CN219369054U - Portable airtight detection device of respirator - Google Patents
Portable airtight detection device of respirator Download PDFInfo
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- CN219369054U CN219369054U CN202223472208.2U CN202223472208U CN219369054U CN 219369054 U CN219369054 U CN 219369054U CN 202223472208 U CN202223472208 U CN 202223472208U CN 219369054 U CN219369054 U CN 219369054U
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Abstract
The utility model discloses a portable airtight detection device of a breathing mask, which comprises: an inflatable tent with a preparation space and a closed training space, a simulator arranged in the training space, and a detector arranged outside the inflatable tent; preparing space for trainee to wear respiratory mask; the outer side wall of the inflatable tent is provided with a first sealing door which can be opened and closed from the outside of the inflatable tent and the inside of the preparation space, the side wall of the inflatable tent between the training space and the preparation space is provided with a second sealing door which can be opened and closed from the inside of the training space and the inside of the preparation space; the detection catheter of the detector is inserted into the training space, and the end part of the detection catheter can be inserted into the breathing mask so that the detector detects the concentration of the simulator in the breathing mask. Through this airtight detection device can evaluate the gas tightness of wearing the respirator, inflatable tent portable and inflation use, make this airtight detection device can be used for various occasion that need detect the respirator gas tightness.
Description
Technical Field
The utility model relates to a respiratory protection equipment inspection device, in particular to a portable airtight detection device of a respiratory mask.
Background
The personal respiratory protection equipment comprises an isolated respirator and a filtering respirator, wherein the isolated respirator and the filtering respirator are used for respiratory protection through wearing a breathing mask, the breathing mask can be used for sealing protection of mouth and nose respiratory organs or eyes of a wearer and isolating the breathing mask from outside polluted air, and the inhaled gas is high-pressure gas bottle gas equipped in the respirator or air filtered by a canister, so that the respiratory safety of the wearer in the polluted environment is ensured.
The correct wearing and use of the respirator, especially the wearing air tightness of the breathing mask is extremely important, if the breathing is not airtight, external toxic air can enter the breathing mask to be inhaled by personnel, and the life safety and the physical health of the wearing personnel are endangered.
The main reason for the non-airtight wearing of the breathing mask is that the fitting degree and correct wearing of the mask and the face are caused, while the airtight checking of the breathing mask cannot completely determine whether to be airtight or not only by means of personal feeling, and should be evacuated immediately when the toxic smell is smelled, so that the actual combat wearing verification in the environment actually filled with the toxic gas is needed to prevent the poisoning of the rescue workers.
Therefore, it is necessary to simulate a closed space filled with toxic gas for a rescuer to check the tightness of wearing the respiratory mask. However, due to the limitation of conditions of rescue sites, particularly rescue of outdoor sites, there is often no objectively available space for checking the air tightness of the breathing mask, and it is highly desirable to provide a portable air tightness detection device of the breathing mask for the rescue personnel wearing the breathing mask.
Disclosure of Invention
Aiming at the problems existing in the prior art, the utility model aims to provide a portable airtight detection device of a breathing mask, so that the air tightness of wearing the breathing mask can be detected before rescue workers participate in rescue.
In order to achieve the above purpose, the technical scheme of the utility model is as follows:
a portable airtight detection apparatus for a respiratory mask, comprising: an inflatable tent with a preparation space and a closed training space, and a simulator arranged in the training space and a detector arranged outside the inflatable tent; the preparation space is used for a trained person to wear the breathing mask;
the outer side wall of the inflatable tent is provided with a first sealing door which can be opened and closed from the outside of the inflatable tent and the inside of the preparation space, the side wall of the inflatable tent between the training space and the preparation space is provided with a second sealing door, and the second sealing door can be opened and closed from the inside of the training space and the inside of the preparation space;
the detection conduit of the detector is inserted into the training space, and the end part of the detection conduit can be inserted into the breathing mask so that the detector detects the concentration of the simulator in the breathing mask.
Further, the first sealing door is a zipper door arranged on the outer wall of the inflatable tent.
Further, the second sealing door is a C-shaped zipper door arranged on the side wall of the inflatable tent.
Further, the inflatable tent comprises an inflatable column arranged at the joint of the adjacent side walls, and the inflatable column is connected with an inflation valve and a safety valve.
Further, all the outer parts of the inflatable column frameworks formed by the inflatable columns are wrapped with rubberized oxford fabric in an omnibearing manner to form the outer wall of the inflatable tent, a plurality of observation windows are arranged on the outer side wall of the inflatable tent, and a window shade is arranged outside the observation windows.
Further, the detector is a spectrophotometer for detecting the concentration of the simulator leaked into the breathing mask and the concentration of the simulator in the training space.
The portable airtight detection device for the breathing mask can be used for testing the wearing airtightness of the breathing mask, the rescue personnel can enter a preparation space of the inflatable tent through the first sealing door, the first sealing door is closed after the breathing mask of the breathing mask is worn in the preparation space, the second sealing door is closed after the breathing mask enters a practical training space, the detection catheter is inserted into the breathing mask, and the detector is used for detecting the concentration of the simulator in the breathing mask to evaluate the wearing airtightness of the breathing mask. The portable airtight detection device can evaluate the air tightness of the wearing breathing mask, can form an inflatable tent in a preparation space and a training space, is convenient to carry and inflate, and can be used for various occasions needing to detect the air tightness of the breathing mask.
Drawings
FIG. 1 is a schematic diagram of a portable airtight detection apparatus for a respiratory mask according to an example of the present utility model;
FIG. 2 is a schematic diagram of the structural components of a portable airtight detection apparatus of an exemplary respiratory mask of the present utility model;
FIG. 3 is a schematic illustration of the detection principle of a portable airtight detection apparatus of an exemplary respiratory mask of the present utility model;
FIG. 4 is a schematic illustration of a flow chart of the use of a portable airtight detection apparatus of an exemplary respiratory mask of the present utility model;
FIG. 5 is a schematic diagram of a process for releasing and detecting a simulator in a portable airtight detection device of an exemplary respiratory mask according to the present utility model;
in the figure:
1-an inflatable tent; 1-a first sealing door; 1-2-a second sealing door; 1-3-an inflatable column; 1-4-gluing oxford; 1-5, an observation window; 2-preparing space; 3-training space; 4-a detector; 4-1-detecting the catheter; 5-breathing mask.
Detailed Description
In order that those skilled in the art will better understand the solution of the present utility model, the following description will clearly and fully describe the solution of the present utility model with reference to the accompanying drawings in which it is to be understood that the examples described are only some, but not all, examples of the present utility model. All other embodiments obtained by those skilled in the art based on the examples herein shall fall within the scope of the present utility model without making any inventive effort.
In the description of the present embodiment, furthermore, the terms "first," "second," and the like, are used merely to distinguish between similar objects and should not be construed as a specific order or sequence, but rather should be understood to be interchangeable under appropriate circumstances.
In the example shown in fig. 1-5, there is provided a portable airtight detection apparatus of a respiratory mask of the present utility model, comprising: an inflatable tent 1 provided with a preparation space 2 and a closed practical training space 3, a simulator arranged in the practical training space 3, and a detector 4 arranged outside the inflatable tent 1; the preparation space 2 is used for a trained person to wear the breathing mask 5;
the outer side wall of the inflatable tent 1 is provided with a first sealing door 1-1, the first sealing door 1-1 can be opened and closed from the outside of the inflatable tent 1 and the inside of the preparation space 2, the side wall of the inflatable tent 1 between the training space 3 and the preparation space 2 is provided with a second sealing door 1-2, and the second sealing door can be opened and closed from the inside of the training space 3 and the inside of the preparation space 2;
the detection conduit 4-1 of the detector 4 is inserted into the training space, and the end of the detection conduit can be inserted into the breathing mask 5 so that the detector detects the concentration of the simulator in the breathing mask 5.
After the rescue personnel enter the portable airtight detection device of the example, the rescue personnel enter the preparation space 2 of the inflatable tent 1 through the first sealing door 1-1, the first sealing door 1-1 is closed after the breathing mask 5 of the respirator is worn in the preparation space 2, the second sealing door 1-2 is closed after the rescue personnel enter the practical training space 3 through the second sealing door 1-2, the detection conduit 4-1 is inserted into the breathing mask 5, and the concentration of the simulator in the breathing mask 5 is detected through the detector 4 to evaluate the air tightness of the wearing breathing mask 5. The portable airtight detection apparatus of the present example can evaluate the air tightness of the wearing breathing mask 5, and the inflatable tent 1 capable of forming the preparation space 2 and the training space 3 is portable and inflatable for use, so that the airtight detection apparatus can be used in various occasions where the air tightness of the breathing mask 5 needs to be detected.
In this example, the inflatable tent 1 includes an inflatable column 1-3 provided at the junction of adjacent side walls, and the inflatable column 1-3 is connected with an inflation valve and a safety valve. The outer wall of the inflatable tent 1 is formed by wrapping rubberized oxford 1-4 outside an inflatable column framework formed by all inflatable columns 1-3 in an omnibearing manner, a plurality of observation windows 1-5 are arranged on the outer side wall of the inflatable tent 1, and a window shade is arranged outside the observation windows 1-5.
Specifically, the inflatable tent 1 adopts an inflatable column framework structure, the inflatable columns 1-3 are distributed at the corners of all side walls of the inflatable tent 1, one or more inflatable valves and a safety valve are arranged on the inflatable columns 1-3, the opening pressure of the safety valve is about 40KPa, the inflatable columns 1-3 are inflated through the inflatable pump connected with the inflatable valves until the air pressure in the inflatable columns 1-3 is above 15KPa, and the rigid support inflatable column framework structure can be formed after all the inflatable columns 1-3 are completely inflated.
In the inflatable tent 1, a traction rope pull ring is arranged at the top end of an inflatable column 1-3 which is vertically arranged, after the inflatable tent 1 is inflated and unfolded for use, one end of the traction rope penetrates through the traction pull ring, the other end of the traction rope is fixed with the ground through a ground nail, and the inflatable tent in use can resist wind by 5 stages.
Referring to fig. 1-2, the inflatable tent 1 is in a pitched roof structure after being inflated and unfolded, the unfolded plane occupies a floor area of 3m multiplied by 4m, the edge is 1.8m high, and the middle is 2.4m high.
In this example, the first airtight door 1-1 is a zipper door opened on the outer wall of the inflatable tent 1. Specifically, a double-open zipper door of 1.6mx1.5m is arranged on the outer side wall of the inflatable tent 1 in the width direction, the inner side and the outer side of the double-open zipper door can be opened or closed, five observation windows 1-5 of 0.5mx0.4m in total are arranged on the other outer side wall, and a window shade (not shown in the figure) is arranged at each observation window 1-5 outside the inflatable tent 1. The outside personnel can open the shading curtain cloth, observe and evaluate the operation of wearing the mask in the preparation space 2 of the inflatable tent 1 and the detection operation of the air tightness of the mask in the training space 3 through the observation window, and give safe disposal in time if accidents happen.
The ground fabric of the ground surface is glued with PVC glue with the thickness of 0.38mm, and is connected with the bottom of the vertically arranged inflatable column 1-3 in a sealing way in an adhesive and seam mode, so that the ground water prevention effect can be achieved.
Except the base cloth, the outside of the inflatable column framework is wrapped with the rubberized oxford fabric in an omnibearing manner to form an external tarpaulin, and the external tarpaulin is connected with all the inflatable columns 1-3 through movable sticking buckles and ropes, and a double-open zipper door, an observation window 1-5 and a traction rope outlet are required to be reserved.
In the length direction of the inflatable tent 1, a training space 3 which is 3m multiplied by 3m is arranged in the inflatable tent 1 at a position which is one meter away from the inside of the double-open zipper door, and in the training space 3, PVC rubberized sandwich cloth with the thickness of 0.38mm is tightly attached to oxford cloth which is close to the outside of the inflatable tent 1 to form a closed space, and the closed space is in sealing connection with inflatable columns 1-3 in various postures in a bonding and seam mode.
In this example, the second airtight door 1-2 is a C-type zipper door opened on the side wall of the inflatable tent. A C-shaped zipper door with the diameter of 1.6mx0.75m is arranged on the side wall of the inflatable tent 1 between the preparation space 2 and the airtight training space 3, and the C-shaped zipper door can be opened or closed both inside and outside.
The oxford cloth inside the training space 3 is provided with observation windows with the same number and size corresponding to the positions of the outer tarpaulin (oxford cloth) observation windows 1-5, and the transparent PVC and the airtight space sandwich mesh cloth are in sealing connection in a bonding and seam mode.
The inflatable tent 1 forms a 3m multiplied by 3m airtight practical training space and a 1m multiplied by 3m preparation space, and a rescuer or a person to be checked (a person participating in the air tightness detection of the breathing mask during simulated rescue) sequentially passes through the first sealing door 1-1 and the second sealing door 1-2 to carry out the air tightness detection of the wearing breathing mask 5.
The simulant placed in the closed space 3 adopts substances which have pungent smell and are easy to volatilize into gas or fog state, but cannot have larger toxicity to human bodies, such as hot pepper water, or substances with smaller relative pungency, such as aromatic, banana water, ozone and the like, and the release mode can adopt natural volatilization, spraying, instrument generation and the like according to different simulants.
The training space 3 in this example has a volume of 17 m 3 And (3) selecting a quantitative simulation agent to be completely released in the practical training space 3, so that the required concentration can be achieved.
Referring to fig. 4, the process of releasing and detecting the simulant is specifically that a predetermined amount of simulant is required to be released in the training space 3 in advance before training, a rescuer or a person to be detected enters the preparation space 2 from the outside through the double-open zipper door, quickly enters the training space 3 through the C-shaped zipper door after wearing personal respiratory protection equipment and wearing the respiratory mask 5, and closes the C-shaped zipper door, and performs the prescribed actions of standing, squatting, jogging, lifting arms, speaking and the like according to the requirements, the concentration of the simulant leaked inside the respiratory mask 5 worn by the person to be trained is detected by the detector 4 corresponding to the simulant, and the concentration of the simulant in the training space of the inflatable tent 1 is compared, so that the air tightness of the respiratory mask 5 and the effectiveness of the whole respiratory equipment are judged, and the person wearing the respiratory mask 5 is equivalent to entering the actual combat state, and the air tightness of the respiratory mask 5 is detected by using the air tightness detection device of the present example.
The detector 4 of the present example is a spectrophotometer for detecting the concentration of the simulator leaked into the breathing mask 5 and the concentration of the simulator in the training space 3. The specific detection method can be that when the end of the detection conduit 4-1 is arranged in the training space 3, the spectrophotometer is used for measuring the concentration of the simulator in the training space 3; after the end of the detection conduit 4-1 is inserted into the breathing mask 5, a spectrophotometer is used to measure the concentration of the simulator in the breathing mask 5.
Spectrophotometers are the absorbance of light at a specific wavelength or range of wavelengths that are used to perform qualitative or quantitative analysis of the substance. The spectrophotometer embeds the vacuum pump, through detecting pipe 4-1 and taking a sample to the gas in the respirator 5, the vaporific gas concentration in the respirator 5 of real-time detection, the sample rate is quick, test data real-time quantitative display, through the data contrast judgement respirator 5 reveal the gas tightness.
The occupied area of the training space 3 is 3m multiplied by 3m, so that 5 persons can develop various actions simultaneously, enter and exit sequentially and rapidly, two zipper doors are closed in time after entering and exiting each person, and the two zipper doors are not required to be opened simultaneously, so that the leakage of the simulator is prevented.
After the training is finished, the two zipper doors of the inflatable tent 1 are opened to empty the simulator gas, clean water or a corrosion-free cleaning solution can be used for cleaning the inner layer tarpaulin of the training space 3 if necessary, and the whole inflatable tent 1 is deflated and stored for later use after natural airing. When the inflatable tent 1 needs to be stored, the electric air pump can be used for reversely pumping air until the air in all the inflatable posts 1-3 is pumped out, and the inflatable tent is folded and stored for the next use.
Referring to fig. 4, the present example portable air tightness detection device may be used as follows:
after the inflatable tent 1 is paved and unfolded on the ground, the inflatable joint of the inflatable column 1-3 is inflated through an electric inflator pump or a pedal inflator pump, when the pressure in the inflatable column 1-3 reaches 10 KPa-15 KPa, the whole inflatable tent 1 is unfolded and molded, and a preparation space 2 and a training space 3 are formed in the inflatable tent 1, so that rescue workers or checked workers can wear the breathing mask and detect the air tightness after wearing the breathing mask.
The parameters of the inflator used in this example may be:
supply voltage: AC220V/50Hz;
power: 1200W;
air outlet flow rate: 1300L/min;
outlet pressure: 20KPa.
Finally, it is to be understood that the above embodiments are merely exemplary embodiments employed for the purpose of illustrating the principles of the present utility model, however, the present utility model is not limited thereto. Various modifications and improvements may be made by those skilled in the art without departing from the principles and spirit of the utility model, and such modifications and improvements are also considered within the scope of the utility model.
Claims (6)
1. A portable airtight detection apparatus for a respiratory mask, comprising: an inflatable tent with a preparation space and a closed training space, and a simulator arranged in the training space and a detector arranged outside the inflatable tent; the preparation space is used for a trained person to wear the breathing mask;
the outer side wall of the inflatable tent is provided with a first sealing door which can be opened and closed from the outside of the inflatable tent and the inside of the preparation space, the side wall of the inflatable tent between the training space and the preparation space is provided with a second sealing door, and the second sealing door can be opened and closed from the inside of the training space and the inside of the preparation space;
the detection conduit of the detector is inserted into the training space, and the end part of the detection conduit can be inserted into the breathing mask so that the detector detects the concentration of the simulator in the breathing mask.
2. The portable airtight inspection apparatus of claim 1, wherein the first sealing door is a zipper door provided on an outer wall of the inflatable tent.
3. The portable airtight inspection apparatus according to claim 1 or 2, wherein the second sealing door is a C-shaped zipper door provided on a side wall of the inflatable tent.
4. The portable airtight testing device of claim 1, wherein said inflatable tent comprises an inflatable column disposed at the junction of adjacent side walls, said inflatable column having an inflation valve and a safety valve attached thereto.
5. The portable airtight detection apparatus according to claim 4, wherein the outer wall of the inflatable tent is formed by wrapping rubberized oxford fabric outside an inflatable column skeleton formed by all the inflatable columns in an omnibearing manner, a plurality of observation windows are arranged on the outer side wall of the inflatable tent, and a window shade is arranged outside the observation windows.
6. The portable airtight detection apparatus according to claim 1, wherein the detector is a spectrophotometer for detecting the concentration of the simulator agent leaked into the respiratory mask and the concentration of the simulator agent in the training space.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223472208.2U CN219369054U (en) | 2022-12-26 | 2022-12-26 | Portable airtight detection device of respirator |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223472208.2U CN219369054U (en) | 2022-12-26 | 2022-12-26 | Portable airtight detection device of respirator |
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| Publication Number | Publication Date |
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| CN219369054U true CN219369054U (en) | 2023-07-18 |
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| CN202223472208.2U Active CN219369054U (en) | 2022-12-26 | 2022-12-26 | Portable airtight detection device of respirator |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117647364A (en) * | 2024-01-30 | 2024-03-05 | 四川玖悦消防技术有限公司 | D-type airtight detection system |
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2022
- 2022-12-26 CN CN202223472208.2U patent/CN219369054U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117647364A (en) * | 2024-01-30 | 2024-03-05 | 四川玖悦消防技术有限公司 | D-type airtight detection system |
| CN117647364B (en) * | 2024-01-30 | 2024-05-03 | 四川玖悦消防技术有限公司 | D-type airtight detection system |
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