CN103808471A - Intelligent calibration instrument for respirator - Google Patents

Intelligent calibration instrument for respirator Download PDF

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Publication number
CN103808471A
CN103808471A CN201310667209.9A CN201310667209A CN103808471A CN 103808471 A CN103808471 A CN 103808471A CN 201310667209 A CN201310667209 A CN 201310667209A CN 103808471 A CN103808471 A CN 103808471A
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CN
China
Prior art keywords
respirator
pipeline
way solenoid
tracheae
deflation
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CN201310667209.9A
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CN103808471B (en
Inventor
寻增霞
刘林
王成锋
钟伟
肖家伟
刘普
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Chongqing Research Institute Co Ltd of China Coal Technology and Engineering Group
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Chongqing Research Institute Co Ltd of China Coal Technology and Engineering Group
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Priority to CN201310667209.9A priority Critical patent/CN103808471B/en
Publication of CN103808471A publication Critical patent/CN103808471A/en
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Publication of CN103808471B publication Critical patent/CN103808471B/en
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Abstract

The invention discloses an intelligent calibration instrument for a respirator. The intelligent calibration instrument for the respirator comprises an inflation and deflation unit for inflating and deflating the respirator, a detecting unit for detecting at least one of the parameters of the respirator including air tightness, deflation pressure, quantitative oxygen supply flow, total flow and self-compensation pressure, and a control unit for controlling the working states of the inflation and deflation unit and processing and displaying detecting information of the detecting unit. The inflation and deflation unit comprises an automatic air supply device, inflation and deflation pipes and inflation and deflation switching modules communicated between the inflation and deflation pipes and the air inlet end as well as the air outlet end of the automatic air supply device. The intelligent calibration instrument for the respirator can automatically achieve detection on air tightness, deflation pressure, self-compensation pressure and quantitative oxygen supply flow of the respirator and intuitively display detecting results on a display module, thereby having the advantages of being easy to operate and high in calibration efficiency.

Description

Respirator intelligent checking instrument
Technical field
The present invention relates to a kind of respirator calibration equipment, specifically a kind of respirator intelligent checking instrument.
Background technology
Respirator is widely used in the security fields such as colliery, fire-fighting, chemical industry, oil, make fireman or the rescue personnel that speedily carries out rescue work can be under the rugged surroundings that are full of dense smoke, poison gas, steam or anoxic the putting out a fire of safety, rescue and relief work and rescue, the quality of respirator performance directly concerns rescue personnel's inherently safe, so respirator must regularly check in use procedure at equipment, maintenance and verification, guarantees that it is in good use state.Existing respirator is low by tester automaticity, only can realize automatic feeding, needs manual adjustments tester with the different performance parameter of check respirator, and verification efficiency is lower, complex operation.
Therefore, for overcoming the above problems, need a kind of automaticity higher, can automatically carry out the respirator intelligent checking instrument of airtight detection, discharge pressure detection, self-complementary pressure detection, quantitative oxygen flow detection and large flow detection to respirator.
Summary of the invention
In view of this, the object of the invention is to overcome defect of the prior art, a kind of respirator intelligent checking instrument that can automatically carry out airtight detection, discharge pressure detection, self-complementary pressure detection, quantitative oxygen flow detection and large flow detection to respirator is provided.
Haustorium of the present invention intelligent checking instrument, comprise that inflation/deflation part comprises automatic inflating-air device, charges and discharge tracheae I and is communicated in the inflation/deflation changeover module charging and discharging between tracheae and automatic inflating-air device inlet end and outlet side for the inflation/deflation part of respirator being inflated or bleed, for detection of respirator impermeability, discharge pressure, quantitative oxygen flow, large flow and the test section of at least one parameter of self-complementary pressure and the control section for controlling inflation/deflation some work state and the detection information of test section being processed and shown;
Further, described inflation/deflation changeover module comprises draft tube I, escape pipe I and four normal close two-position two-way solenoid I, draft tube I, escape pipe I and charge and discharge tracheae I and be three-way pipe, the first pipeline connection of draft tube I is in the air intake opening of automatic inflating-air device, the second pipeline of draft tube I is communicated in the first pipeline that charges and discharge tracheae I by a normal close two-position two-way solenoid I, the 3rd pipeline of draft tube I is communicated in the external world by a normal close two-position two-way solenoid I, the first pipeline connection of escape pipe I is in the gas outlet of automatic inflating-air device, the second pipeline of escape pipe I is communicated in the second pipeline that charges and discharge tracheae I by a normal close two-position two-way solenoid I, the 3rd pipeline of escape pipe I is communicated in the external world by a normal close two-position two-way solenoid I, charge and discharge the 3rd pipeline of tracheae I for being communicated in the detection gas port of respirator,
Further, described test section comprises detection tracheae, pressure transducer, flow sensor I, normal close two-position two-way solenoid II and two-position two-way solenoid valve I open in usual, detection tracheae is three-way pipe, flow sensor I is located at and is detected on the first pipeline of tracheae for detection of gas flow signal in this pipeline and produce corresponding flow electric signal, two-position two-way solenoid valve I open in usual and normal close two-position two-way solenoid II are located at successively and are detected on the second pipeline of tracheae and the 3rd pipeline for controlling the break-make of respective line, pressure transducer is located at and is detected on the 3rd pipeline of tracheae for detection of gaseous tension in this pipeline and produce corresponding electric pressure signal, pressure transducer is close to the 3rd pipeline outer end with respect to the normal close two-position two-way solenoid II on the 3rd pipeline and arranges,
Further, described test section also comprises the large flow detection pipe that can connect respirator detection gas port and the external world, and large flow detection pipe inside is provided with the flow sensor II that detects the interior gas flow signal of this pipeline and produce corresponding flow electric signal;
Further, described respirator also comprises the automatic jacking block for controlling respirator vent valve break-make with intelligent checking instrument, and jacking block is by control section control automatic ejection and retraction automatically;
Further, described inflation/deflation changeover module also comprises two-position two-way solenoid valve II open in usual; Described two-position two-way solenoid valve II open in usual is located at the 3rd pipeline that charges and discharge tracheae for controlling the break-make of this pipeline;
Further, described control section comprises controller and is connected in the power module of described controller signals output terminal, battery module and display module, power module is for carrying out transformation and AC-DC conversion to alternating current, controller is electrically connected on normal close two-position two-way solenoid I, two-position two-way solenoid valve I open in usual, two-position two-way solenoid valve II open in usual and normal close two-position two-way solenoid II are used for controlling normal close two-position two-way solenoid I, two-position two-way solenoid valve I open in usual, two-position two-way solenoid valve II open in usual and normal close two-position two-way solenoid II are moved accordingly, pressure transducer, flow sensor I and flow sensor II are connected in the signal input part of controller for corresponding flow electric signal and electric pressure signal are sent to controller, controller is processed backward display module to flow electric signal and electric pressure signal and is sent display measured flow and pressure are intuitively shown,
Further, described respirator also comprises the manual air supply system for respirator is manually inflated and bled with intelligent checking instrument, manually air supply system comprises manual feeder, for the manual two-position four way change valve of manual switchover punching venting, described in being located at, charge and discharge on tracheae I the 3rd pipeline for switching the manual two position three-way valve of automatic and manual inflation/deflation pattern, be communicated in manual two-position four way change valve and manually between two position three-way valve, charge and discharge tracheae II, be located at and charge and discharge in tracheae II for controlling the manual two position two-way valve of this pipeline break-make and being communicated in two-position four way change valve and manual draft tube II and the escape pipe II between feeder, described manual air supply system also comprises the manual jacking block for manually controlling respirator vent valve break-make,
Further, described manual feeder comprises air bag, and air bag is provided with air intake opening and gas outlet, and the air intake opening of air bag is communicated in escape pipe II, the gas outlet of air bag is communicated in draft tube II, and manual feeder also comprises is located at the air intake opening of air bag and two retaining valves of gas outlet.
The invention has the beneficial effects as follows: respirator of the present invention intelligent checking instrument can carry out airtight detection, discharge pressure detection, quantitatively oxygen flow detection, large flow detection and self-complementary pressure detection to respirator automatically, and testing result is intuitively shown on display module, compare existing respirator tester and only can realize automatic feeding, need manual adjustments tester with the different performance parameter of check respirator, respirator of the present invention has easy and simple to handle with intelligent checking instrument, the advantage that verification efficiency is high.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described:
Fig. 1 is structural representation of the present invention.
Embodiment
Fig. 1 is structural representation of the present invention, as shown in the figure, haustorium in the present embodiment intelligent checking instrument, comprise the inflation/deflation part for respirator being inflated or being bled, for detection of respirator impermeability, discharge pressure, quantitatively oxygen flow, the test section of at least one parameter and the control section for controlling inflation/deflation some work state and the detection information of test section being processed and shown in large flow and self-complementary pressure, inflation/deflation part comprises automatic inflating-air device 1, charge and discharge tracheae I 5 and be communicated in the inflation/deflation changeover module charging and discharging between tracheae I 5 and automatic inflating-air device 1 inlet end and outlet side, automatic inflating-air device 1 is for having the air-flow conveying equipment of inlet end and outlet side, air-flow is flowed into by its inlet end, flowed out by outlet side.
In the present embodiment, described inflation/deflation changeover module comprises draft tube I 2, escape pipe I 3 and four normal close two-position two-way solenoid I 4, draft tube I 2, escape pipe I 3 and charge and discharge tracheae I 5 and be three-way pipe, the first pipeline connection of draft tube I 2 is in the air intake opening of automatic inflating-air device 1, the second pipeline of draft tube I 2 is communicated in the first pipeline that charges and discharge tracheae I 5 by a normal close two-position two-way solenoid I 4, the 3rd pipeline of draft tube I 2 is communicated in the external world by a normal close two-position two-way solenoid I 4, the first pipeline connection of escape pipe I 3 is in the gas outlet of automatic inflating-air device 1, the second pipeline of escape pipe I 3 is communicated in the second pipeline that charges and discharge tracheae I 5 by a normal close two-position two-way solenoid I 4, the 3rd pipeline of escape pipe I 3 is communicated in the external world by a normal close two-position two-way solenoid I 4, charge and discharge the 3rd pipeline of tracheae I 5 for being communicated in the detection gas port 9 of respirator, when respirator is carried out to impermeability, when discharge pressure detects, need inflate detecting gas port 9, in the time that respirator is carried out to self-complementary pressure detection, need bleed to detecting gas port 9, by can realize the switching of inflating and bleeding detecting gas port 9 to the control of normal close two-position two-way solenoid I 4 break-makes.
In the present embodiment, described test section comprises detects tracheae 17, pressure transducer 15, flow sensor I 18, normal close two-position two-way solenoid II 16 and two-position two-way solenoid valve I 8 open in usual, detecting tracheae 17 is three-way pipe, flow sensor I 18 is located at and is detected on the first pipeline of tracheae 17 for detection of gas flow signal in this pipeline and produce corresponding flow electric signal, two-position two-way solenoid valve I open in usual 8 and normal close two-position two-way solenoid II 16 are located at successively and are detected on the second pipeline of tracheae 17 and the 3rd pipeline for controlling the break-make of respective line, pressure transducer 15 is located at and is detected on the 3rd pipeline of tracheae 17 for detection of gaseous tension in this pipeline and produce corresponding electric pressure signal, pressure transducer 15 is close to the 3rd pipeline outer end with respect to the normal close two-position two-way solenoid II 16 on the 3rd pipeline and arranges, when tester carries out impermeability detection to lung ventilator, when discharge pressure detection and self-complementary pressure detection, 16 power-off of normal close two-position two-way solenoid II are closed, two-position two-way solenoid valve I 8 energisings simultaneously open in usual are closed, in the time that respirator carries out quantitative oxygen flow detection with intelligent checking instrument to respirator, 16 energisings of normal close two-position two-way solenoid II are opened, two-position two-way solenoid valve I 8 power-off open in usual are simultaneously opened.
In the present embodiment, described test section also comprises the large flow detection pipe that connects respirator detection gas port and the external world, described large flow detection pipe inside is provided with the flow sensor II 25 that detects the interior gas flow signal of this pipeline and produce corresponding flow electric signal, large flow detection pipe only just accesses respirator and detects gas port in the time that needs are measured hand benefit or self-complementary flow, under normal circumstances, do not access.
In the present embodiment, described respirator also comprises the automatic jacking block 14 for controlling respirator vent valve break-make with intelligent checking instrument, automatically jacking block 14 is by control section control automatic ejection and retraction, in the time that tester carries out impermeability detection to respirator, automatic jacking block 14 ejects the device vent valve that can ensure respiration and is not opened, in the time that respirator carries out discharge pressure detection with intelligent checking instrument to respirator, jacking block 14 automatic retractions can normally be opened with the device vent valve that ensures respiration automatically.
In the present embodiment, described inflation/deflation changeover module also comprises two-position two-way solenoid valve II 7 open in usual, described two-position two-way solenoid valve II 7 open in usual is located at the 3rd pipeline that charges and discharge tracheae I 5 for controlling the break-make of this pipeline, in the time that respirator carries out impermeability detection with intelligent checking instrument to respirator, when inflation/deflation part is to after detecting gas port 9 inflations, two-position two-way solenoid valve II 7 open in usual needs energising to close, to avoid Leakage Gas.
In the present embodiment, described control section comprises controller 13 and is connected in the power module 11 of described controller signals output terminal, battery module 10 and display module 12, power module 10 is for carrying out transformation and AC-DC conversion to alternating current, controller 13 is connected in normal close two-position two-way solenoid I 4, two-position two-way solenoid valve I 8 open in usual, two-position two-way solenoid valve II 7 open in usual and normal close two-position two-way solenoid II 16 are for controlling normal close two-position two-way solenoid I 4, two-position two-way solenoid valve I 8 open in usual, two-position two-way solenoid valve II 7 open in usual and normal close two-position two-way solenoid II 16 are moved accordingly, pressure transducer 15 and flow sensor 18 are connected in the signal input part of controller 13 for corresponding flow electric signal and electric pressure signal are sent to controller 13, controller 13 is processed backward display module 12 to flow electric signal and electric pressure signal and is sent display measured flow and pressure are intuitively shown, when respirator carries out impermeability with intelligent checking instrument to respirator, discharge pressure, when flow and self-complementary pressure detection, tester can directly use 220V AC-powered, power module 11 will be powered for controller 13 after alternating current transformation and AC-DC conversion, controller 13 is controlled automatically to the switching of each solenoid valve, thereby realize the automatic detection to above-mentioned parameter, when in the situation that extraneous non-transformer can be used, be each sensor by battery module 10, controller, and display module power supply.
In the present embodiment, described respirator also comprises the manual air supply system for respirator is manually inflated and bled with intelligent checking instrument, manually air supply system comprises manual feeder, for the manual two-position four way change valve 20 of manual switchover punching venting, described in being located at, charge and discharge on tracheae I 5 the 3rd pipeline for switching the manual two position three-way valve 6 of automatic and manual inflation/deflation pattern, be communicated in manual two-position four way change valve 20 and manually between two position three-way valve 6, charge and discharge tracheae II 19, be located at and charge and discharge in tracheae II 19 for controlling the manual two position two-way valve 21 of this pipeline break-make and being communicated in two-position four way change valve 20 and manual draft tube II 22 and the escape pipe II 23 between feeder, when without external power supply, can use manual air supply system that respirator is manually inflated or bled, to complete the detection of the each performance parameter of respirator, in the time carrying out manual air feed, need manually two position three-way valve 6 to be switched to manual inflation/deflation pattern, realize by manual two-position four way change valve 20 switching that respirator is inflated and bled simultaneously, manually air supply system also comprises the manual jacking block (not shown) for manually controlling respirator vent valve break-make, in the time that tester carries out manual impermeability detection to respirator, manual jacking block is manually put into tester relevant position, guarantee that vent valve is not opened, other parameter detecting can directly be taken off manual jacking block.
In the present embodiment, described manual feeder comprises air bag 24, air bag is provided with air intake opening and gas outlet, the air intake opening of air bag is communicated in escape pipe II 23, the gas outlet of air bag is communicated in draft tube II 22, and manual feeder also comprises is located at the air intake opening of air bag 24 and two retaining valves of gas outlet, in the time that respirator is manually detected, only need, with hand extruding gasbag 24 repeatedly, can respirator be inflated or be bled.
Finally explanation is, above embodiment is only unrestricted in order to technical scheme of the present invention to be described, although the present invention is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can modify or be equal to replacement technical scheme of the present invention, and not departing from aim and the scope of technical solution of the present invention, it all should be encompassed in the middle of claim scope of the present invention.

Claims (9)

1. a respirator intelligent checking instrument, is characterized in that: comprise for the inflation/deflation part of respirator being inflated and bleed, for detection of respirator impermeability, discharge pressure, quantitative oxygen flow, large flow and the test section of at least one parameter of self-complementary pressure and the control section for controlling inflation/deflation some work state and the detection information of test section being processed and shown; Described inflation/deflation part comprises automatic inflating-air device, charges and discharge tracheae I and is communicated in the inflation/deflation changeover module charging and discharging between tracheae I and automatic inflating-air device inlet end and outlet side.
2. respirator according to claim 1 intelligent checking instrument, is characterized in that: described inflation/deflation changeover module comprises draft tube I, escape pipe I and four normal close two-position two-way solenoid I; Described draft tube I, escape pipe I and charge and discharge tracheae I and be three-way pipe; The first pipeline connection of described draft tube I is in the air intake opening of automatic inflating-air device, the second pipeline of draft tube I is communicated in the first pipeline that charges and discharge tracheae I by a normal close two-position two-way solenoid I, the 3rd pipeline of draft tube I is communicated in the external world by a normal close two-position two-way solenoid I; The first pipeline connection of described escape pipe I is in the gas outlet of automatic inflating-air device, the second pipeline of escape pipe I is communicated in the second pipeline that charges and discharge tracheae I by a normal close two-position two-way solenoid I, the 3rd pipeline of escape pipe I is communicated in the external world by a normal close two-position two-way solenoid I; Described the 3rd pipeline that charges and discharge tracheae I is for being communicated in the detection gas port of respirator.
3. respirator according to claim 1 intelligent checking instrument, is characterized in that: described respirator intelligent checking instrument also comprises the automatic jacking block for controlling respirator vent valve break-make; Described automatic jacking block is by described control section control automatic ejection and retraction.
4. according to the intelligent checking instrument of the respirator described in claim 2 or 3, it is characterized in that: described test section comprises detects tracheae, pressure transducer, flow sensor I, normal close two-position two-way solenoid II and two-position two-way solenoid valve I open in usual; Described detection tracheae is three-way pipe; Described flow sensor I is located at and is detected on the first pipeline of tracheae for detection of gas flow signal in this pipeline and produce corresponding flow electric signal; Described two-position two-way solenoid valve I open in usual and normal close two-position two-way solenoid II are located at successively and are detected on the second pipeline of tracheae and the 3rd pipeline for controlling the break-make of respective line; Described pressure transducer is located at and is detected on the 3rd pipeline of tracheae for detection of gaseous tension in this pipeline and produce corresponding electric pressure signal, and pressure transducer is close to the 3rd pipeline outer end with respect to the normal close two-position two-way solenoid II on the 3rd pipeline and arranges.
5. respirator according to claim 4 intelligent checking instrument, it is characterized in that: described test section also comprises the large flow detection pipe that can connect respirator detection gas port and the external world, described large flow detection pipe inside is provided with the flow sensor II that detects the interior gas flow signal of this pipeline and produce corresponding flow electric signal.
6. respirator according to claim 5 intelligent checking instrument, is characterized in that: described inflation/deflation changeover module also comprises two-position two-way solenoid valve II open in usual; Described two-position two-way solenoid valve II open in usual is located at the 3rd pipeline that charges and discharge tracheae I for controlling the break-make of this pipeline.
7. respirator according to claim 6 intelligent checking instrument, is characterized in that: described control section comprises controller and is connected in the power module of described controller signals output terminal, battery module and display module; Described power module is for carrying out transformation and AC-DC conversion to alternating current; Described controller is electrically connected on normal close two-position two-way solenoid I, two-position two-way solenoid valve I open in usual, two-position two-way solenoid valve II open in usual and normal close two-position two-way solenoid II and moves accordingly for controlling normal close two-position two-way solenoid I, two-position two-way solenoid valve I open in usual, two-position two-way solenoid valve II open in usual and normal close two-position two-way solenoid II; Described pressure transducer, flow sensor I and flow sensor II are connected in the signal input part of controller for corresponding flow electric signal and electric pressure signal are sent to controller, and described controller is processed backward display module to flow electric signal and electric pressure signal and sent display measured flow and pressure are intuitively shown.
8. respirator according to claim 7 intelligent checking instrument, is characterized in that: described respirator intelligent checking instrument also comprises the manual air supply system for respirator is manually inflated and bled, described manual air supply system comprises manual feeder, for the manual two-position four way change valve of manual switchover punching venting, described in being located at, charge and discharge on tracheae I the 3rd pipeline for switching the manual two position three-way valve of automatic and manual inflation/deflation pattern, be communicated in manual two-position four way change valve and manually between two position three-way valve, charge and discharge tracheae II, be located at and charge and discharge in tracheae II for controlling the manual two position two-way valve of this pipeline break-make and being communicated in two-position four way change valve and manual draft tube II and the escape pipe II between feeder.
9. respirator according to claim 8 intelligent checking instrument, is characterized in that: described manual feeder comprises air bag, and described air bag is provided with air intake opening and gas outlet, and the air intake opening of air bag is communicated in escape pipe II, and the gas outlet of air bag is communicated in draft tube II; Described manual feeder also comprises is located at the air intake opening of air bag and two retaining valves of gas outlet.
CN201310667209.9A 2013-12-10 2013-12-10 Respirator intelligent checking instrument Active CN103808471B (en)

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CN110469489A (en) * 2019-07-09 2019-11-19 中国科学院深圳先进技术研究院 A kind of active cycle aerating and exhaust device based on single air pump

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CN110469489A (en) * 2019-07-09 2019-11-19 中国科学院深圳先进技术研究院 A kind of active cycle aerating and exhaust device based on single air pump
CN110469489B (en) * 2019-07-09 2020-09-25 中国科学院深圳先进技术研究院 Active circulation inflation and deflation device based on single air pump

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