CN212817678U

CN212817678U - Positive pressure type electric air supply respiration protection system and maintenance and sorting box thereof

Info

Publication number: CN212817678U
Application number: CN202020735831.4U
Authority: CN
Inventors: 赵吉星; 林超; 但佳洛; 陈英; 陈永义; 黄继承
Original assignee: Chengdu Jizhou Yanchuang Technology Co ltd
Current assignee: Chengdu Jizhou Yanchuang Technology Co ltd
Priority date: 2020-05-07
Filing date: 2020-05-07
Publication date: 2021-03-30
Anticipated expiration: 2030-05-07

Abstract

The utility model discloses a positive pressure type electric air supply respiratory protection system and a maintenance and arrangement box thereof, which comprises a protection shell, a cover plate and a ventilation hood, wherein the opening side and the opening side of the protection shell are provided with a reusable main filter material, the opening side of the protection shell is also buckled with the cover plate, the bottom of the cover plate is communicated with an air inlet, the top of the protection shell is communicated with an air outlet, the main filter material made of an ePTFE polytetrafluoroethylene air filtration membrane is adopted and is matched with the regular killing and cleaning of the maintenance and arrangement box, so that the relative service time of the filter material is prolonged, the cost of discarding the filter material is further reduced, a second ultraviolet bulb is utilized, a positive and negative rotation axial flow type electric fan is started and reversed, the dirt blocked on the main filter material is cleaned, the dirt is concentrated on an auxiliary protection filter material, the maintenance and killing of the positive pressure type electric air supply respiratory, meanwhile, under special conditions, the alarm lamp, the auxiliary security filter material and the standby battery can still ensure the normal operation of the system.

Description

Positive pressure type electric air supply respiration protection system and maintenance and sorting box thereof

Technical Field

The utility model relates to a protective apparatus field especially relates to electronic air supply of positive pressure type respiratory protection system and maintain the arrangement case thereof.

Background

The positive pressure type respiratory protection system has higher safety protection level than the negative pressure type respiratory protection equipment.

Most of electric air supply respiratory protection products in the current market are industrial safety protection equipment, mainly deal with the hazards in industrial environments such as particles, aerosol, organic gas and the like, and use a disposable filter material which is used for limited times. When dealing with the public health incident of proruption, because mainly deal with the microbial environment, the filter media is short relatively, abandons the filter media with high costs, and the cleaning and disinfecting flow is loaded down with trivial details, is difficult to popularize and use.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a positive pressure formula is electronic to supply air and is breathed protective system and maintain the arrangement case to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

positive pressure type electric air supply respiratory protection system, including protection casing, apron and ventilator cover, protection casing one side opening and opening side are provided with repeatedly usable's main filter media, and protection casing opening side still lock has the apron, and it has the air inlet to lead to the apron bottom, and protection casing top leads to there is the gas outlet, and the protection casing outside is provided with the battery, be provided with electric fan in the gas outlet, be provided with the inner tube in the ventilator cover, the inner tube passes through the air supply pipe intercommunication with the gas outlet, be provided with the vice dangerous filter media of guarantor of detachable between ventilator cover and the air supply pipe, protection casing side still is provided with bears the system, bears and installs the controller in the system, electric fan and battery are all through first wire and controller electric.

The main filter material is made of an ePTFE polytetrafluoroethylene air filter membrane.

The electric fan is a forward and reverse rotation axial flow fan.

The inner tube is arc and fixed mounting at the ventilation hood top, and a plurality of ventilation holes still lead to in the inner tube bottom.

The back carrying system comprises two telescopically adjustable back belts, two ends of each back belt are hinged to the top and the bottom of the protection shell respectively, a separable chest belt is further arranged between the two back belts, and the controller is arranged on the chest belt.

And a plurality of first leads are bundled to form a lead group, and the lead group is fixedly connected with the braces.

The protection casing outside still is provided with alarm lamp and stand-by battery, and the inside ultraviolet bulb that still is provided with of protection casing, still be provided with air cleanliness factor sensor and wind pressure sensor in the gas outlet, alarm lamp, stand-by battery, air cleanliness factor sensor, first ultraviolet lamp bubble and wind pressure sensor all are through first wire and controller electric connection.

The utility model provides a maintain arrangement case, includes that the electronic air supply of positive pressure breathes protective system, maintains arrangement case and includes box and case lid, and box one side opening and opening side articulate has the case lid, and the opening side of the box leads to there is the seal groove, installs the sealing strip in the seal groove, and inside power and the second ultraviolet bulb of being provided with of box, be provided with switch, power socket and plug on the power, the plug is located inside the box, and power socket and switch extend the box outside from the box lateral wall, the power passes through second wire electric connection with second ultraviolet lamp bubble, the plug matches the setting with the controller.

The side face of the maintenance and arrangement box is also provided with a hasp used for opening and closing the maintenance and arrangement box, the side face of the box body is provided with a plurality of side handles, and the box cover is provided with an upper handle.

The utility model has the advantages that:

1. adopt the main filter media of the used repeatedly who makes by ePTFE polytetrafluoroethylene air filtration membrane that protection casing opening side set up to the cooperation is maintained regularly of arrangement case and is killed the clearance, makes the relative live time of filter media lengthen, and then has reduced the cost of abandoning the filter media.

2. Install vice protection filter media on the air inlet, utilize the second ultraviolet bulb, start and reversal positive and negative axial-flow type electric fan that changes, clean filth that blocks on main filter media to concentrate on vice protection filter media with the filth, accomplish to the maintenance of positive pressure type electronic air supply respiratory protection system disappear and kill, it is simple to disappear and kill the maintenance flow, and is efficient, and simultaneously, the power still can charge for battery and stand-by battery, the preparation time of using again after the protection system that has significantly reduced maintains.

3. In the filtering operation process, if the wind pressure appears and is low excessively, appear that the wind pressure is low excessively, the air cleanliness factor after the filtration descends and power electric quantity/voltage crosses dangerous condition such as low excessively, the controller can control the alarm lamp and report to the police, and under this condition, the filtration of system still can be guaranteed to vice insurance filter media, and backup battery can replace the power supply simultaneously, and then makes the normal operating of system under the special circumstances can ensure.

Drawings

FIG. 1 is a schematic structural view of a positive pressure type electric air supply respiratory protection system;

FIG. 2 is a schematic diagram of a rear view of the assembled protective housing and cover plate of the positive pressure type electric air supply respiratory protection system;

FIG. 3 is a schematic diagram of a side view of a protective housing of the positive pressure type electrical supply respiratory protection system;

FIG. 4 is a schematic side view of a cover plate of the positive pressure type electric blower respiratory protection system;

FIG. 5 is a schematic structural view of the assembled protective casing and backpack system of the positive pressure type electric air supply respiratory protection system;

FIG. 6 is a schematic view of a hood of a positive pressure type electric blower respiratory protection system;

fig. 7 is a schematic view of a portion of the enlarged structure of fig. 6 according to the present invention;

FIG. 8 is a schematic view of the closed state of the maintenance and sorting box;

FIG. 9 is a schematic view of the maintenance and sorting box in an open state.

In the figure, a protective shell 1, a cover plate 2, an air inlet 2.1, an air outlet 1.1, an electric fan 1.11, a wind pressure sensor 1.12, an alarm lamp 1.2, a battery 1.3, a standby battery 1.4, a first ultraviolet bulb 1.5, a main filter material 1.6, a strap 3, a lead group 4, an auxiliary insurance filter material 5, an air supply pipe 6, a chest belt 7, a controller 8, a buckle 9, a ventilation hood 11, an inner pipe 11.1 and a ventilation hole 11.11 are arranged in the protective shell;

the multifunctional portable ultraviolet lamp comprises a box body 21, a power supply 22, a power socket 23, a switch 24, a plug 25, a second ultraviolet lamp bulb 26, a buckle 27, a box cover 28, a side handle 29 and a lifting handle 30.

Detailed Description

The technical solution of the present invention is described in further detail below with reference to the accompanying drawings, but the scope of the present invention is not limited to the following description.

Referring to fig. 1 to 9, the positive pressure type electric air supply respiratory protection system includes a protection casing 1, a cover plate 2 and a ventilator cover 11, wherein one side of the protection casing 1 is opened and the opening side is provided with a reusable main filter material 1.6 made of an ePTFE polytetrafluoroethylene air filtration membrane, and the filtration efficiency can reach more than 99.99% by using a filter material made of an ePTFE polytetrafluoroethylene air filtration membrane.

The opening side of the protective shell 1 is also buckled with a cover plate 2, the bottom of the cover plate 2 is communicated with an air inlet 2.1, (the air inlet 2.1 can be designed into a round pipe shape, a canister can be additionally arranged at the position of the air inlet 2.1 in the environment with organic steam and acid gas), the top of the protective shell 1 is communicated with an air outlet 1.1, the outer part of the protective shell 1 is provided with an alarm lamp 1.2, a battery 1.3 and a standby battery 1.4, the system adopts a double-battery power supply structure, the inner part of the protective shell 1 is provided with a first ultraviolet bulb 1.5, a positive and negative rotation axial-flow type electric fan 1.11, an air cleanliness sensor (not shown) and an air pressure sensor 1.12 are arranged in the air outlet 1.1, be provided with arc inner tube 11.1 in the ventilation hood cover 11, arc inner tube 11.1 fixed mounting is at ventilation hood cover 11 top, and a plurality of ventilation holes 11.11 have still been led to inner tube 11.1 bottom, and inner tube 11.1 and gas outlet 1.1 are through air supply pipe 6 intercommunication, be provided with the vice insurance filter media 5 of detachable between ventilation hood cover 11 and the air supply pipe 6.

During the filtering operation, the negative pressure generated by the rotation of the axial-flow electric fan 1.11 is sucked into the air inlet 1.1 of the protective shell 1, harmful substances such as solid particles containing bacteria and viruses and aerosol are removed through the main filter material 1.6 made of an ePTFE (expanded polytetrafluoroethylene) air filter membrane, the air is sent into the ventilator cover 11 through the air supply pipe 6, is downwards sprayed to the face of a user from the back to the front of the top of the inner side of the ventilator cover 11 in the forehead direction for the user to breathe, and is used for driving the exhaled waste gas to be discharged from the gap at the lower edge of the ventilator cover 11 under the action of the positive pressure in the ventilator cover 11.

Such gaseous flow direction can avoid gaseous directly blowing face portion, can avoid the face screen of ventilation hood 11 to play the fog simultaneously, and under the effect in ventilation hole 11.11, partly gaseous can shunt out to play the effect of user's head cooling.

During the filtration operation, the gas flows as indicated by the arrows in FIG. 6.

Protection casing 1 side still is provided with bears the system, bears and installs controller 8 in the system, just contra-rotating axial-flow type electric fan 1.11, wind pressure sensor 1.12, air cleanliness sensor, alarm lamp 1.2, battery 1.3, stand-by battery 1.4 and first ultraviolet bulb 1.5 all through first wire and 8 electric connection of controller, and a plurality of first wires that play the connection effect are tied up simultaneously and are formed wire group 4,

wire group

4 and 3 fixed connection of braces.

The above-mentioned electronic gas components are well known in the art and therefore will not be described herein.

Referring to fig. 5, the carrying system includes two telescopically adjustable straps 3, two ends of each strap 3 are fixedly connected to the top and the bottom of the protective casing 1, a detachable chest belt 7 is further disposed between the two straps 3, the detachment and the insertion of the chest belt 7 are achieved by using a buckle 9, and the controller 8 is disposed on the chest belt 7.

In the filtering operation process, if dangerous conditions such as too low wind pressure, reduced air cleanliness after filtering, too low power supply electric quantity/voltage and the like occur, the controller can control the alarm lamp 1.2 to alarm. Under the condition, the auxiliary safety filter material 5 arranged between the ventilation hood cover 11 and the air supply pipe 6 can still ensure the filtration of the system, and meanwhile, the standby battery 1.4 can supply power in a replacement mode, so that the normal operation of the system under special conditions can be guaranteed.

The maintenance and finishing box for maintaining the positive pressure type electric air supply respiratory protection system comprises a box body 21 and a box cover 28 hinged with the box body 21, wherein the box body 21 and the box cover 28 are buckled and opened or closed through buckles 27 positioned on the side surfaces of the box body 21, and the maintenance and finishing box is moved through a plurality of side handles 29 positioned on the side surfaces of the box body 21 and a lifting handle 30 positioned on the top of the box cover 28.

The top of box 21 leads to there is the seal groove, installs the sealing strip (not shown in the figure) in the seal groove, and box 21 is inside to be provided with power 22 and second ultraviolet bulb 26, be provided with switch 24, power socket 23 and plug 25 on the power 22, inside plug 25 is located box 21, and power socket 23 and switch 24 extend to the box 21 outside from the box 21 lateral wall, power 22 passes through second wire electric connection with second ultraviolet bulb 26.

The maintenance method for the maintenance and arrangement box comprises the following steps:

s1, after the positive pressure type electric air supply respiratory protection system is used, rotating a wind speed adjusting switch of the positive and negative rotation axial flow type electric fan 1.11 to the position of the maximum wind volume;

s2, spraying the positive pressure type electric air supply respiratory protection system with disinfectant liquid to preliminarily sterilize and clean;

s3, taking down the auxiliary protective filter material 5 and installing the auxiliary protective filter material on the air inlet 1.1;

s4, putting the positive-pressure electric air supply respiratory protection system into a maintenance box, and meanwhile inserting the plug 25 into the controller 8;

s5, covering the box cover 28, connecting the power supply 22 through the power socket 23 and the power cord, and pressing the power switch.

S6, the controller 8 starts the second ultraviolet bulb 26 at first, ozone is generated by ultraviolet irradiation to kill microorganisms, then the forward and reverse axial flow type electric fan 1.11 is started and reversed, the forward and reverse axial flow type electric fan 1.11 blows air to the inside of the protection shell 1, dirt blocked on the main filter material 1.6 is cleaned, the dirt is concentrated on the auxiliary protection filter material 5, and meanwhile, the controller 8 controls the power supply 22 to charge the battery 1.3 and the standby battery 1.4 while maintaining the forward and reverse pressure type electric air supply respiratory protection system for the next use.

The foregoing is illustrative of the preferred embodiments of the present invention, and it is to be understood that the invention is not limited to the precise forms disclosed herein, and that various other combinations, modifications, and environments may be resorted to, falling within the scope of the invention as defined by the appended claims. But that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention, which is to be limited only by the claims appended hereto.

Claims

1. Electronic air supply of positive pressure respiratory protection system, including protecting casing (1), apron (2) and hood (11), its characterized in that: the reusable main filter material (1.6) is arranged at the opening side and the opening side of one side of the protection shell (1), the cover plate (2) is buckled at the opening side of the protection shell (1), the air inlet (2.1) is communicated at the bottom of the cover plate (2), the air outlet (1.1) is communicated at the top of the protection shell (1), the battery (1.3) is arranged outside the protection shell (1), an electric fan (1.11) is arranged in the air outlet (1.1), an inner pipe (11.1) is arranged in the ventilation hood cover (11), the inner pipe (11.1) is communicated with the air outlet (1.1) through an air supply pipe (6), a detachable auxiliary safety filter material (5) is arranged between the ventilation head cover (11) and the air supply pipe (6), the side surface of the protective shell (1) is also provided with a bearing system, a controller (8) is arranged in the bearing system, the electric fan (1.11) and the battery (1.3) are electrically connected with the controller (8) through a first lead.

2. A positive pressure, electrically powered air delivery, respiratory protection system as claimed in claim 1, wherein: the main filter material (1.6) is made of an ePTFE polytetrafluoroethylene air filter membrane.

3. A positive pressure, electrically powered air delivery, respiratory protection system as claimed in claim 1, wherein: the electric fan (1.11) is a forward and reverse rotation axial flow fan.

4. A positive pressure, electrically powered air delivery, respiratory protection system as claimed in claim 1, wherein: the inner tube (11.1) is arc-shaped and is fixedly installed at the top of the ventilation hood cover (11), and a plurality of ventilation holes (11.11) are also communicated with the bottom of the inner tube (11.1).

5. A positive pressure, electrically powered air delivery, respiratory protection system as claimed in claim 1, wherein: the backpack system comprises two telescopically adjustable straps (3), the two ends of each strap (3) are hinged to the top and the bottom of the protective shell (1) respectively, a separable chest belt (7) is further arranged between the two straps (3), and the controller (8) is arranged on the chest belt (7).

6. A positive pressure, electrically powered air delivery, respiratory protection system as claimed in claim 1, wherein: a plurality of first leads are bundled to form a lead group (4), and the lead group (4) is fixedly connected with the braces (3).

7. A positive pressure, electrically powered air delivery, respiratory protection system as claimed in claim 1, wherein: protection casing (1) outside still is provided with alarm lamp (1.2) and backup battery (1.4), and protection casing (1) is inside still to be provided with first ultraviolet bulb (1.5), still be provided with air cleanliness factor sensor and wind pressure sensor (1.12) in gas outlet (1.1), alarm lamp (1.2), backup battery (1.4), air cleanliness factor sensor, first ultraviolet bulb (1.5) and wind pressure sensor (1.12) all are through first wire and controller (8) electric connection.

8. A maintenance and arrangement box, comprising the positive pressure type electric air supply respiratory protection system as claimed in any one of claims 1 to 7, wherein the maintenance and arrangement box comprises a box body (21) and a box cover (28), one side opening and the opening side of the box body (21) are hinged with the box cover (28), and the maintenance and arrangement box is characterized in that: box (21) opening side leads to there is the seal groove, installs the sealing strip in the seal groove, and box (21) is inside to be provided with power (22) and second ultraviolet bulb (26), be provided with switch (24), power socket (23) and plug (25) on power (22), inside plug (25) are located box (21), and power socket (23) and switch (24) extend the box (21) outside from box (21) lateral wall, power (22) pass through second wire electric connection with second ultraviolet bulb (26), plug (25) and controller (8) match the setting.

9. The maintenance organizer of claim 8, wherein: the side surface of the maintenance and sorting box is also provided with hasps (27) for opening and closing the maintenance and sorting box, the side surface of the box body (21) is provided with a plurality of side handles (29), and the box cover (28) is provided with an upper handle (30).