CN111558182A

CN111558182A - Personal protective device

Info

Publication number: CN111558182A
Application number: CN202010429608.1A
Authority: CN
Inventors: 鲍广喜; 刘涛; 孙马杰
Original assignee: Anhui Polytechnic University
Current assignee: Anhui Polytechnic University
Priority date: 2020-05-20
Filing date: 2020-05-20
Publication date: 2020-08-21

Abstract

The invention discloses a personal protection device, which is characterized in that: including protection hood and protective clothing, be equipped with the oxygen suppliment module in the protection hood, be equipped with air purification system in the protective clothing, outside air warp air purification system back by the pipeline lead send to in the protection hood, expired gas warp air purification system purifies the back and discharges. The personal protection device is comfortable to wear, has a good protection effect, and has strong practicability and good application prospect.

Description

Personal protective device

Technical Field

The present invention relates to the field of isolation and protection technology, and more particularly to personal protection devices.

Background

Traditional medical protection device breathes and adopts filtration formula protective facial mask, and protective clothing seals the isolation poor, dresses stifled hot protective effect not good, and it is not good to dress experience.

Disclosure of Invention

The invention aims to solve the problems in the prior art and provide a personal protection device which is comfortable to wear and has a good protection effect.

In order to achieve the purpose, the invention adopts the technical scheme that: the personal protection device provided is characterized in that: including protection hood and protective clothing, be equipped with the oxygen suppliment module in the protection hood, be equipped with air purification system in the protective clothing, outside air warp air purification system back by the pipeline lead send to in the protection hood, expired gas warp air purification system purifies the back and discharges.

In order to make the technical scheme more detailed and concrete, the invention also provides the following further preferable technical scheme to obtain satisfactory practical effect:

and a circulating ventilation system is arranged in the protective clothing.

The circulating ventilation system comprises ventilation pipelines uniformly distributed on the protective clothing, and the output air purified by the air purification system is pumped to the ventilation pipelines through an air circulating pump.

The protective suit is provided with a neck sealing zipper connected with the protective head cover, and the protective suit is also provided with a chest sealing zipper.

The oxygen outlet of the oxygen supply module is communicated to the population through an inner oxygen supply pipeline.

The protective head cap is internally provided with an external oxygen supply pipeline communicated with a nasal cavity of a person, the external oxygen supply pipeline comprises a one-way air supply port and a one-way air outlet, and the oxygen supply pipeline is internally provided with a one-way air guide valve.

The one-way air supply port is connected with the input purification outlet end of the air purification system, and the one-way air outlet is connected to the output purification inlet end of the air purification system.

The air purification system is provided with an input purification inlet end for inputting external air, and an input disinfection chamber is arranged between the input purification inlet end and the input purification outlet end.

The output purification inlet end of the air purification system is connected to the output disinfection chamber, and the output purification outlet end of the air purification system is connected to an exhaust port arranged on the protective clothing.

The lower end of the protective head cover is provided with an inflatable sealing rubber ring.

Compared with the prior art, the invention has the following advantages: the personal protection device is comfortable to wear, has a good protection effect, and has strong practicability and good application prospect.

Drawings

The contents of the drawings and the reference numerals in the drawings of the present specification will be briefly described as follows:

FIG. 1 is a schematic view of the construction of a protective head cover of the present invention;

FIG. 2 is a schematic structural diagram of a self-service oxygen supply module according to the present invention;

FIG. 3 is a schematic view of the construction of the protective garment of the present invention;

FIG. 4 is a schematic view of a protective garment of the present invention;

FIG. 5 is a schematic view of a circulating ventilation system according to the present invention;

FIG. 6 is a schematic view of an air purification system according to the present invention;

FIG. 7 is a schematic diagram of a power supply and control system of the protective clothing of the present invention.

Labeled as: 1. the oxygen supply device comprises a protective hood, 11, an oxygen supply module, 111, an oxygen production raw material cup, 112, an oxygen gasification chamber, 113, an oxygen outlet, 114, a flow control valve, 115, an electric control valve control circuit, 12, an inner oxygen supply pipeline, 13, an outer oxygen supply pipeline, 131, a one-way air supply port, 132, a one-way air outlet, 133, a one-way air guide valve, 14 and a sealing rubber ring;

2. the protective suit comprises a protective suit 21, a chest sealing zipper 22, a neck sealing zipper 23, a temperature and humidity display screen 24, a control panel 25, an air inlet 26, an air outlet 27 and an air supply connecting port;

3. the medical air purification system comprises a circulating ventilation system 31, an air purification system 311, an input purification inlet end 312, a medical air filter element 313, an input disinfection chamber 314, a purification one-way air guide valve 315, an input purification outlet end 316, an output purification inlet end 317, an output disinfection chamber 318, an output purification outlet end 319, a purification power supply circuit 320, a purification control circuit 32, an air circulating pump 33, a power supply battery 34, a power supply socket 35 and a ventilation pipeline;

4. main power supply line, 5, main control circuit, 6, fill electric pile, 7, power supply joint.

Detailed Description

The following description of the embodiments of the present invention will be made in detail with reference to the accompanying drawings.

The personal protection device comprises a protective head cover 1 and a protective clothing 2, wherein an oxygen supply module 11 is arranged in the protective head cover 1, an air purification system 31 is arranged in the protective clothing 2, external air is guided into the protective head cover 1 through a pipeline after passing through the air purification system 31, and exhaled air is purified through the air purification system 31 and then discharged. In the invention, a circulating ventilation system 3 is arranged in the protective clothing 2. The personal protection device has good wearing, using and protecting effects and good comfort.

In the present invention, as shown in fig. 5, the circulating ventilation system 3 includes ventilation ducts 35 uniformly distributed on the protective clothing 1, and the output air purified by the air purification system 31 is pumped to the ventilation ducts 35 by the air circulating pump 32. The ventilation pipeline 35 comprises main ventilation pipelines distributed to four limbs, a plurality of branch pipelines are arranged on the main ventilation pipeline, the good ventilation effect of the protective clothing is achieved through air conduction, and the wearing comfort is improved.

In the present invention, as shown in fig. 3, the protective clothing 2 is provided with a neck part sealing zipper 22 connected with the protective head cover 1, and the protective clothing 2 is also provided with a chest part sealing zipper 21. The protective suit 2 can be dismantled with the protection hood and be connected, conveniently dresses, and practical travelling comfort is good. As shown in figure 1, the lower end of the protective head cover 1 is provided with an inflatable sealing rubber ring 14 which is arranged at the joint of the protective suit 2 and the neck of the protective head cover 1 to play a role in strengthening sealing and improving the protective performance.

In the invention, the oxygen outlet 113 of the oxygen supply module 11 is communicated to the population through the inner oxygen supply pipeline 12, and the on-off is controlled by the occlusion of the population. Oxygen supply module 11 is the inside self-control oxygen part of producing of hood, the inside oxygen of this module can be safe and reliable's small-size oxygen storage tank (store with liquid oxygen or solid-state oxygen etc. form) made in advance, also can be the raw and other materials of making oxygen, come artificial control when producing oxygen and oxygen output volume size etc. according to user's demand through control circuit, the operator as long as with the work of tooth interlock form control oxygen generation module can, oxygen sends people's wearing person in the mouth through soft pipeline simultaneously, by the oral siphon can the oxygen suppliment, its structure is shown in fig. 2.

In the present invention, as shown in fig. 1, an external oxygen supply pipeline 13 communicated with the nasal cavity of a person is arranged in the protective head cover 1, the external oxygen supply pipeline 3 comprises a one-way air supply port 131 and a one-way air outlet 132, and a one-way air guide valve 133 is arranged in the oxygen supply pipeline 13. The protective suit 2 is provided with an air supply connector 27, and the air supply connector 27 is connected to the unidirectional air supply port 131 in communication with the input purge outlet 315. As shown in fig. 6, the one-way air supply port 131 is connected to the input purge outlet port 315 of the air purge system 31 through the air supply connection port 27, and the one-way air outlet port 132 is connected to the output purge inlet port 316 of the air purge system 31. The air purification system 31 is provided with an input purification inlet 311 for inputting outside air, and an input disinfection chamber 313 is arranged between the input purification inlet 311 and the input purification outlet 315. The output purge inlet port 316 of the air purge system 31 is connected to an output sterilization chamber 317 and the output purge outlet port 318 is connected to the exhaust port 26 provided on the protective suit 2. That is, the outside air enters from the air inlet 25 on the protective clothing 2 and enters from the input purification inlet 311, and is output to the one-way air supply port 131 from the input purification outlet 315 after being sterilized by the input sterilization chamber 313, and is conducted to the external oxygen supply pipeline 13 for breathing use, and meanwhile, two one-way air guide valves 133 are sequentially arranged in the external oxygen supply pipeline 13 to control one-way leading-in and one-way leading-out. The air exhaled from the one-way air outlet 132 is introduced into the air purification system 31 through the output purification inlet end 316, passes through the output sterilization chamber 317, and is then guided to the air outlet 26 through the output purification outlet end 318 for being exhausted. Corresponding purification one-way gas guiding valves 314 are arranged on the input and output channels of the air purification system 31 to ensure that the gas is guided in or out in one direction according to the flow direction; the medical air filter element 312 is arranged in the pipeline of the input purification inlet end 311, so that the purification degree of input air is further improved, and aseptic treatment is met.

In the present invention, as shown in fig. 2, the oxygen supply module 11 includes an oxygen making raw material cup 111 and an oxygen gasification chamber 112 for storing oxygen, the oxygen gasification chamber 112 is provided with an oxygen outlet 113, the oxygen outlet 113 is connected to the internal oxygen supply pipeline 12 for providing oxygen for breathing, a flow control valve 114 is arranged on the oxygen output pipeline, the flow control valve 114 is connected to an electrically controlled valve control circuit 115, and the opening of the flow control valve 114 is controlled by electrically controlling adjustment.

This novel protector adopts a small amount of inside oxygen suppliment and the clean gaseous combination of outside filtration that lasts, can be by the user according to the dangerous grade of handling the scene, and the autonomic decision breathes inside from system oxygen, still breathes the clean gas after the outside filtration disinfection, and is more nimble convenient, and protective clothing embeds air circulation system, can effectively reduce vexed hotness, is bringing more comfortable wearing experience for dressing.

This protector belongs to medical protection isolation technology application fields such as medical care, mainly uses and carries out the infectious disease protection of spreading through breathing the droplet, can provide safe protection and comfortable wearing experience for the first-line medical personnel of epidemic prevention. The device consists of two parts: the protective head cover 1 and the protective clothing 2 can be used separately or integrally. The oxygen supply module is arranged in the hood, and the oxygen supply module adopts an oral breathing and nasal breathing mode, so that the requirements of clean oxygen inhalation operation under an anaerobic environment, a smoke environment, a high-risk virus environment and a harmful gas environment within 30 minutes can be met. The protective clothing is internally provided with an air circulation system, a filter screen, a sterilization room and the like, and can provide the requirement of breathing clean air in a polluted gas environment for a long time. The effect is better when protective head cover 1 and protective clothing 2 are fit for the use, can be by the wearing personnel according to the external environment condition, and the inside oxygen generation of breathing helmet is independently decided, still breathe the clean air who has handled through filtration antivirus etc. provides a better safe life respiratory guarantee for the medical personnel of vast epidemic prevention first-line and the fire control officer and soldier on the fire fighting line.

The protective head cover 1 has the structure as shown in figure 1, has the function of covering the head and providing a closed environment to separate the head from the outside, is internally provided with a self-service oxygen supply device for a wearer to use, and adopts a mouth breathing and nose breathing mode. The closed hood is of a spherical helmet type structure, an observation window made of transparent materials is reserved at the eye part, a clamping groove for placing an oxygen supply module 11 and an inner oxygen supply pipeline 12 are arranged at the top, an inflatable soft sealing rubber ring 14 is arranged at the neck, and a fluffy ventilating liner for protecting the head is arranged in the hood.

The oxygen supply module 11 is a self-control oxygen production part inside the hood. The oxygen in the module can be a small oxygen storage tank (stored in the form of liquid oxygen or solid oxygen) which is made in advance safely and reliably, and can also be an oxygen generation raw material, and the oxygen generation time and the oxygen generation amount can be artificially controlled by a control circuit according to the requirements of a user. The operator only needs to control the oxygen generation module to work in a tooth occlusion mode, meanwhile, oxygen is delivered into the mouth of a wearer through the soft pipeline and is inhaled from the mouth to supply oxygen, and the structure of the oxygen generation module is shown in figure 2.

The protective clothing structure is as shown in fig. 3 and 4, and has the functions of filtering, sterilizing and disinfecting the gas in the external environment and sending the purified air to the air supply pipeline for the wearer to breathe. Meanwhile, a set of air circulation ventilation device is arranged in the clothes hanger, so that the effects of heat removal and moisture dissipation are achieved, and more comfortable wearing experience is provided for a wearer. The outer protective clothing is made of special materials, can be waterproof, prevent static, prevent fires, insulate against heat, protect against radiation, and the leakproofness is good, and built-in temperature and humidity sensor shows the humiture on the temperature and humidity display screen 23 in front of the clothes in real time, still is equipped with control panel 24 that the control opened and stopped on protective clothing 2.

The air purification system is structured as shown in fig. 6. The external air is firstly taken as a filter screen by the medical air filter element 312, then is input into the disinfection chamber 313 (a cylindrical ultraviolet disinfection pipeline can be selected), and is sent into the human body for breathing after being sterilized by a section of disinfection pipeline. The gas discharged from human body enters another path of ultraviolet, high temperature and alcohol sterilization and then is discharged. The air inlet pipeline and the air outlet pipeline are both provided with a purification one-way air guide valve 314, the inflow and outflow directions of air are strictly controlled, and the air can freely enter and exit by being powered by one air circulating pump in the whole process.

The circulating ventilation system is structured as shown in fig. 5. The purified air is sent to a ventilation distribution system of the protective clothing by an air circulation pump, the air is blown to the part of the body which is easy to heat and sweat, a gas dehumidifying and cooling net is formed, and finally the purified air is discharged out of the protective clothing through a discharge port 226 of a uniform one-way filter pipeline net port.

The protective head cover and the protective clothing are separately used:

the user of the protective hood should arrange the oxygen supply module in the reserved clamping groove of the hood in advance, and the control circuit, the oxygen outlet and the pipeline arranged in the hood are connected well, so that the oxygen output amount and the sensitivity of the oxygen supply module can be manually debugged. Then the head cover is sleeved on the head, and the neck sealing collar is inflated to seal the head and isolate the head from outside air. The oxygen output of the oxygen module is controlled by the biting of teeth, oxygen is inhaled through the buccal oxygen inhalation pipeline, and then the air exhaled by the nasal cavity is discharged through the one-way check valve.

The protective clothing is used for checking whether the protective clothing is intact or not and whether the protective clothing is damaged or not, replacing a new portable battery module, starting a power supply button, and checking whether systems such as air purification and air circulation are normal or not. If the operation is normal, the upper body can be worn, and after the integrated protective suit is worn completely, the user can pull up the integrated protective suit from the chest sealing zipper 21 in front of the chest by himself to realize closed isolation. The simple closed respirator is put through the air suction pipeline and the air expiration pipeline provided by the protective clothing to the head part to be worn, and then the assembly and the wearing are completed. The system start button located in front of the chest is manually operated, the air purification and circulation system of the protective clothing starts to work, external air is sucked, and through the protective filter screen and the ultraviolet disinfection pipeline, breathable clean air is generated and sent to a breathing mask of a wearer for breathing. Meanwhile, a part of the sterilized and purified air is sent to the air circulation net by the air circulation pump to dehumidify and cool the inside of the protective clothing. The exhaled gas and the like are discharged out of the protective clothing through the filtering, sterilizing and disinfecting port of the one-way check valve.

The protective head cover and the protective clothing are integrated into a whole for use: after the independent use methods are checked to be free of problems, the protective cover is connected with a power supply and air supply system of the protective suit, an air supply connecting port 27 of the protective suit is connected with a one-way air supply port 131 in the head cover, and the neck part of the head cover and a neck part sealing zipper 22 reserved at the neck part of the protective suit are well connected.

After the preparation work is done, the operator can wear the conjoined protective clothing and wear the protective hood by himself, and the sealed zipper at the neck is zipped and the safety lock catch is closed. And starting a system power supply button, sucking external air by the protective clothing, and sending the processed clean air to an air supply port of the nasal cavity respirator in the hood for people to inhale. Can be by the switch of this gas supply line of operating personnel manual control this moment, decide to breathe through the gas that purifies, still by the gaseous of the oxygen module supply of mouthful inhaling, switch in a flexible way, convenient to use. The self-help oxygen supply hood is suitable for self-help oxygen supply from the interior of the hood when the external gas environment is extremely severe, and clean gas which is sterilized, disinfected, filtered and purified is supplied to a person for breathing by the protective clothing when the external environment is better. The protective suit is embedded with a power supply line and a control line, and the power supply line can transmit a power supply battery or external electric energy to the embedded core control panel, the temperature and humidity display screen, the operation panel, the ultraviolet filtering sterilization chamber, the air pump and other parts of the whole system. The control circuit sends control commands to the low-voltage power supply battery pack, the filtering and sterilizing chamber, the air supply pump and the ventilation air pump by the embedded core control panel so as to adjust the work of each component by panel operation. The whole structure of the power supply and control system of the protective clothing is shown in figure 7.

The protective device has two selectable modes of internal self-control oxygen supply and external filtering sterilization oxygen supply, and can be used for automatically determining to breathe internal self-oxygen supply or breathe clean gas after external filtering and disinfection by a wearer. And the protective clothing is internally provided with an air circulation system, so that stuffiness can be effectively reduced. The problem that safe and clean oxygen cannot be breathed in medical care, fire-fighting and disaster-relief occasions such as toxic and harmful gases of patients with high risk of infectious diseases is solved, and safe breathing guarantee is provided for workers at the same time by adopting forms such as self-control oxygen supply inside or filtration of sterilized outside air.

The personal protection device is comfortable to wear, has a good protection effect, and has strong practicability and good application prospect.

The invention has been described above with reference to the accompanying drawings, but the invention is not limited to the above-described embodiments, and it is within the scope of the invention to use various insubstantial modifications of the inventive concept and solutions or to apply them directly to other applications.

Claims

1. A personal protective device, characterized by: including protection hood and protective clothing, be equipped with the oxygen suppliment module in the protection hood, be equipped with air purification system in the protective clothing, outside air warp air purification system back by the pipeline lead send to in the protection hood, expired gas warp air purification system purifies the back and discharges.

2. The personal protective device of claim 1, wherein: and a circulating ventilation system is arranged in the protective clothing.

3. The personal protective device of claim 2, wherein: the circulating ventilation system comprises ventilation pipelines uniformly distributed on the protective clothing, and the output air purified by the air purification system is pumped to the ventilation pipelines through an air circulating pump.

4. The personal protective device of claim 1, wherein: the protective suit is provided with a neck sealing zipper connected with the protective head cover, and the protective suit is also provided with a chest sealing zipper.

5. The personal protective device of claim 1, wherein: the oxygen outlet of the oxygen supply module is communicated to the population through an inner oxygen supply pipeline.

6. The personal protective device of claim 5, wherein: the protective head cap is internally provided with an external oxygen supply pipeline communicated with a nasal cavity of a person, the external oxygen supply pipeline comprises a one-way air supply port and a one-way air outlet, and the oxygen supply pipeline is internally provided with a one-way air guide valve.

7. The personal protective device of claim 6, wherein: the one-way air supply port is connected with the input purification outlet end of the air purification system, and the one-way air outlet is connected to the output purification inlet end of the air purification system.

8. The personal protective device of claim 7, wherein: the air purification system is provided with an input purification inlet end for inputting external air, and an input disinfection chamber is arranged between the input purification inlet end and the input purification outlet end.

9. The personal protective device of claim 8, wherein: the output purification inlet end of the air purification system is connected to the output disinfection chamber, and the output purification outlet end of the air purification system is connected to an exhaust port arranged on the protective clothing.

10. The personal protective device of claim 1, wherein: the lower end of the protective head cover is provided with an inflatable sealing rubber ring.