CN216986101U

CN216986101U - External personal protection fresh air fan

Info

Publication number: CN216986101U
Application number: CN202123332958.5U
Authority: CN
Inventors: 韩科; 张栋; 刘雪飞; 王晨; 陶祥力; 王海卫
Original assignee: PLA Navy Submarine College
Current assignee: PLA Navy Submarine College
Priority date: 2021-12-28
Filing date: 2021-12-28
Publication date: 2022-07-19
Anticipated expiration: 2031-12-28

Abstract

The utility model discloses an external personal protection fresh air machine, which comprises a face mask, an air supply module and an air pipe, wherein the face mask is connected with the air supply module; the air supply module comprises a shell, and a fan, a purification assembly and a power supply module which are arranged in the shell; the shell is a square box body and comprises side plates, a bottom plate and a top plate; an air inlet and an air outlet are arranged on the side plate; the purification component is fixedly arranged in the shell, is positioned at the inner side of the air inlet and is connected with the air inlet; the fan is fixedly arranged in the shell, positioned between the purification component and the air outlet, respectively connected with the air outlet and the purification component and used for driving the purification component to filter air; the power supply module is fixedly arranged in the shell and comprises a first power supply and a control module; the control module is respectively connected with the first power supply and the fan and is used for controlling the action of the fan; the air pipe is a telescopic bent pipe, and the two ends of the air pipe are respectively connected with the air outlet and the face mask and used for conveying clean air to the face mask. The utility model is convenient for use in operation in a narrow polluted space, protects operating personnel and improves user experience.

Description

External personal protection fresh air fan

Technical Field

The utility model belongs to the technical field of expiration protective articles, and particularly relates to an external personal protection fresh air machine.

Background

With the development of economy and society, the types of human work and the working environment are diversified. When spraying, fire fighting and testing, the operators need to be in toxic and harmful working environment for a long time or a short time. It is a necessary requirement to equip respiratory protection equipment to protect workers from the hazards of toxic and harmful gases.

At present, the commercially available respiratory protection articles generally comprise a mask and a filter, and the resistance of a component is overcome by the spontaneous respiration of a wearer, so that the situations of unsmooth respiration, large respiratory resistance and the like can occur in the use process. Therefore, some manufacturers have been equipped with blowers to help overcome the resistance of the components and allow smooth breathing. However, when working in a narrow space, a dark space or the like, the worker cannot carry too many tools in and out, which causes difficulty in respiratory protection.

Disclosure of Invention

The external personal protection fresh air fan provided by the utility model is convenient to use in operation in a narrow polluted space, protects operating personnel and improves user experience.

In order to solve the technical problems, the utility model adopts the following technical scheme:

an external personal protection fresh air machine comprises a face mask, an air supply module and an air pipe;

the mask is used for being worn on the face of a user and providing clean air for the user;

the air supply module comprises a shell, and a fan, a purification assembly and a power supply module which are arranged in the shell; the shell is a square box body and comprises side plates, a bottom plate and a top plate; an air inlet and an air outlet are formed in the side plate; the purification assembly is fixedly arranged in the shell, is positioned on the inner side of the air inlet and is connected with the air inlet; the fan is fixedly arranged in the shell, is positioned between the purification component and the air outlet, is respectively connected with the air outlet and the purification component, and is used for driving the purification component to filter air to obtain the clean air; the power supply module is fixedly arranged in the shell and comprises a first power supply and a control module; the control module is respectively connected with the first power supply and the fan and is used for controlling the fan to act;

the air pipe is a telescopic bent pipe, and two ends of the air pipe are respectively connected with the air outlet and the face mask and used for conveying the clean air to the face mask.

In one embodiment, the top plate and the corresponding pair of side plates are integrally manufactured; the bottom plate and the side plate on the opposite side are integrally manufactured; the air inlet and the air outlet are respectively arranged on the two side plates integrated with the bottom plate;

a handle is arranged on the top plate.

In one embodiment, the fan further comprises a speed regulation knob, wherein the speed regulation knob is connected with the control module, is arranged on the side plate and is used for regulating the rotating speed of the fan.

In one embodiment, the first power source is a rechargeable battery module; which is connected with the control module; the power supply device is used for supplying power to the control module by the external power supply when the control module is connected with the external power supply and supplying power to the control module by the first power supply when the external power supply is not connected.

In an embodiment, the power supply further includes a power display module, connected to the first power supply, for displaying the remaining power of the first power supply;

the side plate is provided with a through hole matched with the electric quantity display module in installation; the electric quantity display module is fixedly installed on the through hole.

In some embodiments, the lighting device further comprises a lighting lamp and a second power supply electrically connected with the lighting lamp; the second power supply is a rechargeable battery module and is fixedly connected with the illuminating lamp and then arranged above the face mask.

In some embodiments, the lighting device further comprises a connecting module, which is respectively connected with the lighting device and the face mask, and can enable the lighting device to rotate in a damping manner relative to the face mask, so as to adjust the angle of the lighting lamp relative to the face mask.

In some embodiments, the mask further comprises at least one-way air valve communicating from the inside of the mask to the outside of the mask.

In some embodiments, the purification assembly is provided with an adsorbent layer comprising any one or more of coconut shell activated carbon, zeolite molecular sieves.

Compared with the prior art, the utility model has the advantages and positive effects that: according to the external personal protection fresh air machine, the air supply module which can be placed on the ground and the telescopic bent air pipe are arranged, so that polluted air is purified by the air supply module outside a working place and then is conveyed to the mask through the air pipe to be provided for a user, the problem of respiratory protection when equipment is carried by an operator in a narrow space is solved, the operator in the narrow space polluted the working place is protected from being damaged by toxic gas, and the health and safety of the operator are protected; in addition, the telescopic bent air pipe is contracted when being close to reduce the occupied space and prevent winding; the extension satisfies the long distance demand when the operation far away, satisfies the needs, enlarges the application range of external personal protection new fan, promotes user experience.

Drawings

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

FIG. 1 is a schematic structural diagram of an embodiment of an external personal protection ventilator in accordance with the present invention;

FIG. 2 is a schematic diagram of an internal configuration of the external personal fresh air machine embodiment of FIG. 1;

FIG. 3 is an exploded view of the housing of the embodiment of the external personal fresh air machine of FIG. 1;

fig. 4 is a schematic view of the mask and the lighting device in an exploded structure.

In the figure, the position of the upper end of the main shaft,

1. a face mask; 2. an air supply module; 3. an air duct; 4. a lighting device; 5. a handle; 11. a one-way air valve; 21. a housing; 22. a fan; 23. a purification assembly; 24. a power supply module; 25. a speed regulation knob; 26. an electric quantity display module; 27. a switch; 28. a power outlet; 29. an internal air duct; 41. an illuminating lamp; 42. a second power supply; 43. a connection module; 211. a top plate; 212. a side plate; 213. a base plate; 214. an air inlet; 215. an air outlet; 216. a through hole; 241. a first power supply; 242. a control module; 431. a first connecting member; 432. a second connecting member; 433. and a third connecting member.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the utility model and are not to be construed as limiting the utility model.

Referring to fig. 1, 2, 3 and 4, the utility model discloses an external personal protection fresh air machine, which comprises a face mask 1, an air supply module 2 and an air pipe 3.

The mask 1 is intended to be worn on the face of a user to provide clean air to the user.

The air supply module 2 comprises a casing 21, and a fan 22, a purification assembly 23 and a power supply module 24 which are arranged in the casing 21.

The housing 21 is a square box and includes a top plate 211, a bottom plate 213 and side plates 212 located between the top plate 211 and the bottom plate 213; the different side plates 212 are respectively provided with an air inlet 214 and an air outlet 215.

The purification assembly 23 is fixedly arranged in the housing 21, is positioned at the inner side of the air inlet 214, and is connected with the air inlet 214; the fan 22 is fixedly disposed in the housing 21, located between the air outlet 215 and the purifying assembly 23, and respectively connected to the air outlet 215 and the purifying assembly 23, and configured to drive the dirty air entering from the air inlet 214 to be filtered, adsorbed and reacted by the purifying assembly 23, and then changed into clean air.

The power supply module 24 includes a first power source 241, a control module 242; the control module 242 is connected to the first power source 241 and the fan 22, respectively, and is used for controlling the fan 22 to operate or stop operating.

The air pipe 3 is a telescopic bent pipe, and two ends of the air pipe are respectively connected with the air outlet 215 and the face mask 1 for conveying clean air.

According to the external personal protection fresh air fan, the air supply module 2 which can be placed on the ground and the telescopic and bendable air pipe 3 are arranged, so that polluted air is purified by the air supply module 2 outside a working place and then is conveyed to the mask 1 through the air pipe 3 to be provided for a user, the problem that when the working place is a narrow space, breathing protection is carried by an operator when equipment is limited is solved, the operator polluting the working place in the narrow space is protected from being damaged by toxic gas, and the health and safety of the operator are protected; in addition, the telescopic bent air pipe 3 is contracted when clean air is provided for nearby operators, so that the occupied space is reduced and winding is prevented; the extension satisfies long distance demand when providing clean air for the operation personnel far away, satisfies the needs, enlarges the application range of external personal protection new fan, promotes user experience.

In one embodiment, referring to fig. 1 and 4, the air duct 3 is a foldable telescopic bending tube. The contraction and the extension are more convenient.

In one embodiment, referring to fig. 1, 2 and 3, the top plate 211 and the two corresponding side plates 212 are integrally formed; the bottom plate 213 is integrally formed with the opposite side plates 212; the air inlet 214 and the air outlet 215 are disposed on the two opposite side plates 212. A handle 5 is provided on the top plate 211.

The external personal protection ventilator of the present embodiment integrally manufactures the top plate 211 and the two opposite side plates 212 of the casing 21, integrally manufactures the bottom plate 213 and the two opposite side plates 212, and fixedly connects them to each other, so as to increase the integrity and robustness of the casing 21; a handle is made on the top plate 211 and is used for lifting and moving the external personal protection fresh air machine; since the top plate 211 integrally formed with the side plate 212 and the bottom plate 213 integrally formed with the side plate 212 are connected to each other, the integrity and the connection area are increased, so that the external personal protection fresh air machine is more stable when lifted and moved.

In an embodiment, referring to fig. 1, 2 and 3, the air inlet 214 and the air outlet 215 are respectively disposed on two side plates 212 integrally formed with the bottom plate 213; the fan 22, the purification assembly 23 and the power supply module 24 are all fixed on the bottom plate 213.

The external personal protection fresh air fan of the embodiment can avoid the influence on the fan 22, the purifying assembly 23 and the power supply module 24 due to the deformation of the casing 21 when being lifted and moved, and the connection stability and reliability of the fan 22, the purifying assembly 23 and the power supply module 24 and the casing 21 are improved.

In an embodiment, referring to fig. 1, 2 and 3, the device further includes a speed adjusting knob 25 disposed on the side plate 212 and connected to the control module 242 for adjusting the rotation speed of the fan 22.

The external personal protection fresh air machine of this embodiment can adjust the amount of wind size according to the distance of operation position apart from air supply module 2 and individual needs, makes the user more comfortable, promotes user experience.

In one embodiment, the first power source 241 is a rechargeable battery module, which is connected to the control module 242 and is controlled by the control module 242 to supply power. Specifically, when the control module 242 is connected to an external power source, the external power source supplies power; power is supplied by the first power source 241 when no external power source is connected.

The external personal protection fresh air fan of the embodiment can use an external power supply and a self-contained charging power supply, so that the use flexibility is improved, and the first power supply 241 can be prevented from being unavailable when no residual electricity exists.

In an embodiment, referring to fig. 1, fig. 2 and fig. 3, the power display module 26 is further included, connected to the first power source 241, and configured to display a remaining power of the first power source 241.

The side plate 212 is provided with a through hole 216 adapted to the power display module 26, and the power display module 26 is fixedly mounted on the through hole 216.

The external personal protection fresh air fan of this embodiment conveniently looks over the residual capacity of first power 241, and the person of facilitating the use in time charges, and the condition that first power 241 does not have residual capacity and job site does not have external power source interface appears when preventing the use of external personal protection fresh air fan, avoids unable operation or the condition of adventure operation to appear.

In an embodiment, referring to fig. 1, 2 and 3, the power supply device further includes a switch 27 and a power socket 28, which are used for controlling the fan to supply air, stopping air supply and connecting an external power supply, and are arranged on the same side plate 212 together with the speed-adjusting knob 25 and the electric quantity display module 26, so as to facilitate operation of a user.

In an embodiment, referring to fig. 1 and 4, the air outlet 215 is a threaded structure, and one end of the air duct 3 is provided with a threaded structure adapted to be connected with the air outlet 215; the air pipe 3 is connected with the air outlet 215 by screw threads.

The external personal protection fresh air machine of the embodiment is convenient to connect and detach, and is convenient to maintain and replace damaged parts.

In an embodiment, referring to fig. 2 and fig. 3, the air duct 29 is further included, and is respectively connected to the cleaning assembly 23 and the blower 22, and is used for communicating the cleaning assembly 23 with the blower 22, so as to solve the communication problem when the blower inlet 214 and the cleaning assembly outlet 215 are not in the same direction.

Preferably, referring to fig. 2 and 3, the air inlet 214 and the air outlet 215 are disposed on the opposite side plates of the housing 21, the blower 22 is a centrifugal blower, and the blower inlet and the blower outlet are at a right angle; the internal air duct 29 is a right-angled air duct that connects the purification assembly 23 and the air inlet of the fan.

In one embodiment, referring to fig. 2 and 3, a grill is further included and is disposed on the intake vent 214.

The external personal protection fresh air fan of this embodiment is through setting up grid protection purification assembly 23, guarantees purifying effect.

In some embodiments, the purification material of purification assembly 23 is provided with an adsorbent layer comprising any one or more of coconut shell activated carbon, zeolite molecular sieves.

The external personal protection fresh air machine of the embodiment increases the types of the adsorbable ions of the purification component 23, and improves the quality of the clean air.

In some embodiments, referring to fig. 1 and 4, the lighting device 4 further includes a lighting lamp 41 and a second power source 42 electrically connected to the lighting lamp 41, which is a rechargeable battery module, and is disposed above the mask 1 after being fixedly connected to the lighting lamp 41.

The external personal protection fresh air machine of the embodiment is provided with the lighting device 4 above the face mask 1, so that the lighting device is convenient for lighting in poor lighting places, and the problem that the fresh air machine is inconvenient to wear together with the face mask 1 when a head lamp is additionally arranged is solved.

In some embodiments, referring to fig. 4, the lighting device 4 and the face mask 1 are connected by a connection module 43, so that the lighting device 4 and the face mask 1 can rotate in a damping manner, and the angle of the lighting lamp 41 relative to the face mask 1 can be adjusted by a user.

The external personal protection fresh air fan of the embodiment is convenient for a user to use the illuminating lamp 41.

In some embodiments, referring to fig. 4, the connection module 43 includes a first connection 431, a second connection 432, a third connection 433; the first connecting piece 431 is fixedly connected with the upper end of the face mask 1; the second connecting piece 432 is in damping rotatable connection with the first connecting piece 431; the third connecting member 433 is fixedly connected with the second power supply 42; the second connecting member 432 is fixedly connected to the third connecting member 433.

In some embodiments, referring to fig. 1 and 4, the mask 1 further comprises at least one-way air valve 11, which communicates from the inside of the mask 1 to the outside of the mask 1.

The external personal protection fresh air machine of the embodiment enables purified air and air exhaled by a user to be communicated from the inside of the face mask 1 to the outside of the face mask 1 in a one-way mode, so that the air in the face mask 1 is kept clean and the oxygen content of the air in the face mask 1 is kept constantly, and the health of the user is guaranteed.

In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings, which are merely for convenience of description and simplification of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and operate, and thus, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly 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 the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise explicitly stated or limited, the terms "mounted," "connected," "fixed," and the like are to be construed broadly, e.g., as being permanently connected, detachably connected, or integral; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be interconnected within two elements or in a relationship where two elements interact with each other unless otherwise specifically limited. The specific meanings of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.

In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

In the description of the specification, reference to the description of "one embodiment," "some embodiments," "an example," "a specific example," or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.

Claims

1. An external personal protection ventilator, comprising:

a mask for wearing on a user's face to provide clean air to the user;

the air supply module comprises a shell, and a fan, a purification assembly and a power supply module which are arranged in the shell; the shell is a square box body and comprises side plates, a bottom plate and a top plate; an air inlet and an air outlet are arranged on the side plate; the purification assembly is fixedly arranged in the shell, is positioned on the inner side of the air inlet and is connected with the air inlet; the fan is fixedly arranged in the shell, is positioned between the purification component and the air outlet, is respectively connected with the air outlet and the purification component, and is used for driving the purification component to filter air to obtain the clean air; the power supply module is fixedly arranged in the shell and comprises a first power supply and a control module; the control module is respectively connected with the first power supply and the fan and is used for controlling the fan to act;

2. The external personal protection fresh air machine of claim 1, wherein the top panel is integrally formed with the corresponding pair of side panels; the bottom plate and the side plate on the opposite side are integrally manufactured; the air inlet and the air outlet are respectively arranged on the two side plates integrated with the bottom plate;

a handle is arranged on the top plate.

3. The external personal protection fresh air machine of claim 1, further comprising a speed adjusting knob connected to the control module, disposed on the side plate, for adjusting the rotational speed of the fan.

4. The external personal protection ventilator of claim 1 wherein the first power source is a rechargeable battery module; which is connected with the control module; the power supply device is used for supplying power to the control module by the external power supply when the control module is connected with the external power supply and supplying power to the control module by the first power supply when the external power supply is not connected.

5. The external personal protection fresh air machine as claimed in claim 4, further comprising an electric quantity display module connected to the first power supply for displaying the remaining electric quantity of the first power supply;

6. The external personal protection fresh air machine as claimed in any one of claims 1 to 5, further comprising a lighting device including a lighting lamp and a second power supply electrically connected thereto; the second power supply is a rechargeable battery module and is fixedly connected with the illuminating lamp and then arranged above the face mask.

7. The external personal protection ventilator of claim 6 further comprising a connection module respectively connected to the lighting device and the mask, so that the lighting device can rotate in a damped manner with respect to the mask, and the connection module is used for adjusting an angle of the lighting device with respect to the mask.

8. The external personal protection ventilator of any one of claims 1-5 wherein the mask further comprises at least one-way air valve communicating from the inside of the mask to the outside of the mask.