阅读说明：本技术 一种可配套多种防护服使用的正压制冷新风系统 (Positive-pressure refrigeration fresh air system capable of being matched with various protective clothing for use ) 是由 尹通男 尹昕 王辉 张蕊 赵霞 杨妍 于 2020-03-27 设计创作，主要内容包括：本发明公开了一种可配套多种防护服使用的正压制冷新风系统,包括供风装置、过滤装置及供风装置,所述供风装置包括供风本体和分别设于供风本体内部的风机、制冷机、供电组及控制板,所述供风本体一端设置的风道与风机进风口连接,风机出风口与制冷机进风口连接,制冷机出风口与供风本体另一端设置的风道连接,且制冷机的散热出口设于供风本体外侧,风机和制冷机通过供电组供电,供电组在供风本体外部链接有充电接口,控制板控制和调节风机和制冷机的工作。与现有技术相比,本发明不仅满足防护服内部的良好通风,而且还能在室温较高时通过制冷来实现防护服内部温度的调节,使医护人员在工作中始终保持皮肤干燥,提高了舒适性。(The invention discloses a positive-pressure refrigeration fresh air system capable of being matched with various protective clothing, which comprises an air supply device, a filtering device and an air supply device, wherein the air supply device comprises an air supply body, and a fan, a refrigerator, a power supply group and a control panel which are respectively arranged in the air supply body, an air channel arranged at one end of the air supply body is connected with an air inlet of the fan, an air outlet of the fan is connected with an air inlet of the refrigerator, an air outlet of the refrigerator is connected with an air channel arranged at the other end of the air supply body, a heat dissipation outlet of the refrigerator is arranged at the outer side of the air supply body, the fan and the refrigerator are supplied with power through the power supply group, the power supply group is connected with a charging interface outside. Compared with the prior art, the invention not only meets the requirement of good ventilation inside the protective clothing, but also can realize the regulation of the temperature inside the protective clothing through refrigeration when the room temperature is higher, so that medical personnel can keep dry skin all the time in work, and the comfort is improved.)

1. The utility model provides a malleation refrigeration new trend system that multiple protective clothing of can supporting used, includes air supply device, filter equipment and air supply device, its characterized in that: the air supply device comprises an air supply body, and a fan, a refrigerator, a power supply unit and a control panel which are respectively arranged in the air supply body, wherein an air channel arranged at one end of the air supply body is connected with an air inlet of the fan, an air outlet of the fan is connected with an air inlet of the refrigerator, an air outlet of the refrigerator is connected with an air channel arranged at the other end of the air supply body, a heat dissipation outlet of the refrigerator is arranged at the outer side of the air supply body, the fan and the refrigerator are supplied with power through the power supply unit, the power supply unit is connected with a charging interface at the outer part of the air supply body, and the control panel is provided with a fuse, a switch;

the filtering device comprises a first filtering layer arranged outside an air channel at one end of the air supply body and a second filtering layer arranged outside the air channel at the other end of the air supply body;

the air supply device comprises a silica gel hose connected with an air outlet of the refrigerator, and an annular joint and a Y-shaped joint which are sequentially connected with the silica gel hose, wherein a sealing element used for sealing the protective clothing is arranged on the annular joint, the output end of the Y-shaped joint is respectively connected with a polyethylene air bag, a plurality of uniformly distributed air outlet holes are formed in the outer wall of the air bag, and the air bag is matched with back glue used for being bonded on the inner wall of the protective clothing;

still include a plurality of check valves of setting alone on the protective clothing, the silica gel pad of this check valve sets up in air outlet one side, and the air outlet is located the protective clothing outside, and the air intake is located the protective clothing inboard.

2. The positive pressure refrigeration fresh air system capable of being used with various protective clothing according to claim 1, characterized in that: the first filter layer comprises an activated carbon non-woven fabric layer, an antibacterial layer and a nano-silver melt-blown non-woven fabric layer which are sequentially arranged, and the second filter layer is the nano-silver melt-blown non-woven fabric layer.

3. The positive pressure refrigeration fresh air system capable of being used with various protective clothing according to claim 1, characterized in that: the outer side of the air supply body is provided with an interlayer, the outer part of the interlayer is arranged in a grid shape, and a heat dissipation outlet of the refrigerator is connected with the interlayer.

4. The positive pressure refrigeration fresh air system capable of being used with various protective clothing according to claim 1, characterized in that: the annular joint includes outer joint and the nipple that the joint is in the same place, nipple inside is equipped with the check valve, the inside silica gel pad that is used for the new trend to pass through that is equipped with of check valve.

5. The positive pressure refrigeration fresh air system capable of being used with various protective clothing according to claim 4, characterized in that: when the silica gel hose passes through inside the back entering protective clothing, the protective clothing outside is located to the outer joint among the cyclic annular joint, and the protective clothing is inboard is located to the inner joint, the sealing member adopts cyclic annular sealed glue, pastes the outer joint protective clothing outside through cyclic annular sealed glue and realizes sealedly.

6. The positive pressure refrigeration fresh air system capable of being used with various protective clothing according to claim 5, characterized in that: when the outer joint and the inner joint are clamped, a sealing ring is arranged between the outer joint and the protective clothing, and a pressing sheet is arranged between the inner joint and the protective clothing.

7. The positive pressure refrigeration fresh air system capable of being used with various protective clothing according to claim 4, characterized in that: when the silica gel hose enters the interior of the protective clothing through the face opening, the sealing element adopts a soft silica gel piece with a bonding function, and the annular joint entering one side of the face opening is bonded on the inner wall of the protective clothing through the soft silica gel piece.

8. The positive pressure refrigeration fresh air system capable of being used with various protective clothing according to claim 7, characterized in that: the check valve who sets up alone on the protective clothing bonds at facial open-ended opposite side through soft silica gel spare, and when dressing the face guard, the face guard both ends can be pressed and be used for sealing on soft silica gel spare.

9. The positive pressure refrigeration fresh air system capable of being used with various protective clothing according to claim 8, characterized in that: a plurality of Y-shaped joints are connected between the annular joint and the Y-shaped joint, and a gas interface of the Y-shaped joint is connected to the mask and the protective glasses, so that unsmooth breathing caused by wearing the mask and blurred vision caused by wearing the protective glasses are avoided.

10. The positive pressure refrigeration fresh air system capable of being used with various protective clothing according to claim 1, characterized in that: the air supply body is externally provided with braces, so that the air supply body and medical staff can be fixed together.

Technical Field

The invention relates to the technical field of medical protection, in particular to a positive pressure refrigeration fresh air system which can be matched with various protective clothing for use.

Background

After the epidemic situation of 'new coronary pneumonia' occurs, medical personnel must dress protective clothing when going deep into clinical first-line therapy, and current wearable protective clothing all lacks ventilation unit, and is airtight, and very sultriness after wearing, medical personnel work the sweat drench after several hours, and the body is wet thoroughly throughout, and the dry mouth leg is soft, painful ten thousandths. After the patient goes out of the isolation area, the protective clothing is taken off, the clothing worn close to the body is wet, the medical care personnel feel braised, the patient feels full of sweat every day, and the patient keeps on the clothing for epidemic situation. The long-time work not only causes great harm to the health of the people, influences the working efficiency and increases the chance of infection; this is even worse if hot weather is encountered; in addition, medical staff wear the mask for a long time, which easily causes unsmooth knee protection, and the worn goggles are easy to fog, thus bringing inconvenience to the work of the medical staff.

Disclosure of Invention

In order to solve the technical problems, the invention aims to provide a positive-pressure refrigeration fresh air system which can be used with various protective garments, not only can meet the requirement of good ventilation in the protective garments, but also can realize the adjustment of the internal temperature of the protective garments through refrigeration when the room temperature is higher, so that medical workers can keep the skin dry all the time in the work process, and the comfort is improved.

In order to achieve the purpose, the invention adopts the technical scheme that: a positive-pressure refrigeration fresh air system capable of being matched with various protective clothing comprises an air supply device, a filtering device and an air supply device, wherein the air supply device comprises an air supply body, a fan, a refrigerator, a power supply group and a control panel, the fan, the refrigerator, the power supply group and the control panel are respectively arranged in the air supply body;

the filtering device comprises a first filtering layer arranged outside an air channel at one end of the air supply body and a second filtering layer arranged outside the air channel at the other end of the air supply body;

the air supply device comprises a silica gel hose connected with an air outlet of the refrigerator, and an annular joint and a Y-shaped joint which are sequentially connected with the silica gel hose, wherein a sealing element used for sealing the protective clothing is arranged on the annular joint, the output end of the Y-shaped joint is respectively connected with a polyethylene air bag, a plurality of uniformly distributed air outlet holes are formed in the outer wall of the air bag, and the air bag is matched with back glue used for being bonded on the inner wall of the protective clothing;

still include a plurality of check valves of setting alone on the protective clothing, the silica gel pad of this check valve sets up in air outlet one side, and the air outlet is located the protective clothing outside, and the air intake is located the protective clothing inboard.

Furthermore, the first filter layer comprises an activated carbon non-woven fabric layer, an antibacterial layer and a nano-silver melt-blown non-woven fabric layer which are sequentially arranged, and the second filter layer is the nano-silver melt-blown non-woven fabric layer.

The outer side of the air supply body is provided with an interlayer, the outer part of the interlayer is arranged in a grid shape, and a heat dissipation outlet of the refrigerator is connected with the interlayer.

The annular joint includes outer joint and the nipple that the joint is in the same place, nipple inside is equipped with the check valve, the inside silica gel pad that is used for the new trend to pass through that is equipped with of check valve.

When the silica gel hose passes through inside the back entering protective clothing, the protective clothing outside is located to the outer joint among the cyclic annular joint, and the protective clothing is inboard is located to the inner joint, the sealing member adopts cyclic annular sealed glue, pastes the outer joint protective clothing outside through cyclic annular sealed glue and realizes sealedly.

When the outer joint and the inner joint are clamped, a sealing ring is arranged between the outer joint and the protective clothing, and a pressing sheet is arranged between the inner joint and the protective clothing.

When the silica gel hose enters the interior of the protective clothing through the face opening, the sealing element adopts a soft silica gel piece with a bonding function, and the annular joint entering one side of the face opening is bonded on the inner wall of the protective clothing through the soft silica gel piece.

The check valve who sets up alone on the protective clothing bonds at facial open-ended opposite side through soft silica gel spare, and when dressing the face guard, the face guard both ends can be pressed and be used for sealing on soft silica gel spare.

A plurality of Y-shaped joints are connected between the annular joint and the Y-shaped joint, and a gas interface of the Y-shaped joint is connected to the mask and the protective glasses, so that unsmooth breathing caused by wearing the mask and blurred vision caused by wearing the protective glasses are avoided.

The air supply body is externally provided with braces, so that the air supply body and medical staff can be fixed together.

The power supply group is formed by combining a plurality of rechargeable lithium batteries.

When the protective suit is used, the air supply body and medical personnel wearing the protective suit are fixed together through the braces, when a silica gel hose enters the protective suit from the back, an opening needs to be formed in the back, the outer joint and the inner joint on the annular joint are clamped on the inner side and the outer side of the protective suit, the outer joint and the protective suit are fixed together through annular sealant, the check valve arranged on the annular joint aims to ensure that the protective suit only receives filtered air from a fresh air system, then the air bag extends into the trouser legs and the jacket through the Y-shaped joint and is adhered to the inner wall of the protective suit through the back glue, and the outer wall of the air bag is provided with a plurality of air supply holes which are uniformly distributed, so that air can be uniformly conveyed everywhere and is softly and not directly blown to the skin, the protective suit is always in a ventilation state, the skin is kept dry, and the comfort is improved.

When the silica gel hose gets into inside the protective clothing through facial opening, the sealing member adopts the soft silica gel spare that has bonding function, and the annular joint that will get into facial opening one side through soft silica gel spare bonds at the protective clothing inner wall, and the check valve accessible soft silica gel spare that sets up alone bonds at facial open-ended opposite side, and when dressing the face guard, the face guard both ends can be pressed and be used for sealing on soft silica gel spare, need not set up at back opening.

A plurality of Y-shaped joints are connected between the annular joint and the Y-shaped joints, and gas interfaces of the Y-shaped joints are connected to the mask to provide filtered gas for assisting breathing so as to avoid unsmooth breathing caused by wearing the mask; be connected to in the protective glass, can weather the water smoke on the lens, avoid the vision fuzzy, improve medical personnel's the visibility of wearing, extension work ageing.

When ventilation still can not alleviate the interior stifling of protective clothing, start the refrigerator, make the wind that blows to protective clothing become cold wind, improve the interior stifling situation of protective clothing, according to individual's needs, adjust the speed governing button, make the speed regulation of going out cold wind reach human comfortable state.

The switch button and the speed regulating button arranged on the control panel can freely start the fan and the refrigerator in various use states and can regulate the speed according to actual conditions so as to meet the comfort of a human body.

In addition, the silica gel pad of the one-way valve is arranged on one side of the air outlet, the air outlet is positioned on the outer side of the protective clothing, and the air inlet is positioned on the inner side of the protective clothing, so that the protective clothing can only receive the filtered gas of a fresh air system, and the outside polluted gas is prevented from entering the protective clothing through the air outlet.

The filtering device can reach the level of more than N95 after secondary filtering, and positive pressure air supply circulation is formed by conveying filtered air into the isolation protective clothing and then exhausting air through the one-way valve independently arranged on the protective clothing, so that the use efficiency of the protective clothing is improved, the body feeling and the working efficiency of medical workers are improved, and the probability of infection can be effectively reduced.

Drawings

The structure and features of the present invention will be further described with reference to the accompanying drawings and examples.

FIG. 1 is a schematic structural diagram of the present invention.

Figure 2 is a schematic view of the connection of the annular joint to the protective suit of the present invention.

Fig. 3 is a schematic view of the structure of the check valve separately provided on the protective suit in the present invention.

In the attached drawings 1-3, 1 is a first filter layer, 2 is a fan, 3 is a fuse, 4 is a charging interface, 5 is a speed-adjusting button, 6 is a switch button, 7 is an air supply body, 8 is a control panel, 9 is a refrigerator, 10 is a second filter layer, 11 is a silica gel hose, 12 is an air bag, 13 is an air outlet, 14 is a Y-shaped joint, 15 is an annular joint, 16 is an outer joint, 17 is a sealing ring, 18 is a protective clothing, 19 is a pressing sheet, 20 is an inner joint, and 21 is a one-way valve silica gel pad.

Detailed Description

The invention is further described below with reference to the accompanying drawings.

FIG. 1 and FIG. 2 show an embodiment of the present invention, which discloses a positive pressure refrigeration fresh air system capable of being used with various protective clothing, comprising an air supply device, a filter device and an air supply device, wherein the air supply device comprises an air supply body 7, and a fan 2, a refrigerator 9, a power supply set and a control panel 8 which are respectively arranged inside the air supply body 7, an air duct arranged at one end of the air supply body 7 is connected with an air inlet of the fan 2, an air outlet of the fan 2 is connected with an air inlet of the refrigerator 9, an air outlet of the refrigerator 9 is connected with an air duct arranged at the other end of the air supply body 7, a heat dissipation outlet of the refrigerator 9 is connected with a partition layer arranged outside the air supply body 7, the outside of the partition layer is arranged in a grid shape, the fan 2 and the refrigerator 9 are supplied with power by the power supply set, the power supply set is formed by combining, control 8 be in air feed body 7 outer wall is equipped with fuse 3, is used for adjusting shift knob 6 and speed governing button 5 of fan 2 and refrigerator 9, air feed body 7 outside is equipped with the braces, satisfies and is together fixed air feed body 7 and medical personnel.

The filtering device comprises a first filtering layer 1 arranged at the outer part of an air duct at one end of the air supply body 7 and a second filtering layer 10 arranged at the outer part of an air duct at the other end of the air supply body 7, wherein the first filtering layer 1 comprises an activated carbon non-woven fabric layer, an antibacterial layer and a nano-silver melt-blown non-woven fabric layer which are sequentially arranged, and the second filtering layer 10 is the nano-silver melt-blown non-woven fabric layer.

The air supply device comprises a silica gel hose 11 connected with an air outlet of the refrigerator 9, and an annular joint 15 and a Y-shaped joint 14 which are sequentially connected with the silica gel hose 11, wherein annular sealant is arranged on the annular joint 15 and used for sealing between the silica gel hose 11 and the protective clothing 18, the output end of the Y-shaped joint 14 is respectively connected with a polyethylene air bag 12, a plurality of uniformly distributed air outlet holes 13 are formed in the outer wall of the air bag 12, and the air bag 12 is matched with gum used for being bonded on the inner wall of the protective clothing 18;

the utility model discloses a silica gel hose, including the silica gel hose, annular joint 15 uses when the silica gel hose passes the protective clothing, just annular joint 15 divide into the outer joint 16 of locating the protective clothing 18 outside and locate the inner joint 20 of 18 inboards of protective clothing, outer joint 16 and inner joint 20 joint are in the same place, when outer joint 16 and inner joint 20 joint, be equipped with sealing washer 17 between outer joint 16 and the protective clothing 18, be equipped with compressing tablet 19 between inner joint 20 and the protective clothing 18, the inside check valve 22 that is equipped with of inner joint 20, the inside silica gel pad 21 that is being close to the silica gel hose 11 junction that is equipped with of check valve 22, the outside of outer joint 16 is pasted in the protective clothing outside through the annular seal is sticky for it is sealed.

When the protective suit is used, the air supply body and medical staff wearing the protective suit are fixed together through the braces, the silica gel hose is stretched into the protective suit, when the protective suit passes through, the silica gel hose is fixed and sealed on the protective suit through the annular joint and the annular sealant, the check valve arranged on the annular joint aims to ensure that the protective suit only receives filtered air from a fresh air system, then the air bag is stretched into the trouser legs and the jacket through the Y-shaped joint, the air supply pipe is adhered to the inner wall of the protective suit through the gum, the outer wall of the air bag is provided with a plurality of uniformly distributed air supply holes, the air can be uniformly conveyed everywhere, and is softly and not directly blown to the skin, so that the protective suit is always in a ventilation state, the skin is kept dry, and the comfort is improved.

The embodiment is a mode that the silica gel hose enters the interior of the protective suit through the back of the protective suit, and the other embodiment of the invention is that when the silica gel hose enters the interior of the protective suit through the face opening, the sealing element adopts a soft silica gel piece with a bonding function, the annular joint entering one side of the face opening is bonded on the inner wall of the protective suit through the soft silica gel piece, the separately arranged one-way valve can be bonded on the other side of the face opening through the soft silica gel piece, when the face mask is worn, two ends of the face mask can be pressed on the soft silica gel piece for sealing, and the arrangement of the back opening is not needed;

a plurality of Y-shaped joints are connected between the annular joint and the Y-shaped joints, and gas interfaces of the Y-shaped joints are connected to the mask to provide filtered gas for assisting breathing so as to avoid unsmooth breathing caused by wearing the mask; be connected to in the protective glass, can weather the water smoke on the lens, avoid the vision fuzzy, improve medical personnel's the visibility of wearing, extension work ageing.

Fig. 3 shows that the air-purifying protective clothing also comprises a plurality of one-way valves which are independently arranged on the protective clothing, a silica gel pad of each one-way valve is arranged at one side of an air outlet, the air outlet is positioned at the outer side of the protective clothing, an air inlet is positioned at the inner side of the protective clothing, continuous fresh air enters from a silica gel hose in positive pressure air supply and comes out from the air outlet of the one-way valve which is independently arranged on the protective clothing, so that the protective clothing can only receive filtered air of a fresh air system, and external polluted air is prevented from entering through the air outlet.

The above description is only a preferred embodiment of the present invention, and the above specific embodiments are not intended to limit the present invention, and modifications, modifications or equivalents thereof, which may occur to those skilled in the art, are included within the scope of the present invention.