CN114601222A

CN114601222A - Air conditioning unit for protective clothing

Info

Publication number: CN114601222A
Application number: CN202210298646.7A
Authority: CN
Inventors: 刘思聪; 刘思宇; 韦茜龄
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-03-22
Filing date: 2022-03-22
Publication date: 2022-06-10

Abstract

The invention discloses a protective clothing air conditioning unit, which comprises a ventilation waistband, an air delivery hose and an air conditioner body, wherein the air conditioner body is worn on the back waist of a user through the ventilation waistband; the air conditioner body provides cold air or warm air which meets the biological safety requirement for the interior of the protective clothing through the air hose; the air conditioner body adopts the design of a cross-flow fan and a semiconductor refrigerating sheet, and realizes the high-efficiency supply of cold air or warm air according with the biological safety requirement through reasonable air port design and internal diversion layout; the ventilating waistband can lead cold air or warm air to penetrate through the waistband and enter the lower half of the protective clothing. The air conditioning unit designed by the invention can provide a comfortable internal environment for the protective clothing, and the internal environment meets the biological safety requirement; the air conditioner body adopts a compact and reasonable layout design, adopts a design structure of air inlet at the outer side and/or the bottom and air exhaust at the upper part, ensures that the air suction and the air exhaust are independent and do not influence each other, and effectively reduces the volume of a unit while improving the refrigeration or heating efficiency.

Description

Air conditioning unit for protective clothing

Technical Field

The invention belongs to the technical field of air conditioners, and particularly relates to an air conditioning unit for protective clothing.

Background

In the fields of medical hygiene and veterinary medicine, whenever a major epidemic of an infectious disease is disposed of, it is common to wear a full set of protective equipment in conjunction with the operation to protect the workers from contamination or infection by pathogens. Because the protective clothing has poor air permeability and thermal conductivity, the wearer feels stuffy and uncomfortable; especially, at a high ambient temperature, the sweat of the wearer can be dribbling and the wearer can not be easily decocted. In the prior art, a technical scheme of providing cold air for the protective clothing by adopting the refrigeration of the semiconductor refrigeration piece is also provided, but the following defects still exist: 1. the air flow in the protective clothing is not smooth to penetrate, so that the cooling effect of the lower part of the waist of a body is not good, and the air flow above the waist is blocked, so that the pressure in the protective clothing is increased and the protective clothing is broken; 2. the preparation and the shunt design of cold air and hot air of the refrigeration main machine are not reasonable enough, so that the volume is large and the refrigeration efficiency is low; 3. the emergency protection of power failure or machine failure of a refrigeration air supply system is not considered, and the battery pack does not continuously work for one time and is suitable for long-time work.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides an air conditioning unit for protective clothing.

In order to achieve the purpose, the invention adopts the following technical scheme:

a protective clothing air conditioning unit comprises a ventilation waistband, an air delivery hose and an air conditioner body, wherein the air conditioner body is worn on the back waist of a user through the ventilation waistband; the air conditioner body provides cold air or warm air which meets the biological safety requirements for the interior of the protective clothing through the air hose; the air conditioner body comprises a shell, a biological safe air manufacturing chamber, an air dispersing chamber, an air supply outlet, a filter, an air dispersing outlet, an air inlet, a cross flow air cavity, a guide plate, a cross flow fan, a semiconductor refrigeration sheet, a radiating fin, a controller, a battery box, a storage battery and a connecting buckle, wherein the biological safe air manufacturing chamber and the air dispersing chamber are adjacently and independently arranged in the shell; an air supply outlet is arranged on the top of the biological safety air manufacturing chamber and is connected with an air conveying hose; the lower part of the outer side surface or/and the bottom surface of the biological safe air manufacturing chamber is/are provided with a filter; the top of the air dispersing chamber is provided with an air dispersing outlet, and the bottom of the air dispersing chamber is provided with an air inlet; the upper parts of the biological safety air manufacturing chamber and the air dispersing chamber are provided with through-flow air cavities which are surrounded by two guide plates; the cross-flow fan is arranged in the cross-flow air cavity, and under the action of the cross-flow fan, air in the biological safety air manufacturing chamber and the air dispersing chamber flows directionally and is discharged upwards through the cross-flow air cavity; the semiconductor refrigerating sheet is arranged between the biological safety air manufacturing room and the air dissipation room, and the direction of a refrigerating surface or a heating surface of the semiconductor refrigerating sheet is selected when the air conditioner body is installed according to the requirement of providing cold air or warm air; the cooling surface and the radiating surface of the semiconductor cooling plate are both provided with radiating fins; the shell is provided with a storage battery for supplying power to the controller through a battery box; the controller is arranged on the front surface of the shell, and the cross-flow fan and the semiconductor refrigeration sheet are electrically connected with the controller; the back of the shell is provided with a connecting eye-splice for mounting the air conditioner body on the ventilating belt.

The air conditioner designed by the invention can provide a comfortable internal environment for the protective clothing, and can provide cold air or warm air meeting the biosafety requirements according to the requirements; the air conditioner body adopts the internal space layout with compact structure, and adopts the design structure of outside and bottom air intake and upper air exhaust, so that the air intake and the air exhaust realize the effects of mutual independence and mutual noninfluency, and the whole volume is effectively reduced on the premise of improving the refrigeration or heating efficiency.

Furthermore, the left side surface and the right side surface of the shell are respectively provided with a battery box, and a storage battery is detachably arranged in each battery box; 2 storage batteries continuously and alternately supply power to the controller; the battery case sets up the both sides at the air conditioner body promptly, and two sets of batteries can be in turn supplied power in succession, accomplish one with one and prepare for, when a set of battery electric quantity is about to exhaust, will automatic switch over to another group battery power supply to remind the person of wearing in time to change that group electric quantity is about to exhaust the battery.

Further, the filter is configured to be detachably and hermetically attached to the outside of the bio-safety air manufacturing chamber; the filter is a HEPA filter, and the requirement of the filtering effect of the filter meets the requirement of biological safety; the filter can be replaced after being used, and the filtering effect of the filter can be ensured to meet the safe use requirement.

Furthermore, a detention area is arranged between the outlet of the through-flow air cavity and the air supply outlet or the air diffusion outlet, and the detention area can enable the air coming out of the through-flow air cavity to be smoothly discharged from the air supply outlet or the air diffusion outlet without backflow.

The remote controller is in wireless communication connection with the controller; the remote controller is arranged on the ventilating waistband positioned on the front side of the body; because the controller is arranged on the air conditioner body which is worn on the back waist, the controller is inconvenient for a wearer to operate; but the remote controller can lead the wearer to come in front of eyes, thereby being convenient and accurate to operate.

Furthermore, the air dispersing outlets are arranged towards the left side and the right side and slightly exhaust upwards in an inclined mode or horizontally outwards, so that hot air is not easy to be sucked by the air inlet of the biological safety air manufacturing chamber and cannot be directly blown to the air conveying hose, and the refrigerating efficiency of the biological safety air manufacturing chamber cannot be influenced.

Furthermore, the air hose is detachably connected with the upper part of the protective clothing and the air conditioner body, so that the modular arrangement is realized, the air conditioner body and the protective clothing can be conveniently and separately sterilized, and the air hose can be repeatedly used and saves expenses.

Furthermore, the ventilating waistband consists of a flexible ventilating waistband body, ventilating parts, a ventilating waistband buckle and a draw hook, wherein the flexible ventilating waistband body is provided with a plurality of ventilating parts and a ventilating waistband buckle, the ventilating parts are mainly distributed on two sides of the waist, and the ventilating waistband buckle has the function of adjusting the size of the waistline of the ventilating waistband; the ventilating part is provided with a convex and vertical ventilating channel, when the ventilating waistband body is tightened, the ventilating part can form a plurality of air passages which are communicated up and down on the waist part, air filled above the waist part can burst the flexible protective clothing and smoothly blow the air to the lower part of the body, and meanwhile, the air pressure in the upper body protective clothing generated by tightening the ventilating waistband can be released, so that the protective clothing is prevented from being expanded and broken due to overlarge internal pressure; a draw hook with an upward hook tip is arranged at the outermost convex position at the inner side of the ventilating part, and a transverse hook belt is also arranged at the corresponding position of the waist part of the protective clothing body; when in use, the draw hook is inserted into the hook belt from bottom to top, and the part of the protective clothing can be pulled out outwards to form an air channel, and meanwhile, the protective clothing can be lifted to prevent falling; the ventilation channel is of a rigid structure, and the cross section of the ventilation channel is semicircular or polygonal, so that the use requirements of different structures are met.

Further, still include oxygen sensor, oxygen sensor set up on the air feed export, oxygen sensor and controller electric connection, oxygen sensor is mainly used for detecting whether the oxygen content of the air conditioning of input or heating installation is in the allowed range, if not up to standard then the controller can be in time the alarm and the suggestion is adjusted, protects the person of wearing better.

The invention has the advantages that: 1. the air conditioner provides an inner environment with fresh air supply, comfortable temperature and meeting the biological safety requirement for a wearer on the premise of ensuring the biological safety protection; 2. the ventilation waistband of the suspension air conditioner body adopts a brand new design, and even if the ventilation waistband is tightened, the ventilation waistband does not influence the air flow inside the protective clothing to run through from top to bottom; 3. the air conditioner has the advantages of compact design structure, reasonable air suction and exhaust layout, reasonable airflow organization and excellent refrigeration or heating efficiency, and can convey stable and large amount of cold air or warm air for the interior of the protective clothing; 4. the power supply system of the air conditioner is designed in a continuous replacement mode, one is used and the other is prepared, when the electric quantity of one group of storage batteries is about to be exhausted, the other group of storage batteries can be automatically switched to supply power, a wearer is reminded to replace the storage batteries with the electric quantity about to be exhausted in time, and the service life is greatly prolonged.

Drawings

FIG. 1 is a perspective view of an air conditioning unit for a protective garment of the present invention;

FIG. 2 is a bottom view of an air conditioner body in an air conditioning unit of the protective suit of the present invention;

fig. 3 is a front longitudinal sectional view of an air conditioner body in an air conditioning unit for protective clothing according to the present invention.

Detailed Description

The invention is described in detail below with reference to the accompanying drawings:

in the description of the present invention, it should be noted that the directions or positional relationships indicated by "top", "bottom", "upper", "lower", "left", "right", and the like are based on the directions or positional relationships shown in the drawings, or the directions or positional relationships usually placed when the product of the present invention is used, and are only for convenience of description and simplification of the description, and do not indicate or imply that the device or element referred to must have a specific direction, and a specific directional configuration and operation, and therefore, the present invention should not be construed as being limited.

As shown in figures 1-3, the air conditioner unit of a protective clothing, ventilate the waist belt 1, air hose 2 and air conditioner body 3, the said air conditioner body 3 is worn on the back waist of the user through ventilating the waist belt 1; the air conditioner body 3 provides cold air or warm air which meets the biological safety requirements for the interior of the protective clothing through the air hose 2, and the air hose 2 is detachably arranged on the upper portion of the protective clothing and is in sealing connection with the protective clothing through the connecting bayonet. The air conditioner body 3 is provided with a remote controller (not shown in the figure), and the remote controller is in wireless communication connection with a controller on the air conditioner body 3; the remote controller is arranged on the front side of the ventilation waistband 1, a refrigeration or heating power adjusting button, an air supply size adjusting button, an indicator light and a display screen are arranged on the remote controller, and information such as electric quantity, ventilation quantity, oxygen content, temperature and humidity (a temperature and humidity sensor is arranged on the air conditioner body) is displayed on the display screen.

The air conditioner body 3 of the present embodiment includes a housing 31, a biosafety air producing chamber 32, a diffusing chamber 33, an air supply outlet 34, a filter 35, a diffusing outlet 36, an air inlet 37, a cross-flow air chamber 38, a flow guide plate 39, a cross-flow fan 310, a semiconductor cooling plate 311, a heat sink 312, a controller 313, a battery case 314, a storage battery 315, and a connection buckle 316, wherein the biosafety air producing chamber 32 and the diffusing chamber 33 are adjacently and independently provided inside the housing 31, the biosafety air producing chamber 32 is located outside, the diffusing chamber 33 is located inside, and the biosafety air producing chamber 32 is located outside, which is more advantageous for sucking air in a sufficient large area and does not interfere with the airflows of other air inlets and air outlets. The specification of the case 31 is controlled to be 22cm × 22cm × 12cm (height × width × thickness). The top of the biosafety air manufacturing chamber 32 is provided with an air supply outlet 34, the air supply outlet 34 is connected with the air hose 2, the air hose 2 is a heat preservation pipe, and therefore the influences of the external environment on cold air or warm air during transmission can be avoided, and condensation water drops are generated outside the pipe wall. The lower part and the bottom surface (the front surface and the bottom surface of the shell) of the outer side surface of the biosafety air manufacturing chamber 32 are provided with filters 35, and the filters 35 are HEPA filters which can prevent pathogens from entering; the HEPA is provided in a replaceable manner so that the air conditioner body 3 can be reused. The top of the air-dispersing chamber 33 is provided with an air-dispersing outlet 36, the air-dispersing outlet 36 discharges hot air or cold air from the left and right sides and obliquely upwards, so that the hot air which is upwards discharged is prevented from being directly blown to the air-conveying hose 2 or sucked by the filter 35; the bottom of the air-dispersing chamber 33 is provided with an air inlet 37, the air inlet 37 is an open opening, the size of the air inlet 37 is almost the same as that of the bottom of the air-dispersing chamber 33, and the air can be sucked into the air-dispersing chamber 33 without hindrance and take away heat or cold in the air-dispersing chamber. The upper parts of the biological safety air manufacturing chamber 32 and the air dispersing chamber 33 are both provided with a through-flow air cavity 38, the through-flow air cavity 38 is surrounded by two arc-shaped guide plates 39, and the inner arcs of the guide plates 39 are arranged upwards; an air inlet and an air outlet are arranged on the through-flow air cavity 38, the air inlet is arranged at the lower part, the air outlet is arranged at the upper part, and the air passing through the through-flow air cavity 38 can only move upwards in the same direction until the air enters the air hose 2 or the air dispersing outlet 36 to be discharged. The cross flow fan 310 is installed in the cross flow air chamber 38, and the cool air or hot air generated from the biosafety air manufacturing chamber 32 is directionally guided into the air hose 4 and the heat or cool air generated in the heat dissipation chamber 33 is directionally discharged out of the heat dissipation chamber by the action of the cross flow fan 310. A detention area is also arranged between the cross-flow air cavity 38 and the air supply outlet 34 and the air dispersion outlet 36, and cold air or hot air can be discharged after being temporarily detained in the detention area, so that the condition that the cold air or the hot air cannot be blown out due to the fact that the air is blown back to the air outlet of the cross-flow air cavity 38 in a rebounding mode is avoided. The semiconductor chilling plate 311 is arranged between the bio-safe air manufacturing chamber 32 and the air diffusion chamber 33, the semiconductor chilling plate 311 can be designed with a chilling surface or a heating surface according to the requirement, if cold air needs to be supplied, the chilling surface is arranged towards the bio-safe air manufacturing chamber 32, and if warm air needs to be supplied, the heating surface is arranged towards the bio-safe air manufacturing chamber 32; or two semiconductors are adopted, and the conversion of the heating surface and the refrigerating surface of the semiconductor refrigerating sheet can be changed by changing the direction of current through the micro-geometric structure construction. The cooling surface and the heat radiation surface of the semiconductor cooling plate 311 are both provided with heat radiation fins 312, and the heat radiation fins 312 are vertically arranged and parallel to the direction of the air flow, so that the passing of the air flow is not greatly influenced. The shell 31 is provided with a storage battery 315 for supplying power to the controller 313 through a battery box 314, the specific mounting structure is that the left side surface and the right side surface of the shell 31 are respectively provided with one battery box 314, and the storage battery 315 is detachably mounted in the battery boxes 314; the 2 batteries 315 continuously and alternately supply power to the controller 313, namely the batteries 315 are used for standby, when the electric quantity of one group of batteries is about to be exhausted, the batteries are automatically switched to the other group of batteries for supplying power, and a wearer is reminded to replace the batteries with the electric quantity about to be exhausted in time, so that the semiconductor unit can work continuously for a long time. The controller 314 is arranged on the front surface of the shell 31, and the controller 314 is provided with buttons and working indicator lamps such as a switch, power adjustment, wind power adjustment, time adjustment and the like and is provided with an alarm. The cross-flow fan 310 and the semiconductor refrigeration sheet 311 are electrically connected with the controller 313, and the working power and the working time of the semiconductor refrigeration sheet 311 and the cross-flow fan 310 are adjusted through the controller 313. The back of the housing 31 is provided with a connection buckle 316 for mounting the air conditioner body 3 on the ventilation belt 2.

The ventilation waistband 1 of the embodiment comprises a flexible ventilation waistband body 11, ventilation parts 12, ventilation waistband buckles 13 and draw hooks 14, wherein the flexible ventilation waistband body 11 is provided with six ventilation parts 12 and one ventilation waistband buckle 13; the ventilation part 12 is vertically arranged, the whole ventilation part is of a rigid structure, the cross section of the ventilation channel is a semicircle, and after the ventilation waistband 1 is tightened, cold air or hot air blown from the top of the head of the protective clothing can penetrate through the ventilation part 12 to the leg from top to bottom; the inboard bottom of portion of ventilating 12 up be provided with the drag hook 14 of tractive protective clothing, be provided with the hook area on the relevant position of protective clothing, the drag hook is from up inserting the hook in-band down during the use, forms the passageway of ventilating to the portion of hooking into the portion of ventilating of protective clothing, can smoothly pass the waistband of ventilating, flow to the shank when making things convenient for air conditioning or steam to pour into protective clothing upper portion, can mention protective clothing simultaneously and prevent the tenesmus.

In order to ensure safe use, sensors such as an oxygen sensor, a temperature and humidity sensor, a germ detection sensor and the like should be arranged inside the protective clothing. Be provided with oxygen sensor 4 among the technical scheme of this embodiment, oxygen sensor 4 sets up in air feed outlet 34, and oxygen sensor 4 and controller 313 electric connection, mainly used detect whether inside oxygen content and the temperature of input protective clothing reach standard, and controller 313 can send out the police dispatch newspaper immediately when not reaching standard.

Although particular embodiments of the present invention have been described and illustrated in detail, it should be noted that various changes and modifications could be made to the above-described embodiments without departing from the spirit of the invention and the scope of the appended claims.

Claims

1. A protective clothing air conditioning unit comprises a ventilation waistband (1), an air hose (2) and an air conditioner body (3), wherein the air conditioner body (3) is worn on the back waist of a user through the ventilation waistband (1); the air conditioner body (3) provides warm air or cold air which meets the biological safety requirement for the interior of the protective clothing through the air hose (2);

the air conditioner is characterized in that the air conditioner body (3) comprises a shell (31), a biological safe air manufacturing chamber (32), an air dispersing chamber (33), an air supply outlet (34), a filter (35), an air dispersing outlet (36), an air inlet (37), a cross-flow air cavity (38), a guide plate (39), a cross-flow fan (310), a semiconductor refrigerating sheet (311), a radiating fin (312), a controller (313), a battery box (314), a storage battery (315) and a connecting buckle (316), wherein the biological safe air manufacturing chamber (32) and the air dispersing chamber (33) are adjacently and independently arranged in the shell (31); an air supply outlet (34) is arranged on the top of the biological safety air manufacturing chamber (32), and the air supply outlet (34) is connected with the air conveying hose (2); a filter (35) is arranged at the lower part of the outer side surface or/and the bottom surface of the biological safe air manufacturing chamber (32); an air outlet (36) is arranged at the top of the air dispersion chamber (33), and an air inlet (37) is arranged at the bottom of the air dispersion chamber (33); the upper parts of the biological safety air manufacturing chamber (32) and the air dispersing chamber (33) are provided with a through-flow air cavity (38), and the through-flow air cavity (38) is surrounded by two guide plates (39); the cross-flow fan (310) is arranged in the cross-flow air cavity (38), and under the action of the cross-flow fan (310), air in the biological safety air manufacturing chamber (32) and the air dispersing chamber (33) flows directionally and is discharged upwards through the cross-flow air cavity (38); the semiconductor chilling plate (311) is arranged between the biosafety air manufacturing chamber (32) and the air dispersing chamber (33), and the orientation of a chilling surface or a heating surface of the semiconductor chilling plate (311) is selected when the air conditioner body (1) is installed according to the requirement of providing warm air or cold air; the cooling surface and the radiating surface of the semiconductor cooling plate (311) are both provided with radiating fins (312); a storage battery (315) for supplying power to the controller (313) is arranged on the shell (31) through a battery box (314); the controller (314) is arranged on the front surface of the shell (31), and the cross-flow fan (310) and the semiconductor refrigeration sheet (311) are electrically connected with the controller (313); the back of the shell (31) is provided with a connecting eye-splice (316) for installing the air conditioner body (3) on the ventilating belt (2).

2. A protective clothing air conditioning unit as claimed in claim 1, wherein a battery case (314) is provided on each of the left and right sides of the housing (31), and a battery (315) is detachably mounted in the battery case (314); the 2 accumulators (315) continuously and alternately supply power to the controller (313).

3. Air conditioning unit for protective clothing according to claim 2, characterized in that the filter (35) is arranged to be detachably and sealingly attached to the outside of the biosafety air production room (32).

4. A protective clothing air conditioning assembly as claimed in claim 3 wherein a stagnant zone exists between the outlet of the cross flow air chamber (38) and the supply air outlet (34) or the exhaust air outlet (36).

5. The protective suit air conditioning unit of any one of claims 1-4, further comprising a remote controller, said remote controller being in wireless communication with the controller (313); the remote controller is inserted on the ventilating belt (1) positioned on the front surface of the body.

6. A protective clothing air conditioning unit as claimed in claim 5, wherein the air outlet openings (36) are arranged to the left and right and are slightly inclined upwardly or are horizontally directed outwardly.

7. The protective clothing air conditioning unit as claimed in claim 6, characterized in that the air hose (2) is detachably connected to the upper part of the protective clothing and the air conditioner body (3).

8. The protective clothing air conditioning unit as claimed in claim 7, wherein the ventilating belt (1) is composed of a flexible ventilating belt body (11), a ventilating part (12), a ventilating belt buckle (13) and a draw hook (14), and the flexible ventilating belt body (11) is provided with a plurality of ventilating parts (12) and a ventilating belt buckle (13); the ventilation part (12) is provided with a convex and vertical ventilation channel, and after the ventilation waistband (1) is tightened, cold air blown from the upper part of the protective clothing can pass through the ventilation waistband (1) from top to bottom to reach the legs through the ventilation part (12); the bottom of the inner side of the ventilation part (12) is upwards provided with a draw hook (14) for drawing the protective clothing.

9. The protective clothing air conditioning unit as claimed in claim 8, further comprising an oxygen sensor (4), wherein the oxygen sensor (4) is disposed in the air supply outlet (34), and the oxygen sensor (4) is electrically connected to the controller (313).