CN111060441B - Device convenient to detect gauze mask quality - Google Patents
Device convenient to detect gauze mask quality Download PDFInfo
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- CN111060441B CN111060441B CN202010093959.XA CN202010093959A CN111060441B CN 111060441 B CN111060441 B CN 111060441B CN 202010093959 A CN202010093959 A CN 202010093959A CN 111060441 B CN111060441 B CN 111060441B
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- 238000001514 detection method Methods 0.000 claims abstract description 17
- 230000005540 biological transmission Effects 0.000 claims abstract description 14
- 238000009434 installation Methods 0.000 claims abstract description 12
- 239000000523 sample Substances 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims 1
- 230000035699 permeability Effects 0.000 abstract description 3
- 230000029058 respiratory gaseous exchange Effects 0.000 abstract description 3
- 230000007246 mechanism Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 3
- 208000035473 Communicable disease Diseases 0.000 description 1
- 241000700605 Viruses Species 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 208000015181 infectious disease Diseases 0.000 description 1
- 230000002458 infectious effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/08—Investigating permeability, pore-volume, or surface area of porous materials
- G01N15/0806—Details, e.g. sample holders, mounting samples for testing
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- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Respiratory Apparatuses And Protective Means (AREA)
Abstract
The invention discloses a device convenient for detecting the quality of a mask, which comprises a base, wherein a left transmission cavity, a driving cavity and a right transmission cavity are respectively arranged in the bottom of the base from left to right, the left side of the base is provided with a pneumatic control cavity, the right side of the pneumatic control cavity is provided with a vacuum pneumatic cavity, the right side of the vacuum pneumatic cavity is provided with a humidity detection cavity, the right side of the humidity detection cavity is provided with a mask installation area, a capillary line area is arranged on the right side of the mask mounting area, an impeller cavity is arranged on the right side of the capillary line area, a driving motor is arranged in the driving cavity, a first bevel gear is fixedly arranged on the power output shaft of the driving motor, a fixed block is arranged in the base, the two fixed blocks are fixedly arranged on the inner top wall of the base from left to right, the device has simple mechanism and convenient use, through the cooperation of wind wheel and mechanical structure, realized tentatively detecting gauze mask breathing permeability and protectiveness.
Description
Technical Field
The invention relates to the technical field of medical treatment, in particular to a device convenient for detecting the quality of a mask.
Background
In the current life, the mask becomes a first-step sanitary appliance for blocking harmful gas and enabling spray to enter and exit from the mouth and the nose, particularly, when infectious diseases, infectious viruses and the like are exploded in a large scale, the mask can better reflect the filtering effect on air, but most unqualified mask types are airtight and have no protection effect, so that the quality detection of the mask is a serious link.
Disclosure of Invention
The technical problem is as follows:
in the aspect of mask quality, many unqualified masks mislead common people due to the fact that the masks are not breathable and do not have a protection effect, and the quality detection of the masks is a critical link.
In order to solve the problems, the embodiment designs a device convenient for detecting the quality of a mask, which comprises a base, wherein a left transmission cavity, a driving cavity and a right transmission cavity are respectively arranged in the bottom of the base from left to right, a pneumatic control cavity is arranged on the left side of the base, a vacuum pneumatic cavity is arranged on the right side of the pneumatic control cavity, a humidity detection cavity is arranged on the right side of the vacuum pneumatic cavity, a mask installation area is arranged on the right side of the humidity detection cavity, a capillary area is arranged on the right side of the mask installation area, an impeller cavity is arranged on the right side of the capillary area, a driving motor is arranged in the driving cavity, a first bevel gear is fixedly arranged on a power output shaft of the driving motor, fixed blocks are arranged in the base, the fixed blocks are fixedly arranged on the top wall in the base from left to right, rotating shafts are arranged on the left side, the second bevel gear is meshed with the first bevel gear, a first clutch device is arranged at one end of the rotating shaft, which is far away from the driving motor, a first connecting shaft is rotatably arranged at the left end of the base, a third bevel gear is fixedly arranged on the first connecting shaft, the right end of the first connecting shaft is fixedly matched with the first clutch device, the first clutch device comprises a clutch block fixedly arranged at the right end of the first connecting shaft, an electromagnet cavity is fixedly arranged at the right end of the clutch block, an electromagnet is fixedly arranged in the electromagnet cavity, the left end of the rotating shaft is fixedly arranged on a disc, which is far away from one end of the rotating shaft, the upper end and the lower end of the disc are correspondingly provided with clamping blocks, the clamping blocks are T-shaped, springs are matched at the left end and the right end of the clamping blocks, permanent magnets are fixedly arranged at the tops of the clamping blocks, and, and a fourth bevel gear is fixedly mounted on the second connecting shaft, a second clutch device is fixedly matched with the left end of the second connecting shaft, and the second clutch device and the first clutch device are identical in structure and are oppositely mounted.
Furthermore, a fifth bevel gear is arranged in the left transmission cavity and meshed with the third bevel gear, a right belt pulley is fixedly matched on the upper end face of the fifth bevel gear, a first belt is arranged on the working face of the right belt pulley in a matched mode, a rotating rod is fixedly installed on the upper end face of the right belt pulley, and the rotating rod is rotatably installed on the inner top wall of the base.
Furthermore, a sixth bevel gear is arranged in the right transmission cavity and meshed with the fourth bevel gear, a lower belt pulley is fixedly mounted on the rear end face of the sixth bevel gear, and the rear end face of the lower belt pulley is rotatably mounted on the rear end wall of the base.
Further, a rotating shaft is arranged in the pneumatic control cavity, the rotating shaft is rotatably mounted at the bottom end of the base, a left belt pulley is fixedly mounted on the rotating shaft, the left belt pulley is matched with the right belt pulley through a first belt, a seventh bevel gear is fixedly mounted at the top end of the rotating shaft, a second connecting shaft is rotatably mounted on the wall of the right end of the pneumatic control cavity, the left end of the second connecting shaft extends into the pneumatic control cavity, an eighth bevel gear is fixedly mounted on the left end face of the second connecting shaft, the eighth bevel gear is meshed with the seventh bevel gear, the right side of the second connecting shaft extends into the vacuum pneumatic cavity, a fan wheel is fixedly mounted at the right end of the second connecting shaft, an air pressure detection probe is fixedly mounted at the top end of the vacuum pneumatic cavity, an air outlet and an air inlet are arranged on the right end face of the vacuum pneumatic cavity from top to bottom, and the left end of the air inlet is hinged with an air inlet plate.
Further, gauze mask installing zone left side is equipped with gauze mask installation mould, the gas port has been seted up on gauze mask installation mould right side, the hangers is installed to both sides around the gauze mask installation mould, the gauze mask installing zone with the humidity detects the chamber and passes through the gas port communicates with each other, humidity detects intracavity fixed mounting has the moisture detector, gauze mask installing zone bottom is equipped with the basin.
Furthermore, the impeller cavity is internally provided with a support rod, the support rod is rotatably provided with a third connecting rod, the rear end of the third connecting rod is fixedly provided with an upper belt pulley, the upper belt pulley is matched with the lower belt pulley through a second belt, the front end of the third connecting rod is fixedly provided with an impeller shaft, the periphery of the impeller shaft is fixedly provided with fan blades, a capillary device is arranged in the capillary line area from top to bottom, and air outlet grooves are formed in the capillary line area from left to right.
The invention has the beneficial effects that: this device mechanism is simple, uses portably, through wind wheel and mechanical structure's cooperation, has realized tentatively detecting gauze mask breathing permeability and protectiveness.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic view of the overall structure of a device for conveniently detecting the quality of a mask according to the present invention;
FIG. 2 is an enlarged schematic view of "A" in FIG. 1;
FIG. 3 is an enlarged schematic view of "B" in FIG. 2;
FIG. 4 is a schematic view of the structure in the direction "C-C" of FIG. 1;
FIG. 5 is a schematic view of the structure in the direction "D-D" of FIG. 1;
Detailed Description
The invention will now be described in detail with reference to fig. 1-5, for ease of description, the orientations described below will now be 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.
The invention relates to a device convenient for detecting the quality of a mask, which is mainly used for assisting a wheelchair in climbing stairs, and the invention is further explained by combining the attached drawings of the invention:
the device convenient for detecting the quality of the mask comprises a base 11, wherein a left transmission cavity 22, a driving cavity 15 and a right transmission cavity 13 are respectively arranged in the bottom of the base 11 from left to right, a pneumatic control cavity 33 is arranged on the left side of the base 11, a vacuum pneumatic cavity 75 is arranged on the right side of the pneumatic control cavity 33, a humidity detection cavity 42 is arranged on the right side of the vacuum pneumatic cavity 75, a mask mounting area 44 is arranged on the right side of the humidity detection cavity 42, a capillary line area 48 is arranged on the right side of the mask mounting area 44, an impeller cavity 52 is arranged on the right side of the capillary line area 48, a driving motor 17 is arranged in the driving cavity 15, a first bevel gear 16 is fixedly arranged on a power output shaft of the driving motor 17, two fixing blocks 76 are arranged in the base 11 and fixedly arranged on the top wall in the base 11 from left to right, and a rotating shaft 19 is rotatably arranged on the, the rotating shaft 19 is fixedly provided with a second bevel gear 18, the second bevel gear 18 is engaged with the first bevel gear 17, one end of the rotating shaft 19, which is far away from the driving motor 17, is provided with a first clutch device 20, the left end of the base 11 is rotatably provided with a first connecting shaft 24, the first connecting shaft 24 is fixedly provided with a third bevel gear 23, the right end of the first connecting shaft 24 is fixedly matched with the first clutch device 20, the first clutch device 20 comprises a clutch block 59 fixedly arranged at the right end of the first connecting shaft 24, the right end of the clutch block 59 is fixedly provided with an electromagnet cavity 63 in a centering position, an electromagnet 62 is fixedly arranged in the electromagnet cavity 63, the left end of the rotating shaft 19 is fixedly arranged on a disc 61 which is far away from one end of the rotating shaft 19, the upper end and the lower end of the disc 61 are correspondingly provided with clamping blocks 60, and the clamping blocks 60, and the left and right ends of the clamping block 60 are matched with springs 64, the top of the clamping block 60 is fixedly provided with a permanent magnet 66, the right end of the base 11 is rotatably provided with a second connecting shaft 57, the second connecting shaft 57 is fixedly provided with a fourth bevel gear 12, the left end of the second connecting shaft 57 is fixedly matched with a second clutch device 14, and the second clutch device 14 and the first clutch device 20 have the same structure and are oppositely arranged.
Beneficially, a fifth bevel gear 21 is arranged in the left transmission cavity 22, the fifth bevel gear 21 is meshed with the third bevel gear 23, a right belt pulley 28 is fixedly matched on the upper end face of the fifth bevel gear, a first belt 27 is matched on the working face of the right belt pulley 28, a rotating rod 29 is fixedly installed on the upper end face of the right belt pulley 28, and the rotating rod 29 is rotatably installed on the inner top wall of the base 11.
Beneficially, a sixth bevel gear 80 is arranged in the right transmission cavity 13, the sixth bevel gear 80 is engaged with the fourth bevel gear 12, a lower belt pulley 56 is fixedly mounted on the rear end face of the sixth bevel gear 80, and the rear end face of the lower belt pulley is rotatably mounted on the rear end wall of the base 11.
Beneficially, a rotating shaft 30 is arranged in the pneumatic control cavity 33, the rotating shaft 30 is rotatably mounted at the bottom end of the base 11, a left belt pulley 26 is fixedly mounted on the rotating shaft 30, the left belt pulley 26 is matched with the right belt pulley 28 through a first belt 27, a seventh bevel gear 31 is fixedly mounted at the top end of the rotating shaft 30, a second connecting shaft 34 is rotatably mounted on the right end wall of the pneumatic control cavity 33, the left end of the second connecting shaft 34 extends into the pneumatic control cavity 33, an eighth bevel gear 32 is fixedly mounted on the left end face of the second connecting shaft 34, the eighth bevel gear 32 is meshed with the seventh bevel gear 31, the right side of the second connecting shaft 34 extends into the vacuum pneumatic cavity 75, a fan wheel 35 is fixedly mounted at the right end of the second connecting shaft 34, an air pressure detection probe 36 is fixedly mounted at the top end of the vacuum pneumatic cavity 75, an air outlet 39 and an air inlet 73 are arranged on the right end face of the vacuum pneumatic cavity, the air outlet right end is hinged with an air outlet plate 74, and the air inlet left end is hinged with an air inlet plate 37.
Beneficially, gauze mask installing zone 44 left side is equipped with gauze mask installation mould 41, gas port 69 has been seted up on gauze mask installation mould 41 right side, hangers 68 are installed to gauze mask installation mould 41 front and back both sides, gauze mask installing zone 44 with humidity detects chamber 42 and passes through gas port 69 communicates with each other, humidity detects chamber 42 internal fixation and installs moisture detector 43, gauze mask installing zone 44 bottom is equipped with basin 54, gauze mask installing zone 44 top articulates there is apron 40.
Beneficially, a support rod 53 is arranged in the impeller cavity 52, a third connecting rod 70 is rotatably mounted on the support rod 53, an upper belt pulley 72 is fixedly mounted at the rear end of the third connecting rod 70, the upper belt pulley 72 and the lower belt pulley 80 are mounted in a matched manner through a second belt 71, an impeller shaft 73 is fixedly mounted at the front end of the third connecting rod 70, fan blades 50 are fixedly mounted around the impeller shaft 73, the capillary devices 46 are mounted up and down in the capillary area 48, and air outlet grooves 49 are formed in the left and right sides of the capillary area 48.
The following will describe in detail the use steps of the device for detecting the quality of a mask in the present document with reference to fig. 1 to 5:
in the initial state, no current passes through the driving motor 17, the air pressure detecting probe 36 detects a value close to 0, that is, the vacuum pneumatic cavity 75 is in a nearly vacuum state, the air outlet plate 74 and the air inlet plate 37 are respectively firmly blocked with the air outlet 39 and the air inlet 38, and the capillary device 46 soaks the water in the water tank 54 into the capillary device 46 from bottom to top by capillary action.
When the quality of the mask is detected, the cover plate 40 is opened, the mask is installed according to the shape of the mask installation mold 41 and the hanging lugs 68, after the mask is installed according to the standard when a human simulator wears the mask, the driving motor 17 is started, meanwhile, the electromagnet in the second clutch device 14 loses current, the clamping block 60 clamps the disc through the spring 64, the impeller shaft 73 rotates through the meshing of the fourth bevel gear 12 and the sixth bevel gear 80 and the matching rotation of the lower belt pulley 56 and the belt of the upper belt pulley 72 to generate wind power and fan water drops on the capillary device 46 at the outer end of the mask, after a period of time, the first clutch device 20 drives the third bevel gear 23 to rotate through the spring, the third bevel gear 23 drives the fifth bevel gear 21 and the right belt pulley 28 to rotate, and the right belt pulley 28 drives the left belt pulley 26 to rotate through the first belt 27, the rotating shaft 30 rotates through the left belt pulley 26, the seventh bevel gear 31 and the eighth bevel gear 32 drive the second connecting rod 34 and the fan wheel 35 to rotate, so that the air inlet plate 37 opens air to suck air, the fan wheel is stopped to rotate after a set time, the air pressure in the inner cavity of the set time is detected through the air pressure detection probe 36 and is compared with a standard value, a dummy inhales air, whether the air permeability of the inhaled air is qualified is detected, and meanwhile, the humidity detector 43 detects whether the humidity is lower than the standard value and whether the protection performance is qualified.
If the air flow is qualified, the fan wheel 35 rotates reversely, the air inlet is closed, the air outlet plate on the right side of the air outlet 39 is opened due to the air flow, the fan wheel 35 stops rotating after a certain time, the air outlet plate 74 is closed due to no air flow, the air pressure detection probe 36 detects whether the air pressure in the cavity is close to 0 or not, the human simulator breathes air, and the breathing rate of the exhaled air is qualified or not.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (1)
1. The utility model provides a device convenient to detect gauze mask quality, includes the base, its characterized in that: a left transmission cavity, a driving cavity and a right transmission cavity are respectively arranged in the bottom of the base from left to right, a pneumatic control cavity is arranged on the left side of the base, a vacuum pneumatic cavity is arranged on the right side of the pneumatic control cavity, a humidity detection cavity is arranged on the right side of the vacuum pneumatic cavity, a mask installation area is arranged on the right side of the humidity detection cavity, a capillary area is arranged on the right side of the mask installation area, an impeller cavity is arranged on the right side of the capillary area, a driving motor is arranged in the driving cavity, a first bevel gear is fixedly installed on a power output shaft of the driving motor, a fixed block is arranged in the base, the fixed blocks are fixedly installed on the top wall in the base in two directions, a rotating shaft is rotatably installed on the left side and the right side of the fixed block in a penetrating manner, a second bevel gear is fixedly installed on the rotating shaft and meshed with the first, the left end of the base is rotatably provided with a first connecting shaft, the first connecting shaft is fixedly provided with a third bevel gear, the right end of the first connecting shaft is fixedly matched with the first clutch device, the first clutch device comprises a clutch block fixedly arranged at the right end of the first connecting shaft, the right end of the clutch block is fixedly provided with an electromagnet cavity towards the center position, the electromagnet cavity is fixedly provided with an electromagnet, the left end of the rotating shaft is fixedly arranged on a disc away from one end of the rotating shaft, the upper end and the lower end of the disc are correspondingly provided with clamping blocks, the clamping blocks are T-shaped, springs are matched at the left end and the right end of each clamping block, the top of each clamping block is fixedly provided with a permanent magnet, the right end of the base is rotatably provided with a second connecting shaft, the second connecting shaft is fixedly provided with a fourth bevel gear, and the left end of the second, the second clutch device and the first clutch device are identical in structure and are oppositely arranged; a fifth bevel gear is arranged in the left transmission cavity and meshed with the third bevel gear, a right belt pulley is fixedly matched on the upper end face of the fifth bevel gear, a first belt is matched on the working face of the right belt pulley, a rotating rod is fixedly installed on the upper end face of the right belt pulley, and the rotating rod is rotatably installed on the inner top wall of the base; a sixth bevel gear is arranged in the right transmission cavity and meshed with the fourth bevel gear, a lower belt pulley is fixedly mounted on the rear end face of the sixth bevel gear, and the rear end face of the lower belt pulley is rotatably mounted on the rear end wall of the base; the pneumatic control cavity is internally provided with a rotating shaft, the rotating shaft is rotatably arranged at the bottom end of the base, a left belt pulley is fixedly arranged on the rotating shaft, the left belt pulley is matched with the right belt pulley through a first belt, a seventh bevel gear is fixedly arranged at the top end of the rotating shaft, a second connecting shaft is rotatably arranged on the right end wall of the pneumatic control cavity, the left end of the second connecting shaft extends into the pneumatic control cavity, an eighth bevel gear is fixedly arranged on the left end surface of the second connecting shaft, the eighth bevel gear is meshed with the seventh bevel gear, the right side of the second connecting shaft extends into the vacuum pneumatic cavity, a fan wheel is fixedly arranged at the right end of the second connecting shaft, the top end of the vacuum pneumatic cavity is fixedly provided with an air pressure detection probe, the right end surface of the vacuum pneumatic cavity is provided with an air outlet and an air inlet from top to, the left end of the air inlet is hinged with an air inlet plate; a mask mounting die is arranged on the left side of the mask mounting area, a gas port is formed in the right side of the mask mounting die, hangers are mounted on the front side and the rear side of the mask mounting die, the mask mounting area is communicated with the humidity detection cavity through the gas port, a humidity detector is fixedly mounted in the humidity detection cavity, and a water tank is arranged at the bottom of the mask mounting area; the fan blade is characterized in that a support rod is arranged in the impeller cavity, a third connecting rod is rotatably mounted on the support rod, an upper belt pulley is fixedly mounted at the rear end of the third connecting rod, the upper belt pulley and the lower belt pulley are mounted in a matched mode through a second belt, an impeller shaft is fixedly mounted at the front end of the third connecting rod, fan blades are fixedly mounted on the periphery of the impeller shaft, a capillary device is mounted in a capillary area from top to bottom, and air outlet grooves are formed in the capillary area from left to right.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010093959.XA CN111060441B (en) | 2020-02-14 | 2020-02-14 | Device convenient to detect gauze mask quality |
| GBGB2007100.7A GB202007100D0 (en) | 2020-02-14 | 2020-05-14 | A device which is convenient for detecting the quality of a mask |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010093959.XA CN111060441B (en) | 2020-02-14 | 2020-02-14 | Device convenient to detect gauze mask quality |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111060441A CN111060441A (en) | 2020-04-24 |
| CN111060441B true CN111060441B (en) | 2020-09-11 |
Family
ID=70307642
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010093959.XA Active CN111060441B (en) | 2020-02-14 | 2020-02-14 | Device convenient to detect gauze mask quality |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN111060441B (en) |
| GB (1) | GB202007100D0 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111610098B (en) * | 2020-06-29 | 2020-12-29 | 宋芸 | Gauze mask spring rope intensity sampling detection device |
| CN112082924B (en) * | 2020-09-28 | 2021-04-06 | 江苏吉春医用器材有限公司 | Mask quality spot-check device |
| CN112590405A (en) * | 2021-01-11 | 2021-04-02 | 南京宣宁师服装有限公司 | Take gauze mask laser inkjet printer of gauze mask quality detection |
| CN116930040B (en) * | 2023-09-12 | 2023-12-01 | 南通鸿腾线带有限公司 | Mask detection mechanism |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10152454B4 (en) * | 2001-10-19 | 2005-07-28 | Msa Auer Gmbh | Regulator for compressed air respirators |
| CN1206533C (en) * | 2003-05-19 | 2005-06-15 | 天津大学 | System for testing quality of respirator and its testing method |
| CN104280193A (en) * | 2014-10-30 | 2015-01-14 | 国网河南省电力公司平顶山供电公司 | Device and method for detecting airtightness of transformer respirator |
| GB2575985B (en) * | 2018-07-30 | 2020-08-05 | Suzaleja B V | A filtering mask assembly |
| CN208925290U (en) * | 2018-08-15 | 2019-06-04 | 北京上品极致产品设计有限公司 | A kind of children's sensitivity air protection mask |
| CN109985454A (en) * | 2019-03-22 | 2019-07-09 | 杭州点钢电子商务有限公司 | A kind of air purifier |
| CN109781608B (en) * | 2019-03-26 | 2021-06-15 | 华中科技大学 | Device and method for testing filtering performance of mask |
-
2020
- 2020-02-14 CN CN202010093959.XA patent/CN111060441B/en active Active
- 2020-05-14 GB GBGB2007100.7A patent/GB202007100D0/en not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| GB202007100D0 (en) | 2020-07-01 |
| CN111060441A (en) | 2020-04-24 |
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| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Dong Shaojun Inventor after: Gao Qiang Inventor after: Li Mingming Inventor after: Fang Liusheng Inventor before: Fang Liusheng |
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| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20200819 Address after: 262600 7188 West Ring Road, Linqu Economic Development Zone, Weifang, Shandong. Applicant after: SHANDONG XINKE MARINE BIOTECHNOLOGY Co.,Ltd. Address before: Room 407, 58 Qiyuan Road, Linzi District, Zibo City, Shandong Province Applicant before: Zibo Hairui Medical Devices Co.,Ltd. |
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