NL2035101B1 - Personal protective device - Google Patents

Abstract

Disclosed is a personal protective device, which includes a protective hood and a protective suit. The protective hood is provided with an oxygen supply module therein, 5 and the protective suit is provided with an air purification system therein. External air is channeled through the air purification system to the protective hood via a pipeline, and exhaled air is purified by the air purification system and then discharged. The personal protective device of the present disclosure has a comfortable wearing experience, good protective effects, strong practicability, and a good application 10 prospect.

Description

PERSONAL PROTECTIVE DEVICE

TECHNICAL FIELD

[01] The present disclosure falls within the technical field of isolation protection, and more particularly relates to a personal protective device.

BACKGROUND ART

[02] The traditional medical protective devices use filter protective masks for breathing, have protective suits with poor sealing isolation, and are stuffy and poorly protected, so the wearing experience is not good.

SUMMARY

[03] An object of the present disclosure is to solve problems existing in the prior art and provide a personal protective device which is comfortable to wear and has good protective effects.

[04] In order to achieve the above-mentioned object, technical solutions adopted by the present disclosure are as follows. The personal protective device includes a protective hood and a protective suit, where the protective hood is provided with an oxygen supply module therein, and the protective suit is provided with an air purification system therein; the air purification system is connected to a humidification system, external air is channeled through the air purification system and the humidification system to the protective hood via a pipeline, and exhaled air is purified by the air purification system and then discharged.

[05] In order to make the above-mentioned technical solutions more detailed and specific, the present disclosure further provides the following further preferred technical solutions, so as to obtain satisfactory practical effects.

[06] The protective suit is provided with a circulating ventilation system.

[07] The circulating ventilation system includes ventilation ducts uniformly distributed on the protective suit, and output air purified by the air purification system is pumped to the ventilation ducts by an air circulation pump.

[08] The protective suit is provided with a neck sealing zipper connected to the protective hood, and the protective suit is further provided with a chest sealing zipper.

[09] An oxygen outlet of the oxygen supply module is communicated to the mouth of a person through an internal oxygen supply duct.

[10] The protective hood is provided with an external oxygen supply duct which 1s communicated with the nasal cavity of a person, the external oxygen supply duct includes a one-way air supply port and a one-way air outlet port, and the external oxygen supply duct is provided with one-way air guiding valves.

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

[12] The air purification system 1s provided with an input purification inlet end for inputting external air, and an input disinfection chamber is provided between the input purification inlet end and the input purification outlet end.

[13] The output purification inlet end of the air purification system is connected to an output disinfection chamber, and an output purification outlet end is connected to an air outlet port provided on the protective suit.

[14] An inflatable sealing rubber ring is provided at the lower end of the protective hood.

[15] Compared with the prior art, the present disclosure has a comfortable wearing experience, good protective effects, strong practicability, and a good application prospect.

BRIEF DESCRIPTION OF THE DRAWINGS

[16] The contents expressed in the drawings of the present description and the marks in the drawings are briefly described as follows.

[17] FIG. 1 is a schematic diagram of a structure of a protective hood of the present disclosure;

[18] FIG. 2 is a schematic diagram of a structure of a self-service oxygen supply module of the present disclosure;

[19] FIG. 3 is a schematic diagram of a structure of a protective suit of the present disclosure;

[20] FIG. 4 is a schematic diagram of a structure of a protective suit of the present disclosure;

[21] FIG. 5 is a schematic diagram of a structure of a circulating ventilation system of the present disclosure;

[22] FIG. 6 1s a schematic diagram of a structure of an air purification system of the present disclosure; and

[23] FIG. 7 is a schematic diagram of a structure of a power supply and a control system of a protective suit of the present disclosure.

[24] Marks in the drawings are as follows: 1, protective hood; 11, oxygen supply module; 111, raw material cup of oxygen production; 112, oxygen vaporizing chamber; 113, oxygen outlet; 114, flow control valve; 115, electric-control-valve control circuit; 12, internal oxygen supply duct; 13, external oxygen supply duct; 131, one-way air supply port; 132, one-way air outlet port; 133, one-way air guiding valve; and 14, sealing rubber ring;

[25] 2, protective suit; 21, chest sealing zipper; 22, neck sealing zipper; 23, temperature and humidity display screen; 24, control panel; 25, air inlet; 26, air outlet; and 27, air supply connection port;

[26] 3, circulating ventilation system; 31, air purification system; 311, input purification inlet end; 312, medical air filter cartridge; 313, input disinfection chamber; 314, one-way purification air guide valve; 315, input purification outlet end; 316, output purification inlet end; 317, output disinfection chamber; 318, output purification outlet end; 319, purification power supply circuit, 320, purification control line; 32, air circulation pump; 33, power supply battery; 34, power supply socket; and 35, ventilation duct;

[27] 4, main power supply line; 5, main control line; 6, charging pile; and 7, power supply connector.

DETAILED DESCRIPTION OF THE EMBODIMENTS

[28] According to the drawings, detailed description is further illustrated through descriptions of the embodiments.

[29] A personal protective device of the present disclosure, as shown in FIG. 1,

FIG. 3 and FIG. 4, includes a protective hood 1 and a protective suit 2, where the protective hood 1 is provided with an oxygen supply module 11 therein, and the protective suit 2 is provided with an air purification system 31 therein; the air purification system 31 is connected to a humidification system, external air is channeled through the air purification system 31 and the humidification system to the protective hood 1 via a pipeline, and exhaled air is purified by the air purification system 31 and then discharged. The protective suit 2 is provided with a circulating ventilation system 3. The personal protective device has a comfortable wearing experience and good protective effects.

[30] The circulating ventilation system 3 of the present disclosure, as shown in

FIG. 5, includes ventilation ducts 35 uniformly distributed on the protective suit 2, and output air purified by the air purification system 31 is pumped to the ventilation ducts 35 by an air circulation pump 32. The ventilation ducts 35 include main ventilation ducts distributed to limbs, and a plurality of branch ducts are provided on the main ventilation ducts, so as to achieve good ventilation effects of the protective suit 2 through air ventilation and improve wearing comfort.

[31] The protective suit 2 of the present disclosure, as shown in FIG. 3, is provided with a neck sealing zipper 22 connected to the protective hood 1, and the protective suit 2 is further provided with a chest sealing zipper 21. The protective suit 2 is detachably connected to the protective hood 1, which makes the protective hood 1 and the protective suit 2 convenient to wear and has strong practicability and improved wearing comfort. As shown in FIG. 1, a lower end of the protective hood 1 is provided with the inflatable sealing rubber ring 14, which is provided at the connection between the protective suit 2 and the neck of the protective hood 1, and serves to strengthen sealing and improve the protective performance. 5 [32] In the present disclosure, the oxygen outlet 113 of the oxygen supply module 11 is connected to the mouth of a person through the internal oxygen supply duct 12, and the on-off is controlled by biting. The oxygen supply module 11 is a self-made oxygen production part inside the hood, where oxygen inside the oxygen supply module 11 may be stored in a safe and reliable small oxygen storage tank (in the form of liquid oxygen or solid oxygen, etc.) prepared in advance, and may also be oxygen production raw materials used to produce oxygen, which is manually controlled by a control circuit to determine the time of oxygen production and the amount of oxygen output according to the user's requirements; operators control the operation of the oxygen supply module 11 by biting, at the same time, oxygen is delivered into the mouth of the wearers through a soft duct, oxygen is supplied by mouth inhalation, and a structure thereof is as shown in FIG. 2.

[33] The protective hood 1 of the present disclosure, as shown in FIG. 1, is provided with an external oxygen supply duct 13 which is communicated with the nasal cavity of a person, the external oxygen supply duct 3 includes a one-way air supply port 131 and a one-way air outlet port 132, and the external oxygen supply duct 13 is provided with one-way air guiding valves 133. An air supply connection port 27 is provided on the protective suit 2, and the air supply connection port 27 is communicated with an input purification outlet end 315 and is connected to the one- way air supply port 131. As shown in FIG. 6, the one-way air supply port 131 is connected to the input purification outlet end 315 of the air purification system 31 via the air supply connection port 27, and the one-way air outlet port 132 is connected to an output purification inlet end 316 of the air purification system 31. The air purification system 31 is provided with an input purification inlet end 311 for inputting external air, and an input disinfection chamber 313 is provided between the input purification inlet end 311 and the input purification outlet end 315. The output purification inlet end 316 of the air purification system 31 is connected to an output disinfection chamber 317, and an output purification outlet end 318 is connected to an air outlet 26 provided on the protective suit 2. That is to say, external air enters the input purification inlet end 311 through an air inlet 25 on the protective suit 2, enters the one-way air supply port 131 through the input purification outlet end 315 after being sterilized by the input disinfection chamber 313, and is conducted to the external oxygen supply duct 13 for respiration; at the same time, two one-way air guiding valves 133 are successively provided in the external oxygen supply duct 13 to control one-way input and one-way output. Exhaled air from the one-way air outlet port 132 is input into the air purification system 31 through the output purification inlet port 316, and input into the air outlet 26 through the output purification outlet port 318 after passing through the output disinfection chamber 317. Respective one-way purification air guide valves 314 are provided on input and output channels of the air purification system 31 to ensure that air is input or output in one direction according to the flow direction; a medical air filter cartridge 312 is provided in the input purification inlet end 311 to further increase the purification degree of the input air to realize the sterilization treatment.

[34] The oxygen supply module 11 of the present disclosure, as shown in FIG. 2, includes a raw material cup of oxygen production 111 and an oxygen vaporizing chamber 112 for storing oxygen, where the oxygen vaporizing chamber 112 is provided with an oxygen outlet 113 connected to the internal oxygen supply duct 12 to provide oxygen for respiration; the flow control valve 114 on oxygen output line is connected to an electric-control-valve control circuit 115, and the size of opening of the flow control valve 114 is controlled by electric control adjustment.

[35] This new protective device combines a small amount of internal oxygen supply with continuous external filtrated clean air supply, which is more convenient and flexible for users to determine whether to breathe the internal self-made oxygen or the clean air after external filtration disinfection according to the hazard level on the treatment site. In addition, the protective suit has an internal air circulation system, which may effectively reduce the stuffy feeling and bring more comfortable wearing experience to wearers.

[36] A structure of the protective hood 1 is as shown in FIG. 1. A function of the protective hood 1 is to cover the head and provide a closed environment, so that the head is isolated from the outside. A self-service oxygen supply device is provided inside, which is used by wearers. The breathing adopts a method of oral inhalation and nasal exhalation. The closed hood adopts a spherical helmet structure with observation windows made of transparent materials at the eye part; a groove for placing the oxygen supply module 11 and the internal oxygen supply duct 12 are provided on top of the protective hood 1; the inflatable soft sealing rubber ring 14 is provided on the neck part, and a fluffy ventilation pad is provided inside the protective hood 1 for protecting the head.

[37] The oxygen supply module 11 is a self-made oxygen production part inside the protective hood 1. The oxygen inside the oxygen supply module 11 may be stored in a safe and reliable small oxygen storage tank (in the form of liquid oxygen or solid oxygen, etc.) prepared in advance, and may also be oxygen production raw materials used to produce oxygen, which is manually controlled by a control circuit to determine the time of oxygen production and the amount of oxygen output according to the user's requirements. Operators control the operation of the oxygen supply module 11 by biting, at the same time, oxygen is delivered into the mouth of the wearers through a soft duct, oxygen is supplied by mouth inhalation, and a structure thereof is as shown in FIG. 2.

[38] A structure of the protective suit 2 is as shown in FIG. 3 and FIG. 4. A function of the protective suit 2 is to filter, sterilize, and disinfect the air in an external environment, and send purified air to the air supply duct for wearers to breathe. At the same time, a set of air circulation ventilation device is provided inside the protective suit 2 to remove heat and moisture and give wearers a more comfortable wearing experience. An outer layer of the protective suit 2, made of special materials, 1s waterproof, anti-static, fireproof, heat-insulating, radiation-proof, and has good airtightness. A temperature and humidity sensor, provided inside the protective suit 2, transmits the temperature and humidity on a temperature and humidity display screen 23 at the front of the protective suit in real time. A control panel 24 for controlling start and stop is also provided on the protective suit 2.

[39] A structure of the air purification system is as shown in FIG. 6. External air firstly passes through the medical air filter cartridge 312 as a filter screen, then passes through the input disinfection chamber 313 (a cylindrical ultraviolet disinfection pipeline may be selected), and is sent for respiration after passing through a section of disinfection pipeline for disinfection. The air discharged from human body enters another path of sterilization with ultraviolet, a high temperature, and alcohol and then is discharged. Both air inlet duct and air outlet duct are provided with one-way purification air guide valves 314 to strictly control the inflow and outflow directions of air, and the whole process may be powered by an air circulation pump to realize free inflow and outflow of the air.

[40] A structure of the circulating ventilation system is as shown in FIG. 5.

Purified air is sent to a ventilation and distribution system of the protective suit by the air circulation pump, and the purified air is blown to the parts of the body which are likely to generate heat and sweat, so as to constitute an air dehumidifying and cooling net, and finally is discharged out of the protective suit by the air outlet 26 of the unified unidirectional filtering pipeline net port.

[41] The protective hood and the protective suit are used separately.

[42] Users of the protective hood place the oxygen supply module in the reserved groove of the protective hood in advance, connect the control circuit and the oxygen outlet well with the pipeline provided inside the protective hood, and manually adjust the oxygen output and sensitivity of the oxygen control module. The protective hood is then placed over head and the neck seal collar is inflated to seal the head so as to separate the head from external air. Oxygen output of the oxygen module is controlled by biting, an oral oxygen inhalation duct is used to breathe, and discharged air is discharged by the nasal cavity and passed through a one-way check valve.

[43] When using the protective suit, users inspect whether the protective suit is intact and undamaged, replace a new portable battery module, push the power button, and inspect whether the air purification and air circulation systems are normal. If the protective suit is operated normally, users may put on the protective suit; after the integrated protective suit 1s worn in good condition, users may pull up the chest sealing zipper 21 in front of the chest by themselves to realize closed isolation. Assembling and wearing 1s completed by connecting the inspiratory duct and expiratory duct provided by the protective suit to a simple closed breathing mask worn on the head. A system start button positioned in front of chest is manually operated to make the air purification and circulation system of the protective suit start to work; the air purification and circulation system sucks external air, generates inhalable clean air through the protective filter screen and the ultraviolet disinfection ducts, and sends the inhalable clean air to the breathing mask for wearers to breathe. At the same time, a part of the sterilized and purified air 1s sent to an air circulation net by the air circulation pump so as to remove moisture and reduce temperature in the protective suit. Exhaled air is discharged out of the protective suit through the filter sterilization and disinfection port of the one-way check valve.

[44] The protective hood is integrated with the protective suit. After inspections have been carried out according to the respective methods without problems, the power supply and air supply system, etc. of the protective hood and the protective suit are connected. The air supply connection port 27 of the protective suit is connected with the one-way air supply port 131 inside the protective hood, and the sealing zipper 22 reserved at the neck part of the protective suit and the neck part of the protective hood is zipped up well.

[49] The personal protective device of the present disclosure has a comfortable wearing experience, good protective effects, strong practicability, and a good application prospect.

Claims (8)

Conclusions I. Personal protective device comprising a protective hood and a protective suit, the protective hood being provided with an oxygen supply module therein, and the protective suit being provided with an air purification system therein; the air purification system being connected to a humidification system, external air being supplied to the protective hood through a pipeline via the air purification system and the humidification system, and exhaled air being purified by the air purification system and then being discharged. 2. A personal protective device according to claim 1, wherein the protective suit is provided with a circulating ventilation system. 3. A personal protective device according to claim 2, wherein the circulating ventilation system comprises ventilation ducts evenly distributed over the protective suit, and exhaust air, purified by the air cleaning system, is pumped to the ventilation ducts by an air circulation pump. 4. The personal protective device of claim 1, wherein the protective suit comprises a neck sealing zipper connected to the protective hood, and the protective suit further comprises a chest sealing zipper. 5. The personal protective device of claim 1, wherein an oxygen outlet of the oxygen supply module communicates with the mouth of a person via an internal oxygen supply tube. 6. The personal protective device of claim 5, wherein the protective hood includes an external oxygen supply tube communicating with a person's nasal cavity, the external oxygen supply tube includes a one-way air supply port and a one-way air exhaust port, and the external oxygen supply tube includes one-way air guide valves. 7. The personal protective device of claim 6, wherein the one-way air supply port is connected to an inlet purification outlet of the air cleaning system, and the one-way air outlet port is connected to an outlet purification inlet of the air cleaning system. 8. A personal protective device according to claim 7, wherein the air cleaning system comprises an inlet cleaning inlet for introducing external air, and wherein an incoming disinfection chamber is located between the inlet cleaning inlet and the inlet cleaning outlet.