CN213912035U

CN213912035U - Backpack device with rigid neck retainer

Info

Publication number: CN213912035U
Application number: CN202022877232.9U
Authority: CN
Inventors: 李飞翔
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-12-04
Filing date: 2020-12-04
Publication date: 2021-08-10
Anticipated expiration: 2030-12-04

Abstract

The utility model provides a knapsack device with neck stereoplasm protective shroud, the utility model discloses a knapsack device with neck stereoplasm protective shroud, including knapsack and stereoplasm protective shroud, the stereoplasm protective shroud is connected in one side of knapsack, the one side that stereoplasm protective shroud and knapsack are connected is provided with the air inlet, be provided with the air channel in the stereoplasm protective shroud, open on the stereoplasm protective shroud and have an up gas outlet, the gas outlet of knapsack passes through the pipeline and communicates with the air inlet of stereoplasm protective shroud, the gas outlet of knapsack, the air channel communicates with the gas outlet on the stereoplasm protective shroud in proper order, stereoplasm protective shroud upper portion is provided with interface structure and soft sealing washer; the backpack is internally provided with a fresh air filtering device and an air conditioning device. The hard guard ring of the utility model can effectively isolate virus when being connected with the helmet through the interface structure; fresh air after filtration and temperature humidity control can be constantly input for the endogenous source of helmet to new trend filter equipment and air conditioning equipment, has not only improved the protection dynamics, has eliminated the discomfort that the user worn goggles and gauze mask and brought moreover.

Description

Backpack device with rigid neck retainer

Technical Field

The utility model relates to a human articles for daily use especially relates to personal protective equipment, is a knapsack device with neck stereoplasm protective shroud particularly.

Background

Medical staff in an epidemic situation occurrence area need to wear a mask, goggles and an isolation cap besides the protective clothing in the process of detection and treatment of patients, and the mask, the mask and the protective clothing are needed to be worn in areas with serious epidemic situations even all day long.

The gas permeability of gauze mask is poor, when wearing gauze mask and preventing by the virus infection, can lead to the speech unclear, it is also very uncomfortable to wear for a long time, leads to medical personnel face edema, and many problems such as indentation is obvious cause huge injury to medical personnel's mind and body. In addition, the disposable protective mask worn at present is not totally closed, so that even if the mask is worn in an area with serious epidemic situation, some medical staff can be infected. Therefore, when various serious epidemic situations occur, the medical staff on site needs a completely sealed head device which can continuously supply clean air to the sealed head and does not influence normal talking communication.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a knapsack device with neck stereoplasm protective shroud, this kind of knapsack device with neck stereoplasm protective shroud solve among the prior art medical personnel wear the gauze mask for a long time uncomfortable, the sealed protection dynamics of gauze mask is not enough technical problem.

The utility model discloses a knapsack device with neck stereoplasm protective shroud, including knapsack and stereoplasm protective shroud, the stereoplasm protective shroud is connected in one side of knapsack, and the one side that the stereoplasm protective shroud is connected with the knapsack is provided with the air inlet, is provided with the air channel in the stereoplasm protective shroud, opens upward gas outlet on the stereoplasm protective shroud, and the gas outlet of knapsack communicates through the air inlet of pipeline with the stereoplasm protective shroud, and gas outlet, the air channel of knapsack and the gas outlet on the stereoplasm protective shroud communicate in proper order;

the upper part of the hard guard ring is provided with an interface structure and a soft sealing ring, and the lower part of the hard guard ring is provided with a connecting structure and a soft cushion block;

an electric gas transmission device and a fresh air filtering device are arranged in the backpack, and a filtering core module is arranged in the fresh air filtering device;

the backpack is internally provided with a power supply, and the output end of the power supply is connected to the power end of the electric gas transmission device.

Furthermore, the upper part of the hard retainer is connected with a fully-sealed helmet through an interface structure.

Furthermore, the interface structure adopts a threaded clamping structure or an overturning clamping structure to be connected with the fully-sealed helmet;

the thread clamping structure comprises internal threads arranged on the hard guard ring and a first limiting bayonet lock;

the upset joint structure including set up at the semicircular rotating shaft earflap at stereoplasm protective shroud rear portion and set up the spacing bayonet lock of second in stereoplasm protective shroud front portion.

Further, an air conditioning device is arranged in the backpack, the fresh air filtering device and the air conditioning device are sequentially connected through a pipeline according to the air flowing direction, a semiconductor refrigerator and an ultrasonic humidifier are arranged in the air conditioning device, the semiconductor refrigerator is connected with a first radiating fin and a second radiating fin, a water inlet of the ultrasonic humidifier is connected with a water outlet of the water tank, and the air conditioning device is provided with a temperature and humidity sensor;

the backpack is internally provided with a controller, the controller is provided with a plurality of signal output ends and signal input ends, the control ends of the electric gas transmission device, the semiconductor refrigerator and the ultrasonic humidifier are connected with the signal output end of the controller, and the signal output end of the temperature and humidity sensor is connected with the signal input end of the controller;

the output end of the power supply is respectively connected to the power ends of the semiconductor refrigerator, the ultrasonic humidifier and the temperature and humidity sensor.

Furthermore, an annular soft leather diaphragm with holes is arranged in the hard guard ring, and radial wave-shaped diversion grooves are formed in the annular soft leather diaphragm.

Furthermore, the connecting structure arranged at the lower part of the hard retainer adopts an airtight zipper or an annular hoop.

Furthermore, the backpack is made of engineering plastics and is of a semi-rigid structure;

the backpack is of a multi-section soft connecting structure, the multi-section soft connecting structure comprises a plurality of joints distributed along the longitudinal direction of a body, and any two adjacent joints are connected by a soft structure;

all ports in the backpack are oriented downward.

Further, the electric air delivery device is a fan or an air pump.

Further, the fresh air filtering device further comprises a coarse filter screen, a UVC ultraviolet lamp, a photocatalyst net, an ozone catalytic decomposition module and an active carbon module which are sequentially arranged according to the air flowing direction, wherein the coarse filter screen is arranged at an air inlet of the backpack, the filter core module is arranged on the rear side or the front side of the active carbon module, the photocatalyst net is arranged on the periphery of the UVC ultraviolet lamp, the output end of the power supply is connected to the power supply end of the UVC ultraviolet lamp, and the control end of the UVC ultraviolet lamp is connected with the signal output end of the controller;

fresh air filter's air inlet department be provided with the first sense terminal of pollution detection device, fresh air filter's air outlet department be provided with the second sense terminal of pollution detection device, power supply be connected with battery power detection device, power supply's output be connected to pollution detection device and battery power detection device's power end respectively, pollution detection device and battery power detection device's signal output part be connected with the signal input part of controller respectively.

Furthermore, a bidirectional sound amplifying device is arranged in the hard guard ring, the bidirectional sound amplifying device comprises a first receiver, a first audio amplifier, a second receiver and a second audio amplifier, the first receiver is arranged at the outer side of the hard guard ring, the signal output end of the first receiver is connected with the signal input end of the first audio amplifier through a wire, a first loudspeaker is arranged at the inner side of the hard guard ring, and the signal output end of the first audio amplifier is connected with the signal input end of the first loudspeaker through a wire;

the second receiver is arranged on the inner side of the hard guard ring, a signal output end of the second receiver is connected with a signal input end of a second audio amplifier through a lead, a second loudspeaker is arranged on the outer side of the hard guard ring, and a signal output end of the second audio amplifier is connected with a signal input end of the second loudspeaker through a lead;

the control ends of the first audio amplifier and the second audio amplifier are both connected with the signal output end of the controller;

the output end of the power supply is connected to the power supply ends of the first telephone receiver, the second telephone receiver, the first audio amplifier, the second audio amplifier, the first loudspeaker and the second loudspeaker.

Compared with the prior art, the utility model, its effect is positive and obvious. The backpack device with the neck hard guard ring of the utility model is internally provided with an electric gas transmission device, a fresh air filtering device and an air conditioning device; when the hard guard ring is connected with the helmet through the interface structure, viruses can be effectively isolated; fresh air filter equipment and air conditioning equipment can be for the helmet endogenous source constantly input filter and the fresh air after the temperature and humidity control, have not only improved the protection dynamics and have eliminated the user simultaneously and have worn the discomfort that goggles and gauze mask brought, have eliminated moreover that wear the goggles or glasses that the humid hot-air of exhalation that the gauze mask arouses for a long time leads to and produce vapor and fuzzy, influence the puzzlement of sight, and it is convenient, comfortable to dress moreover.

Drawings

Fig. 1 is a front view of the backpack device with a neck rigid retainer ring according to the present invention.

Fig. 2 is a schematic side view of the backpack device with a neck rigid retainer ring according to the present invention.

Fig. 3 is a rear view of the backpack device with a neck rigid retainer ring according to the present invention.

Fig. 4 is a schematic view of a connecting structure between the hard guard ring and the helmet in the back pack with the neck hard guard ring according to the present invention.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and embodiments, but the present invention is not limited to this embodiment, and the protection scope of the present invention should be included in all similar structures and similar variations thereof.

Example 1

As shown in fig. 1, fig. 2, fig. 3 and fig. 4, the backpack device with the neck rigid retainer ring of the present invention comprises a backpack 2 and a rigid retainer ring 1, the rigid retainer ring 1 is connected to one side of the backpack 2, an air inlet 7 is arranged at one side of the rigid retainer ring 1 connected to the backpack 2, an air channel 8 is arranged in the rigid retainer ring 1, an upward air outlet 9 is arranged on the rigid retainer ring 1, the air outlet of the backpack 2 is communicated with the air inlet 7 of the rigid retainer ring 1 through a pipeline, and the air outlet of the backpack 2, the air channel 8 and the air outlet 9 on the rigid retainer ring 1 are sequentially communicated;

the upper part of the hard guard ring 1 is provided with an interface structure and a soft sealing ring 10, and the lower part of the hard guard ring 1 is provided with a connecting structure and a soft cushion block;

an electric gas transmission device and a fresh air filtering device are arranged in the backpack 2, and a filtering core module is arranged in the fresh air filtering device;

the backpack 2 is provided with a power supply, and the output end of the power supply is connected to the power end of the electric gas transmission device.

After a user carries the backpack 2 on his back, the hard guard ring 1 is fixedly sleeved on the neck of the user, the interface structure on the upper part of the hard guard ring 1 is used for clamping the helmet 3, the soft sealing ring 10 is positioned between the interface 11 of the hard guard ring 1 and the helmet 3, the interface 11 of the helmet 3 is inserted into the hard guard ring 1, and the soft sealing ring 10 is compressed tightly to seal the hard guard ring. Because the helmet 3 is connected with the hard retainer 1 through the interface structure, the helmet 3 can be easily detached and replaced without affecting the use of users in non-polluted environment. The connecting structure is used for connecting the hard guard ring 1 with a cape, a medical protective suit or an air conditioning suit 4, and the soft cushion block is supported at the shoulder position of a user.

The helmet 3 is clamped on the upper part of the hard retainer 1, and when the lower part of the hard retainer 1 is connected with a cloak cape through a connecting structure, a sealed environment is formed on the head of a user and is isolated from the external environment, or the helmet 3 is clamped on the upper part of the hard retainer 1, when the lower part of the hard retainer 1 is connected with a protective suit or an air-conditioning suit 4 through the connecting structure, air in the helmet enters the protective suit or the air-conditioning suit 4 through a gap of the neck, and a sealed environment is formed on the body and the head of the user and is isolated from the external environment.

The air outlet of the hard guard ring 1 with the inner side facing upwards can blow fresh air to the inner surface of the full-wrapping helmet 3, so that when the temperature is cold, water vapor is condensed on the inner surface of the helmet 3 to block the sight of a user.

the thread clamping structure comprises internal threads arranged on the hard retainer 1 and a first limiting bayonet lock;

the lower part of the helmet 3 is provided with a connector 11, and the connector 11 of the helmet 3 is provided with an external thread and a limit notch. When the interface 11 of helmet 3 is pegged graft on stereoplasm protective shroud 1 and when rotatory according to the screw thread direction, in the interface 11 external screw thread screw in stereoplasm protective shroud 1 of helmet 3, when helmet 3 rotated to the limited position, in the first spacing bayonet lock top on the stereoplasm protective shroud 1 goes into the spacing breach on the interface 11 of helmet 3, the reverse back-spin of restriction helmet 3, helmet 3 is fixed in on the stereoplasm protective shroud 1 promptly. When the helmet 3 needs to be taken down, the first limiting bayonet lock on the hard guard ring 1 is pulled out from the limiting notch on the interface 11 of the helmet 3, the first limiting bayonet lock does not limit the reverse rotation of the helmet 3 any more, and the helmet 3 can be taken down by reversely rotating the helmet 3.

The upset joint structure including set up at the semicircular rotating shaft earflap at 1 rear portion of stereoplasm protective ring and set up the spacing bayonet lock of second in 1 anterior portions of stereoplasm protective ring.

The rear part of the interface 11 of the helmet 3 is provided with a clamping rotating pin, and the front part of the interface 11 of the helmet 3 is provided with a limiting notch. After the joint that the 11 rear portions of interface that hook helmet 3 stretched out of semicircular rotating shaft earmuff revolves the round pin, helmet 3 uses the joint at rear portion to revolve round pin as the pivot promptly, to 1 direction rotation of stereoplasm protective shroud, when helmet 3 rotated the limited position, the spacing bayonet lock of the second of 1 front portions of stereoplasm protective shroud was in the anterior spacing breach of interface 11 of helmet 3, helmet 3 was fixed to on the stereoplasm protective shroud 1 promptly. When the helmet 3 needs to be loosened, the second limiting bayonet lock on the hard guard ring 1 is pulled open, so that the limiting notch at the front part of the interface 11 of the helmet 3 is not clamped by the second limiting bayonet lock any more, then the clamping rotating pin at the rear part of the helmet 3 is taken as a rotating shaft, the helmet 3 is rotated upwards, and then the clamping rotating pin at the rear part of the interface 11 of the helmet 3 is pulled out from the semicircular rotating shaft guard ear at the rear part of the hard guard ring 1, so that the helmet 3 can be detached;

through the electronic gas transmission device in knapsack 2, new trend filter equipment and air conditioning equipment, under the condition that can effectively keep apart the virus, for 3 endogenous sources of helmet constantly input filter and the fresh air after the temperature and humidity control, the discomfort that the user worn goggles and gauze mask and brought has been eliminated simultaneously, it produces vapor and is fuzzy to have eliminated the goggles that the humid hot air of exhalation that wear the gauze mask for a long time and arouse or the lens of wearing glasses user, influence the puzzlement of sight, moreover, it is convenient to dress, comfortable.

The air conditioning device can adjust the temperature and humidity of the air introduced into the helmet 3. The semiconductor refrigerator adjusts the temperature of the filtered air, and the first radiating fin can radiate redundant heat (cold) to the air outside the backpack. When the temperature is high in summer, the air is refrigerated, excessive moisture in the air is removed, the excessive moisture in the air can be condensed on the second radiating fin to form condensate water, the condensate water flows downwards onto the first radiating fin through the pipe, the first radiating fin evaporates the condensate water, the heat dissipation capacity can be increased, the condensate water formed on the second radiating fin does not need to be stored, or the condensate water on the second radiating fin flows into the funnel and flows into the water tank through the pipe to be stored. In winter, when the temperature is low, the air is heated, the ultrasonic humidifier humidifies the air, and the water tank supplies water to the ultrasonic humidifier, so that a comfortable environment is maintained in the helmet 3.

The semiconductor refrigerator is a heat pump, which has the advantages of no sliding part, limited space, high reliability and no refrigerant pollution, and uses the Peltier effect of semiconductor material. The semiconductor refrigerator is a heat transfer tool, when an N-type semiconductor material and a P-type semiconductor material are connected into a thermocouple and direct current flows through the thermocouple, heat transfer is generated between two ends, and the heat is transferred from one end to the other end, so that temperature difference is generated to form a cold end and a hot end. Because the semiconductor itself presents a resistance, heat is also generated when current passes through the semiconductor, thereby affecting heat transfer. The cold end and the hot end are separated through the heat insulation structure, and the large temperature difference at the two ends of the semiconductor refrigerator can be realized by adopting heat dissipation (cold dissipation) and other modes at the hot end (cold end). The cold and hot ends of the semiconductor refrigerator are reversible, when current flows from the A end of the conducting wire to the B end of the conducting wire, the front surface of the semiconductor refrigerator is hot and the back surface of the semiconductor refrigerator is cold, and when current flows from the B end of the conducting wire to the A end of the conducting wire, the back surface of the semiconductor refrigerator is hot and the front surface of the semiconductor refrigerator is cold. Because of the above characteristics, the semiconductor refrigerator is well suited for use in air conditioning devices.

Temperature and humidity sensors in the air conditioning device are used for detecting the temperature and humidity of air supplied to the helmet 3, and the appropriate temperature and humidity of the air in the helmet 3 are guaranteed.

Specifically, the power supply is composed of a battery, the battery is a rechargeable battery, and a shell is wrapped outside the power supply.

Furthermore, an annular soft leather diaphragm 6 with holes is arranged in the hard retainer 1, and radial wave-shaped diversion grooves are arranged on the annular soft leather diaphragm 6. The annular soft leather diaphragm 6 with the hole is clamped at the neck of a user, the radial wave-shaped diversion grooves form diversion channels when the annular soft leather diaphragm 6 is attached to the neck, and air in the helmet is discharged into the protective clothing or the air-conditioning clothing 4 through the diversion channels and then is discharged from gaps on the protective clothing or the air-conditioning clothing 4.

The connecting structure of the annular hoop comprises a hard guard ring and the hoop arranged outside the hard guard ring, and when the collar part of the cape, the protective clothing or the air conditioning clothing is tightly fixed on the hard guard ring by the hoop, the cape, the protective clothing or the air conditioning clothing is fixed with the hard guard ring into a whole.

Further, the backpack 2 is made of engineering plastics, and the backpack 2 is of a semi-rigid structure; when the user is impacted in the back direction or the back lands on the ground, the backpack 2 can effectively absorb the impact force in the back direction;

the backpack 2 is a multi-section soft connecting structure, the multi-section soft connecting structure comprises a plurality of joints distributed along the longitudinal direction of a body, and any two adjacent joints are connected by a soft structure 5 so as not to hinder the user from bending down and other activities; the shape of the back-attaching side of the backpack 2 is matched with the shape of the back of a user so as to ensure the comfort of the backpack 2;

all the ports in the backpack 2 are arranged to face downwards;

further, the electric air delivery device is a fan or an air pump.

Further, the fresh air filtering device further comprises a coarse filter screen, a UVC ultraviolet lamp, a photocatalyst net, an ozone catalytic decomposition module and an active carbon module which are sequentially arranged according to the air flowing direction, wherein the coarse filter screen is arranged at an air inlet of the backpack 2, the filter core module is arranged on the rear side or the front side of the active carbon module, the photocatalyst net is arranged on the periphery of the UVC ultraviolet lamp, the output end of the power supply is connected to the power supply end of the UVC ultraviolet lamp, and the control end of the UVC ultraviolet lamp is connected with the signal output end of the controller;

Because the problem that saturation became invalid after filter core, the active carbon among the new trend filter equipment had the use, so filter core and active carbon part design are modular structure, can change filter core module and active carbon module according to the in service behavior to guarantee breathing air's cleanness. Pollution detection device preferably adopts the laser particle counter among the prior art, can select formaldehyde sensor, nitrogen oxide sensor, ozone sensor etc. simultaneously, confirms the pollution degree of filter element module and active carbon module through detecting the gaseous state organic matter in the air before and after filtering, oxynitride and particulate matter, estimates the residual time to feed back the user with corresponding condition.

Furthermore, a bidirectional sound amplifying device is arranged in the hard guard ring 1, the bidirectional sound amplifying device comprises a first receiver, a first audio amplifier, a second receiver and a second audio amplifier, the first receiver is arranged at the outer side of the hard guard ring 1, a signal output end of the first receiver is connected with a signal input end of the first audio amplifier through a wire, a first loudspeaker is arranged at the inner side of the hard guard ring 1, and a signal output end of the first audio amplifier is connected with a signal input end of the first loudspeaker through a wire;

the second receiver is arranged on the inner side of the hard guard ring 1, the signal output end of the second receiver is connected with the signal input end of a second audio amplifier through a lead, a second loudspeaker is arranged on the outer side of the hard guard ring 1, and the signal output end of the second audio amplifier is connected with the signal input end of the second loudspeaker through a lead;

The bidirectional sound amplifying device can amplify external sound, the external sound is transmitted to the first loudspeaker through the first telephone receiver and the first audio amplifier, so that a user can normally hear the external sound, and meanwhile, the sound emitted by the user is transmitted to the second loudspeaker through the second telephone receiver and the second audio amplifier, so that the external sound can hear the sound emitted by the user; the bidirectional sound amplifying device enables a user to normally communicate with the outside, and avoids hearing outside dangerous sounds.

The bidirectional sound amplification device can also be used for prompting and alarming at the same time, the pollution detection device detects the pollution degree of the air filter element module and the active carbon module, the pollution detection device and the battery power detection device detect and feed back to the controller at regular time, and then the alarm or prompt signals are sent to a user through the controller, the first audio amplifier and the first loudspeaker to prompt the residual working time of the air filter element module and the active carbon module, the residual power and the residual working time of the power supply, and alarm is given when other devices go wrong. The controller can be a single chip microcomputer, a programmable logic gate or a PLC, an input interface of the controller is connected with an input key switch through a lead, the input key switch is arranged at a strap of the backpack 2, an external control signal is provided for the controller, the temperature can be adjusted, and each device or module can be turned on or off, for example, the controller can turn off the first audio amplifier or the second audio amplifier to avoid external sound interference or prevent internal sound from interfering the outside.

The battery is arranged in the backpack 2, so the battery can be made very large, and sufficient electric energy supply can be provided for a fresh air filtering device, an air conditioning device and the like. The protective shell outside the power supply can avoid various dangerous accidents caused by batteries, particularly lithium batteries, and ensure the safety of users; the battery is made into a replacement structure, and the battery can be replaced according to the use condition. The battery can charge by external power supply simultaneously, and further guarantee has the live time of the knapsack device of neck stereoplasm protective shroud. All the ports of the backpack 2 are downward, so that the backpack 2 can be prevented from being damaged by water inflow during cleaning and disinfection.

Specifically, the backpack 2, the hard guard ring 1, the soft cushion block, the interface structure, the soft sealing ring 10, the connection structure, the airtight zipper, the annular clamp, the soft cushion block, the helmet 3, the cape, the medical protective clothing, the air conditioning clothing 4, the electric gas transmission device, the controller, the filter core module, the semiconductor refrigerator, the ultrasonic humidifier, the heat sink, the water tank, the temperature and humidity sensor, the coarse filter screen, the UVC ultraviolet lamp, the photocatalyst net, the ozone catalytic decomposition module, the activated carbon module, the pollution detection device, the limit clamp pin, the semicircular rotary shaft ear guard, the clamp rotary pin, the annular soft leather film with holes, the semi-hard structure, the battery power detection device, the power supply, the receiver, the audio amplifier, the speaker, the input key switch, etc. related to this embodiment can all adopt the known technical schemes in the prior art, and those skilled in the art know well, and will not be described in detail herein.

Claims

1. The backpack device with the neck hard guard ring is characterized by comprising a backpack and the hard guard ring, wherein the hard guard ring is connected to one side of the backpack, an air inlet is formed in one side of the hard guard ring connected with the backpack, an air channel is formed in the hard guard ring, an upward air outlet is formed in the hard guard ring, the air outlet of the backpack is communicated with the air inlet of the hard guard ring through a pipeline, and the air outlet of the backpack, the air channel and the air outlet in the hard guard ring are sequentially communicated;

2. The backpack device with a neck rigid retainer according to claim 1, wherein: the upper part of the hard guard ring is connected with a fully-sealed helmet through an interface structure.

3. The backpack device with a neck rigid retainer according to claim 1, wherein: the interface structure adopts a thread clamping structure or an overturning clamping structure to be connected with the fully-sealed helmet;

4. The backpack device with a neck rigid retainer according to claim 1, wherein: the air conditioning device is internally provided with an air conditioning device, the fresh air filtering device and the air conditioning device are sequentially connected through a pipeline according to the air flowing direction, the air conditioning device is internally provided with a semiconductor refrigerator and an ultrasonic humidifier, the semiconductor refrigerator is connected with a first radiating fin and a second radiating fin, the water inlet of the ultrasonic humidifier is connected with the water outlet of the water tank, and the air conditioning device is provided with a temperature and humidity sensor;

5. The backpack device with a neck rigid retainer according to claim 1, wherein: an annular soft leather diaphragm with holes is arranged in the hard guard ring, and radial wave-shaped diversion trenches are arranged on the annular soft leather diaphragm.

6. The backpack device with a neck rigid retainer according to claim 1, wherein: the connecting structure arranged at the lower part of the hard guard ring adopts an airtight zipper or an annular hoop.

7. The backpack device with a neck rigid retainer according to claim 1, wherein: the backpack is made of engineering plastics and is of a semi-rigid structure;

all ports in the backpack are oriented downward.

8. The backpack device with a neck rigid retainer according to claim 1, wherein: the electric air delivery device is a fan or an air pump.

9. The backpack device with a neck rigid retainer according to claim 1, wherein: the fresh air filtering device further comprises a coarse filtering net, a UVC ultraviolet lamp, a photocatalyst net, an ozone catalytic decomposition module and an active carbon module which are sequentially arranged in the air flowing direction, wherein the coarse filtering net is arranged at an air inlet of the backpack, the filtering core module is arranged on the rear side or the front side of the active carbon module, the photocatalyst net is arranged on the periphery of the UVC ultraviolet lamp, the output end of the power supply is connected to the power supply end of the UVC ultraviolet lamp, and the control end of the UVC ultraviolet lamp is connected with the signal output end of the controller;

10. The backpack device with a neck rigid retainer according to claim 1, wherein: the bidirectional sound amplifying device is arranged in the hard guard ring and comprises a first receiver, a first audio amplifier, a second receiver and a second audio amplifier, wherein the first receiver is arranged on the outer side of the hard guard ring, the signal output end of the first receiver is connected with the signal input end of the first audio amplifier through a wire, a first loudspeaker is arranged on the inner side of the hard guard ring, and the signal output end of the first audio amplifier is connected with the signal input end of the first loudspeaker through a wire;