CN114973595A - Intelligent reminiscences is changed to portable gauze mask suitable for old person - Google Patents
Intelligent reminiscences is changed to portable gauze mask suitable for old person Download PDFInfo
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- CN114973595A CN114973595A CN202210447914.7A CN202210447914A CN114973595A CN 114973595 A CN114973595 A CN 114973595A CN 202210447914 A CN202210447914 A CN 202210447914A CN 114973595 A CN114973595 A CN 114973595A
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- 238000001514 detection method Methods 0.000 claims abstract description 62
- 238000004891 communication Methods 0.000 claims abstract description 31
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 25
- 239000001301 oxygen Substances 0.000 claims abstract description 25
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 25
- 230000008859 change Effects 0.000 claims description 8
- 230000002159 abnormal effect Effects 0.000 claims description 7
- 230000036391 respiratory frequency Effects 0.000 claims description 7
- 239000004745 nonwoven fabric Substances 0.000 claims description 5
- 230000035565 breathing frequency Effects 0.000 claims description 4
- 230000000241 respiratory effect Effects 0.000 claims description 4
- 238000005538 encapsulation Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 3
- 210000000056 organ Anatomy 0.000 claims 2
- 230000005540 biological transmission Effects 0.000 claims 1
- 230000029058 respiratory gaseous exchange Effects 0.000 abstract description 7
- 230000009429 distress Effects 0.000 description 4
- 230000001681 protective effect Effects 0.000 description 4
- 241000700605 Viruses Species 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 241000894006 Bacteria Species 0.000 description 2
- 206010057190 Respiratory tract infections Diseases 0.000 description 1
- 230000000721 bacterilogical effect Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000004750 melt-blown nonwoven Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 210000002345 respiratory system Anatomy 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Classifications
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/02—Alarms for ensuring the safety of persons
- G08B21/04—Alarms for ensuring the safety of persons responsive to non-activity, e.g. of elderly persons
- G08B21/0438—Sensor means for detecting
- G08B21/0453—Sensor means for detecting worn on the body to detect health condition by physiological monitoring, e.g. electrocardiogram, temperature, breathing
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/18—Status alarms
- G08B21/24—Reminder alarms, e.g. anti-loss alarms
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B7/00—Signalling systems according to more than one of groups G08B3/00 - G08B6/00; Personal calling systems according to more than one of groups G08B3/00 - G08B6/00
- G08B7/06—Signalling systems according to more than one of groups G08B3/00 - G08B6/00; Personal calling systems according to more than one of groups G08B3/00 - G08B6/00 using electric transmission, e.g. involving audible and visible signalling through the use of sound and light sources
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q9/00—Arrangements in telecontrol or telemetry systems for selectively calling a substation from a main station, in which substation desired apparatus is selected for applying a control signal thereto or for obtaining measured values therefrom
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q2209/00—Arrangements in telecontrol or telemetry systems
- H04Q2209/40—Arrangements in telecontrol or telemetry systems using a wireless architecture
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q2209/00—Arrangements in telecontrol or telemetry systems
- H04Q2209/40—Arrangements in telecontrol or telemetry systems using a wireless architecture
- H04Q2209/43—Arrangements in telecontrol or telemetry systems using a wireless architecture using wireless personal area networks [WPAN], e.g. 802.15, 802.15.1, 802.15.4, Bluetooth or ZigBee
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Emergency Management (AREA)
- Business, Economics & Management (AREA)
- Biophysics (AREA)
- Computer Networks & Wireless Communication (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Cardiology (AREA)
- Heart & Thoracic Surgery (AREA)
- Physical Education & Sports Medicine (AREA)
- Physiology (AREA)
- Pulmonology (AREA)
- General Health & Medical Sciences (AREA)
- Gerontology & Geriatric Medicine (AREA)
- Respiratory Apparatuses And Protective Means (AREA)
Abstract
The invention provides a portable intelligent reminder for replacing a mask, which is suitable for the old and belongs to the technical field of intelligent equipment. The reminder comprises a reminding device and a detection device, wherein the reminding device comprises a reminding device shell, a reminding device cover body, a buzzer, a light-emitting diode, a Bluetooth module and a reminding controller; the detection device comprises a detection device shell, a detection device cover body, a timer, a humidity sensor, an oxygen sensor, a temperature sensor, a pressure sensor, a detection controller and a wireless communication module. Reminding device and detection device set up respectively in gauze mask respiration mouth department outside and inboard, and both connect fixedly each other through casing bottom magnetic ring. When the wearing time recorded by the timer or the detection data of the humidity sensor and the oxygen sensor reach set values, the detection controller transmits information to the Bluetooth module in the reminding device through the wireless communication module, and the buzzer and the light-emitting diode send out a reminding signal for replacing the mask. The mask can help the old to replace the mask in time.
Description
Technical Field
The invention relates to the technical field of intelligent equipment, in particular to a portable intelligent reminder for replacing a mask, which is suitable for the old.
Background
The mask is a hygienic product, is generally worn at the position of the mouth and the nose, plays a role in filtering breathing air, and can prevent harmful substances such as harmful gas, spray, harmful particulate matters, viruses and the like from entering respiratory tracts to a certain extent. The common disposable medical mask generally has three layers: the outermost layer is waterproof non-woven fabric which is used for isolating external liquid; the middle layer is melt-blown non-woven fabric subjected to electret treatment and is the most important barrier for blocking viruses; the innermost layer is a conventional nonwoven fabric and functions to absorb moisture and water exhaled by the wearer. At present, the medical protective mask is generally replaced for 4 hours according to recommendation, and is replaced at any time when the medical protective mask is polluted or wet. From the bacteriological point of view, researchers find that the protection efficiency of the protective mask is reduced along with the use time, the total number of bacteria inside and outside the mask is obviously increased, and the optimal use time is recommended to be 2 hours. The using time of the common disposable medical mask is not more than 8 hours, and the common disposable medical mask can not be reused after being sterilized. There is no clear standard about the wearing time of the mask, especially for the elderly, if the wearing time exceeds the service life, the protective ability of the mask is reduced, and the risk of respiratory tract infection of virus and bacteria is increased; if the replacement is frequent, the resource waste is caused.
In addition, can breathe smooth and easy degree to cause the influence when the gauze mask is worn to the old person, and the gauze mask that can automatic renew cartridge now, because of self structure reason, weight is bigger and the travelling comfort is relatively poor, and is bigger to the influence of breathing smooth and easy degree, and the filter core change is inconvenient. Simultaneously, the old person is wearing under the gauze mask condition, in case breathing state appears unusually to need in time discover, consequently need design a gauze mask change intelligent reminiscences suitable for the old person, can remind the old person to change the gauze mask, monitors the old person breathing state simultaneously to in time make the reply to unusual.
Disclosure of Invention
The invention aims to provide a portable intelligent respirator replacement reminder suitable for old people, which can remind the old people of replacing a respirator in due time and monitor the breathing state of the old people in real time.
The reminder comprises a reminding device and a detection device, wherein the reminding device and the detection device are respectively arranged on the outer side and the inner side of the mask;
the reminding device comprises a reminding device shell, a reminding device cover body, a light-emitting diode, a buzzer, a Bluetooth module and a reminding controller;
the detection device comprises a detection device shell, a detection device cover body, a switch, a humidity sensor, an oxygen sensor, a timer, a temperature sensor, a pressure sensor, a detection controller and a wireless communication module;
the bottoms of the reminding device and the detection device are both provided with magnetic rings, and the reminding device and the detection device are fixedly connected through the magnetic rings.
The light-emitting diode, the buzzer, the Bluetooth module and the reminding controller are arranged in the reminding device shell and packaged through the reminding device cover body, the light-emitting diode, the buzzer and the Bluetooth module are connected with the reminding controller, and the head of the light-emitting diode penetrates through a reserved small hole in the reminding device cover body.
Humidity transducer, oxygen sensor, time-recorder, temperature sensor, pressure sensor, detection controller and wireless communication module install in the detection device casing, through detection device lid encapsulation, humidity transducer, oxygen sensor, time-recorder, temperature sensor, pressure sensor, wireless communication module all are connected with the detection controller.
Humidity transducer detects the inboard non-woven fabrics humidity of gauze mask, and oxygen sensor detects the inboard oxygen concentration of gauze mask, and the time-recorder record gauze mask wearing time, pressure sensor detect the inside and outside pressure differential of gauze mask.
The temperature sensor records the temperature of the respiratory airflow and obtains the respiratory frequency of the human body by a heat-sensitive method.
Data detected by the humidity sensor, the oxygen detector and the pressure sensor reach a set threshold value or the wearing time recorded by the timer reaches a limit, the detection controller sends information to the Bluetooth module in the reminding device through the wireless communication module, and the reminding controller controls the light emitting diode and the buzzer to send reminding signals.
The wireless communication module is a wifi and bluetooth two-in-one module, can be connected with a mobile phone, and transmits detection data in real time.
The temperature sensor detects that the breathing frequency of the wearer is abnormal, the wireless communication module sends a signal to the mobile phone applet, and the applet pops up an emergency signal.
The Bluetooth module is only connected with the wireless communication module in a pairing mode.
The reminding device keeps dormant in a normal state, and is started only when a signal sent by the wireless communication module of the detection device is received.
Dense small holes are reserved on the reminding device cover body and the detection device cover body.
Above-mentioned, reminding device, detection device power all adopt button cell.
The technical scheme of the invention has the following beneficial effects:
in the above-mentioned scheme, be provided with humidity transducer, oxygen sensor, pressure sensor, temperature sensor and time-recorder, inboard humidity of gauze mask, oxygen concentration, respiratory resistance, respiratory frequency and wearing time when can take notes the gauze mask and wear obtain multiple data parameter for when the gauze mask is changed according to the judgement that detects data scientific and reasonable to the controller, reminds old person of wearing to change simultaneously through acoustics, optical signal. In addition, the reminder can transmit information with the mobile phone, can transmit detection data such as respiratory frequency to the mobile phone in real time, can send distress signals to a hospital emergency system and the like in time once the respiratory frequency of a wearer is abnormal, and provides guarantee for the life health of the old when going out. The invention has universality and can be suitable for various types of masks.
Drawings
Fig. 1 is a schematic view of the overall structure of a portable intelligent reminder for replacing a mask suitable for the elderly, according to the present invention;
fig. 2 is a schematic diagram of the internal structure of the portable intelligent reminder for replacing a mask, which is suitable for the elderly, according to the present invention;
fig. 3 is a schematic diagram of the internal structure of the portable intelligent respirator replacement reminder detection device suitable for the elderly of the present invention;
fig. 4 is a schematic bottom structure diagram of the portable intelligent respirator replacement reminder suitable for the elderly.
Wherein: 1-a reminder device housing; 2-detection device housing; 3-a reminding device cover body; 4-detection device cover body; 5-a light emitting diode; 6, switching; 7-a bluetooth module; 8, a buzzer; 9-a reminder controller; 10-a humidity sensor; 11-an oxygen sensor; 12-a timer; 13-a temperature sensor; 14-a pressure sensor; 15-a detection controller; 16-a wireless communication module; 17-magnetic ring.
Detailed Description
In order to make the technical problems, technical solutions and advantages of the present invention more apparent, the following detailed description is given with reference to the accompanying drawings and specific embodiments.
The invention provides a portable intelligent respirator replacement reminder suitable for the old.
As shown in fig. 1, the reminder comprises a reminding device and a detection device, wherein the reminding device and the detection device are respectively arranged on the outer side and the inner side of the mask;
as shown in fig. 2, the reminding device comprises a reminding device shell 1, a reminding device cover 3, a light emitting diode 5, a buzzer 8, a bluetooth module 7 and a reminding controller 9;
as shown in fig. 3, the detection device includes a detection device housing 2, a detection device cover 4, a switch 6, a humidity sensor 10, an oxygen sensor 11, a timer 12, a temperature sensor 13, a pressure sensor 14, a detection controller 15, and a wireless communication module 16;
as shown in fig. 4, the bottom of the reminding device and the bottom of the detecting device are both provided with a magnetic ring 17, and the reminding device and the detecting device are connected and fixed through the magnetic ring 17.
The light emitting diode 5, the buzzer 8, the Bluetooth module 7 and the reminding controller 9 are installed in the reminding device shell 1 and are packaged through the reminding device cover body 3, the light emitting diode 5, the buzzer 8 and the Bluetooth module 7 are connected with the reminding controller 9, and the head of the light emitting diode 5 penetrates through a reserved small hole in the reminding device cover body 3.
The humidity sensor 10, the oxygen sensor 11, the timer 12, the temperature sensor 13, the pressure sensor 14, the detection controller 15 and the wireless communication module 16 are installed in the detection device casing 2 and are packaged by the detection device cover 4, and the humidity sensor 10, the oxygen sensor 11, the timer 12, the temperature sensor 13, the pressure sensor 14 and the wireless communication module 16 are all connected with the detection controller 15.
The temperature sensor 13 records the temperature of the respiratory airflow, and the respiratory frequency of the human body is obtained by a heat-sensitive method.
The data detected by the humidity sensor 10, the oxygen detector 11 and the pressure sensor 14 reach a set threshold value or the wearing time recorded by the timer 12 reaches a limit, the detection controller 15 sends information to the bluetooth module 7 in the reminding device through the wireless communication module 16, and the reminding controller 9 controls the light emitting diode 5 and the buzzer 8 to send out reminding signals.
The wireless communication module 16 is a wifi and bluetooth two-in-one module, and can be connected with a mobile phone to transmit detection data in real time.
When the temperature sensor 13 detects that the breathing frequency of the wearer is abnormal, the wireless communication module 16 sends a signal to the mobile phone applet, and the applet pops up an emergency signal.
The bluetooth module 7 is connected only in pairing with the wireless communication module 16.
Dense small holes are reserved on the reminding device cover body 3 and the detection device cover body 4.
In practical application, the intelligent reminder is arranged on the inner side and the outer side of the mask, the switch 6 is turned on, the timer 12 starts to record time, when the timer 12 detects that the wearing time of the mask reaches 8 hours, the detection controller 15 transmits information to the Bluetooth module 7 through the wireless communication module 16, and the reminding controller 9 controls the light emitting diode 5 and the buzzer 8 to send out alarm signals. If the mask is taken off halfway, the switch 6 is closed, the timer 12 stops timing, the worn time is saved, the switch 6 is opened to continue timing until the limit time is reached when the mask is worn next time, and the timer 12 is cleared.
When the temperature sensor 13 detects that the breathing frequency of the wearer is abnormal, the detection controller 15 sends an abnormal signal to the mobile phone applet through the wireless communication module 16, the applet pops up a distress signal, and the distress signal can also be sent to a hospital emergency system and the like through a mobile phone network.
When the pressure sensor 14 detects that the breathing resistance of the inner side of the mask reaches a threshold value, namely the concentration of particles in the mask reaches a limit, the detection controller 15 controls the wireless communication module 16 to transmit information to the Bluetooth module 7, and the reminding controller 9 controls the light-emitting diode 5 and the buzzer 8 to send out alarm signals.
The following description is given with reference to specific embodiments.
Before the old people wear the mask, a reminding device and a detection device of the intelligent reminder are respectively and correspondingly arranged on the outer side and the inner side of the mask, the two devices are fixedly connected through a bottom magnetic ring 17, a switch 6 is turned on, the mask is worn, at the moment, a humidity sensor 10, an oxygen sensor 11, a timer 12, a temperature sensor 13 and a pressure sensor 14 start to work, a wireless communication module 16 sends detection data to a small mobile phone program every 5 minutes, and the reminding device is in a sleep mode in the period; when the humidity sensor 10, the oxygen sensor 11 or the pressure sensor 14 detect that the value reaches the threshold value or the timer 12 detects that the wearing time reaches the limit, the detection controller 15 controls the wireless communication module 16 to transmit information to the Bluetooth module 7, the reminding controller 9 controls the light-emitting diode 5 and the buzzer 8 to send out alarm signals, when the temperature sensor 13 detects that the respiratory frequency is abnormal, the wireless communication module 16 sends information to the mobile phone applet, and the applet sends a distress signal to the hospital emergency system by using a mobile phone network.
While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (10)
1. A portable intelligent reminder for replacing a mask suitable for the old is characterized by comprising a reminding device and a detection device, wherein the reminding device and the detection device are respectively arranged on the outer side and the inner side of the mask;
the reminding device comprises a reminding device shell, a reminding device cover body, a light-emitting diode, a buzzer, a Bluetooth module and a reminding controller;
the detection device comprises a detection device shell, a detection device cover body, a switch, a humidity sensor, an oxygen sensor, a timer, a temperature sensor, a pressure sensor, a detection controller and a wireless communication module;
the bottoms of the reminding device and the detection device are both provided with magnetic rings, and the reminding device and the detection device are fixedly connected through the magnetic rings.
2. The intelligent reminder suitable for old people's portable gauze mask change of claim 1, characterized in that emitting diode, bee calling organ, bluetooth module and warning controller install in the reminding device casing, through the encapsulation of reminding device lid, emitting diode, bee calling organ, bluetooth module are connected with warning controller, and the emitting diode head passes the reservation aperture on the reminding device lid.
3. The intelligent reminder suitable for old people's portable gauze mask change of claim 1, characterized in that humidity transducer, oxygen sensor, time-recorder, temperature sensor, pressure sensor, detection controller and wireless communication module install in detection device casing, through detection device lid encapsulation, humidity transducer, oxygen sensor, time-recorder, temperature sensor, pressure sensor, wireless communication module all are connected with the detection controller.
4. The portable intelligent reminder for replacing the mask suitable for the elderly as claimed in claim 1, wherein the humidity sensor detects humidity of non-woven fabric inside the mask, the oxygen sensor detects oxygen concentration inside the mask, the timer records wearing time of the mask, and the pressure sensor detects pressure difference inside and outside the mask.
5. The intelligent reminder of portable gauze mask change suitable for old person of claim 1, characterized in that, temperature sensor records respiratory airflow temperature, utilizes the heat-sensitive method to obtain human respiratory frequency.
6. The portable intelligent reminder for replacing the mask suitable for the elderly as claimed in claim 1, wherein the data detected by the humidity sensor, the oxygen detector and the pressure sensor reach a set threshold or the wearing time recorded by the timer reaches a limit, the detection controller sends information to the bluetooth module in the reminder through the wireless communication module, and the reminder controller controls the light emitting diode and the buzzer to send out a reminding signal.
7. The intelligent reminiscences of portable gauze mask change suitable for old person of claim 1, characterized in that, wireless communication module is wifi bluetooth two unification module, can be connected with the cell-phone, real-time transmission detected data.
8. The intelligent reminder for replacing the mask suitable for the old people as claimed in claim 1, wherein the temperature sensor detects that the breathing frequency of the wearer is abnormal, the wireless communication module sends a signal to the small program of the mobile phone, and the small program pops up an emergency signal.
9. The portable intelligent reminder for replacing the mask suitable for the elderly as claimed in claim 1, wherein the bluetooth module is only connected with the wireless communication module in a pairing manner.
10. The portable intelligent reminder for replacing the mask suitable for the elderly as claimed in claim 1, wherein dense small holes are reserved on the reminding device cover body and the detecting device cover body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210447914.7A CN114973595A (en) | 2022-04-26 | 2022-04-26 | Intelligent reminiscences is changed to portable gauze mask suitable for old person |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210447914.7A CN114973595A (en) | 2022-04-26 | 2022-04-26 | Intelligent reminiscences is changed to portable gauze mask suitable for old person |
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| Publication Number | Publication Date |
|---|---|
| CN114973595A true CN114973595A (en) | 2022-08-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210447914.7A Pending CN114973595A (en) | 2022-04-26 | 2022-04-26 | Intelligent reminiscences is changed to portable gauze mask suitable for old person |
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| CN (1) | CN114973595A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105962483A (en) * | 2016-06-23 | 2016-09-28 | 北京华创矿安科技有限公司 | Multifunctional intelligent gauze mask |
| CN107308563A (en) * | 2017-06-20 | 2017-11-03 | 北京小米移动软件有限公司 | The method and device of mouth mask, the filter core of prompting changing mouth mask |
| CN111543702A (en) * | 2020-06-04 | 2020-08-18 | 追信数字科技有限公司 | Mask time reminding device and using method thereof |
| CN213281621U (en) * | 2020-09-25 | 2021-05-28 | 广州阳普医疗科技股份有限公司 | Mask capable of prompting filter element replacement |
| CN214854509U (en) * | 2020-09-30 | 2021-11-26 | 沈义恺 | High protective mask with reminding and replacing functions |
| WO2022035265A1 (en) * | 2020-08-12 | 2022-02-17 | (주)씨에스이엔엘 | Conductive mask filter, conductive mask filter module and mask having conductive mask filter module mounted thereon |
-
2022
- 2022-04-26 CN CN202210447914.7A patent/CN114973595A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105962483A (en) * | 2016-06-23 | 2016-09-28 | 北京华创矿安科技有限公司 | Multifunctional intelligent gauze mask |
| CN107308563A (en) * | 2017-06-20 | 2017-11-03 | 北京小米移动软件有限公司 | The method and device of mouth mask, the filter core of prompting changing mouth mask |
| CN111543702A (en) * | 2020-06-04 | 2020-08-18 | 追信数字科技有限公司 | Mask time reminding device and using method thereof |
| WO2022035265A1 (en) * | 2020-08-12 | 2022-02-17 | (주)씨에스이엔엘 | Conductive mask filter, conductive mask filter module and mask having conductive mask filter module mounted thereon |
| CN213281621U (en) * | 2020-09-25 | 2021-05-28 | 广州阳普医疗科技股份有限公司 | Mask capable of prompting filter element replacement |
| CN214854509U (en) * | 2020-09-30 | 2021-11-26 | 沈义恺 | High protective mask with reminding and replacing functions |
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Application publication date: 20220830 |