CN214807976U - Portable breathing device - Google Patents

Abstract

The utility model discloses a portable breathing apparatus, which relates to the technical field of air purification, and comprises a shell, a filtering device, a polymer oxygen-enriched membrane, a fan, an air pump component, a solenoid valve, a silencer, a battery and a support plate, wherein the polymer oxygen-enriched membrane is arranged on the lower end surface of the support plate, the upper end surface of the support plate is provided with a first mounting groove for mounting the filtering device, a second mounting groove for mounting the fan, a third mounting groove for mounting the air pump component, a fourth mounting groove for mounting the battery, a first mounting position for mounting the solenoid valve and a second mounting position for mounting the silencer, an air inlet channel, an air outlet channel, an air channel and an oxygen-enriched channel are arranged in the shell, the air channel and the oxygen-enriched channel are all communicated with the air inlet channel and the air outlet channel, the filtering device is arranged on the air inlet channel, the air pump component is arranged on the air channel, the polymer oxygen-enriched membrane is arranged on the oxygen-enriched channel, the battery supplies power to the various components. So set up, rational distribution space, each part compact sets up, and it is small to breathe precious.

Description

Portable breathing device

Technical Field

The utility model relates to an air purification technical field, more specifically say, relate to a portable breathing is precious.

Background

Breathe precious, portable formula air purifier promptly, small in size can purify carrier's ambient air, satisfies the daily trip demand of city resident.

However, because breathe precious function that will realize air purification, its inside filter structure and various electric elements that need not set up air-purifying need not be avoided, if the space distribution of each part is reasonable inadequately, the whole space that occupies will be big for breathe precious volume too big, be difficult for carrying, can't accomplish portably.

Therefore, how to solve the problems of large occupied space, large volume and insufficiently compact structure of the breathing apparatus in the prior art becomes an important technical problem to be solved by technical personnel in the field.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a portable breathing is precious in order to solve among the prior art breathing precious occupation space big, bulky, the not compact enough technical problem of structure. The utility model provides a plurality of technical effects that preferred technical scheme among a great deal of technical scheme can produce see the explanation below in detail.

The utility model provides a portable breathing is precious, include:

the air-conditioning device comprises a shell, wherein an air inlet channel, an air outlet channel, an air channel and an oxygen enrichment channel are arranged in the shell, and the air channel and the oxygen enrichment channel are communicated with the air inlet channel and the air outlet channel;

the filtering device, the polymer oxygen enrichment membrane used for selectively permeating oxygen-enriched ions, the fan, the air pump assembly, the electromagnetic valve, the silencer and the power supply device are all arranged in the shell, the filtering device is arranged on the air inlet channel, the air pump assembly is arranged on the air channel, the polymer oxygen enrichment membrane is arranged on the oxygen enrichment channel, and the power supply device is used for supplying electric energy to the polymer oxygen enrichment membrane, the fan, the air pump assembly and the electromagnetic valve;

a support plate arranged in the shell, the polymer oxygen-enriched film is arranged on the lower end surface of the support plate along a first direction, the upper end surface of the supporting plate is sequentially provided with a first mounting space, a second mounting space and a third mounting space, the first installation space comprises a first installation groove and a second installation groove, the first installation groove is communicated with the second installation groove and is adjacently arranged along the first direction, the filter device is arranged in the first mounting groove, the fan is arranged in the second mounting groove, the fan corresponds to the outlet end of the filter device, and the bottom of the second mounting groove is provided with a notch for air molecules to circulate so that the fan blows the air molecules to the polymer oxygen-enriched membrane, the support plate is also provided with a through hole for the outlet joint of the polymer oxygen-enriched membrane to pass through; the second installation space includes along the adjacent third mounting groove and the fourth mounting groove that sets up of second direction, first direction with second direction mutually perpendicular, air pump unit mount is in the third mounting groove, just air pump unit intercommunication filter equipment's exit end, power supply unit installs in the fourth mounting groove, third installation space includes the edge the adjacent first installation position and the second installation position that sets up of second direction, the solenoid valve is installed first installation position department, the muffler is installed second installation position department, the solenoid valve with outlet joint air pump unit homogeneous phase intercommunication, in order to control the air passageway with opening and closing of oxygen boosting passageway.

Preferably, the support plate is a rectangular structure, the first direction is a length direction of the support plate, and the second direction is a width direction of the support plate.

Preferably, along the length direction of the supporting plate, the air pump assembly and the electromagnetic valve are arranged adjacently, and the power supply device and the silencer are arranged adjacently.

Preferably, the supporting plate is further provided with a first hollow column, the first hollow column is adjacent to the second mounting groove in the width direction of the supporting plate, and the inside of the first hollow column is communicated with the first mounting groove.

Preferably, the end of the supporting plate is provided with a circuit board, the circuit board is electrically connected with the air pump assembly and the electromagnetic valve, the circuit board is provided with a gear button for controlling the rotating speed of the air pump assembly and a switch button for controlling the electromagnetic valve, and the shell is provided with a strip-shaped opening for exposing the gear button and the switch button.

Preferably, the casing includes main shell portion, protecgulum and hou gai, the both ends of main shell portion are equipped with first opening and second opening, the protecgulum with back lid sets up respectively first opening with the second opening part, just the protecgulum is equipped with a plurality of meshs, gets into in order to supply outside air inlet channel, the back lid is equipped with and is used for the intercommunication the exhaust vent of air-out passageway, the bar mouth sets up cover after.

Preferably, the main casing portion includes casing and lower casing, the both ends of going up the casing are equipped with first arc limit and second arc limit respectively, the upper end of casing is equipped with third arc limit and fourth arc limit respectively down, go up the casing with be connected through the joint structure between the casing down, first arc limit with the third arc limit is corresponding and forms jointly first opening, the second arc limit with the fourth arc limit is corresponding and forms jointly the second opening.

Preferably, the clamping structure comprises a clamping groove formed in one of the upper shell and the lower shell and a clamping block arranged on the other of the upper shell and the lower shell, and the clamping block can extend into the clamping groove.

Preferably, the air pump subassembly includes cushion, air pump, lower cushion, go up the cushion with lower cushion sets up respectively the upper end and the lower extreme of air pump, just the lower terminal surface of going up the cushion with the up end of cushion all with the surface cooperation of air pump down.

Preferably, the power supply device is a battery, and the battery is electrically connected with the polymer oxygen enrichment membrane, the fan, the air pump assembly and the electromagnetic valve.

The technical scheme provided in, portable breathing is precious includes the casing, the filter equipment of setting in the casing, polymer oxygen-enriched membrane, the fan, air pump assembly, the solenoid valve, the muffler, power supply unit and backup pad, be equipped with inlet air channel in the casing, the air-out passageway, air channel and oxygen-enriched passageway all with inlet air channel, the air-out passageway is linked together, polymer oxygen-enriched membrane is used for the selectivity to see through the oxygen boosting ion, filter equipment sets up on inlet air channel, air pump assembly sets up on air channel, the muffler is used for eliminating the operating noise of air pump assembly, polymer oxygen-enriched membrane sets up on the oxygen-enriched passageway, power supply unit is connected with other power consumption electrical component electricity, be used for to polymer oxygen-enriched membrane, the fan, air pump assembly, the solenoid valve provides the electric energy. The polymer oxygen-enriched membrane is arranged at the lower end of the supporting plate, along a first direction, a first installation space, a second installation space and a third installation space are sequentially arranged on the upper end face of the supporting plate, the first installation space comprises a first installation groove and a second installation groove, the first installation groove and the second installation groove are communicated and are adjacently arranged along the first direction, the filtering device is arranged in the first installation groove, the fan is arranged in the second installation groove, the fan corresponds to the outlet end of the filtering device, a notch for air molecule circulation is formed in the bottom of the second installation groove, so that the fan blows air molecules to the polymer oxygen-enriched membrane, and the supporting plate is further provided with a through hole for allowing an outlet connector of the polymer oxygen-enriched membrane to pass through; the second mounting space comprises a third mounting groove and a fourth mounting groove which are adjacently arranged along the second direction, the first direction is vertical to the second direction, the air pump assembly is mounted in the third mounting groove and communicated with the outlet end of the filtering device, and the power supply device is mounted in the fourth mounting groove; the third installation space comprises a first installation position and a second installation position which are adjacently arranged along the second direction, the electromagnetic valve is installed at the first installation position, the silencer is installed at the second installation position, and the electromagnetic valve is communicated with the outlet connector and the air pump assembly to control the opening and closing of the air channel and the oxygen enrichment channel.

So, offer air intake and air outlet on the casing usually, the air that gets into in the casing by the air intake at first through filter equipment's prefilter, filter the dust in the air, granule, hair etc, the fan corresponds filter equipment's exit end, the fan can blow the air molecule after filtering to the polymer oxygen-enriched membrane, the oxygen molecule that can see through the polymer oxygen-enriched membrane gets into the oxygen boosting passageway, flow out by the air outlet at last, and the air molecule that does not see through the polymer oxygen-enriched membrane flows through air pump subassembly pump to air outlet.

According to the arrangement, the positions and the spaces of the components are reasonably distributed according to the shapes and the volumes of the components through the mounting grooves and the mounting positions on the supporting plate, so that the components are compactly arranged on the supporting plate, the supporting plate is mounted inside the breathing apparatus, the components cannot waste redundant space, and the breathing apparatus is small in overall occupied space and small in size; moreover, the portable breathing device has two modes, namely an air mode and an oxygen enrichment mode, the mode and the function are not single any more, and the corresponding mode can be selected and used according to the requirement.

Drawings

In order to more clearly illustrate the embodiments of the present 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, 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 these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of the interior of a portable respirator in an embodiment of the present invention;

fig. 2 is an exploded view of the portable respirator of the embodiment of the present invention;

fig. 3 is a schematic structural diagram of a support plate in an embodiment of the present invention;

fig. 4 is a schematic structural view of another angle support plate according to an embodiment of the present invention;

fig. 5 is a schematic structural diagram of a portable breathing apparatus in an embodiment of the present invention;

fig. 6 is a schematic structural diagram of another angle portable breathing apparatus in an embodiment of the present invention.

In FIGS. 1-6:

1. an upper housing; 2. a lower housing; 3. a front cover; 301. mesh openings; 4. a rear cover; 401. a strip-shaped opening; 402. An air outlet; 5. a support plate; 501. a first mounting groove; 502. a second mounting groove; 503. a third mounting groove; 504. a fourth mounting groove; 505. a first mounting location; 506. a second mounting location; 6. a filtration device; 7. A fan; 8. a battery; 9. an air pump; 10. an upper cushion block; 11. a lower cushion block; 12. an electromagnetic valve; 13. a muffler; 14. a circuit board; 141. a gear button; 142. switching a key; 15. a polymer oxygen-enriched membrane; 151. an outlet fitting; 16. a notch; 17. a first hollow column; 18. a first opening; 19. a second opening; 20. a card slot; 21. a clamping block; 22. a charging interface; 23. sealing the cover; 24. a first mounting hole; 25. positioning a groove; 26. A second hollow column; 27. a threaded hole; 28. an "L" shaped piece; 281. a first bent portion; 282. a second bent portion; 29. and (6) opening holes.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of 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.

An object of this embodiment is to provide a portable breathing is precious, solves among the prior art breathing precious occupation space big, bulky, the compact problem inadequately of structure.

Hereinafter, embodiments will be described with reference to the drawings. The embodiments described below do not limit the scope of the invention described in the claims. Further, the entire contents of the configurations shown in the following embodiments are not limited to those necessary as a solution of the invention described in the claims.

Referring to fig. 1-6, in this embodiment, the portable breathing apparatus includes a housing, a filtering device 6 disposed in the housing, a polymer oxygen-enriched membrane 15, a fan 7, an air pump assembly, an electromagnetic valve 12, a muffler 13, a power supply device, and a supporting plate 5, wherein an air inlet channel, an air outlet channel, an air channel, and an oxygen-enriched channel are disposed in the housing, the air channel and the oxygen-enriched channel are both communicated with the air inlet channel and the air outlet channel, the polymer oxygen-enriched membrane 15 is used for selectively permeating oxygen-enriched ions, the filtering device 6 is disposed on the air inlet channel, the air pump assembly is disposed on the air channel, the muffler 13 is used for eliminating operating noise of the air pump assembly, the polymer oxygen-enriched membrane 15 is disposed on the oxygen-enriched channel, and the power supply device is electrically connected to the remaining power consumption components and is used for providing electric energy to the polymer oxygen-enriched membrane 15, the fan 7, the air pump assembly, and the electromagnetic valve 12. Optionally, the silencer 13 employs sound absorbing material to reduce noise. The polymer oxygen-enriched membrane 15 is arranged at the lower end of the support plate 5, along the first direction, the upper end surface of the support plate 5 is sequentially provided with a first installation space, a second installation space and a third installation space, the first installation space comprises a first installation groove 501 and a second installation groove 502, the first installation groove 501 is communicated with the second installation groove 502 and is adjacently arranged along the first direction, the filtering device 6 is arranged in the first installation groove 501, the fan 7 is arranged in the second installation groove 502, the fan 7 corresponds to the outlet end of the filtering device 6, and the bottom of the second installation groove 502 is provided with a notch 16 for air molecule circulation, so that the fan 7 blows air molecules to the polymer oxygen-enriched membrane 15, and the support plate 5 is also provided with a through hole for the outlet connector 151 of the polymer oxygen-enriched membrane 15 to pass through; the second installation space comprises a third installation groove 503 and a fourth installation groove 504 which are adjacently arranged along a second direction, the first direction and the second direction are mutually vertical, the air pump assembly is installed in the third installation groove 503 and is communicated with the outlet end of the filtering device 6, and the power supply device is installed in the fourth installation groove 504; the third installation space comprises a first installation position 505 and a second installation position 506 which are adjacently arranged along the second direction, the electromagnetic valve 12 is installed at the first installation position 505, the silencer 13 is installed at the second installation position 506, and the electromagnetic valve 12 is communicated with the outlet joint 151 and the air pump assembly to control the opening and closing of the air channel and the oxygen enrichment channel.

So, the air that gets into in the casing by inlet air channel's air intake at first passes through filter equipment 6 prefilter, filter the dust in the air, the granule, hair etc, fan 7 corresponds filter equipment 6's exit end, fan 7 can blow the air molecule after filtering to polymer oxygen-enriched membrane 15, the oxygen molecule that can see through polymer oxygen-enriched membrane 15 gets into the oxygen boosting passageway, flow out by the air outlet of air-out passageway at last, this is the oxygen boosting mode, and the air molecule that does not see through polymer oxygen-enriched membrane 15 flows through air channel's air pump assembly pump to air outlet, this is the air mode.

According to the arrangement, the positions and the spaces of the components are reasonably distributed according to the shapes and the volumes of the components through the mounting grooves and the mounting positions on the supporting plate 5, so that the components are compactly arranged on the supporting plate 5, the supporting plate 5 is mounted inside the breathing apparatus, redundant space cannot be wasted by the components, and the breathing apparatus is small in occupied space and small in size; moreover, the portable breathing device has two modes, namely an air mode and an oxygen enrichment mode, the mode and the function are not single any more, and the corresponding mode can be selected and used according to the requirement.

In a preferred embodiment, as shown in fig. 3 to 4, the supporting plate 5 has a rectangular structure, the first direction is set to be the length direction of the supporting plate 5, the second direction is set to be the width direction of the supporting plate 5, that is, the first mounting groove 501 and the second mounting groove 502 are adjacently arranged along the length direction of the plate body, the third mounting groove 503 and the fourth mounting groove 504 are adjacently arranged along the width direction of the plate body, and the first mounting position 505 and the second mounting position 506 are adjacently arranged along the width direction of the plate body.

Preferably, in the present embodiment, the fan 7, the battery 8 and the air pump assembly are disposed adjacent to each other along the length direction of the support plate 5, that is, the fan 7 is located at the middle position of the second installation space, the air pump assembly is disposed adjacent to the electromagnetic valve 12, and the battery 8 is disposed adjacent to the muffler 13.

As an alternative embodiment, as shown in fig. 3, the support plate 5 is further provided with a first hollow column 17, the first hollow column 17 is disposed adjacent to the second mounting groove 502 along the width direction of the support plate 5, the interior of the first hollow column 17 is communicated with the first mounting groove 501, and the first hollow column 17 is used for communicating with an air pump assembly in the fourth mounting groove 504. Thus, after the external air is primarily filtered by the filter device 6, the fan 7 blows the filtered air to the polymer oxygen enrichment membrane 15 through the notch 16, the oxygen molecules penetrating through the polymer oxygen enrichment membrane 15 flow out through the outlet connector 151, and the air molecules not penetrating through the polymer oxygen enrichment membrane 15 can enter the air pump assembly through the first hollow column 17.

As an alternative embodiment, as shown in fig. 3, a first mounting hole 24 is provided at the first mounting position 505, a second mounting hole is provided at the bottom of the solenoid valve 12, and the support plate 5 and the solenoid valve 12 are connected by a first fastening member penetrating through the first mounting hole 24 from the lower end surface of the support plate 5 and tightly fastening into the second mounting hole. Specifically, the first fastening member is configured as a screw or a bolt, and the second mounting hole at the bottom of the solenoid valve 12 may be configured as a threaded hole.

As an alternative embodiment, as shown in fig. 3, the second installation position 506 is provided with a positioning groove 25 for the lower end of the muffler 13 to extend into, specifically, a groove wall surface of the positioning groove 25 is matched with the lower end surface of the muffler 13, and the positioning groove 25 is used for limiting the position of the muffler 13. The periphery of constant head tank 25 is equipped with the hollow post 26 of a plurality of seconds, and each hollow post 26 of second all is equipped with screw hole 27, and muffler 13 is equipped with a plurality of through-holes, and the hollow post 26 of second and through-hole one-to-one run through the through-hole in proper order through the second fastener and tightly go into the screw hole 27 of the hollow post 26 of second that corresponds to realize backup pad 5 and muffler 13's connection. Optionally, the second fastener is provided as a bolt or screw. In the present embodiment, as shown in fig. 3, the number of the second hollow columns 26 is three, two second hollow columns 26 are disposed on one side of the positioning groove 25, and one second hollow column 26 is disposed on the other side.

In a preferred embodiment, as shown in fig. 3-4, the edge of the supporting plate 5 is provided with a plurality of "L" shaped parts 28, the "L" shaped parts 28 include a first bending part 281 and a second bending part 282, the first bending part 281 is perpendicular to the supporting plate 5, the second bending part 282 is parallel to the supporting plate 5, the lower end of the first bending part 281 is connected to the supporting plate 5, the upper end of the first bending part 281 is connected to the second bending part 282, the second bending part 282 is provided with an opening 29, and the second bending part 282 is bent toward a side away from the supporting plate 5. Alternatively, the opening 29 may be provided as a threaded hole.

In a preferred embodiment, the power supply device is provided as a battery 8, and the battery 8 is electrically connected with the polymer oxygen enrichment membrane 15, the fan 7, the air pump assembly and the electromagnetic valve 12.

As an alternative embodiment, as shown in fig. 6, the end of the supporting plate 5 is provided with a circuit board 14, the circuit board 14 is electrically connected to both the air pump assembly and the electromagnetic valve 12, the circuit board 14 is provided with a shift button 141 and a switch button 142, wherein the shift button 141 is used for controlling the rotation speed of the air pump assembly, the switch button 142 is used for controlling the electromagnetic valve 12, and further controlling the opening and closing of the air channel and the oxygen-enriched channel, and the housing is provided with a bar-shaped opening 401 for exposing the shift button 141 and the switch button 142, so as to facilitate manual control of the shift button 141 and the switch button 142 from the outside. Specifically, the circuit board 14 is electrically connected to the battery 8, the air pump assembly, the solenoid valve 12, and other electrical components. In a preferred embodiment, as shown in fig. 6, a charging interface 22 is disposed on the circuit board 14, the charging interface 22 is electrically connected to the battery 8, and is electrically connected to an external power supply device through the charging interface 22, so as to charge the battery 8, an opening for exposing the charging interface 22 is disposed on the rear cover 4, and the charging interface 22 and the air outlet are both provided with a sealing cover 23

According to the arrangement, the circuit is shunted through the circuit board 14, so that the battery 8 can supply power to each electric component, and meanwhile, the corresponding electric component is controlled through the keys on the circuit board 14.

In a preferred embodiment, as shown in fig. 5-6, the housing comprises a main casing, a front cover 3 and a rear cover 4, the main casing is provided with a first opening 18 and a second opening 19 at two ends, the front cover 3 and the rear cover 4 are respectively arranged at the first opening 18 and the second opening 19, the front cover 3 is provided with a plurality of meshes 301, the plurality of meshes 301 form an air inlet for external air to enter the air inlet channel through the meshes 301, the rear cover 4 is provided with an air outlet 402 for communicating with the air outlet channel, and the strip-shaped opening 401 is arranged on the rear cover 4. Alternatively, the front cover 3 and the rear cover 4 are snapped at the first opening 18 and the second opening 19, respectively.

Specifically, main shell portion includes casing 1 and casing 2 down, and the both ends of going up casing 1 are equipped with first arc limit and second arc limit respectively, and the upper end of casing 2 is equipped with third arc limit and fourth arc limit respectively down, goes up and is connected through the joint structure between casing 1 and the casing 2 down, and first arc limit and third arc limit are corresponding and form first opening 18 jointly, and second arc limit and fourth arc limit are corresponding and form second opening 19 jointly.

So set up, the components of a whole that can function independently structure of casing makes things convenient for precious dismantlement and installation of breathing.

Preferably, as shown in fig. 2, the clamping structure includes a clamping groove 20 and a clamping block 21, the clamping groove 20 is disposed on one of the upper shell 1 and the lower shell 2, the clamping block 21 is disposed on the other, and the clamping block 21 can extend into the clamping groove 20. In this embodiment, a plurality of blocks 21 are disposed at intervals on the edge of the lower shell 2, a plurality of slots 20 are disposed at intervals on the edge of the upper shell 1, and the slots 20 correspond to the blocks 21 one to one.

In the present embodiment, the upper housing 1, the lower housing 2, the front cover 3, the rear cover 4 and the latch 21 are made of plastic, and have a small deformation capability.

Specifically, the edge of backup pad 5 is equipped with the trompil, and casing 2 is equipped with the screw hole down, runs through the trompil and tightly goes into the screw hole like the screw through the fastener to realize backup pad 5 and casing 2's fixed connection down.

In a preferred embodiment, as shown in fig. 2, the air pump assembly comprises an upper cushion block 10, an air pump 9, and a lower cushion block 11, wherein the upper cushion block 10 and the lower cushion block 11 are respectively arranged above and below the air pump 9, the lower end surface of the upper cushion block 10 and the upper end surface of the lower cushion block 11 are both matched with the surface of the air pump 9, the lower cushion block 11 is located between the support plate 5 and the air pump 9, and the upper cushion block 10 is located between the air pump 9 and the housing. In this embodiment, the structure of the lower pad 11 is the same as that of the third installation groove 503, and the outer surface of the lower pad 11 is fitted to the groove wall surface of the third installation groove 503.

So set up, through last cushion 10 and lower cushion 11, carry on spacingly to air pump 9, make air pump 9 be in horizontality and rigidity, avoid air pump 9 to take place the dislocation.

It is understood that the same or similar parts in the above embodiments may be mutually referred to, and the same or similar parts in other embodiments may be referred to for the content which is not described in detail in some embodiments. The utility model provides a plurality of schemes contain the basic scheme of itself, mutual independence to restrict each other, but it also can combine each other under the condition of not conflicting, reaches a plurality of effects and realizes jointly.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (10)

1. A portable respiratory device, comprising:

the air-conditioning device comprises a shell, wherein an air inlet channel, an air outlet channel, an air channel and an oxygen enrichment channel are arranged in the shell, and the air channel and the oxygen enrichment channel are communicated with the air inlet channel and the air outlet channel;

the air purifier comprises a filtering device (6), a polymer oxygen enrichment membrane (15) for selectively permeating oxygen-enriched ions, a fan (7), an air pump assembly, an electromagnetic valve (12), a silencer (13) and a power supply device, wherein the filtering device (6) is arranged on an air inlet channel, the air pump assembly is arranged on an air channel, the polymer oxygen enrichment membrane (15) is arranged on the oxygen enrichment channel, and the power supply device is used for supplying electric energy to the polymer oxygen enrichment membrane (15), the fan (7), the air pump assembly and the electromagnetic valve (12);

the support plate (5) is arranged in the shell, the polymer oxygen-enriched membrane (15) is arranged on the lower end face of the support plate (5), a first installation space, a second installation space and a third installation space are sequentially arranged on the upper end face of the support plate (5) along a first direction, the first installation space comprises a first installation groove (501) and a second installation groove (502), the first installation groove (501) is communicated with the second installation groove (502) and is adjacently arranged along the first direction, the filtering device (6) is installed in the first installation groove (501), the fan (7) is installed in the second installation groove (502), the fan (7) corresponds to the outlet end of the filtering device (6), a notch (16) for air molecule circulation is formed in the bottom of the second installation groove (502), and therefore the fan (7) blows the air molecules to the polymer oxygen-enriched membrane (15), the support plate (5) is also provided with a through hole for the outlet joint (151) of the polymer oxygen-enriched membrane (15) to pass through; the second installation space includes a third installation groove (503) and a fourth installation groove (504) adjacently disposed in the second direction, the first direction and the second direction are perpendicular to each other, the air pump assembly is installed in the third installation groove (503), the air pump component is communicated with the outlet end of the filtering device (6), the power supply device is arranged in the fourth mounting groove (504), the third installation space comprises a first installation position (505) and a second installation position (506) which are adjacently arranged along the second direction, the solenoid valve (12) is mounted at the first mounting location (505), the muffler (13) is mounted at the second mounting location (506), the electromagnetic valve (12) is communicated with the outlet joint (151) and the air pump assembly to control the opening and closing of the air channel and the oxygen enrichment channel.

2. The portable respirator of claim 1, wherein the support plate (5) has a rectangular configuration, the first direction being the length of the support plate (5) and the second direction being the width of the support plate (5).

3. The portable respirator of claim 2, wherein the air pump assembly is disposed adjacent to the solenoid valve (12) and the power supply is disposed adjacent to the silencer (13) along the length of the support plate (5).

4. The portable respirator of claim 2, wherein the support plate (5) is further provided with a first hollow column (17), the first hollow column (17) is arranged adjacent to the second mounting groove (502) along the width direction of the support plate (5), and the interior of the first hollow column (17) is communicated with the first mounting groove (501).

5. The portable respirator of claim 1, wherein a circuit board (14) is disposed at an end of the support plate (5), the circuit board (14) is electrically connected to the air pump assembly and the electromagnetic valve (12), a shift button (141) for controlling a rotation speed of the air pump assembly and a switch button (142) for controlling the electromagnetic valve (12) are disposed on the circuit board (14), and the housing is provided with a bar-shaped opening (401) for exposing the shift button (141) and the switch button (142).

6. The portable respirator of claim 5, wherein the housing comprises a main housing part, a front cover (3) and a rear cover (4), wherein a first opening (18) and a second opening (19) are arranged at two ends of the main housing part, the front cover (3) and the rear cover (4) are respectively arranged at the first opening (18) and the second opening (19), the front cover (3) is provided with a plurality of meshes (301) for external air to enter the air inlet channel, the rear cover (4) is provided with an air outlet hole (402) for communicating the air outlet channel, and the strip-shaped opening (401) is arranged on the rear cover (4).

7. The portable respirator of claim 6, wherein the main housing comprises an upper housing (1) and a lower housing (2), wherein a first arc edge and a second arc edge are respectively arranged at two ends of the upper housing (1), a third arc edge and a fourth arc edge are respectively arranged at the upper end of the lower housing (2), the upper housing (1) and the lower housing (2) are connected through a clamping structure, the first arc edge corresponds to the third arc edge and jointly forms the first opening (18), and the second arc edge corresponds to the fourth arc edge and jointly forms the second opening (19).

8. The portable respirator of claim 7, wherein the locking structure comprises a locking groove (20) provided on one of the upper housing (1) and the lower housing (2) and a locking block (21) provided on the other, wherein the locking block (21) can extend into the locking groove (20).

9. The portable respirator of claim 1, wherein the air pump assembly comprises an upper cushion block (10), an air pump (9) and a lower cushion block (11), the upper cushion block (10) and the lower cushion block (11) are respectively arranged at the upper end and the lower end of the air pump (9), and the lower end surface of the upper cushion block (10) and the upper end surface of the lower cushion block (11) are matched with the surface of the air pump (9).

10. The portable respirator of claim 1, wherein the power supply device is a battery (8), and the battery (8) is electrically connected with the polymer oxygen-enriched membrane (15), the fan (7), the air pump assembly and the electromagnetic valve (12).

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