CN213208106U

CN213208106U - Backpack fresh air device

Info

Publication number: CN213208106U
Application number: CN202021592536.4U
Authority: CN
Inventors: 赵伟博; 郑旭飞
Original assignee: Shaanxi Polytechnic Institute
Current assignee: Shaanxi Polytechnic Institute
Priority date: 2020-08-04
Filing date: 2020-08-04
Publication date: 2021-05-14
Anticipated expiration: 2030-08-04

Abstract

The utility model relates to the field of medical equipment, in particular to a backpack fresh air device, which comprises a back plate, a wind generating component and a binding belt component, wherein the wind generating component is fixedly connected to the outer surface of the back plate, and the binding belt component is used for binding the back plate on a human body; the air generating assembly comprises a shell and a cover plate, an air inlet and an air outlet are formed in the shell, a rechargeable battery and a ducted fan are arranged in the shell, the rechargeable battery is electrically connected with the ducted fan, an air inlet of the ducted fan is communicated with the air inlet, and an air outlet of the ducted fan is communicated with the air outlet; an air pipe interface used for connecting an air conveying pipe is arranged on the air outlet. The utility model discloses technical scheme for prior art, it is convenient to dress and dismantle, can accelerate circulation of air in the protective clothing, can also prevent that the goggles from hazing for protective clothing, protective mask provide the air after filtering.

Description

Backpack fresh air device

Technical Field

The utility model relates to the field of medical equipment, concretely relates to backpack new trend device.

Background

During epidemic situations, workers in medical care and other industries respectively conduct their own duties and leave the day and night, and the steel great wall is built for the health and safety of people's lives by using sweat and lives of the workers. Medical personnel have to wear sealed protective clothing, protective masks and protective goggles in order to protect the medical personnel, but the sealed protective clothing is not breathable, and particularly in summer, the protective clothing is stuffy and difficult to block, and water vapor in the protective clothing cannot be discharged, so that the medical personnel are injured; the goggles are easy to condense water vapor to block the sight; the N95 mask worn by medical staff has weak air permeability because of strong filtering performance.

Therefore, how to design a fresh air device for medical staff is a technical problem which needs to be solved by the technical staff in the field at present.

Disclosure of Invention

For solving the technical problem, the main object of the utility model is to provide a backpack new trend device ties up and ties up in medical personnel on one's body, can lightly carry clean air for protective clothing, protective mask, circulation of air in protective clothing, the protective mask with higher speed.

In order to achieve the above purpose, the present invention adopts the following technical solution.

A backpack fresh air device comprises a back plate, a wind generating assembly and a binding band assembly, wherein the wind generating assembly is fixedly connected to the outer surface of the back plate, and the binding band assembly is used for binding the back plate on a human body; the air generating assembly comprises a shell and a cover plate, an air inlet and an air outlet are formed in the shell, a rechargeable battery and a ducted fan are arranged in the shell, the rechargeable battery is electrically connected with the ducted fan, an air inlet of the ducted fan is communicated with the air inlet, and an air outlet of the ducted fan is communicated with the air outlet; an air pipe interface used for connecting an air conveying pipe is arranged on the air outlet.

Further, a partition board is vertically arranged in the shell, the partition board divides the interior of the shell into a left cavity and a right cavity, and a ducted fan is arranged in each cavity.

Further, still include the filter cartridge, be provided with the air filter material in the filter cartridge, the filter cartridge is detachable to be connected on the air inlet of casing.

Further, still include control assembly, control assembly contains the preceding fixed plate, is provided with the speed regulator on the preceding fixed plate, and the speed regulator is connected with rechargeable battery, duct fan electricity, and the speed regulator is used for adjusting duct fan's rotational speed.

Furthermore, two speed regulating knobs are arranged on the speed regulator and are respectively used for controlling the rotating speed of the ducted fans in the left chamber and the right chamber.

Further, the bandage subassembly contains about two shoulder belts and about two waistbands, and every shoulder belt is provided with the quick detach buckle, and every waistband is provided with the quick detach buckle.

Further, the inner surface of the back plate is provided with a close-fitting soft cushion.

Further, an air channel is arranged on the close-fitting cushion.

Further, a wood damping sheet is arranged between the back plate and the shell.

The utility model discloses technical scheme for prior art, it is convenient to dress and dismantle, can accelerate circulation of air in the protective clothing, can also prevent that the goggles from hazing for protective clothing, protective mask provide the air after filtering.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

FIG. 1 is a schematic perspective view of the backpack type fresh air device of the present invention;

FIG. 2 is another schematic perspective view of the backpack fresh air device of the present invention;

FIG. 3 is an exploded view of the perspective view of FIG. 2;

FIG. 4 is an assembled view of the housing, ducted fan, and filter cartridge;

in the above figures: 1 a back plate; 2, a shell; 3, covering a plate; 4, an air outlet; 5 a ducted fan; 6, an air pipe interface; 7 a partition board; 8, a filter box; 9, a front fixing plate; 10, a speed regulator; 11 shoulder straps; 12 a waistband; 13, quickly disassembling the buckle; 14, a close-fitting cushion; 15 wooden shock absorbing sheet.

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments accompanied with figures are described in detail below.

In the following description, specific details are set forth in order to provide a thorough understanding of the present invention. The invention can be implemented in a number of other ways than those described herein, and those skilled in the art will be able to make similar generalizations without departing from the spirit of the invention. The invention is therefore not limited to the specific embodiments disclosed below.

During epidemic situations, workers in medical care and other industries respectively conduct their own duties and leave the day and night, and the steel great wall is built for the health and safety of people's lives by using sweat and lives of the workers. Medical personnel have to wear sealed protective clothing, protective masks and protective goggles in order to protect themselves. However, the sealed protective clothing is not breathable, and particularly in summer, the protective clothing is stuffy and difficult to block, and water vapor in the protective clothing cannot be discharged, so that medical workers are injured; the goggles are easy to condense water vapor to block the sight; the N95 mask worn by medical staff has weak air permeability because of strong filtering performance. Therefore, there is an urgent need for a device that can provide fresh and clean air to medical personnel.

Referring to fig. 1, 2 and 3, a backpack type fresh air device includes a back plate 1, a wind generating assembly fixedly connected to an outer surface of the back plate 1, and a binding assembly for binding the back plate 1 to a human body; the wind generating assembly comprises a shell 2 and a cover plate 3, wherein a gas inlet and a gas outlet 4 are arranged on the shell 2, a rechargeable battery and a ducted fan 5 are arranged in the shell 2, the rechargeable battery is electrically connected with the ducted fan 5, a wind inlet of the ducted fan 5 is communicated with the gas inlet, and a wind outlet of the ducted fan 5 is communicated with the gas outlet 4; and an air pipe connector 6 for connecting an air conveying pipe is arranged on the air outlet 4.

In the above embodiment, after the medical care personnel wear the protective clothing and the goggles, the backpack fresh air device is worn on the body. The protective clothing is provided with an air inlet nozzle and an air exhaust nozzle, and the air pipe connector 6 is connected with the air inlet nozzle of the protective clothing by a gas pipe, so that fresh air can be input into the protective clothing. The air pipe can also be led to the goggles to blow air towards the goggles, so that the goggles can be prevented from generating water mist. The backpack fresh air device is powered by a rechargeable battery, the ducted fan 5 filters and sucks air to be output to the protective clothing, the protective mask and the goggles, air ventilation in the protective clothing can be accelerated, and water vapor is discharged; the interior of the protective clothing or the protective mask is positive pressure, so that viruses in the air can be prevented from entering the protective clothing from gaps.

Further, referring to fig. 4, a partition 7 is vertically disposed in the casing 2, the partition 7 divides the inside of the casing 2 into a left chamber and a right chamber, and one ducted fan 5 is disposed in each chamber.

Still include filter box 8, be provided with the air filter material in the filter box 8, filter box 8 is detachable connects on the air inlet of casing 2.

Because cleanliness factor, the demand of protective clothing, goggles, protective mask to the air are different, in the above embodiment, cut apart into two cavities through baffle 7 in with casing 2, the air output of two cavities can be adjusted wantonly to satisfy different air demand. The air inlets of the two chambers are respectively provided with filter boxes 8 with different filter levels, the filter level is high and is connected with a protective mask, and the filter level is low and is connected with protective clothing and goggles.

Further, the ducted fan control device further comprises a control assembly, wherein the control assembly comprises a front fixing plate 9, a speed regulator 10 is arranged on the front fixing plate 9, the speed regulator 10 is electrically connected with the rechargeable battery and the ducted fan 5, and the speed regulator 10 is used for regulating the rotating speed of the ducted fan 5. The speed regulator 10 is provided with two speed regulating knobs which are respectively used for controlling the rotating speed of the ducted fans 5 in the left chamber and the right chamber.

In the above embodiment, it is preferable that each ducted fan 5 is provided with an independent speed control knob to facilitate control of the amount of air used at each location.

Further, the strap assembly comprises a left shoulder strap 11, a right shoulder strap 11, a left waist strap 12, a right waist strap 12, a quick release buckle 13 arranged on each shoulder strap 11, and a quick release buckle 13 arranged on each waist strap 12.

In the above embodiment, the strap assembly is composed of the shoulder strap 11 and the waist belt 12, and the quick-release buckle 13 is used in cooperation, so that the strap assembly is convenient to disassemble and assemble, and saves time for medical staff.

Further, since the ducted fan 5 vibrates during rotation, the inner surface of the back plate 1 is provided with a close-fitting cushion 14. In order to add back air circulation, the body side cushion 14 is provided with an air channel.

Further, a wooden shock absorbing sheet 15 is arranged between the back plate 1 and the shell 2.

Although the invention has been described in detail in this specification with reference to specific embodiments and illustrative embodiments, it will be apparent to those skilled in the art that certain changes and modifications can be made therein without departing from the scope of the invention. Accordingly, such modifications and improvements are intended to be within the scope of the invention as claimed.

Claims

1. The backpack fresh air device is characterized by comprising a back plate (1), a wind generating assembly and a binding belt assembly, wherein the wind generating assembly is fixedly connected to the outer surface of the back plate (1), and the binding belt assembly is used for binding the back plate (1) to a human body;

the wind generating assembly comprises a shell (2) and a cover plate (3), wherein a gas inlet and a gas outlet (4) are formed in the shell (2), a rechargeable battery and a ducted fan (5) are arranged in the shell (2), the rechargeable battery is electrically connected with the ducted fan (5), a wind inlet of the ducted fan (5) is communicated with the gas inlet, and a wind outlet of the ducted fan (5) is communicated with the gas outlet (4); and an air pipe interface (6) used for connecting an air conveying pipe is arranged on the air outlet (4).

2. The backpack type fresh air device according to claim 1, wherein a partition plate (7) is vertically arranged in the shell (2), the partition plate (7) divides the interior of the shell (2) into a left chamber and a right chamber, and each chamber is internally provided with one ducted fan (5).

3. The backpack fresh air device according to claim 1, further comprising a filter box (8), wherein an air filter material is disposed in the filter box (8), and the filter box (8) is detachably connected to the air inlet of the housing (2).

4. The backpack fresh air device according to claim 1, further comprising a control assembly, wherein the control assembly comprises a front fixing plate (9), a speed regulator (10) is disposed on the front fixing plate (9), the speed regulator (10) is electrically connected with the rechargeable battery and the ducted fan (5), and the speed regulator (10) is used for adjusting the rotation speed of the ducted fan (5).

5. The backpack fresh air device according to claim 4, wherein the speed controller (10) is provided with two speed adjusting knobs for controlling the rotation speed of the ducted fans (5) in the left and right chambers, respectively.

6. Backpack air freshening device according to claim 1, in which the harness assembly comprises two left and right shoulder straps (11) and two left and right waist straps (12), each shoulder strap (11) being provided with a quick release buckle (13) and each waist strap (12) being provided with a quick release buckle (13).

7. Backpack fresh air device according to claim 1, characterized in that the inner surface of the back plate (1) is provided with a body fitting cushion (14).

8. The backpack fresh air device according to claim 7, wherein the close-fitting cushion (14) is provided with an air channel.

9. Backpack fresh air device according to claim 7, wherein a wooden damping sheet (15) is arranged between the back plate (1) and the housing (2).