CN104874057A - Respirator fault detection method and system - Google Patents
Respirator fault detection method and system Download PDFInfo
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- CN104874057A CN104874057A CN201410072558.0A CN201410072558A CN104874057A CN 104874057 A CN104874057 A CN 104874057A CN 201410072558 A CN201410072558 A CN 201410072558A CN 104874057 A CN104874057 A CN 104874057A
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Abstract
The invention discloses a respirator fault detection method. The respirator comprises an air compression device, an oxygen pressure reduction device, an oxygen mixing device, a flow velocity control device, a first flow velocity detection device, an oxygen concentration detection device, an inspiration port, a safety pressure protection device, an expiration port, a second flow velocity detection device and an expiration pressure control device. The method comprises following steps: detecting the oxygen concentration of mixed gas composed of air and oxygen in the oxygen mixing device; determining whether the oxygen concentration is equal to the preset oxygen concentration; determining that a fault occurs in the oxygen mixing device if the oxygen concentration is not equal to the preset oxygen concentration; reading the flow velocity of the first flow velocity detection device in an inspiration process; determining whether the flow velocity of the first flow velocity detection device is equal to the preset flow velocity; and determining that a fault occurs in the flow velocity control device when the flow velocity of the first flow velocity detection device is not equal to the preset flow velocity. By employing the method, fault points of the respirator can be rapidly and accurately detected, so that a user can repair the respirator conveniently. The invention also provides a respirator fault detection system.
Description
Technical field
The present invention relates to armarium manufacturing technology field, particularly a kind of fault detection method of respirator and system.
Background technology
At present, the application of respirator in clinical is more and more extensive.Due to respirator, manufacturer is numerous, even if operation principle is similar, concrete implementation differs greatly, and therefore, the fault detect for respirator brings very large trouble.
Respirator in the course of the work, may break down, and the processing method of ordinary circumstance medical personnel is that notice maintainer keeps in repair.But it is so namely inconvenient and lose time very much.
Summary of the invention
The present invention is intended at least one of solve the problems of the technologies described above.
For this reason, one object of the present invention is to propose a kind of fault detection method that can detect the respirator of the trouble point of respirator fast and accurately.
Second object of the present invention is the fault detection system providing a kind of respirator.
To achieve these goals, the embodiment of first aspect present invention proposes a kind of fault detection method of respirator, wherein, described respirator comprises air compression plant, oxygen decompressor, the mixed oxygen device be connected with described oxygen decompressor with described air compression plant respectively, the current velocity controller be connected successively, first-class speed detector, oxygen concentration detecting apparatus, suction port, be arranged on the safe pressure protector between described first-class speed detector and described oxygen concentration detecting apparatus, expiration port, the second speed detector be connected with described expiration port and breath pressure control device, said method comprising the steps of: the oxygen concentration detecting the mist of air in described mixed oxygen device and oxygen, and judge whether described oxygen concentration equals default oxygen concentration, if the oxygen concentration of described mist is not equal to described default oxygen concentration, then judge described mixed oxygen plant failure, in breathing process, read the flow velocity of described first-class speed detector, and judge whether the flow velocity of described first checkout gear equals preset flow rate, if the flow velocity of described first-class speed detector is not equal to described preset flow rate, then judge described current velocity controller fault.
According to the fault detection method of the respirator of the embodiment of the present invention, by detecting the oxygen concentration of the mist of air in mixed oxygen device and oxygen, and judge that whether this oxygen concentration is equal with default oxygen concentration; If the oxygen concentration of mist is not equal to default oxygen concentration, then judge mixed oxygen plant failure; In breathing process, read the flow velocity of first-class speed detector, and judge whether this flow velocity equals preset flow rate; If this flow velocity is not equal to preset flow rate, then judge current velocity controller fault.In other words, according to the testing result of fault detecting point, method of the present invention, by arranging the fault detecting point that may exist in respirator, and judges whether respirator exists fault, thus can the part at accurate localizing faults place, to facilitate user's on-call maintenance.
In addition, the fault detection method of respirator according to the above embodiment of the present invention can also have following additional technical characteristic:
In some instances, described method also comprises: in exhalation process, detects the breath pressure of described expiration port, and judges whether described breath pressure equals preset pressure; If described breath pressure is not equal to described preset pressure, then judge described breath pressure control device fault.
The fault detection system that embodiment still provides a kind of respirator of second aspect present invention, wherein, described respirator comprises air compression plant, oxygen decompressor, the mixed oxygen device be connected with described oxygen decompressor with described air compression plant respectively, the current velocity controller be connected successively, first-class speed detector, oxygen concentration detecting apparatus, suction port, be arranged on the safe pressure protector between described first-class speed detector and described oxygen concentration detecting apparatus, expiration port, the second speed detector be connected with described expiration port and breath pressure control device, described system comprises: mixed oxygen concentration detecting apparatus, described mixed oxygen concentration detecting apparatus is connected with the mixed oxygen device of described respirator, to detect the oxygen concentration of the mist of air in described mixed oxygen device and oxygen, judge module, described judge module is connected with the first-class speed detector of described respirator with described mixed oxygen concentration detecting apparatus respectively, for judging whether the oxygen concentration of described mist equals default oxygen concentration, and judge whether the flow velocity that described first-class speed detector detects equals preset flow rate, and when the oxygen concentration of described mist is not equal to described default oxygen concentration, judge described mixed oxygen plant failure, and when the flow velocity of described first-class speed detector is not equal to described preset flow rate, judge described respirator current velocity controller fault.
According to the fault detection system of the respirator of the embodiment of the present invention, detected the oxygen concentration of the mist of air in mixed oxygen device and oxygen by mixed oxygen concentration detecting apparatus, and judge that whether this oxygen concentration is equal with default oxygen concentration by judge module; If the oxygen concentration of mist is not equal to default oxygen concentration, then judge mixed oxygen plant failure; In breathing process, read the flow velocity of first-class speed detector, judge module judges whether this flow velocity equals preset flow rate; If this flow velocity is not equal to preset flow rate, then judge current velocity controller fault.In other words, according to the testing result of fault detecting point, system of the present invention, by detecting the fault detecting point that may exist arranged in respirator, and judges whether respirator exists fault, thus can the part at accurate localizing faults place, to facilitate user's on-call maintenance.
In addition, the fault detection system of respirator according to the above embodiment of the present invention can also have following additional technical characteristic:
In some instances, described system also comprises: pressure-detecting device, and described pressure-detecting device is connected with described judge module with the breath pressure control device of described respirator respectively, for detecting the breath pressure of the expiration port of described respirator.
In some instances, described judge module also for judging whether described breath pressure equals preset pressure, and when described breath pressure is not equal to described preset pressure, judges described breath pressure control device fault.
Additional aspect of the present invention and advantage will part provide in the following description, and part will become obvious from the following description, or be recognized by practice of the present invention.
Accompanying drawing explanation
Above-mentioned and/or additional aspect of the present invention and advantage will become obvious and easy understand from accompanying drawing below combining to the description of embodiment, wherein:
Fig. 1 is the flow chart of the fault detection method of respirator according to an embodiment of the invention; And
Fig. 2 is the structured flowchart of respirator according to an embodiment of the invention;
Fig. 3 is the structured flowchart of the fault detection system of respirator according to an embodiment of the invention.
Detailed description of the invention
Be described below in detail embodiments of the invention, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Being exemplary below by the embodiment be described with reference to the drawings, only for explaining the present invention, and can not limitation of the present invention being interpreted as.
In describing the invention, it will be appreciated that, term " " center ", " longitudinal direction ", " transverse direction ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end ", " interior ", orientation or the position relationship of the instruction such as " outward " are based on orientation shown in the drawings or position relationship, only the present invention for convenience of description and simplified characterization, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore limitation of the present invention can not be interpreted as.In addition, term " first ", " second " only for describing object, and can not be interpreted as instruction or hint relative importance.
In describing the invention, it should be noted that, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or connect integratedly; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, concrete condition above-mentioned term concrete meaning in the present invention can be understood.
With reference to description below and accompanying drawing, these and other aspects of embodiments of the invention will be known.Describe at these and in accompanying drawing, specifically disclose some particular implementation in embodiments of the invention, representing some modes of the principle implementing embodiments of the invention, but should be appreciated that the scope of embodiments of the invention is not limited.On the contrary, embodiments of the invention comprise fall into attached claims spirit and intension within the scope of all changes, amendment and equivalent.
Below in conjunction with accompanying drawing description according to the fault detection method of the respirator of the embodiment of the present invention and system.
Fig. 1 is the flow chart of the fault detection method of respirator according to an embodiment of the invention.As shown in Figure 1, the fault detection method of respirator according to an embodiment of the invention, wherein, shown in composition graphs 2, respirator comprises air compression plant, oxygen decompressor, the mixed oxygen device be connected with oxygen decompressor with air compression plant respectively, the current velocity controller be connected successively, first-class speed detector, oxygen concentration detecting apparatus, suction port, be arranged on the safe pressure protector between first-class speed detector and oxygen concentration detecting apparatus, expiration port, the second speed detector be connected with expiration port and breath pressure control device.
Specifically, respirator is primarily of above several module composition.During respirator work, air compression plant is by turbine control system the compressed air of room air boil down to about 8Kpa, and oxygen decompressor is the pressure-air of about 0.16Mpa high pressure oxygen decompression.Afterwards, compressed air and high pressure oxygen mix at mixed oxygen device, and the oxygen concentration of mixed gas is consistent with default oxygen concentration.In expiratory phase, breath pressure control device makes pressure reach maximum, empty oxygen gas mixture provides required flow velocity through current velocity controller, and by first-class speed detector, flow velocity is detected, by oxygen concentration detecting apparatus, current oxygen concentration is monitored, finally, empty oxygen gas mixture enters the pulmonary of patient by suction port.In expiration phase, breath pressure control device is preset to preset pressure pressure, and the gas that patient breathes out enters second speed detector by expiration port, to carry out flow rate detection to the gas of breathing out.Safe pressure protector can carry out earth pressure release for ensureing when airway pressure is greater than certain force value, and safe pressure can regulate according to actual needs.
Shown in composition graphs 1, the fault detection method of respirator according to an embodiment of the invention, comprises the following steps:
Step S101, the oxygen concentration of the air in the mixed oxygen device of detection and the mist of oxygen, and judge whether oxygen concentration equals default oxygen concentration.Wherein, in concrete example, default oxygen concentration presets according to actual needs.
Step S102, if the oxygen concentration of mist is not equal to default oxygen concentration, then judges mixed oxygen plant failure.In other words, the oxygen concentration namely detecting the mist of air and the oxygen obtained in above-mentioned steps S101 is not equal to default oxygen concentration, then judge mixed oxygen plant failure.In specific implementation process, further, the information of trouble point can be demonstrated at the display interface of respirator, the i.e. mixed oxygen plant failure of display, thus facilitate medical personnel to keep in repair mixed oxygen device, with the oxygen concentration of calibration gas mixture body, make it consistent with default oxygen concentration.
Step S103, in breathing process, reads the flow velocity of first-class speed detector, and judges whether the flow velocity of the first checkout gear equals preset flow rate.In other words, namely in patient inhales process, first-class speed detector detects the flow velocity of current respirator, reads this flow velocity, and judges whether this flow velocity is the flow velocity needed, i.e. preset flow rate.
Step S104, if the flow velocity of first-class speed detector is not equal to preset flow rate, then judges current velocity controller fault.In other words, namely in above-mentioned steps S103, when the respirator current flow obtained is not equal to preset flow rate, then judge current velocity controller fault.In specific implementation process, further, by the display interface display trouble point information of respirator, namely current velocity controller fault is shown, thus facilitate medical personnel to keep in repair current velocity controller, to calibrate the current flow of respirator, make it consistent with preset flow rate.Wherein, in above process, preset flow rate presets according to actual needs.
Further, in one embodiment of the invention, the method also comprises: in exhalation process, detect the breath pressure of expiration port, and judge whether this breath pressure equals preset pressure, if this breath pressure is not equal to preset pressure, then judge breath pressure control device fault.In other words, namely patient is in exhalation process, detects the breath pressure of expiration port, when this breath pressure and preset pressure are inconsistent, then and judgement breath pressure control device fault.In specific implementation process, further, by respirator display interface display trouble point information, namely breath pressure control device fault is shown, thus facilitate medical personnel to keep in repair pressure control device, to calibrate the breath pressure of expiration port, itself and preset pressure are consistent.Wherein, in above process, preset pressure presets according to actual needs.
According to the fault detection method of the respirator of the embodiment of the present invention, by detecting the oxygen concentration of the mist of air in mixed oxygen device and oxygen, and judge that whether this oxygen concentration is equal with default oxygen concentration; If the oxygen concentration of mist is not equal to default oxygen concentration, then judge mixed oxygen plant failure; In breathing process, read the flow velocity of first-class speed detector, and judge whether this flow velocity equals preset flow rate; If this flow velocity is not equal to preset flow rate, then judge current velocity controller fault.In other words, according to the testing result of fault detecting point, method of the present invention, by arranging the fault detecting point that may exist in respirator, and judges whether respirator exists fault, thus can the part at accurate localizing faults place, to facilitate user's on-call maintenance.
Present invention also offers a kind of fault detection system of respirator.
Fig. 3 is the structured flowchart of the fault detection system of respirator according to an embodiment of the invention.As shown in Figure 3, the fault detection system of respirator according to an embodiment of the invention, wherein, shown in composition graphs 2, respirator comprises air compression plant, oxygen decompressor, the mixed oxygen device be connected with oxygen decompressor with air compression plant respectively, the current velocity controller be connected successively, first-class speed detector, oxygen concentration detecting apparatus, suction port, be arranged on the safe pressure protector between first-class speed detector and oxygen concentration detecting apparatus, expiration port, the second speed detector be connected with expiration port and breath pressure control device.
Specifically, respirator is primarily of above several module composition.During respirator work, air compression plant is by turbine control system the compressed air of room air boil down to about 8Kpa, and oxygen decompressor is the pressure-air of about 0.16Mpa high pressure oxygen decompression.Afterwards, compressed air and high pressure oxygen mix at mixed oxygen device, and the oxygen concentration of mixed gas is consistent with default oxygen concentration.In expiratory phase, breath pressure control device makes pressure reach maximum, empty oxygen gas mixture provides required flow velocity through current velocity controller, and by first-class speed detector, flow velocity is detected, by oxygen concentration detecting apparatus, current oxygen concentration is monitored, finally, empty oxygen gas mixture enters the pulmonary of patient by suction port.In expiration phase, breath pressure control device is preset to preset pressure pressure, and the gas that patient breathes out enters second speed detector by expiration port, to carry out flow rate detection to the gas of breathing out.Safe pressure protector can carry out earth pressure release for ensureing when airway pressure is greater than certain force value, and safe pressure can regulate according to actual needs.
As shown in Figure 3, the fault detection system 300 of respirator according to an embodiment of the invention, comprising: mixed oxygen concentration detecting apparatus 310 and judge module 320.
Wherein, mixed oxygen concentration detecting apparatus 310 is connected with the mixed oxygen device of respirator, to detect the oxygen concentration of the mist of air in mixed oxygen device and oxygen.
Judge module 320 is connected with the first-class speed detector of respirator with mixed oxygen concentration detecting apparatus 310 respectively, whether the oxygen concentration for the mist judging air in mixed oxygen device and oxygen equals default oxygen concentration, and judge whether the flow velocity that first-class speed detector detects equals preset flow rate, and when the oxygen concentration of mist is not equal to default oxygen concentration, judge mixed oxygen plant failure, and when the flow velocity of first-class speed detector is not equal to preset flow rate, judge the current velocity controller fault of respirator.
In other words, be namely not equal to default oxygen concentration when above-mentioned mixed oxygen concentration detecting apparatus 310 detects the oxygen concentration obtaining the mist of air and oxygen, then judge module 320 judges mixed oxygen plant failure.And in specific implementation process, further, the information of trouble point can be demonstrated at the display interface of respirator, the i.e. mixed oxygen plant failure of display, thus facilitate medical personnel to keep in repair mixed oxygen device, with the oxygen concentration of calibration gas mixture body, make it consistent with default oxygen concentration.Wherein, default oxygen concentration presets according to actual needs.
In addition, in breathing process, first-class speed detector detects the current flow of respirator, then judge module 320 judges whether this current flow is the flow velocity needed, i.e. preset flow rate.Further, if when this current flow is not equal to preset flow rate, then judge current velocity controller fault.In specific implementation process, further, by the display interface display trouble point information of respirator, namely current velocity controller fault is shown, thus facilitate medical personnel to keep in repair current velocity controller, to calibrate the current flow of respirator, make it consistent with preset flow rate.Wherein, in above process, preset flow rate presets according to actual needs.
Further, in one embodiment of the invention, this system 300 also comprises: pressure-detecting device 330(is not shown).Pressure-detecting device 330 is connected with judge module with the breath pressure control device of respirator respectively, for detecting the breath pressure of the expiration port of respirator.Further, judge module 320 also for judging whether this breath pressure equals preset pressure, and when this breath pressure is not equal to preset pressure, judges breath pressure control device fault.In other words, namely patient is in exhalation process, and pressure-detecting device 330 detects the breath pressure of expiration port, when this breath pressure and preset pressure inconsistent time, then judge module 320 judges breath pressure control device fault.In specific implementation process, further, by respirator display interface display trouble point information, namely breath pressure control device fault is shown, thus facilitate medical personnel to keep in repair pressure control device, to calibrate the breath pressure of expiration port, itself and preset pressure are consistent.Wherein, in above process, preset pressure presets according to actual needs.
According to the fault detection system of the respirator of the embodiment of the present invention, detected the oxygen concentration of the mist of air in mixed oxygen device and oxygen by mixed oxygen concentration detecting apparatus, and judge that whether this oxygen concentration is equal with default oxygen concentration by judge module; If the oxygen concentration of mist is not equal to default oxygen concentration, then judge mixed oxygen plant failure; In breathing process, read the flow velocity of first-class speed detector, judge module judges whether this flow velocity equals preset flow rate; If this flow velocity is not equal to preset flow rate, then judge current velocity controller fault.In other words, according to the testing result of fault detecting point, system of the present invention, by detecting the fault detecting point that may exist arranged in respirator, and judges whether respirator exists fault, thus can the part at accurate localizing faults place, to facilitate user's on-call maintenance.
In the description of this description, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present invention or example.In this manual, identical embodiment or example are not necessarily referred to the schematic representation of above-mentioned term.And the specific features of description, structure, material or feature can combine in an appropriate manner in any one or more embodiment or example.
Although illustrate and describe embodiments of the invention, those having ordinary skill in the art will appreciate that: can carry out multiple change, amendment, replacement and modification to these embodiments when not departing from principle of the present invention and aim, scope of the present invention is by claim and equivalency thereof.
Claims (5)
1. the fault detection method of a respirator, it is characterized in that, described respirator comprises air compression plant, oxygen decompressor, the mixed oxygen device be connected with described oxygen decompressor with described air compression plant respectively, the current velocity controller be connected successively, first-class speed detector, oxygen concentration detecting apparatus, suction port, be arranged on the safe pressure protector between described first-class speed detector and described oxygen concentration detecting apparatus, expiration port, the second speed detector be connected with described expiration port and breath pressure control device, said method comprising the steps of:
Detect the oxygen concentration of the mist of air in described mixed oxygen device and oxygen, and judge whether described oxygen concentration equals default oxygen concentration;
If the oxygen concentration of described mist is not equal to described default oxygen concentration, then judge described mixed oxygen plant failure;
In breathing process, read the flow velocity of described first-class speed detector, and judge whether the flow velocity of described first checkout gear equals preset flow rate;
If the flow velocity of described first-class speed detector is not equal to described preset flow rate, then judge described current velocity controller fault.
2. the fault detection method of respirator according to claim 1, is characterized in that, also comprises:
In exhalation process, detect the breath pressure of described expiration port, and judge whether described breath pressure equals preset pressure;
If described breath pressure is not equal to described preset pressure, then judge described breath pressure control device fault.
3. the fault detection system of a respirator, it is characterized in that, described respirator comprises air compression plant, oxygen decompressor, the mixed oxygen device be connected with described oxygen decompressor with described air compression plant respectively, the current velocity controller be connected successively, first-class speed detector, oxygen concentration detecting apparatus, suction port, be arranged on the safe pressure protector between described first-class speed detector and described oxygen concentration detecting apparatus, expiration port, the second speed detector be connected with described expiration port and breath pressure control device, described system comprises:
Mixed oxygen concentration detecting apparatus, described mixed oxygen concentration detecting apparatus is connected with the mixed oxygen device of described respirator, to detect the oxygen concentration of the mist of air in described mixed oxygen device and oxygen;
Judge module, described judge module is connected with the first-class speed detector of described respirator with described mixed oxygen concentration detecting apparatus respectively, for judging whether the oxygen concentration of described mist equals default oxygen concentration, and judge whether the flow velocity that described first-class speed detector detects equals preset flow rate, and when the oxygen concentration of described mist is not equal to described default oxygen concentration, judge described mixed oxygen plant failure, and when the flow velocity of described first-class speed detector is not equal to described preset flow rate, judge the current velocity controller fault of described respirator.
4. the fault detection system of respirator according to claim 3, is characterized in that, also comprises:
Pressure-detecting device, described pressure-detecting device is connected with described judge module with the breath pressure control device of described respirator respectively, for detecting the breath pressure of the expiration port of described respirator.
5. the fault detection system of respirator according to claim 4, it is characterized in that, described judge module also for judging whether described breath pressure equals preset pressure, and when described breath pressure is not equal to described preset pressure, judges described breath pressure control device fault.
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| CN201410072558.0A CN104874057A (en) | 2014-02-28 | 2014-02-28 | Respirator fault detection method and system |
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Application publication date: 20150902 |