CN214485333U

CN214485333U - Multifunctional detection equipment

Info

Publication number: CN214485333U
Application number: CN202120458989.6U
Authority: CN
Inventors: 夏云峰; 包华勇; 戴遥楠
Original assignee: Shanghai Fbon Industrial Co ltd
Current assignee: Shanghai Fbon Industrial Co ltd
Priority date: 2021-03-03
Filing date: 2021-03-03
Publication date: 2021-10-26
Anticipated expiration: 2031-03-03

Abstract

The utility model discloses a multifunctional detection device, which relates to the technical field of multifunctional detection and comprises a first detection device for detecting a filtering gas mask, a second detection device for detecting an air respirator and an oxygen respirator, and a third detection device for detecting a protective garment; the first detection device, the second detection device and the third detection device are connected with the artificial lung to realize multifunctional detection, the first detection device comprises a head die which is detachably arranged at the top of the artificial lung, and a micro-pressure interface of the head die is connected with a micro-pressure rubber tube of the artificial lung; the utility model discloses design with the national standard that filtration formula gas mask, air respirator, oxygen respirator and protective clothing detected, only need a detector, can detect filtration formula gas mask, air respirator, oxygen respirator and protective clothing to can judge qualified or unqualified according to the performance of national standard to the product.

Description

Multifunctional detection equipment

Technical Field

The utility model relates to a many function detection technical field specifically is a many function detection equipment.

Background

At present, the equipment for detecting the filter gas mask, the air respirator, the oxygen respirator and the protective clothing in China is mostly a detector of a single product, and manufacturers or users who need to detect various products must purchase multiple sets of instruments to detect, so that the cost is increased, and the improvement is needed.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides a multifunctional detection equipment has solved the problem of mentioning in the background art.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a multifunctional detection device comprises a first detection device for detecting a filter gas mask, a second detection device for detecting an air respirator and an oxygen respirator, and a third detection device for detecting a protective garment;

the first detection device, the second detection device and the third detection device are connected with an artificial lung to realize multifunctional detection.

The multifunctional testing device as described above, wherein, preferably, the testing device comprises a head mold detachably mounted on the top of the artificial lung, and the micro-pressure interface of the head mold is connected with the micro-pressure hose of the artificial lung, so as to test the filtering respirator.

The multifunctional detecting device as above, wherein preferably, a fixing column is disposed on the top of the artificial lung, and a fixing knob connected with the fixing column is disposed on the head mold.

The multifunctional detection device as described above, wherein preferably, a first rubber gasket is disposed between the fixing knob and the head mold, and a second rubber gasket is disposed between the head mold and the artificial lung.

The multifunctional detection device as described above, wherein preferably, the second detection device includes a high pressure inlet disposed at the front end of the artificial lung for connecting to an air source, a high pressure outlet for connecting to an air inlet of an air respirator or an oxygen respirator, and a medium pressure interface for detecting the air respirator.

The multifunctional detection device as described above, wherein preferably, the third detection device comprises a chemical defense suit interface arranged at the front end of the artificial lung for measuring the internal pressure of the chemical defense suit, and the medium-pressure interface can be used for inflating the chemical defense suit.

Compared with the prior art, the utility model following beneficial effect possesses: the utility model discloses design with the national standard that filtration formula gas mask, air respirator, oxygen respirator and protective clothing detected, only need a detector, can detect filtration formula gas mask, air respirator, oxygen respirator and protective clothing to can judge qualified or unqualified according to the performance of national standard to the product, can remind the user in time to change or maintain, avoid appearing the casualties.

Drawings

FIG. 1 is a schematic front view of the present invention;

fig. 2 is a schematic view of the front structure of the back of the present invention.

In the figure: 1. an artificial lung; 2. a head die; 3. a micro-pressure interface; 4. a micro-pressure rubber tube; 5. fixing a column; 6. fixing the knob; 7. a first rubber gasket; 8. a second rubber gasket; 9. a high pressure inlet; 10. a high pressure outlet; 11. a medium voltage interface; 12. the chemical defense suit interface.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, 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.

Referring to fig. 1-2, the present invention provides a technical solution: a multifunctional detection device comprises a first detection device for detecting a filter gas mask, a second detection device for detecting an air respirator and an oxygen respirator, and a third detection device for detecting a protective garment;

detection device one, detection device two and detection device three are connected with artificial lung 1 and are in order to realize multi-functional detection (artificial lung 1 is prior art, so the utility model discloses in do not do too much explanation) to the realization detects filtration formula gas mask, air respirator, oxygen respirator and protective clothing.

The first detection device comprises a head die 2 which is detachably mounted at the top of the artificial lung 1, and a micro-pressure interface 3 of the head die 2 is connected with a micro-pressure rubber tube 4 of the artificial lung 1 so as to realize detection of the filter gas mask.

The top of artificial lung 1 is provided with fixed column 5, and is provided with the fixed knob 6 that is connected with fixed column 5 on the head mould 2.

A first rubber gasket 7 is arranged between the fixed knob and the head die 2, and a second rubber gasket 8 is arranged between the head die 2 and the artificial lung 1.

The second detection device comprises a high-pressure inlet 9 arranged at the front end of the artificial lung 1 and used for being connected with an air source, a high-pressure outlet 10 used for being connected with an air inlet of an air respirator or an oxygen respirator, and a medium-pressure interface 11 used for detecting the air respirator.

The third detection device comprises a chemical defense suit interface 12 which is arranged at the front end of the artificial lung 1 and used for measuring the internal pressure of the chemical defense suit, and the medium-pressure interface 11 can be used for inflating the chemical defense suit.

The working principle is as follows: 1. the detection method of the filter type gas mask comprises the following steps:

1) carrying out negative pressure airtightness detection, namely, bringing a mask on a head die, mounting a filter tank on the mask, then plugging the filter tank by using a special plug, then driving an artificial lung by using a motor, adjusting the internal pressure of the mask to-1180 +/-50 Pa, and observing the pressure change of a low-pressure sensor after 1 min;

2) detecting positive pressure air tightness, compressing air in the mask through an artificial lung, adjusting the internal pressure of the mask to 20 +/-5 kPa, and observing the pressure change of the low-pressure sensor after 1 min;

3) and (3) testing the breathing resistance, taking down the plug, driving the artificial lung to simulate the human breathing, and detecting the breathing resistance and the breathing resistance through the low-pressure sensor.

2. The detection method of the positive pressure air respirator comprises the following steps:

1) detecting air tightness, connecting an air breathing to a high-pressure air outlet, connecting a middle-pressure port, the air breathing and an air supply valve by using a tee joint, bringing a mask on a head die, closing the air supply valve, opening an air bottle to fill the breathing air path with air, and observing the pressure change of a high-pressure sensor after 1 min;

2) the method comprises the steps of (1) testing breathing resistance, opening an air supply valve, adjusting the stroke and frequency of an artificial lung to simulate human breathing, wherein the breathing frequency is 40 times/min, the breathing flow is 100L/min, and detecting inspiration resistance and expiration resistance through a low-pressure sensor;

3) detecting respiratory frequency, adjusting the stroke and frequency of the artificial lung, adjusting the respiratory frequency for 25 times/min, adjusting the respiratory flow for 50L/min, and detecting inspiration resistance and expiration resistance through a low-pressure sensor;

4) detecting static pressure, stopping the work of the artificial lung, and detecting the static pressure in the mask cavity through a low-pressure sensor;

5) detecting alarm working pressure and sound value, placing a decibel meter and a microphone at a position 0.5m away from an alarm whistle, closing a gas cylinder, taking down a gas supply valve and releasing gas for the air breathing, sounding the alarm whistle when the pressure in the system is reduced to the alarm pressure, and automatically recording the numerical value of a high-pressure sensor and the highest numerical value of the decibel meter when the system alarms;

6) detecting the output pressure of the pressure reducer, closing the air supply valve, opening the air bottle, opening the medium-pressure electromagnetic valve 2, and detecting the output pressure of the pressure reducer by the medium-pressure sensor;

7) the pressure reducer safety valve is opened and closed pressure detection is carried out, the medium-pressure electromagnetic valve 1 is opened, the medium-pressure electromagnetic valve 2 is closed, the air breathing pressure reducer is pressurized to be opened by the safety valve, the medium-pressure sensor detects the opening pressure of the safety valve at the moment, the medium-pressure electromagnetic valve 1 is closed, the medium-pressure electromagnetic valve 2 is opened, the safety valve is waited to be closed, and the medium-pressure sensor detects the closing pressure of the safety valve at the moment.

3. The detection method of the positive pressure type oxygen respirator comprises the following steps:

1) when the system is stable, observing the pressure change condition of the low-pressure sensor after 1min, loosening the clamp of the exhalation tube, clamping the exhalation tube to the air suction tube, and observing the pressure change condition of the low-pressure sensor after 1 min;

2) detecting respiratory resistance, taking down the clamp, starting the artificial lung, keeping the respiratory frequency at 40 times/min, keeping the respiratory flow at 100L/min, and detecting inhalation resistance and exhalation resistance by using a low-pressure sensor;

3) detecting the quantitative oxygen supply amount, after breathing is stable, continuing the quantitative oxygen supply for 1min, and calculating the quantitative oxygen supply amount according to the pressure change of the high-pressure sensor within 1 min;

4) detecting static pressure, stopping the artificial lung, and detecting the static pressure in the mask cavity by the low-pressure sensor;

5) detecting the automatic oxygen supply amount, starting an automatic oxygen supply device in the oxygen breath, starting the oxygen breath to supply oxygen automatically, and calculating the automatic oxygen supply amount according to the pressure change of the high-pressure sensor after the oxygen supply is finished;

6) manual oxygen supply amount detection, wherein a manual oxygen supply button is pressed, oxygen breathing starts to supply oxygen manually, and after the button is released, the automatic oxygen supply amount can be calculated according to the pressure change of the high-pressure sensor;

7) and detecting the alarm working pressure and the sound value, placing the decibel meter and the microphone at a position 0.5m away from the alarm whistle, closing the gas cylinder, enabling the artificial lung to continuously work, sounding the alarm whistle when the pressure in the system is reduced to the alarm pressure, and automatically recording the numerical value of the high-pressure sensor and the maximum numerical value of the decibel meter when the system alarms.

4. The detection method of the isolated protective gas suit and the nuclear radiation protective clothing comprises the following steps:

1) the pipeline is airtight, a pressure reducing valve is installed at the middle pressure port and connected to a chemical defense suit interface, a gas cylinder is opened and the system is inflated, the pressure of the low-pressure sensor is kept for 24min after the pressure of the low-pressure sensor rises to 1.8 kPa;

2) and detecting the air tightness, connecting the medium-pressure port and the chemical protective clothing interface to the protective clothing, opening the air bottle to inflate the protective clothing, and observing the pressure of the low-pressure sensor after the pressure of the low-pressure sensor rises to 1.6 +/-0.05 kPa for 6 min.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A multifunctional detection device comprises a first detection device for detecting a filter gas mask, a second detection device for detecting an air respirator and an oxygen respirator, and a third detection device for detecting a protective garment;

the method is characterized in that: the first detection device, the second detection device and the third detection device are connected with an artificial lung (1) to realize multifunctional detection.

2. A multifunctional detection device according to claim 1, characterized in that: the detection device comprises a head die (2) which is detachably mounted at the top of the artificial lung (1), and a micro-pressure interface (3) of the head die (2) is connected with a micro-pressure rubber tube (4) of the artificial lung (1) so as to realize the detection of the filtering gas mask.

3. A multifunctional detection device according to claim 2, characterized in that: the top of the artificial lung (1) is provided with a fixed column (5), and the head die (2) is provided with a fixed knob (6) connected with the fixed column (5).

4. A multifunctional detection device according to claim 3, characterized in that: a rubber gasket I (7) is arranged between the fixed knob and the head die (2), and a rubber gasket II (8) is arranged between the head die (2) and the artificial lung (1).

5. A multifunctional detection device according to claim 4, characterized in that: the second detection device comprises a high-pressure inlet (9) which is arranged at the front end of the artificial lung (1) and used for being connected with an air source, a high-pressure outlet (10) which is used for being connected with an air inlet of an air respirator or an oxygen respirator, and a medium-pressure interface (11) which is used for detecting the air respirator.

6. A multifunctional detection device according to claim 5, characterized in that: the third detection device comprises a chemical defense suit interface (12) which is arranged at the front end of the artificial lung (1) and used for measuring the internal pressure of the chemical defense suit, and the medium-pressure interface (11) can be used for inflating the chemical defense suit.