CN212593577U - Braces formula respiratory purification device - Google Patents
Braces formula respiratory purification device Download PDFInfo
- Publication number
- CN212593577U CN212593577U CN202020992878.9U CN202020992878U CN212593577U CN 212593577 U CN212593577 U CN 212593577U CN 202020992878 U CN202020992878 U CN 202020992878U CN 212593577 U CN212593577 U CN 212593577U
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- filter screen
- fan
- hood
- filter
- air
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Abstract
The utility model discloses a purifier is breathed to braces formula, include: the filter comprises a shell, a multi-stage filter screen, a fan, a mobile power supply and a switch; the head cover is communicated with the filter through a pipeline, a transparent visual panel is arranged on the side face of the head cover, and an air supply outlet is arranged above the visual panel; the back belt and the filter are fixed on the back belt. The utility model can effectively purify the air entering the head cover by arranging the multi-stage filter screen; set up the supply-air outlet through being located visual panel upper portion in hood inside, can make the braces person be alert and quiet on the one hand, have good comfort, on the other hand can guarantee to keep positive atmospheric pressure throughout in the hood, effectively prevent that the harmful substance among the hood outside air from flowing into inside the hood, and at last, set up the supply-air outlet on visual panel upper portion and can effectively avoid because the fog that the person of wearing exhales the production condenses on visual panel and causes the blurred condition of visual panel, guarantee visual panel's transparency.
Description
Technical Field
The utility model relates to a personal safety protective articles for use field, more specifically say so and relate to a braces formula respiratory purification device.
Background
For constructors in operating environments with a large amount of dust or toxic and harmful substances, personal safety protection is very important, in the prior art, the constructors in the operating environments generally need to wear simple single-layer or multi-layer masks or protective masks, but most protective tools have limited filtering effect, feel very stuffy and worried after being worn for a long time, and due to expiration and inspiration of people, harmful substances easily enter the noses of the people from the side edges of the protective tools during inspiration, and have very limited filtering effect.
Therefore, it is desirable to provide a strapped respiratory purification device that overcomes the above problems. Is a problem that needs to be solved by those skilled in the art.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a braces formula respiratory purification device.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a strapped respiratory purification device comprising:
the filter comprises a shell, a multi-stage filter screen, a fan, a mobile power supply and a switch, wherein the multi-stage filter screen comprises a coarse filter screen, a fine filter screen and a HEPA filter screen;
the air supply device comprises a cylindrical hood, wherein an air supply outlet is formed in the hood and is communicated with an air outlet in a fan through a pipeline, a transparent visual panel is arranged on the side face of the hood, the air supply outlet is positioned in the hood and above the visual panel, and an air outlet channel is formed in the lower end of the hood;
a harness, the filter being secured to the harness.
According to the technical scheme, compared with the prior art, the utility model discloses a brace type breathing purification device, the utility model can effectively purify the air entering the head cover by arranging the multi-stage filter screen; by arranging the mobile power supply, the limitation of the range of motion of a suspender can be effectively avoided; set up the supply-air outlet through being located visual panel upper portion in hood inside, can make the braces person be alert and quiet on the one hand, have good comfort, on the other hand can guarantee to keep positive atmospheric pressure throughout in the hood, effectively prevent that the harmful substance among the hood outside air from flowing into inside the hood, and at last, set up the supply-air outlet on visual panel upper portion and can effectively avoid because the fog that the person of wearing exhales the production condenses on visual panel and causes the blurred condition of visual panel, guarantee visual panel's transparency.
Preferably, a filter cavity and an exhaust cavity communicated with the filter cavity are sequentially arranged in the shell, a filter screen support frame is installed in the filter cavity, an air inlet is formed in the shell corresponding to the filter cavity, and a coarse filter screen, a fine filter screen and an HEPA filter screen which are sequentially arranged in the filter screen support frame are arranged from the air inlet to one side of the exhaust cavity;
the exhaust cavity is internally fixed with a fan support frame and a fan arranged on the fan support frame, the fan support frame is provided with a through hole communicated with an air inlet on the fan, the through hole is communicated with the filter screen support frame, and an air outlet of the fan is communicated with one end of the pipeline. Most of particle harmful substances in the air can be effectively filtered by arranging the coarse filter screen and the fine filter screen, the efficiency of removing particles with the diameter of more than 0.3 micrometer can reach more than 99.97 percent by arranging the HEPA filter screen behind the fine filter screen, and extremely tiny toxic and harmful particles in the air can be effectively filtered.
Preferably, the fan is a centrifugal fan. The centrifugal fan has good air draft effect, low power consumption, low noise and stable operation, and is suitable for long-distance air supply.
Preferably, the portable power source is arranged in the exhaust cavity, the switch is arranged on the side face of the shell, the portable power source is electrically connected with the switch, and the switch is electrically connected with the fan. The limitation of the range of motion of a wearer can be avoided by arranging the mobile power supply.
Preferably, the top of the hood is closed, and the bottom of the hood is a trumpet-shaped opening. The arrangement can ensure that an effective space which is filled with clean air can be formed in the hood; the bottom adopts the arc opening can guarantee the travelling comfort of the person of wearing to the hood is worn easily.
Through foretell technical scheme, compare with prior art, the utility model discloses a braces formula respiratory purification device is provided. The following technical effects can be achieved:
the utility model can effectively purify the air entering the head cover by arranging the multi-stage filter screen; by arranging the mobile power supply, the limitation of the range of motion of a suspender can be effectively avoided; set up the supply-air outlet through being located visual panel upper portion in hood inside, can make the braces person be alert and quiet on the one hand, have good comfort, on the other hand can guarantee to keep positive atmospheric pressure throughout in the hood, effectively prevent that the harmful substance among the hood outside air from flowing into inside the hood, and at last, set up the supply-air outlet on visual panel upper portion and can effectively avoid because the fog that the person of wearing exhales the production condenses on visual panel and causes the blurred condition of visual panel, guarantee visual panel's transparency.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required 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 embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
FIG. 1 is a cross-sectional view of a first strap-type respiratory purification apparatus;
figure 2 the accompanying drawing is a second cross-sectional view of a strapped respiratory purification device.
In the figure:
1 is a filter, 10 is a shell, 100 is a filter cavity, 1000 is a filter screen support frame, 101 is an exhaust cavity, 1010 is a fan support frame, 10100 is a through hole, 102 is a cover plate, 1020 is a pipeline interface, 103 is a panel, 1030 is an air inlet, 11 is a multi-stage filter screen, 110 is a coarse filter screen, 111 is a fine filter screen, 112 is an HEPA filter screen, 12 is a fan, 120 is an air inlet, 121 is an air outlet, 13 is a mobile power supply, 14 is a switch, 2 is a pipeline, 3 is a head cover, 30 is an air supply outlet, 31 is a visible panel, 4 is a shoulder strap, and 40 is a backpack.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below, and it should be understood that the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The utility model discloses a brace type breathing purification device, which can effectively purify the air entering the head cover by arranging a multi-stage filter screen; by arranging the mobile power supply, the limitation of the range of motion of a suspender can be effectively avoided; set up the supply-air outlet through being located visual panel upper portion in hood inside, can make the braces person be alert and quiet on the one hand, have good comfort, on the other hand can guarantee to keep positive atmospheric pressure throughout in the hood, effectively prevent that the harmful substance among the hood outside air from flowing into inside the hood, and at last, set up the supply-air outlet on visual panel upper portion and can effectively avoid because the fog that the person of wearing exhales the production condenses on visual panel and causes the blurred condition of visual panel, guarantee visual panel's transparency.
Examples
Referring to fig. 1-2, the present invention provides a back strap type breathing purification device, which comprises: the filter 1, the filter 1 includes the body 10, the multistage filter screen 11, the blower 12, the portable power source 13, the switch 14, the multistage filter screen 11 includes the coarse filter screen 110, the fine filter screen 111 and HEPA filter screen 112; a cylindrical head cover 3, wherein the head cover 3 is communicated with the filter 1 through a pipeline 2, a transparent visual panel 31 is arranged on the side surface of the head cover 3, and a circular air supply opening 30 is arranged in the head cover 3 and positioned at the upper part of the visual panel 31; the back belt 4, the filter 1 is fixed on the back belt 4.
Casing 10, casing 10 are square, and casing 10 top is fixed with detachable apron 102, is provided with one side detachable panel 103 on the casing 10, has set gradually filter chamber 100 and the chamber 101 of airing exhaust that communicates with filter chamber 100 inside casing 10 and along the shell length direction, has seted up pipeline interface 1020 on the apron 102 on the position that lies in the chamber 101 of airing exhaust.
The filter chamber 100, the filter chamber 100 is provided with an air inlet 1030, a coarse filter 110, a fine filter 111, a HEPA filter 112 and a filter support frame 1000 in sequence along the shell length direction of the casing 10, and the coarse filter 110, the fine filter 111 and the HEPA filter 112 are clamped inside the filter support frame 1000 in sequence. The outside joint of filter screen support frame 1000 is inside casing 10, and income wind gap 1030 is square and sets up the position department placed in the middle on detachable panel 103, and filter screen support frame 1000 is a square frame, and coarse strainer 110, secondary filter 111 and HEPA filter screen 112 joint in proper order is in the inside of filter screen support frame 1000, and the filter material of coarse strainer 110 is high-quality non-woven fabrics, and the filter material of secondary filter 111 is superfine glass fiber paper, and the filter material of HEPA filter screen 112 is PP filter paper.
Portable power source 13 joint is in airing exhaust chamber 101, opens apron 102, can take out portable power source 13, and portable power source 13 adopts voltage to be 5V, and the capacity is 10000 milliamperes rechargeable battery for fan 12 power supply, and switch 14 sets up the side at casing 10, and portable power source 13 passes through the wire with switch 14 and is connected, and switch 14 passes through the wire with fan 12 and is connected.
Hood 3 adopts high-quality engineering plastic casting to form, and hood 3 top is sealed, and the bottom is tubaeform opening, and the hole that is used for installing visual panel 31 is seted up to hood 3 side, and visual panel 31 adopts polymethyl methacrylate to make as the raw materials to adopt sticky mode to fix on hood 3 lateral wall.
The shoulder straps 4 are in the form of backpack, the number of the shoulder straps 4 is two, the backpack 40 for loading the filter is sewed on the shoulder straps 4, and the backpack 40 is porous and is woven by breathable cloth.
The working principle and the using method of the strap type breathing purification device are as follows:
due to the air draft effect of the fan 12, the outside air passes through the coarse filter 110, the fine filter 111 and the HEPA filter 112 in sequence to realize the filtration of the outside air, the filtered clean air is discharged from the air outlet 121 of the centrifugal fan 12 and is transmitted to the air supply opening 30 through the pipeline 2, the air supply opening 30 is discharged downwards from the upper part of the visible panel 31 in the hood 3, and on the one hand, a positive pressure environment is always maintained in the hood 3; on the other hand, the air supply opening 30 blows air downwards at the upper part of the visual panel 31, heat and water vapor generated when a user exhales can be blown away by fresh air in time, and condensation of water drops on the visual panel 31 is avoided.
In use, the device is worn by first opening the switch 14 and placing the filter 1 in the backpack 40, carrying the harness 4 on the user's back, and then carrying the hood 3.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (5)
1. A braces formula respiratory purification device, characterized by, includes:
the filter (1), the filter (1) includes the body (10), the multi-stage filter screen (11), the blower (12), the portable power source (13), the switch (14), the said multi-stage filter screen (11) includes the coarse filter screen (110), the fine filter screen (111) and HEPA filter screen (112);
the air conditioner comprises a cylindrical hood (3), wherein an air supply opening (30) is formed in the hood (3), the air supply opening (30) is communicated with an air outlet (121) in a fan (12) through a pipeline (2), a transparent visual panel (31) is arranged on the side face of the hood (3), the air supply opening (30) is located in the hood (3) and above the visual panel (31), and an air outlet channel is formed in the lower end of the hood;
a back belt (4), wherein the filter (1) is fixed on the back belt (4).
2. The strapped respiratory purification device of claim 1, wherein: a filter chamber (100) and an exhaust chamber (101) communicated with the filter chamber (100) are sequentially arranged in the shell (10), a filter screen support frame (1000) is installed in the filter chamber (100), an air inlet (1030) is formed in the shell (10) corresponding to the filter chamber (100), and a coarse filter screen (110), a fine filter screen (111) and an HEPA filter screen (112) which are sequentially arranged in the filter screen support frame (1000) are arranged from the air inlet (1030) to one side of the exhaust chamber (101);
exhaust chamber (101) internal fixation has fan support frame (1010) and installs fan (12) on fan support frame (1010), fan support frame (1010) are gone up to open and are had the intercommunication through-hole (10100) of air intake (120) on fan (12), through-hole (10100) with filter screen support frame (1000) intercommunication, air outlet (121) of fan (12) with the one end intercommunication of pipeline (2).
3. The strapped respiratory purification device of claim 1, wherein: the fan (12) is a centrifugal fan.
4. The strapped respiratory purification device of claim 2, wherein the mobile power source (13) is disposed in the exhaust chamber (101), the switch (14) is disposed at a side of the housing (10), the mobile power source (13) is electrically connected to the switch (14), and the switch (14) is electrically connected to the fan (12).
5. The strapped respiratory purification device of claim 1, wherein: the top of the head cover (3) is closed, and the bottom of the head cover is a horn-shaped opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020992878.9U CN212593577U (en) | 2020-06-03 | 2020-06-03 | Braces formula respiratory purification device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020992878.9U CN212593577U (en) | 2020-06-03 | 2020-06-03 | Braces formula respiratory purification device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212593577U true CN212593577U (en) | 2021-02-26 |
Family
ID=74722005
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020992878.9U Expired - Fee Related CN212593577U (en) | 2020-06-03 | 2020-06-03 | Braces formula respiratory purification device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212593577U (en) |
-
2020
- 2020-06-03 CN CN202020992878.9U patent/CN212593577U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210226 |
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| CF01 | Termination of patent right due to non-payment of annual fee |