CN213031696U

CN213031696U - Electric mask

Info

Publication number: CN213031696U
Application number: CN202020944684.1U
Authority: CN
Inventors: 李毅聪; 郭玮强; 韩哲
Original assignee: Guardian Technology Ltd
Current assignee: Guardian Technology Ltd
Priority date: 2020-05-27
Filing date: 2020-05-27
Publication date: 2021-04-23
Anticipated expiration: 2030-05-27

Abstract

The utility model discloses an electric mask, wherein, the electric mask comprises a shell, a filter plate, a fan and a timing assembly, the shell is provided with an inner cavity and an air inlet communicated with the inner cavity, the timing assembly comprises a control chip and a timer electrically connected with the control chip, the fan, the control chip and the timer are all arranged in the inner cavity, the fan is arranged right opposite to the air inlet, and the control chip is electrically connected with the fan; the filter disc is detachably connected to the air inlet, and the control chip is used for controlling the timer to time according to the closing and starting signal sent by the fan. The utility model discloses technical scheme's electronic gauze mask can improve the exactness of the timing data of cassette.

Description

Electric mask

Technical Field

The utility model relates to a gauze mask technical field, in particular to electronic gauze mask.

Background

The current electric mask adopts the filter disc to be installed in the mask shell for use, and the filter disc needs to be replaced within a period of use. However, the conventional electric mask is specially provided with a key for the filter to prompt the beginning of countdown of the service life of the filter, and if a user forgets to press the key or delays to press the key after replacing the filter, the timing data is directly inaccurate.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an electronic gauze mask aims at improving the exactness of the timing data of the cassette of electronic gauze mask.

In order to achieve the above object, the utility model provides an electric mask, the electric mask includes a housing, a filter, a fan and a timing assembly, the housing is provided with an inner cavity and an air inlet communicated with the inner cavity, the timing assembly includes a control chip and a timer electrically connected with the control chip, the fan, the control chip and the timer are all arranged in the inner cavity, and the fan is arranged right opposite to the air inlet, the control chip is electrically connected with the fan;

the filter disc is detachably connected to the air inlet, and the control chip is used for controlling the timer to time according to the closing and starting signal sent by the fan.

In one embodiment, the housing is further provided with a through hole communicated with the inner cavity, and the through hole and the air inlet are arranged at intervals; the timing assembly further comprises a microswitch arranged in the inner cavity and an elastic sheet connected with the microswitch, and one end, far away from the microswitch, of the elastic sheet penetrates through the through hole;

the filter disc is detachably connected to the outer wall of the shell and is elastically abutted to the elastic sheet, so that the elastic sheet triggers the micro switch to send signals to the control chip.

In one embodiment, the micro switch comprises:

the shell is arranged in the inner cavity, the outer wall of the shell is connected with one end of the elastic sheet, and the shell is provided with an accommodating cavity and an opening communicated with the accommodating cavity;

one end of the pressing button extends into the accommodating cavity and movably penetrates through the opening;

the transmission piece is arranged in the accommodating cavity and is connected with one end, far away from the opening, of the pressing button; and

the trigger piece is arranged in the accommodating cavity and is electrically connected with the control chip;

the elastic sheet is pressed against the press button and drives the transmission piece to move, so that the transmission piece is abutted against the trigger piece to send a signal to the control chip.

In an embodiment, a flange is arranged on the outer wall of the shell around the air inlet, a mounting groove communicated with the air inlet and the through hole is formed in the flange in a surrounding mode, and the filter sheet is accommodated and limited in the mounting groove and elastically abutted to the elastic sheet.

In one embodiment, the electric mask further comprises an indicator light arranged on the outer wall of the shell, the indicator light is arranged at an interval with the filter sheet and electrically connected with the control chip, and the indicator light is used for indicating the using state of the filter sheet to a user.

In one embodiment, the electric mask comprises two filter sheets arranged on the outer wall of the shell, the shell is further provided with an air outlet communicated with the inner cavity, and the air outlet and the air inlet are arranged at intervals; two the cassette detachably connect respectively in air inlet department with air outlet department.

In one embodiment, each of the filter sheets includes a frame and a filter layer, the frame is detachably connected to the air inlet or the air outlet, and the filter layer is disposed in the frame.

In an embodiment, the filter layer includes plant fiber filter screen, activated carbon layer, HEPA filter screen and PP sponge layer, plant fiber filter screen the activated carbon layer the HEPA filter screen reaches the PP sponge layer stacks gradually and locates the frame, just the PP sponge layer is towards user's mouth nose.

In an embodiment, the electric mask further comprises an exhaust valve disposed in the inner cavity, the exhaust valve and the timing assembly are disposed at an interval, and the exhaust valve and the air outlet are disposed opposite to each other.

In an embodiment, the electric mask further comprises a wind shielding cover, the wind shielding cover is detachably connected to the outer wall of the shell and is opposite to the air inlet, and an air inlet channel communicated with the air inlet is formed between the wind shielding cover and the shell at an interval.

The electric mask comprises a shell, a filter plate, a fan and a timing assembly, wherein the shell is provided with an inner cavity and an air inlet communicated with the inner cavity, the timing assembly comprises a control chip and a timer electrically connected with the control chip, and the control chip is electrically connected with the fan; so set up, when cassette detachably connect in the air intake, and electronic gauze mask starts the back of using, control chip can be according to the close signal of opening that the fan sent in order to control the time-recorder timing need not the manual operation button, can time when electronic gauze mask uses, improves the exactness of the timing data of the cassette of electronic gauze mask.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

Fig. 1 is a schematic structural view of an embodiment of the electric mask of the present invention;

FIG. 2 is a schematic structural view of the electric respirator of the present invention after the wind shield cover is installed;

FIG. 3 is a schematic cross-sectional view of FIG. 1;

fig. 4 is a schematic view of the connection between the elastic sheet and the micro switch of the present invention.

The reference numbers illustrate:

reference numerals	Name (R)	Reference numerals	Name (R)
				10	Shell body	43	Spring plate
10a	Inner cavity	44	Micro-switch
				10b	Air inlet	441	Outer casing
10c	Perforation
			441a	Containing cavity
11	Flange					441b	Opening of the container
		11a	Mounting groove		442			Press button
20	Filter disc					443	Transmission member
		30	Fan blower	444	Trigger piece
40	Timing assembly					50	Indicator light
		41	Control chip	60	Air exhaust valve
42	Time-meter					70	Wind shield cover
		10d	Air outlet

The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.

In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit ly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

The utility model provides an electronic gauze mask.

In the embodiment of the present invention, referring to fig. 1, fig. 3 and fig. 4, the electric mask includes a housing 10, a filter 20, a blower 30 and a timing assembly 40, wherein the housing 10 is provided with an inner cavity 10a and an air inlet 10b communicated with the inner cavity 10a, the timing assembly 40 includes a control chip 41 and a timer 42 electrically connected to the control chip 41, the blower 30, the control chip 41 and the timer 42 are all disposed in the inner cavity 10a, the blower 30 is disposed over against the air inlet 10b, and the control chip 41 is electrically connected to the blower 30; the filter 20 is detachably connected to the air inlet 10b, and the control chip 41 is configured to control the timer to time according to a turn-off signal sent by the blower.

In the present embodiment, the blower 30 of the electric respirator is used for supplying fresh air to the outside of the respirator for the user, so as to prevent the user from feeling stuffy; the fan 30 is therefore in constant motion during use; when a user replaces the filter 20 with a new one and starts to use the filter, the control chip 41 obtains a start signal of the fan 30 electrically connected with the control chip and controls the timer 42 to start timing; when the user stops using the filter, the control chip 41 acquires the turn-off signal of the fan 30 again, and controls the timer 42 to stop timing, so that the control chip 41 can calculate the use duration of the fan 30, that is, the use duration after the filter 20 is replaced can be acquired; so set up, when cassette 20 detachably connect in air intake 10b, and electronic gauze mask starts the back of using, control chip 41 can be according to the close signal of opening that fan 30 sent in order to control timer 42 timing, need not the manual operation button, consequently the condition of delaying the timing can not appear, can time when electronic gauze mask uses, improves the exactness of the timing data of cassette 20 of electronic gauze mask.

The electric mask of the technical scheme of the utility model comprises a shell 10, a filter 20, a fan 30 and a timing assembly 40, wherein the shell 10 is provided with an inner cavity 10a and an air inlet 10b communicated with the inner cavity 10a, the timing assembly 40 comprises a control chip 41 and a timer 42 electrically connected with the control chip 41, and the control chip 41 is electrically connected with the fan 30; so set up, when cassette 20 detachably connect in air intake 10b, and electronic gauze mask starts the back of using, control chip 41 can be according to the close signal of opening that fan 30 sent with control timer 42 timing need not the manual operation button, can time when electronic gauze mask uses, improves the exactness of the timing data of cassette 20 of electronic gauze mask.

In an embodiment, referring to fig. 1 and 3, the housing 10 is further provided with a through hole 10c communicating with the inner cavity 10a, and the through hole 10c is spaced from the air inlet 10 b; the timing assembly 40 further comprises a micro switch 44 arranged in the inner cavity 10a and a spring plate 43 connected with the micro switch 44, wherein one end of the spring plate 43 far away from the micro switch 44 is arranged through the through hole 10 c; the filter 20 is detachably connected to the outer wall of the housing 10, and elastically abuts against the elastic sheet 43, so that the elastic sheet 43 triggers the micro switch 44 to send a signal to the control chip.

In this embodiment, the housing 10 is provided with a through hole 10c, and the through hole 10c is used for transmitting the pressure applied by the elastic sheet 43 to the filter 20 to the micro switch 44, so that the micro switch 44 can convert the insertion motion of the filter 20 into an electrical signal, and the control chip 41 controls the timing point of the timer 42 according to the electrical signal, thereby improving the accuracy of the timing data of the filter 20 of the electric mask. Alternatively, the elastic piece 43 includes a contact portion for abutting against the inserted filter 20 and a pushing portion connected to the contact portion for abutting against an internal component of the micro switch 44 and transmitting power.

In one embodiment, referring to fig. 3 and 4, the microswitch 44 comprises a housing 441, a pressing button 442, a transmission member 443 and a trigger member 444; the shell 441 is arranged in the inner cavity 10a, the outer wall of the shell 441 is connected with one end of the elastic sheet 43, and the shell 441 is provided with an accommodating cavity 441a and an opening 441b communicated with the accommodating cavity 441 a; one end of the pressing button 442 extends into the accommodating cavity 441a and movably penetrates through the opening 441 b; the transmission member 443 is disposed in the accommodating cavity 441a and connected to an end of the pressing button 442 away from the opening 441 b; the trigger 444 is arranged in the accommodating cavity 441a, and the trigger 444 is electrically connected with the control chip 41; the elastic sheet 43 presses the pressing button 442 and drives the transmission member 443 to move, so that the transmission member 443 abuts against the trigger member 444 to send a signal to the control chip 41.

In this embodiment, the pressing button 442 movably penetrates the opening 441b, and when the elastic sheet 41 presses against the pressing button 442, the pressing button 442 moves toward the inside of the accommodating cavity 441a and drives the transmission member 443 to move in the same direction, so that the transmission member 443 and the transmission member 443 can move in the same direction

In an embodiment, referring to fig. 3 and 4, a flange 11 is disposed on an outer wall of the housing 10 around the air inlet 10b, and the flange 11 encloses and forms an installation groove 11a communicating the air inlet 10b and the through hole 10c, and the filter 20 is accommodated and limited in the installation groove 11a and elastically abuts against the elastic sheet 43.

In this embodiment, set up flange 11 through the outer wall of casing 10, utilize the mounting groove 11a that this flange 11 formed for filter 20 is when dismantling to connect in casing 10, and filter 20 is spacing in mounting groove 11a more closely, avoids unfiltered air can not follow the gap entering between filter 20 and the casing 10, and then promotes electric mask's filter effect.

In an embodiment, referring to fig. 3 and 4, the electric respirator further includes an indicator lamp 50 disposed on an outer wall of the housing 10, the indicator lamp 50 is spaced apart from the filter 20 and electrically connected to the control chip 41, and the indicator lamp 50 is used for indicating a use state of the filter 20 to a user. In this embodiment, by providing the indicator lamp 50 on the outer wall of the housing 10, when the control chip 41 receives the electrical signal sent by the trigger 444, it can be understood that the electrical signal is generated when the filter 20 is inserted into the housing and abuts against the elastic sheet 43, and thus, the control chip 41 controls the indicator lamp 50 to emit green light, which indicates that the filter 20 is in a normal use state; the control chip 41 judges the countdown life of the filter 20 according to the timing data sent by the timer 42, and when the countdown life of the filter 20 is about to be the same as the preset life, the control chip 41 controls the indicator lamp 50 to emit red light; when the filter 20 has the same service life as the preset service life, the control chip 41 also controls the indicator lamp 50 to emit red light, which prompts the user to replace the filter 20.

In an embodiment, referring to fig. 3 and 4, the electric respirator includes two filter sheets 20 disposed on an outer wall of the housing 10, the housing 10 is further provided with an air outlet 10d communicated with the inner cavity 10a, and the air outlet 10d and the air inlet 10b are disposed at an interval; the two filter sheets 20 are detachably connected to the air inlet 10b and the air outlet 10d, respectively.

In this embodiment, two filter sheets 20 are disposed on the outer wall of the housing 10, and the two filter sheets 20 are detachably connected to the air inlet 10b and the air outlet 10d, respectively; with such an arrangement, the filter 20 of the air inlet 10b can filter the air from the external environment of the electric mask, thereby protecting the safety of the user. The filter 20 of the air outlet 10d can filter the air exhaled by the user, so that the user is prevented from infecting viruses and spreading the viruses to nearby people, and the safety of the people nearby the user is protected.

In one embodiment, referring to fig. 3, each of the filter sheets 20 includes a frame detachably connected to the air inlet 10b or the air outlet 10d, and a filter layer disposed in the frame. In the embodiment, the filter sheet 20 is detachably connected to the frame, so that the filter layer is more stably connected to the housing 10 of the electric respirator and cannot easily separate from the housing 10, which may cause filter failure.

In the embodiment, the plant fiber net has the function of water resistance and is used for preventing water vapor in the external environment from entering the electric mask; the active carbon layer is used for eliminating odor, namely filtering aerosol in the outside air; HEPA filter screen filters particles with diameter more than 0.3 micron, namely, the particles filter pollutants such as smoke, dust and bacteria. The PP sponge is a sterilization layer and is used for removing bacteria in the air entering the mouth cover.

In an embodiment, referring to fig. 3 and 4, the electric respirator further includes an exhaust valve 60 disposed in the inner cavity 10a, and the exhaust valve 60 is spaced apart from the timing assembly 40 and disposed opposite to the air outlet 10 d. In this embodiment, through setting up discharge valve 60 and timing subassembly 40 interval setting, utilize discharge valve 60 to discharge the carbon dioxide of user's exhalation fast from air outlet 10d, eliminate the stifle sense of feeling that the user wore the gauze mask, can also discharge the vapor of user's exhalation to a certain extent, guarantee the interior dry and comfortable ventilation of electronic gauze mask.

In an embodiment, referring to fig. 2 and 3, the electric respirator further includes a wind blocking cover 70, the wind blocking cover 70 is detachably connected to an outer wall of the housing 10 and is opposite to the wind inlet 10b, and a wind inlet channel communicated with the wind inlet 10b is formed between the wind blocking cover 70 and the housing 10 at an interval. In this embodiment, the air inlet 10b of the housing 10 is provided with the wind-shielding cover 70, when the outside air enters the inlet hood from the air inlet 10b through the fan 30, the air inlet channel is formed between the wind-shielding cover 70 and the housing 10, so that the strong air flow can not directly flow from the air inlet 10b to the nose and mouth of the user, discomfort of the user is caused, and the use comfort of the user is further improved.

The above only is the preferred embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structure changes made by the contents of the specification and the drawings under the inventive concept of the present invention, or the direct/indirect application in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. The electric mask is characterized by comprising a shell, a filter, a fan and a timing assembly, wherein the shell is provided with an inner cavity and an air inlet communicated with the inner cavity, the timing assembly comprises a control chip and a timer electrically connected with the control chip, the fan, the control chip and the timer are all arranged in the inner cavity, the fan is arranged right opposite to the air inlet, and the control chip is electrically connected with the fan;

2. The electric respirator of claim 1, wherein the shell further comprises perforations communicating with the interior chamber, the perforations being spaced from the air inlet; the timing assembly further comprises a microswitch arranged in the inner cavity and an elastic sheet connected with the microswitch, and one end, far away from the microswitch, of the elastic sheet penetrates through the through hole;

3. The motorized mask of claim 2 wherein said microswitch comprises:

4. The electric respirator of claim 3, wherein the outer wall of the shell is provided with a flange around the air inlet, the flange encloses a mounting groove communicating the air inlet and the through hole, and the filter sheet is accommodated and limited in the mounting groove and elastically abuts against the elastic sheet.

5. The electric respirator of any one of claims 1 to 4, further comprising an indicator light disposed on an outer wall of the housing, wherein the indicator light is spaced apart from the filter and electrically connected to the control chip, and the indicator light is configured to indicate a use status of the filter to a user.

6. The electric respirator of any one of claims 1 to 4, wherein the electric respirator comprises two filter sheets arranged on the outer wall of the shell, the shell is further provided with an air outlet communicated with the inner cavity, and the air outlet and the air inlet are arranged at intervals; two the cassette detachably connect respectively in air inlet department with air outlet department.

7. The motorized mask of claim 6 wherein each of said filter panels comprises a frame and a filter, said frame being removably attached to said inlet or outlet, said filter being disposed within said frame.

8. The electric respirator of claim 7, wherein the filter layer comprises a plant fiber filter screen, an activated carbon layer, a HEPA filter screen and a PP sponge layer, the plant fiber filter screen, the activated carbon layer, the HEPA filter screen and the PP sponge layer are sequentially stacked on the frame, and the PP sponge layer faces the mouth and nose of the user.

9. The electric respirator of claim 6, further comprising an exhaust valve disposed in the interior chamber, wherein the exhaust valve is spaced apart from the timing assembly and is disposed opposite the air outlet.

10. The electric respirator according to any one of claims 1 to 4, further comprising a wind shield cover, wherein the wind shield cover is detachably connected to the outer wall of the shell and is arranged opposite to the air inlet, and an air inlet channel communicated with the air inlet is formed between the wind shield cover and the shell at an interval.