 45, the transverse shaft 48 is fixedly provided with a baffle plate 47, when a certain amount of garbage exists in the collection cavity 43, the collection frame 38 rotates and drives the baffle plate 47 to rotate, so that the garbage in the collection cavity 43 falls onto the baffle plate 47, and personnel are reminded of cleaning.
Beneficially, the lower end wall of the motor cavity 51 is provided with two communication ports 33 which penetrate through the upper and lower sides, a limit cavity 55 is arranged in the moving plate 26 on the left side, a limit block 56 is rotatably arranged in the limit cavity 55, and the lower end surface of the limit block 56 is connected with the thin wire 57.
Advantageously, the elastic force of the sensitive spring 15 is smaller than the suction force between the iron block 25 and the magnet 20.
In the initial state, the return torsion spring 46, the sense spring 15, and the extension spring 11 are in the normal state, and the connection spring 27 is in the compressed state.
When the dust collector works, the motor 32 is started, the motor 32 drives the motor shaft 31 to rotate, the motor shaft 31 drives the fan blades 34 to rotate, the fan blades 34 rotate to generate air flow, air enters from the suction cavity 22, passes through the filter element 18, the filter element 18 filters the air, the air enters into the motor cavity 51 through the communication pipe 17 and is finally discharged through the communication port 33, when more dust is accumulated on the filter element 18, the gravity cannot be supported by the suction force between the iron block 25 and the magnet 20, the filter element 18 drives the moving plate 26 to move downwards, the iron block 25 is separated from contact with the magnet 20, the moving plate 26 moves downwards to tighten the thin rope 21, the thin rope 21 pulls the lifting block 13 to move upwards, the lifting block 13 drives the cleaning strip 52 to move upwards, the moving plate 26 moves downwards, the thin line 57 is loosened, the connecting spring 27 pushes the lifting plate 28 to move downwards, the transmission rod 29 moves downwards along with the lifting plate 28, the transmission rod 29 is inserted into the connection groove 30, the motor shaft 31 drives the driven shaft 23 to rotate through the transmission rod 29, the driven shaft 23 rotates, the moving block 12 is far away from the driven shaft 23, the moving block 12 drives the cleaning block 54 to rotate, the cleaning block 54 rotates to clean the end face, close to the driven shaft 23, of the filter element 18, so that the garbage on the end face of the filter element 18 falls down into the collection groove 35, after cleaning is finished, the sensitive spring 15 pushes the moving plate 26 to move upwards, if cleaning is not finished, the elastic force of the sensitive spring 15 is not enough to push the moving plate 26 to move upwards, the string 21 is loosened, the lifting block 13 moves downwards, the cleaning strip 52 moves downwards along with the lifting block 13, the lifting block 13 moves downwards to clean the cleaning block 54, so that the garbage on the cleaning block 54 falls down into the collection groove 35, the garbage finally enters the collection cavity 43, and when the weight of the garbage in the collection cavity 43 reaches a certain degree, the collection frame 38 will rotate forward and drive the baffle plate 47 to rotate, so that the garbage in the collection chamber 43 falls on the baffle plate 47 to remind people of cleaning.
The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.
Claims (1)
1. The utility model provides a self-cleaning air purification equipment, includes purifying box, its characterized in that: a motor cavity is arranged in the purification box, a lifting mechanism is arranged in the motor cavity, the lifting mechanism comprises a fixed frame fixed on the rear end wall of the motor cavity, a working cavity is arranged in the fixed frame, two vertical grooves are formed in the rear end wall of the working cavity, a movable plate is arranged in each vertical groove in a vertically movable mode, a sensitive spring is connected between the lower end face of the movable plate and the lower end wall of each vertical groove, a filter element is fixedly arranged on the movable plate, an iron block is fixedly arranged on the upper end face of the movable plate, an iron-absorbing stone is fixedly arranged on the upper end wall of each vertical groove, a suction cavity with an upward opening is formed in the upper end face of the purification box, and the iron block can be sucked by the iron-absorbing; the cleaning mechanism is arranged in the working cavity and comprises a driven shaft rotatably arranged on the upper end wall of the working cavity, a lifting cavity is arranged in the driven shaft, a lifting plate can be arranged in the lifting cavity in a vertically moving mode, a connecting spring is connected between the upper end surface of the lifting plate and the upper end wall of the lifting cavity, a transmission rod is fixedly arranged on the lower end surface of the lifting plate, a fine wire is connected to the upper end surface of the lifting plate, collecting grooves are formed in the lower end wall of the working cavity, guide grooves are formed in the end walls close to the two collecting grooves, a connecting port is formed in the lower end wall of each guide groove, a rotating cavity is formed in the front end wall of the motor cavity, a hollow tube is fixedly arranged on the upper end wall of the rotating cavity, a vertical; a rotating mechanism is arranged in the motor cavity and comprises two communicating pipes connected between the motor cavity and the suction cavity, a motor is fixedly arranged on the lower end wall of the motor cavity, a motor shaft is rotatably arranged on the upper end face of the motor, fan blades are fixedly arranged on the motor shaft, a connecting groove with an upward opening is formed in the upper end face of the motor shaft, the transmission rod can be inserted into the connecting groove after moving downwards, and the motor shaft can drive the transmission rod to rotate; a moving groove is formed in the rear end wall of the working cavity, a lifting block is arranged in the moving groove and can move up and down, a cleaning strip is fixedly arranged on the end face, close to the driven shaft, of the lifting block, a thin rope is connected to the upper end face of the lifting block, the thin rope is connected to the upper end face of the iron block, and when the iron block moves downwards, the lifting block can be driven to move upwards; a disc is fixedly arranged on the driven shaft, two containing grooves are arranged on the disc, a moving block is arranged in each containing groove and can move left and right, a cleaning block is fixedly arranged on the end face, far away from the driven shaft, of the moving block, a telescopic spring is connected between the end face, close to the containing grooves, of the moving block and the end wall, close to the driven shaft, of the containing groove, a cross rod is fixedly arranged on the right end wall of the rotating cavity, a collecting frame is arranged on the cross rod in a rotating mode, a torsion spring groove with a right opening is formed in the right end face of the collecting frame, a torsion spring is arranged between the torsion spring groove and the cross rod, a collecting cavity is formed in the collecting frame, the front side of the rotating cavity is communicated with the outside, a reset groove is formed in the left end wall of the rotating cavity, a cross shaft is rotatably arranged in the reset groove, a reset torsion spring is arranged, the collecting frame can rotate and drive the baffle to rotate, so that the garbage in the collecting cavity falls onto the baffle to remind personnel of cleaning; two communicating ports are formed in the lower end wall of the motor cavity in a vertically through mode, a limiting cavity is formed in the moving plate on the left side, a limiting block can be rotatably arranged in the limiting cavity, and the lower end face of the limiting block is connected with the thin wire; the elastic force of the sensitive spring is smaller than the suction force between the iron block and the magnet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010230689.2A CN111228924B (en) | 2020-03-27 | 2020-03-27 | Self-cleaning air purification equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010230689.2A CN111228924B (en) | 2020-03-27 | 2020-03-27 | Self-cleaning air purification equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111228924A CN111228924A (en) | 2020-06-05 |
| CN111228924B true CN111228924B (en) | 2020-12-22 |
Family
ID=70878906
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010230689.2A Active CN111228924B (en) | 2020-03-27 | 2020-03-27 | Self-cleaning air purification equipment |
Country Status (1)
| Country | Link |
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| CN (1) | CN111228924B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5215562A (en) * | 1992-07-09 | 1993-06-01 | Kaiser David M | Self-cleaning filter apparatus |
| CN107246385A (en) * | 2017-07-06 | 2017-10-13 | 深圳市能源环保有限公司 | A kind of garbage incinerating power plant pump entrance is inverted the filter of filter screen |
| CN207831535U (en) * | 2017-12-13 | 2018-09-07 | 青岛康益生物科技有限公司 | A kind of self-cleaning air purifier |
| US10159990B2 (en) * | 2015-09-06 | 2018-12-25 | Harvey Industries Co., Ltd. | Dust separation apparatus and intelligent control system including the apparatus |
| CN109894743A (en) * | 2019-04-26 | 2019-06-18 | 天津宏光伟业激光科技有限公司 | A kind of laser cutting machine tool dust-extraction unit |
| CN209952446U (en) * | 2019-02-12 | 2020-01-17 | 贺州学院 | Computer self-cleaning device |
Family Cites Families (6)
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| WO2017119721A1 (en) * | 2016-01-05 | 2017-07-13 | 코웨이 주식회사 | Air purifying unit and air cleaning/ventilation device comprising same |
| CN108317603B (en) * | 2018-02-02 | 2019-08-20 | 上海科信检测科技有限公司 | A kind of strainer self-cleaning air filtering method |
| CN208059158U (en) * | 2018-04-09 | 2018-11-06 | 滁州扬子高科电器有限公司 | A kind of air purifier of easy cleaning |
| CN108692395A (en) * | 2018-05-31 | 2018-10-23 | 扬州行歌网络科技发展有限公司 | A kind of air purifier with self-cleaning function |
| CN208595652U (en) * | 2018-08-15 | 2019-03-12 | 海润新风（重庆）智能技术有限公司 | Self-clean type air-treatment unit |
| CN209985585U (en) * | 2019-03-01 | 2020-01-24 | 苏州艾尔克科技有限公司 | Self-cleaning dust collector |
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2020
- 2020-03-27 CN CN202010230689.2A patent/CN111228924B/en active Active
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| US5215562A (en) * | 1992-07-09 | 1993-06-01 | Kaiser David M | Self-cleaning filter apparatus |
| US10159990B2 (en) * | 2015-09-06 | 2018-12-25 | Harvey Industries Co., Ltd. | Dust separation apparatus and intelligent control system including the apparatus |
| CN107246385A (en) * | 2017-07-06 | 2017-10-13 | 深圳市能源环保有限公司 | A kind of garbage incinerating power plant pump entrance is inverted the filter of filter screen |
| CN207831535U (en) * | 2017-12-13 | 2018-09-07 | 青岛康益生物科技有限公司 | A kind of self-cleaning air purifier |
| CN209952446U (en) * | 2019-02-12 | 2020-01-17 | 贺州学院 | Computer self-cleaning device |
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| CN111228924A (en) | 2020-06-05 |
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Denomination of invention: A self-cleaning air purification equipment Effective date of registration: 20211227 Granted publication date: 20201222 Pledgee: Hitachi Branch of Rizhao Bank Co.,Ltd. Pledgor: Chuangkebang (Shandong) Technology Service Co.,Ltd. Registration number: Y2021980016576 |
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Effective date of registration: 20221209 Address after: 276800 Floor 2, Building 2, New Generation Information Industrial Park, Gaoxin 7th Road, Rizhao Hi tech Zone, Shandong Province Patentee after: Qingsen Fengzhigu (Shandong) Electrical Technology Co.,Ltd. Address before: Room 302, 3 / F, building A6, electronic information industrial park, Gaoxin 7th Road, Rizhao hi tech Zone, Rizhao City, Shandong Province Patentee before: Chuangkebang (Shandong) Technology Service Co.,Ltd. |
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