Neck-worn air blowing mask

Abstract

A neck-worn air blowing mask, relating to the field of mask protection. The neck-worn air blowing mask comprises a mask, air guide pipes, and a neck-worn air purifier. The neck-worn air purifier is provided with a U-shaped neck-worn frame that can be worn on the neck, and an air filtering assembly and an air blowing assembly are arranged inside the neck-worn air purifier. The key lies in that one end of an air guide pipe is in communication with an air blowing port of the purifier, the other end of the air guide pipe is inserted from a side of the mask, and the air guide pipe is tightly sealed by means of a guide pipe strip arranged on the side of the mask. By placing the purifier main body on the neck and using an innovative structure in which the purifier main body is inserted connection with the side of the ordinary mask, the neck-worn air blowing mask solves the technical problems of existing air blowing masks being cumbersome to wear, having excessively long and unattractive pipes that restrict movement, and requiring the use of dedicated masks, and has the advantages of easy wearing, simple appearance, high comfort, and low use costs.

Description

Neck-hung air supply mask TECHNICAL FIELD

[0001] The present application relates to the technical field of personal protective equipment, in particular to the structural design and gas conveying connection technology of a neck-hung air supply mask device. BACKGROUND

[0002] Under the current social environment, wearing a mask has become a key measure for public health protection and labor protection in specific professions (such as medical, construction, chemical, etc.). However, when wearing a mask for a long time, especially when wearing a protective mask with a high filtration level, there is a common problem of high respiratory resistance and a feeling of suffocation and discomfort. To solve this problem, the industry has developed various active air supply masks, which actively send filtered air into the mask through a miniature air purification device to form a slight positive pressure and significantly reduce respiratory resistance.

[0003] The active air supply mask in the prior art is mostly of a "separated" structure with the air purification device separated from the mask, which is usually composed of a mask, an air guide tube, and an air purifier. The mainstream fixing methods of the air purifier include a waist belt fixed waist-wearing type (as shown in FIG. 1), an arm band fixed arm-wearing type (as shown in FIG. 2), and a hanging rope suspended hanging rope type (as shown in FIG. 3). In addition, there is also a scheme of fixing the purifier on a helmet (as shown in FIG. 4). However, these existing schemes have exposed a series of deep-seated technical problems in popularization and application, especially in some specific and long-term application scenarios, far from meeting the actual needs of users.

[0004] For example, for professional people who provide services to the public for a long time, such as teachers, food vendors, traffic police, bank clerks, or airport ground staff, they generally wear masks for more than eight hours a day. In these scenarios, the defects of the existing air supply mask are greatly magnified. First, a purifier host fixed by a waist belt or an arm band, and a long air guide tube that crosses the chest and face, appear very conspicuous and professional, like medical or biochemical protective equipment, which will create unnecessary distance and psychological barriers in service scenarios that require close communication with the public. Second, such professionals need to communicate frequently and clearly with people, and the mask itself has caused the voice to be muffled, and the existing air supply device has not solved this problem, but may exacerbate communication barriers due to the noise of the fan. Finally, its complex wearing method is also very cumbersome for positions that require quick dressing and adjustment.

[0005] For example, for the workers engaged in high-intensity physical labor in outdoor or complex environments, such as traffic police on duty in the summer, construction workers, or constantly moving express delivery and take-out personnel, the existing technology cannot provide a satisfactory solution. In these scenarios, the waist-mounted or arm-mounted purifier host is not only a burden, but also easily hooks with the safety belt, tool bag or goods carried, hindering limb movement and even causing safety hazards. More importantly, in hot environments, high-intensity physical activity generates a large amount of heat. Although the existing air supply mask alleviates the suffocation of breathing, the combination of the mask, the device itself, and the hot neck exacerbates the overall heat load of the user, which easily leads to heat stroke. In the cold winter, the direct pumping of external cold air into the mask will also cause strong irritation to the respiratory tract of the user.

[0006] In addition, the existing separate air supply mask generally requires a hole in the front of the mask and a special connection interface, which means that the user must continuously purchase expensive special masks, and cannot use widely available and affordable ordinary masks, which undoubtedly limits its large-scale popularization and application.

[0007] Therefore, although the existing technology solves the problem of suffocation of wearing a mask to a certain extent, it still has significant and urgent technical problems in ergonomics, environmental adaptability, wearing aesthetics, communication convenience and use economy. There is currently a lack of a new generation of personal respiratory protection solution that can truly integrate into daily life and work, and balance high-efficiency protection and comfort and convenience. SUMMARY

[0008] The purpose of the present application is to provide a neck-hung air supply mask to solve the problems raised in the background art.

[0009] The application discloses a hanging neck air supply mask, which comprises a mask, an air guide pipe and a hanging neck air purifier, the hanging neck air purifier comprises a neck wearing frame, an air supply assembly, an air filter assembly, an air supply channel and an air supply port, wherein the neck wearing frame is in a U shape as a whole, a flexible connecting piece is arranged at a middle arc-shaped part, and the neck wearing frame can be worn on a human neck and a shoulder close to the neck; an air supply air duct is formed between an air outlet of the air supply assembly and the air supply port in a cavity chamber of the neck wearing frame; the air supply assembly comprises a battery, a control assembly and a fan assembly, the fan assembly comprises a fan, a fan inlet and an outlet; the air filter assembly is arranged at the fan inlet or between the fan assembly and the air supply air duct and path of the mask, and is used for purifying air; air enters the air supply air duct to the air supply port after passing through the air filter assembly and the air supply assembly; one end of the air guide pipe is in sealed communication with the air supply port, and the other end of the air guide pipe is inserted into the mask from a side of the mask in a wearing state, and a side pipe strip of the mask is used for tightly pressing and sealing the air guide pipe, so that the mask is supplied with purified air.

[0010] In a preferred example, a plurality of blowout ports in the form of holes or slits are arranged on the neck wearing frame in a spaced manner, and a blowout air duct is further formed in the cavity chamber of the neck wearing frame from the air outlet of the air supply assembly to the blowout ports, so that air supply of the air supply assembly passes through the blowout air duct to the blowout ports, and the neck and the nape are blown and cooled.

[0011] In a preferred example, a switching valve is arranged at the inlet of the air duct when the purified air from the air supply assembly enters the air duct, two air ducts, namely an air supply air duct and a blowout air duct, are arranged behind the switching valve, the switching valve is used for switching the air ducts, and the switching valve can be controlled electronically or mechanically.

[0012] In a preferred example, there are two air supply assemblies, one of which is used for air supply of the blowout air duct, and the other of which is used for air supply of the air supply air duct, or one strong air supply assembly is used for air supply of the blowout air duct and the air supply air duct at the same time, so that air supply of the mask and blowing of the neck and the nape are realized at the same time.

[0013] In a preferred example, the air guide pipe is a combination of a corrugated hose and a straight pipe, one end of the corrugated hose is connected to the air supply port, the other end of the corrugated hose is connected to the straight pipe, and the other end of the straight pipe is inserted into the side of the mask.

[0014] In a preferred example, the air filter assembly comprises an air filter box and a filter sheet, the air filter box comprises an openable and closable box cover, the filter sheet is arranged in the filter box, the box cover and the box bottom are grid through-hole plates, the air filter box is arranged at the fan inlet, and the outlet of the air filter assembly is in communication with the fan inlet.

[0015] In a preferred embodiment, a loudspeaker is further included, which comprises a sound receiver arranged in the air supply port and a sound amplifier arranged on the neck support, so that the sound generated in the mask is conducted to the sound receiver in the air supply port through the air guide pipe and then amplified; at this time, the air guide pipe also serves as a sound guide pipe.

[0016] In a preferred embodiment, an air filtering assembly, an air exhaust assembly, an air exhaust channel, an air exhaust port and an air guide pipe for air exhaust are further included; the air exhaust channel is formed by the passage from the air exhaust port to the inlet of the air exhaust assembly in the cavity of the neck support; one end of the air guide pipe for air exhaust is in sealed communication with the air exhaust port, and the other end of the air guide pipe is inserted into the mask from the side of the mask in the wearing state; the breathing exhaust gas in the mask is exhausted outward through the air guide pipe, the air exhaust port, the air exhaust channel, the air exhaust assembly and the air filtering assembly.

[0017] In a preferred embodiment, the air guide pipe for air exhaust is a combination of a corrugated hose and a straight pipe, one end of the corrugated hose is connected to the air exhaust port, the other end of the corrugated hose is connected to the straight pipe, and the other end of the straight pipe is inserted into the side of the mask.

[0018] In a preferred embodiment, a temperature regulator is further included, which is arranged at the outlet of the fan to regulate the temperature of the air supply of the fan, so as to deliver the purified air with regulated temperature to the mask or provide the neck with the air with regulated temperature.

[0019] The application has the beneficial effect that a series of closely coupled and mutually supporting technical means are used to systematically solve a series of technical problems such as complicated wearing and fixing, long pipe affecting appearance, being like a biochemical device, inconvenient connection and high cost faced by the existing separate air supply mask.

[0020] Firstly, the main body of the air purifier (3) is innovatively designed as a U-shaped neck support (762) that can be directly worn on the human body's neck and close to the shoulder of the neck, and the air guide pipe (2) is inserted from the side (16) of the mask (11) and sealed (14) by the side guide pipe strip (13), which produces a series of synergistic technical effects. On the one hand, the structure of the U-shaped neck support (762) fundamentally eliminates the dependence on additional fixing accessories such as waistbands and armbands, achieving quick wearing and stable support, and because the distance from the head is greatly shortened, the air guide pipe (2) used for connection can be designed very small and hidden behind the side, completely solving the technical pain points of poor appearance and hindering activities caused by long pipelines crossing the body and face in the prior art. On the other hand, the "side insertion-guide pipe compression" connection method not only realizes the convenience of "one insertion", but more importantly, it enables the device to be compatible with any ordinary, non-holed mask (11), breaking the dependence on expensive special masks and greatly reducing the user's use cost and difficulty in obtaining consumables. The combination of the two achieves a new air supply mask solution that is convenient to wear, simple in appearance, economical to use, and widely accepted by the public.

[0021] On the basis of the above-mentioned core scheme, the application further improves the comfort and enthusiasm of wearing a mask by adding a neck blowing function. Specifically, by providing a blowing port (75) on the neck support (762) and forming an internal blowing air duct (712), direct neck blowing and cooling can be achieved, effectively relieving the discomfort in hot or stuffy environments. The introduction of the switching valve (811) gives users the flexibility to freely switch between air supply for the mask and blowing for the neck according to their own needs. Further, by using a double air supply assembly or a single powerful air supply assembly, air supply to the mask and blowing to the neck can be achieved simultaneously, making the effects of relieving "breathing suffocation" and "neck heat" simultaneously, providing a synergistic comfortable experience.

[0022] To improve the durability, convenience and functionality of the device, a series of optimizations are also made. Specifically, the air duct (2) is designed as a combination of a corrugated hose (221) and a straight pipe (211), which has the technical effect that the corrugated part provides flexibility to adapt to head rotation, while the straight pipe part ensures the stability of insertion. The combination of the two ensures the reliability and durability of the connection. Specifically, the air filter assembly (6) is designed as an air filter box (61) with an openable and closable box cover (63), which contains a replaceable filter sheet (62), which has the technical effect of greatly facilitating the user's replacement of the filter consumables, ensuring the filtering efficiency, and being economical and practical. Specifically, by setting a sound receiver (831) in the air outlet (5) and a sound amplifier (832) on the neck-wearing frame (762), and using the air duct (2) as a sound guide pipe, the function of a loudspeaker (83) is ingeniously integrated, which has the technical effect of solving the problem of voice muffled and poor communication caused by wearing a mask without adding any mask end pickup electronic components. The structure is simple and the effect is remarkable.

[0023] In addition, to meet the needs of special scenarios and groups, the application also provides more advanced functional modules. Specifically, the active exhaust function, by adding an independent exhaust assembly (842) and an exhaust duct, can actively exhaust the exhaled waste gas in the mask, which has the technical effect of significantly reducing the carbon dioxide concentration and humidity in the mask compared to simple air supply, further relieving the feeling of suffocation. For patients with respiratory system diseases, this function can improve the wearing comfort while filtering the exhaust gas if combined with the filter assembly, effectively blocking the external spread of viruses, and has the dual effect of benefiting oneself and benefiting others. Specifically, by adding a temperature regulator (85-1), the airflow can be heated or cooled, which has the technical effect of providing users with temperature suitable breathing airflow in extreme environments such as extreme cold or heat, avoiding the stimulation of respiratory tract by excessively cold or hot air, and improving the health and comfort of wearing.

[0024] A large number of technical features are described in the specification of the present application, which are distributed in various technical solutions. If all possible combinations of technical features (i.e. technical solutions) of the present application are listed, the specification will be too long. In order to avoid this problem, each technical feature disclosed in the above summary of the present application, each technical feature disclosed in the following various embodiments and examples, and each technical feature disclosed in the drawings can be freely combined with each other to form various new technical solutions (which are considered to have been described in the specification), unless such combination of technical features is technically infeasible. For example, features A+B+C are disclosed in one example, features A+B+D+E are disclosed in another example, features C and D are equivalent technical means that play the same role, and can only be used at a time, and feature E can be combined with feature C in technology. Therefore, the solution of A+B+C+D should not be considered to have been described because it is technically infeasible, and the solution of A+B+C+E should be considered to have been described. BRIEF DESCRIPTION OF DRAWINGS

[0025] FIG. 1 is a structural schematic diagram of a waist-mounted air purifier in the prior art.

[0026] FIG. 2 is a structural schematic diagram of an arm-mounted air purifier in the prior art.

[0027] FIG. 3 is a structural schematic diagram of a hanging rope suspension air purifier in the prior art.

[0028] FIG. 4 is a structural schematic diagram of an air purifier used in cooperation with a helmet in the prior art.

[0029] FIG. 5 is a front structural view of a neck-hanging air purifier according to an embodiment of the present application.

[0030] FIG. 6 is a partial internal structural schematic diagram of the left side portion of the neck-hanging air purifier shown in FIG. 5.

[0031] FIG. 7 is a front structural schematic diagram of a neck-hanging air purifier in a wearing state according to an embodiment of the present application.

[0032] FIG. 8 is a side structural schematic diagram of a neck-hanging air purifier in a wearing state according to an embodiment of the present application.

[0033] FIG. 9 is a schematic diagram showing the process of connecting the air guide tube and the mask side according to an embodiment of the present application.

[0034] FIG. 10 is a schematic diagram showing the process of connecting the air guide tube and the mask front interface in the prior art.

[0035] FIG. 11 is a schematic diagram showing the state of the air guide tube being compressed and sealed by the duct strip from the rear perspective according to an embodiment of the present application.

[0036] BRIEF DESCRIPTION OF DRAWINGS: Reference Mark Description Reference Mark Description 1 Mask 71 Airway inlet 11 Mass produced mask 711 Blower airway 12 Port interface connected mask 712 Blower airway 121 Port interface 72 Blower assembly 122 Port 721 Blower 123 Connection interface 722 Blower inlet 13 Mask side conduit strip 73 Electronic control assembly Reference Mark Description 14 Compression and seal of airway 731 Operating panel 15 Mask air inlet location 74 Rechargeable battery 16 Airway insertion into mask side 75 Blower port 17 Bridge 762 U-shaped neck support 2 Airway 811 Airway valve 211 Straight tube, air in 812 Blower valve 212 Straight tube, air out 813 Blower valve 221 Bellow, air in 83 Sound assembly 222 Bellow, air outexhaust 831 sound receiver 3 neck-hung air purifier 832 sound amplifier 31 air purifier 841 exhaust port 41 waistband 842 exhaust assembly 42 armband 843 exhaust air duct 43 hanging rope 85-1 electronic temperature control assembly 44 helmet 9 neck-hung air supply mask 5 air supply port 6 air filtration assembly 61 air filtration box 62 air filtration material (filter sheet) 63 filter box cover 7 air supply assembly, DETAILED DESCRIPTION

[0037] In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application. However, it will be apparent to one skilled in the art that the present application can be practiced without such specific details and that numerous implementation variations and modifications can be possible.

[0038] Explanation of some concepts:

[0039] Neck-hung air supply mask refers to the complete device system disclosed in the present application. It does not refer to a single mask, but an organic whole including a mask, an air guide pipe, and a neck-hung air purifier integrating the functions of purification and air supply.

[0040] U-shaped neck-wearing frame refers to the main structural framework of the neck-hung air purifier. Its U-shaped design is intended to conform to ergonomics, allowing it to be directly and comfortably worn on the user's neck or shoulder as a carrying platform for all functional components, thus replacing the cumbersome fixing methods such as waistbands and armbands in the prior art.

[0041] Air guide pipe refers to the hollow pipeline connecting the air supply port of the neck-hung air purifier and the mask. Its core function is to serve as a channel for delivering purified air. In specific embodiments, it can also serve as a "sound guide pipe" for conducting sound.

[0042] Side insertion refers to a core innovative connection method of the present application, i.e., the air guide pipe is not connected to the pre-set interface on the front of the mask, but directly inserted into the internal space from the side wall of the ordinary mask. This method allows the device to be compatible with ordinary masks without modification.

[0043] Cord, refers to the key sealing component arranged on the side of the mask, which is used to match the "side insertion". Its function is to press the flexible mask fabric tightly on the wall of the air duct after the air duct is inserted, forming a reliable airtight seal, which is similar to the principle of the pressing seal of the nose bridge.

[0044] Blower assembly, refers to the core power unit arranged inside the neck-wearing frame, which is responsible for generating and driving air flow. It is usually composed of a fan assembly, a battery that provides power for it, and a control assembly that is responsible for operation control.

[0045] Blowing port, refers to the hole or slit-shaped opening arranged on the neck-wearing frame, which is used to blow air flow to the user's neck to achieve cooling and improve comfort.

[0046] Switching valve, refers to an optional component arranged in the air duct inside the neck-wearing frame. Its function is to control the direction of air flow, allowing users to choose between "blowing air for the mask" (air flow into the blowing air duct) and "blowing air for the neck" (air flow into the blowing air duct).

[0047] Loudspeaker, refers to the functional module integrated to solve the problem of muffled sound caused by wearing a mask. It is composed of a sound receiver arranged inside the blowing port and a sound amplifier inside the neck-wearing frame, which works together with the air duct that also serves as a "sound guide pipe".

[0048] Active exhaust function, refers to an optional advanced function that actively exhausts the exhaled waste gas in the mask and discharges it outward by adding an independent exhaust assembly and exhaust duct to the neck-wearing frame, thereby more significantly reducing the respiratory resistance and carbon dioxide concentration.

[0049] Temperature regulator, refers to an electronic component arranged in the air duct for adjusting the temperature of the output air flow. Its function is to heat or cool the air according to the ambient temperature, providing users with a temperature suitable for breathing air flow in cold or hot weather.

[0050] Air duct, refers to the channel arranged inside the neck-wearing frame for guiding air flow. It can include blowing air duct, blowing air duct and exhaust channel.

[0051] Control assembly, refers to the electronic circuit module used to control the working state of the fan, switching valve, temperature regulator, etc. It can include microcontrollers, switches, buttons or touch control devices.

[0052] Battery, refers to the energy storage unit that provides power for the blower assembly, control assembly and attached functional modules, which can be rechargeable lithium batteries or other suitable power sources.

[0053] Air filter assembly, refers to the functional module responsible for purifying inhaled air. In the preferred embodiment of the present application, it is manifested as an air filter box with an openable and closable lid, which contains replaceable filter sheets inside.

[0054] It should be noted that in this application, referring to FIGS. 6-9 of the accompanying drawings, the air filtration assembly (6) can be arranged at multiple positions of the air flow path to achieve different filtration effects. For example, in one embodiment, the air filtration assembly (6) is arranged at the fan inlet (722) to pre-filter the external air entering the system; in another embodiment, the air filtration assembly (6) is arranged in the air supply duct (711) between the air supply assembly (7) outlet and the air supply port (5); in still another embodiment, the air filtration assembly (6) is arranged in the straight pipe section or a specific connection site of the air guide pipe (2); in further embodiments, a multi-stage filtration configuration can be used, i.e., filters are arranged at the above-mentioned multiple positions simultaneously to achieve higher purification effect. Among them, "between paths" specifically refers to the air conveying channel from the air supply assembly outlet to the inside of the mask.

[0055] The following outlines some of the innovations of the present application:

[0056] The core technical concept of the hanging neck air supply mask 9 disclosed in the present application is not a simple linear superposition of the functions of the existing "air purifier 31" and "mask 12", but is derived from a deep insight into the inherent contradictions of the components in the prior art in the dimensions of ergonomics, structural layout, and compatibility of consumables, and proposes a systematic and highly coupled solution based on this.

[0057] First, the starting point of the technical concept of the present application is to break through the conventional layout of the purification device 31 and the wearer in the existing separate air supply mask, which is "remote and non-integrated". To solve the problem of storage and fixation of the purification device 31, the prior art is forced to use additional restraints such as waist belts 41, arm belts 42, or hanging ropes 43. This "spatial separation and cumbersome fixation" mode not only directly leads to the redundant design of the air guide pipe 221 having to span a long distance across the torso, but also causes a series of chain technical biases such as inconvenience to wear, limited movement, and conspicuous appearance. The present application takes the opposite approach and creatively proposes a "close and integrated" structural paradigm by constructing a U-shaped neck holder 762. The neck holder 762 is not a simple hanging rope, but a functional bearing platform that forms a stable support and wearing relationship with the neck and shoulder area of the human body, thereby fundamentally eliminating the dependence on external fixation accessories in physical form, and on this premise, the physical distance between the purification air source and the mask 11 is greatly shortened.

[0058] Secondly, based on the above-mentioned "short-distance conveying" technical condition brought by the "close and integrated" layout, the technical concept of the present application can evolve to a deeper level, that is, to challenge the deep-rooted technical formula that "the gas guide tube must be connected through the front pre-set interface 121 of the mask 12, which is the only reliable sealing connection. This formula is essentially a helpless choice under the long-distance pipeline layout, but it leads to the user's dependence on special open mask 12, resulting in high after-use cost, poor generalization of consumables, and cumbersome connection and easy disconnection of the gas guide tube and the interface 121. The essence of the technical concept of the present application is to abandon the deep-rooted technical formula that "the gas guide tube must be connected through the interface 121, which is the only reliable sealing connection", and to overturn the concept of "side insertion type connection 16".

[0059] However, the realization of this concept is not obvious, and the core technical obstacle it faces is: how to form a convenient and reliable airtight connection on the flexible mask wall of the non-pre-set interface. For this, the present application provides an extremely ingenious solution - the introduction of a side catheter strip 13. The catheter strip 13 is not a simple reinforcing member, but functions in cooperation with the gas guide tube 2 and the flexible side wall of the mask 11 to build a localized, flexible compression sealing interface 14 from the outside to the inside. This design cleverly borrows and transforms the compression sealing principle of the nose bridge strip 17 on the contour of the nose bridge, and applies it to a completely new and dynamic pipe-cloth combination scenario, thus perfectly solving the key technical problem of "interface-free sealing" at extremely low cost and with extremely simple operation.

[0060] In summary, the U-shaped neck holder 762, the side insertion 16 mode of the gas guide tube 2, and the compression sealing 14 mechanism of the side catheter strip 13 of the present application are not isolated technical features, but an organic whole that is mutually prerequisite and mutually accomplished and tightly coupled. From "changing the layout of the purifier" to "realizing short-distance conveying", to "overturning the connection method" and "solving the problem of interface-free sealing", this series of interlocking technical concepts, together, achieve a specific technical effect that far surpasses the prior art in terms of wearing convenience, aesthetics, freedom of movement, and economy of consumables, with outstanding substantial features and significant progress.

[0061] To make the purpose, technical scheme and advantages of the present application clearer, the embodiments of the present application will be described in further detail below with reference to the drawings.

[0062] The embodiment of the present application discloses a hanging neck air supply mask 9, and the core concept thereof is to systematically solve the technical problems of the existing separated air supply mask, such as complicated wearing, affecting aesthetics, hindering activities, and relying on special consumables, through an innovative structural layout.

[0063] Embodiment One

[0064] This embodiment aims to meet the basic needs of air supply with the lowest cost. Specifically, please refer to FIG. 7 and FIG. 8, which respectively show the front and side views of the hanging neck air supply mask 9 in the wearing state in the embodiment of the present application. The hanging neck air supply mask 9 mainly includes three core components: a hanging neck air purifier 3, an air guide pipe 2 and a mask 11. In the wearing state, the hanging neck air purifier 3 is worn on the neck or the shoulder close to the neck of the user, and the purified air is stably delivered into the internal breathing space of the mask 11 through the air guide pipe 2.

[0065] Please refer to FIG. 5, which is the front view of the hanging neck air purifier 3 in the embodiment of the present application. The main body of the hanging neck air purifier 3 is a neck-wearing frame 762, which is in a U-shaped structure as a whole, so as to comfortably wrap and wear on the neck of the user. In order to adapt to the neck circumference of different users and improve the wearing comfort, the arc-shaped part in the middle of the U shape is preferably provided as a mechanical component of a flexible connecting body, allowing for adjustment of a certain angle. The neck-wearing frame 762 has a cavity chamber inside, which is used to accommodate various functional components and serves as an air flow channel.

[0066] In the cavity chamber of the neck-wearing frame 762, a complete system for generating and delivering purified air is provided. Specifically, it includes an air supply assembly 7 and an air filtration assembly 6. The air supply assembly 7 serves as the power and control core of the device, and its interior integrates a charging battery 74 for providing electric energy for the entire device, an electronic control assembly 73 responsible for operation logic and user instructions, and a fan assembly 72 as a power source. The fan assembly 72 includes a fan 721, a fan inlet 722 and an outlet. Air is sucked in through the fan inlet 722, pressurized by the fan 721 and discharged from the outlet.

[0067] In order to ensure the cleanliness of the air delivered into the mask 11, as shown in FIG. 6 and FIG. 8, the air filtration assembly 6 is provided in this embodiment. In a preferred embodiment, the air filtration assembly 6 includes an air filtration box 61 and a replaceable filter sheet 62. The air filtration box 61 is arranged at the fan inlet 722 of the fan assembly 72, and its outlet is directly communicated with the fan inlet 722, so that all the sucked air must first pass through the filter. In order to facilitate the user to replace the consumables, the air filtration box 61 has a box cover 63 which can be opened and closed. The box cover 63 and the box bottom of the filter box are preferably grid through-hole plate structures to maximize the ventilation area while ensuring the structural strength. The user can conveniently open the box cover 63 to replace the filter sheet 62 inside.

[0068] The purified air is discharged from the outlet of the fan assembly 72, enters the pre-set air supply air duct 711 in the cavity of the neck-wearing frame 762, and is finally collected to an air supply port 5 provided on the neck-wearing frame 762.

[0069] Please refer to FIG. 9, which shows the process of connecting the air guide tube with the mask in the embodiment of the present application. The air guide tube 2 in the embodiment is preferably a combined structure of a corrugated hose 221 and a straight tube 211. This design takes into account both flexibility and stability of connection: one end of the corrugated hose 221 is in sealed communication with the air supply port 5 on the neck-wearing air purifier 3, and the corrugated structure can effectively absorb and buffer the deformation and pulling force caused by the rotation of the user's head; the other end is connected to the straight tube 211, and the relatively rigid structure of the straight tube 211 facilitates stable connection with the mask 11.

[0070] One of the core innovations of the embodiment is the connection method of the air guide tube 2 and the mask 11. As shown in FIG. 9(c) and FIG. 11, unlike the prior art method of opening a hole 122 on the front surface of the mask 12 and installing a complex interface 123 (as shown in FIG. 10), the straight tube 211 end of the air guide tube 2 of the present application is directly inserted into the mask 11 from the side surface 16. To ensure the air tightness of this connection method, a guide tube strip 13 is provided at the corresponding position of the side surface of the mask 11. The guide tube strip 13 has a function similar to the existing nose bridge strip 17 (see FIG. 8, etc.) of the mask, which presses the flexible material side wall of the mask 11 inwardly against the outer wall of the straight tube 211 by its own rigidity or elasticity, thereby forming an effective compression and sealing interface 14. This "side insertion-guide strip compression" connection method not only is extremely simple to operate, but also enables the present application to be compatible with any ordinary mask on the market, greatly reducing the user's use cost.

[0071] In summary, in the embodiment, the complete working process of the neck-wearing air supply mask 9 is as follows: the external air is purified by the air filter assembly 6, then pressurized by the air supply assembly 7, passes through the air supply air duct 711 and the air supply port 5, and is finally delivered to the inside of the mask 11 worn by the user through the air guide tube 2, thereby providing the user with continuous, clean and comfortable respiratory airflow, effectively relieving the suffocating feeling caused by long-term wearing of the mask.

[0072] Embodiment Two

[0073] The embodiment aims to increase the blowing function and improve user experience. Specifically, on the basis of embodiment one, the application also provides an implementation with neck blowing function to further improve the wearing comfort of users in hot environments. Please refer to FIG. 5 and FIG. 6 again. The hanging neck air purifier 3 of this embodiment is additionally provided with a plurality of spaced-apart blowing ports 75 on the inner side or upper side of the neck-wearing frame 762, i.e. the position close to the user's neck skin when worn.

[0074] Correspondingly, in the internal cavity of the neck-wearing frame 762, in addition to the aforementioned air supply air duct 711, an air blowing air duct 712 is also formed in parallel from the air outlet of the air supply assembly 7 to the blowing ports 75. In this way, the airflow generated by the air supply assembly 7 can be blown out from the blowing ports 75 through the blowing air duct 712, directly blowing and cooling the user's neck skin, effectively relieving the stuffy feeling caused by wearing a mask and equipment.

[0075] To realize the management of the mask air supply function and the neck blowing function, the embodiment provides two optional control modes. The first is mode switching. As shown in detail in FIG. 6, a duct switching valve 811 can be provided at the air duct entrance 71 behind the air outlet of the air supply assembly 7. The switching valve 811 is switched to the air supply switching point 813, and the air flow enters the air supply air duct 711. The switching valve 811 is switched to the blowing switching point 812, and the air flow enters the blowing air duct 712. The switching valve 811 can switch the air flow path between the two parallel air ducts, i.e. the air supply air duct 711 and the blowing air duct 712. The user can control the switching valve 811 through the control panel 731 provided in the middle of the neck-wearing frame 762 in electronic control or mechanical control mode, and select to guide all air flow to the mask 11 or to the neck blowing port 75.

[0076] The second is a simultaneous operation mode. In this mode, no switching valve is needed, but a specific power configuration is used. One way is to provide two independent air supply assemblies in the neck-wearing frame 762, one dedicated to supplying air to the air supply air duct 711, and the other dedicated to supplying air to the blowing air duct 712. Another more integrated way is to use an air supply assembly with sufficient performance, so that the airflow generated by it can be simultaneously and sufficiently distributed to the air supply air duct 711 and the blowing air duct 712. In this way, the functions of supplying purified air to the mask and blowing and cooling the neck can be simultaneously realized, providing users with a more comprehensive comfortable experience.

[0077] Embodiment three

[0078] The embodiment aims to integrate all advanced functions to meet professional needs. Specifically, to meet the needs of more specific application scenarios, the application can also integrate other functional extension modules.

[0079] As shown in FIG. 6, the present application can integrate a loudspeaker function. This embodiment is based on the foregoing embodiment, and additionally provides a loudspeaker 83. The cleverness of the loudspeaker 83 lies in its high degree of integration with existing components. It includes a sound receiver 831 arranged inside the air outlet 5, and a sound amplifier 832 arranged inside the neck-wearing frame 762. In this design, the air guide pipe 2 connecting the mask 11 and the air outlet 5 not only delivers air, but also serves as a sound guide pipe. The sound emitted by the wearer in the mask 11 is naturally conducted along the hollow channel of the air guide pipe 2 to the air outlet 5, and is picked up by the sound receiver 831. The signal is then transmitted to the sound amplifier 832 for amplification and broadcast. This design effectively solves the problem of muffled and unclear sound caused by wearing a mask, without the need to install any sound pickup electronic components or additional cables on the mask body.

[0080] As shown in FIGS. 5 and 7, the present application can also integrate an active exhaust function, which is particularly beneficial for patients with respiratory system diseases or users who need lower respiratory resistance. This embodiment additionally provides a set of independent exhaust system on the other side of the neck-wearing frame 762 (for example, the air supply system is on the left side, and the exhaust system is on the right side). The system includes an exhaust assembly 842, an exhaust port 841, and an internal exhaust passage 843 connecting the two. In use, a dedicated air guide pipe for exhaust is used, one end of which is in sealed communication with the exhaust port 841, and the other end is also inserted from the side of the mask 11 in a sealed manner. After starting, the exhaust assembly 842 actively extracts the respiratory waste gas (mainly carbon dioxide) in the mask, and discharges it outward through the exhaust passage 843. To ensure the safety of the discharged gas, an air filter assembly can also be arranged in the exhaust path. To adapt to this function, as shown in FIG. 5, the air guide pipe for exhaust can adopt a similar structure to the air supply air guide pipe 2, that is, it is composed of a corrugated hose 222 and a straight pipe 212.

[0081] As shown in FIG. 6, to further improve comfort, the present application can also integrate a temperature adjustment function. This embodiment additionally provides an electronic temperature adjustment assembly 85-1 at the outlet of the fan assembly 72, i.e., at the position of the air duct inlet. The temperature adjuster 85-1 (such as a semiconductor refrigeration sheet TEC) can actively cool or heat the air flowing through according to the user's settings. The air after temperature adjustment can be delivered into the mask 11, so that the user can inhale warm and humid air in winter and enjoy a slight coolness in summer; or it can be delivered to the air outlet 75 at the neck to provide temperature-adjusted air blowing, which has wider applicability.

[0082] The above only describes the preferred embodiments of the present application and is not intended to limit the present application. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

[0083] The above-mentioned embodiments have the following technical effects:

[0084] The beneficial effects of the present application are that a series of closely coupled and mutually supporting technical means systematically solve a series of technical problems such as complicated wearing and fixing, long pipeline affecting appearance, inconvenient connection and high cost faced by the existing separate air supply port mask.

[0085] Firstly, the present application innovatively designs the main body of the air purifier 3 as a U-shaped neck support 762 that can be directly worn on the human body or close to the neck and shoulder, and combines the connection mode of inserting the air guide pipe 2 from the side surface 16 of the mask 11 and tightly sealing 14 by the side guide pipe strip 13, which produces a series of synergistic technical effects. On the one hand, the structure of the U-shaped neck support 762 fundamentally eliminates the dependence on additional fixing accessories such as waistbands and armbands, achieving quick wearing and stable support, and because the distance from the head is greatly shortened, the air guide pipe 2 for connection can be designed to be very small and hidden behind the side, completely solving the technical pain points of poor appearance and hindering activities caused by the long pipeline of the existing technology. On the other hand, the U-shaped neck support alone cannot eliminate many existing technical problems. The connection mode of "inserting from the side - pressing with the guide strip" not only realizes the convenience of "one insertion" in operation, but more importantly, it enables the device to be compatible with any ordinary, non-holed mask 11, breaking the dependence on expensive special masks, greatly reducing the user's use cost, difficulty in obtaining consumables, and the cumbersome connection and easy disconnection of the air guide pipe and the interface 121. The combination of the two achieves a new air supply mask solution that is convenient to wear, simple in appearance, and economical to use.

[0086] On the basis of the above-mentioned core solution, the present application further improves the comfort and enthusiasm of wearing the mask by adding a neck blowing function. Specifically, by setting a blowing port 75 on the neck support 762 and forming an internal blowing air duct 712, direct neck blowing and cooling can be achieved, effectively relieving the discomfort in hot summer or hot environments. The introduction of the switching valve 811 gives the user the flexibility to freely switch between air supply for the mask and blowing for the neck according to their own needs. Further, by using a double air supply assembly or a single powerful air supply assembly configuration, air supply to the mask and blowing to the neck can be achieved simultaneously, making the effects of relieving "breathlessness" and "neck heat" simultaneously, providing a synergistic comfortable experience.

[0087] To improve the durability, convenience and functionality of the device, a series of optimizations are also made. Specifically, the air guide tube 2 is designed as a combination of a corrugated hose 221 and a straight tube 211, which has the technical effect that the corrugated part provides flexibility to adapt to head rotation, while the straight tube part ensures the stability of insertion. The combination of the two ensures the reliability and durability of the connection. Specifically, the air filter assembly 6 is designed as an air filter box 61 with an openable and closable box cover 63, which contains a replaceable filter sheet 62, which has the technical effect of greatly facilitating the replacement of the filter consumables by the user, ensuring the filtering efficiency, and being economical and practical. Specifically, by setting a sound receiver 831 in the air outlet 5 and using the air guide tube 2 as a sound guide tube, the function of a loudspeaker 83 is ingeniously integrated, which has the technical effect of solving the technical problem of voice muffled and poor communication caused by wearing a mask without adding any mask end pickup electronic components at the mask end. The structure is simple and the effect is remarkable.

[0088] In addition, to meet the needs of special scenarios and groups, the application also provides more advanced functional modules. Specifically, the active exhaust function, by adding an independent exhaust assembly 842 and an exhaust duct, can actively exhaust the exhaled waste gas in the mask, which has the technical effect of significantly reducing the carbon dioxide concentration and humidity in the mask compared to simple air supply, further relieving the feeling of suffocation. For patients with respiratory system diseases, this function can improve the wearing comfort while filtering the exhaust gas if combined with the filter assembly, effectively blocking the external spread of viruses, and has the dual effect of benefiting oneself and benefiting others. Specifically, by adding a temperature regulator 85-1, the airflow can be heated or cooled, which has the technical effect of providing users with temperature suitable breathing airflow in extreme environments such as extreme cold or extreme heat, avoiding the stimulation of respiratory tract by excessively cold or hot air, and improving the health and comfort of wearing.

[0089] It has to be noted that, in the present patent application, the terms first and second etc. are used only to distinguish one entity or operation from another entity or operation, without necessarily requiring or implying any actual relationship or order between such entities or operations. Moreover, the terms "comprises / comprising" or "includes / including" when used in this patent application are used to specify the presence of stated features, integers, steps or components but do not preclude the presence or addition of one or more other features, integers, steps, components or groups thereof. Furthermore, the term "figure" as used in this patent application is used to specify a figure in the drawings. The term "consisting of" is used in this patent application to specify the presence of stated features, integers, steps or components and the absence of other features, integers, steps, components or groups thereof. The term "performing an action based on" is used in this patent application to specify that the action is performed at least based on the specified element, including two cases: the action is performed based on the specified element only, and the action is performed based on the specified element and other elements. The terms "plurality", "multiple", "various" etc. include 2, 2 times, 2 kinds and more than 2, more than 2 times, more than 2 kinds.

[0090] All documents mentioned in this application are incorporated herein in their entirety by reference to disclose and describe the methods and / or materials in connection with which the documents are cited. It is expressly not intended that any of the foregoing references be read into or construed in a way that would limit the present application to the complete disclosure of the documents. Moreover, it is understood that various modifications or changes can be made to the present application by those skilled in the art in light of the above teachings without departing from the scope or spirit of the application.

Claims

1. A neck-hung air supply port mask (9), characterized in that, It comprises a mask (11), an air guide pipe (2), a neck air purifier (3), The neck air purifier (3) comprises a neck-wearing frame (762), a air supply assembly (7), an air filter assembly (6), an air supply channel (711), and an air supply port (5); wherein the neck-wearing frame (762) is in a U shape as a whole, a flexible connecting piece is arranged at the middle arc-shaped part, and it can be worn on the human neck and the shoulder close to the neck; an air supply air duct (711) is formed between the air outlet of the air supply assembly (7) and the air supply port (5) in the cavity of the neck-wearing frame (762); the air supply assembly (7) comprises a battery (74), a control assembly (73), and a fan assembly (72), the fan assembly (72) comprises a fan (721), a fan inlet (722), and an outlet; the air filter assembly (6) is arranged at the fan inlet (722), or between the fan assembly (72) and the air supply air duct (711) and path of the mask (11), for purifying air; after passing through the air filter assembly (6) and the air supply assembly (7), the air enters the air supply air duct (711) to the air supply port (5); One end of the air guide pipe (2) is in sealed communication with the air supply port (5), and in the wearing state of the mask (11), the other end of the air guide pipe (2) is inserted into the mask (11) from the side (16) of the mask (11) and is compressed and sealed (14) by the side pipe strip (13) of the mask (11), so as to deliver purified air to the mask (11).

2. The neck fan mask (9) according to claim 1, characterized in that, A plurality of blowout ports (75) in the form of holes or slits are arranged on the neck-wearing frame (762) in an interval manner, and a blowout air duct (712) is further formed in the cavity of the neck-wearing frame (762) from the air outlet of the air supply assembly (7) to the blowout ports (75), so that the air supply of the air supply assembly (7) passes through the blowout air duct (712) to the blowout ports (75) to blow and cool the neck.

3. The neck fan mask (9) according to claim 2, characterized in that, When the purified air from the air supply assembly (7) enters the air duct, a switching valve (811) is arranged at the air duct inlet 71, two air ducts, i.e., the air supply air duct (711) and the blowout air duct (712), are arranged behind the switching valve (811); the switching valve (811) is used to switch the air ducts; the switching valve (811) can be controlled electronically or mechanically.

4. The neck fan mask (9) according to claim 2, characterized in that, There are two air supply assemblies, one for air supply of the blowout air duct (712) and the other for air supply of the air supply air duct (711), or one strong air supply assembly for air supply of both the blowout air duct (712) and the air supply air duct (711), so that air supply to the mask and blowing and cooling of the neck are realized at the same time.

5. The neck fan mask (9) according to claim 1, characterized in that, The air guide pipe (2) is a combination of a corrugated hose (221) and a straight pipe (211), one end of the corrugated hose (221) is connected to the air supply port (5), the other end of the corrugated hose (221) is connected to the straight pipe (211), and the other end of the straight pipe (211) is inserted into the side of the mask (11).

6. The neck fan mask (9) according to claim 1, characterized in that, The air filter assembly (6) comprises an air filter box (61) and a filter sheet (62), the air filter box (61) comprises an openable and closable box cover (63), the filter sheet (62) is arranged in the filter box, the box cover (63) and the box bottom are grid through-hole plates, the air filter box (61) is arranged at the fan inlet (722), and the outlet of the air filter assembly (6) and the fan inlet (722) are in communication.

7. The neck fan mask (9) according to claim 1, characterized in that, Further comprising a loudspeaker (83), the loudspeaker (83) comprises a sound receiver (831) and a sound amplifier (832), the sound receiver (831) is arranged in the air supply outlet (5), and the sound amplifier (832) is arranged on the neck support (762), so that the sound in the mask is conducted to the sound receiver (831) in the air supply outlet (5) through the air guide pipe (2) and then amplified; at this time, the air guide pipe (2) also functions as a sound guide pipe.

8. The neck fan mask (9) according to claim 1, characterized in that, Further comprising an air filter assembly, an air exhaust assembly (842), an air exhaust channel (843), an air exhaust port (841) and an air guide pipe for air exhaust; the air exhaust port (841) to the air exhaust assembly (842) forms the air exhaust channel (843) in the cavity of the neck support (762); one end of the air guide pipe for air exhaust is in sealed communication with the air exhaust port (841), and the other end of the air guide pipe is inserted into the mask from the side of the mask in the wearing state; the breathing waste gas in the mask is exhausted outward through the air guide pipe (2), the air exhaust port (841), the air exhaust channel (843), the air exhaust assembly (842) and the air filter assembly (6).

9. The neck fan mask (9) according to claim 8, characterized in that, The air guide pipe (2) for air exhaust is a combination of a corrugated hose (222) and a straight pipe (212), one end of the corrugated hose (222) is connected to the air exhaust port (841), the other end of the corrugated hose (222) is connected to the straight pipe (212), and the other end of the straight pipe (212) is inserted into the side of the mask (11).

10. The neck fan mask (9) according to claim 1, characterized in that, Further comprising a temperature regulator (85-1), the temperature regulator (85-1) is arranged at the outlet of the fan, the temperature of the air supply of the fan is regulated, the purified air after temperature regulation is delivered to the mask (11), or the temperature-regulated air is provided for the neck. Further comprising a temperature regulator (85-1), the temperature regulator (85-1) is arranged at the outlet of the fan, the temperature of the air supply of the fan is regulated, the purified air after temperature regulation is delivered to the mask (11), or the temperature-regulated air is provided for the neck.

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