CN110095631A - A kind of the fan stalling detection device and method of oxygen machine - Google Patents
A kind of the fan stalling detection device and method of oxygen machine Download PDFInfo
- Publication number
- CN110095631A CN110095631A CN201810089351.2A CN201810089351A CN110095631A CN 110095631 A CN110095631 A CN 110095631A CN 201810089351 A CN201810089351 A CN 201810089351A CN 110095631 A CN110095631 A CN 110095631A
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- CN
- China
- Prior art keywords
- oxygen
- fan
- oxygen machine
- compressor
- central processing
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P13/00—Indicating or recording presence, absence, or direction, of movement
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Oxygen, Ozone, And Oxides In General (AREA)
- Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
- Separation Of Gases By Adsorption (AREA)
Abstract
The present invention relates to a kind of fan of oxygen machine stalling detection device and method, device include be arranged in oxygen machine for detect compressor operating temperature and export to the temperature sensor of central processing unit, central processing unit, the display unit of real-time display oxygen machine internal operating temperature, for the voice alerting unit of fan failure warning note.Method is that central processing unit receives oxygen machine internal operating temperature and exports to display unit and alarm unit, makes fan failure description information according to compressor internal operating temperature, and the compressor for controlling oxygen machine ontology is out of service.The present invention can have found the failure of fan within the very short time that fan stalling occurs, and timely close compressor make oxygen machine stop working, danger caused by avoiding oxygen machine caused by stalling because of fan temperature rapid increase.
Description
Technical field
The present invention relates to Medical Devices to manufacture field, and the fan of specifically a kind of oxygen machine stalls detection device
And method.
Background technique
Currently, the use with more and more oxygen machines in clinic, safety is then weight for an oxygen machine
In it is weight.And fan plays a crucial role the heat dissipation of oxygen machine inner compressor, once fan stalls, in oxygen machine
Portion then will lead to the temperature inside machine and sharply increase, if not found in time, be likely to result in without radiator
Very serious consequence.
Summary of the invention
For above-mentioned deficiency in the prior art, solves oxygen machine and find fan within the very short time that fan stalling occurs
Failure, timely close compressor makes oxygen machine stop working, avoid oxygen machine temperature caused by being stalled due to fan it is quick on
It is dangerous caused by rising.
Present invention technical solution used for the above purpose is: a kind of fan stalling detection device of oxygen machine,
Include:
Temperature sensor is arranged in oxygen machine ontology, and the compressor internal operating temperature of detection oxygen machine ontology is simultaneously defeated
Out to central processing unit；
Central processing unit is separately connected temperature sensor, oxygen machine this gas compressor, display unit, voice prompting list
Member；The central processing unit receives oxygen machine body interior operating temperature and exports to display unit, according to oxygen machine ontology
Compressor internal operating temperature output fan failure description information be shown to display unit, and made by voice alerting unit
Warning note, so it is out of service by the compressor of control oxygen machine ontology；
Display unit, the compressor internal operating temperature and fan failure description information of real-time display oxygen machine ontology；
Voice alerting unit makes fan failure warning note by voice.
The oxygen machine ontology is used to remove miscellaneous gas in air and obtains pure oxygen, comprising: compressor by pipeline according to
It is secondary to be integrally connected valve, adsorbing tower with molecular sieve, check valve, oxygen container, pressure maintaining valve and oxygen exhaust connector；The adsorbing tower with molecular sieve is
Two；
The compressor is used for compressed air；The integral valve controls making oxygen；The adsorbing tower with molecular sieve absorption is empty
Miscellaneous gas in gas is to extract oxygen；The check valve prevents the oxygen in oxygen container from flowing back into adsorbing tower with molecular sieve；The storage
The oxygen that oxygen tank storage extracts；The pressure maintaining valve stablizes oxygen exhaust pressure；The oxygen exhaust connector connects Oxygen tube.
The compressor internal fan air inlet side of oxygen machine ontology is arranged in the temperature sensor.
The central processing unit is microcontroller.
The display unit is TFT liquid crystal display.
A kind of fan stalling detection method of oxygen machine, comprising the following steps:
Step 1: central processing unit exports the fan stall of oxygen machine according to temperature change；
Step 2: central processing unit output fan failure description information is shown to display unit, and passes through voice prompting list
Member makes warning note, and then the compressor for controlling oxygen machine ontology is out of service.
Central processing unit in the step 1 exports the fan stall of oxygen machine according to temperature change, comprising:
Step 1.1: central processing unit acquires the compressor fan air inlet of oxygen machine ontology by temperature sensor in real time
The temperature of mouth side；
Step 1.2: calculating the temperature rise rate of the compressor fan air inlet side temperature in the segmentation short time；
Step 1.3: when the value of the temperature rise rate is greater than preset threshold, being then judged as fan stall.
The invention has the following beneficial effects and advantage:
The present invention can have found that the failure of fan, timely close compressor make within the very short time that fan stalling occurs
Oxygen machine stops working, and avoids the danger caused by temperature rapid increase of oxygen machine caused by stalling due to fan.After-sales service
Personnel also can quickly and accurately find out fault point when oxygen machine breaks down, improve the effect of maintenance by the fault cues
Rate.
Detailed description of the invention
Oxygen machine fan Fig. 1 of the invention stalls structure of the detecting device block diagram；
Temperature sensor schematic view of the mounting position Fig. 2 of the invention；
Fan stalling detection control flow chart Fig. 3 of the invention.
Specific embodiment
The present invention is described in further detail with reference to the accompanying drawings and embodiments.
The present invention is that a kind of fan of oxygen machine stalls detection device and method.As shown in Figure 1, oxygen machine wind of the invention
Fan stalling structure of the detecting device block diagram, device includes temperature sensor, central processing unit, display unit, voice alerting unit.
Oxygen machine ontology, which includes compressor, is sequentially connected integral valve, adsorbing tower with molecular sieve, check valve, storage oxygen by pipeline
Tank, pressure maintaining valve, oxygen exhaust connector.The adsorbing tower with molecular sieve is two；The compressor is used for compressed air；The integral valve
Control for central processing unit to making oxygen；Miscellaneous gas in the adsorbing tower with molecular sieve absorption air is to extract oxygen
Gas；The check valve prevents the oxygen in oxygen container from flowing back into adsorbing tower with molecular sieve；The oxygen that the oxygen container storage extracts
Gas；The pressure maintaining valve stablizes oxygen exhaust pressure；The oxygen exhaust connector connects Oxygen tube.
The position of temperature sensor is placed into the wind inlet of fan side of compressor, as shown in Fig. 2, and with central processing list
Member connection detects the compressor internal operating temperature of oxygen machine ontology and exports to central processing unit.
Central processing unit is also connect with the compressor of display unit, voice alerting unit and oxygen machine ontology.Display is single
The compressor internal operating temperature of first real-time display oxygen machine ontology.Voice alerting unit is used to pass through voice broadcast oxygen machine sheet
The compressor internal operating temperature of body.The central processing unit is with STMicw Electronics ARM Cortex M3 32 height of kernel
Performance microcontroller is hardcore circuit.The display unit is TFT liquid crystal display.
After oxygen machine work, when central processing unit detects that temperature rise rate transfinites by temperature sensor, it is judged as wind
Stall is fanned, and controls compressor and stops working, avoiding oxygen machine caused by stalling due to fan, temperature rapid increase and leads
The danger of cause.Failure-description is shown on display screen simultaneously, and alarm sound is issued by voice alerting unit, with prompt
User's connection repairs after sale.
As shown in figure 3, for fan stalling detection control flow chart of the invention.Central processing unit passes through temperature sensor
The temperature of acquisition compressor fan air inlet side in real time, and further calculate the temperature rise rate in the segmentation short time, that is, it calculates
Out in this time temperature and time institute fitting a straight line slope K.When the value of the slope K is much larger than normal value, illustrate at this
The raised rate of temperature is especially fast in the section time, then is judged as fan stall.It is when being judged as fan stall, then central
Processing unit output fan failure description information is shown to display unit, and makes warning note by voice alerting unit, into
And the compressor for controlling oxygen machine ontology is out of service.
Claims (7)
1. a kind of fan of oxygen machine stalls detection device characterized by comprising
Temperature sensor is arranged in oxygen machine ontology, detects the compressor internal operating temperature of oxygen machine ontology and exports and gives
Central processing unit；
Central processing unit is separately connected temperature sensor, oxygen machine this gas compressor, display unit, voice alerting unit；Institute
Central processing unit is stated to receive oxygen machine body interior operating temperature and export to display unit, according to the compression of oxygen machine ontology
Machine internal operating temperature output fan failure description information is shown to display unit, and makes alarm by voice alerting unit and mention
Show, and then the compressor for controlling oxygen machine ontology is out of service；
Display unit, the compressor internal operating temperature and fan failure description information of real-time display oxygen machine ontology；
Voice alerting unit makes fan failure warning note by voice.
2. a kind of fan of oxygen machine described in accordance with the claim 1 stalls detection device, which is characterized in that the oxygen machine sheet
The miscellaneous gas that body is used to remove in air obtains pure oxygen, comprising: compressor is sequentially connected integral valve by pipeline, molecular sieve is inhaled
Attached tower, check valve, oxygen container, pressure maintaining valve and oxygen exhaust connector；The adsorbing tower with molecular sieve is two；
The compressor is used for compressed air；The integral valve controls making oxygen；In the adsorbing tower with molecular sieve absorption air
Miscellaneous gas to extracting oxygen；The check valve prevents the oxygen in oxygen container from flowing back into adsorbing tower with molecular sieve；The oxygen container
Store the oxygen extracted；The pressure maintaining valve stablizes oxygen exhaust pressure；The oxygen exhaust connector connects Oxygen tube.
3. the fan according to a kind of oxygen machine described in claim 1-2 any one stalls detection device, which is characterized in that institute
State the compressor internal fan air inlet side that oxygen machine ontology is arranged in temperature sensor.
4. the fan according to a kind of oxygen machine described in claim 1-2 any one stalls detection device, which is characterized in that institute
Stating central processing unit is microcontroller.
5. the fan according to a kind of oxygen machine described in claim 1-2 any one stalls detection device, which is characterized in that institute
Stating display unit is TFT liquid crystal display.
6. a kind of fan of oxygen machine stalls detection method, which comprises the following steps:
Step 1: central processing unit exports the fan stall of oxygen machine according to temperature change；
Step 2: central processing unit output fan failure description information is shown to display unit, and is done by voice alerting unit
Warning note out, and then the compressor for controlling oxygen machine ontology is out of service.
7. a kind of fan of oxygen machine stalls detection device according to claim 6, which is characterized in that in the step 1
Central processing unit according to temperature change export oxygen machine fan stall, comprising:
Step 1.1: central processing unit acquires the compressor fan air inlet one of oxygen machine ontology by temperature sensor in real time
The temperature of side；
Step 1.2: calculating the temperature rise rate of the compressor fan air inlet side temperature in split time；
Step 1.3: when the value of the temperature rise rate is greater than preset threshold, being then judged as fan stall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810089351.2A CN110095631A (en) | 2018-01-30 | 2018-01-30 | A kind of the fan stalling detection device and method of oxygen machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810089351.2A CN110095631A (en) | 2018-01-30 | 2018-01-30 | A kind of the fan stalling detection device and method of oxygen machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110095631A true CN110095631A (en) | 2019-08-06 |
Family
ID=67442311
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810089351.2A Withdrawn CN110095631A (en) | 2018-01-30 | 2018-01-30 | A kind of the fan stalling detection device and method of oxygen machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110095631A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110513826A (en) * | 2019-09-10 | 2019-11-29 | 宁波奥克斯电气股份有限公司 | A kind of air conditioner and its control method |
| CN115159285A (en) * | 2022-07-01 | 2022-10-11 | 重庆大学 | Elevator state monitoring method and elevator state monitoring device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US20050072426A1 (en) * | 2003-10-07 | 2005-04-07 | Deane Geoffrey Frank | Portable gas fractionalization system |
| CN201766617U (en) * | 2010-06-10 | 2011-03-16 | 沈阳新松医疗科技股份有限公司 | Remote monitoring network oxygen machine system |
| CN104197629A (en) * | 2014-09-10 | 2014-12-10 | 合肥晶弘电器有限公司 | Temperature control device and method for compressor and condenser |
| CN206638642U (en) * | 2016-11-03 | 2017-11-14 | 沈阳昌泰医疗科技有限公司 | A kind of oxygenerator with Concentration Testing |
| CN206670169U (en) * | 2016-11-21 | 2017-11-24 | 江苏双盛医疗器械有限公司 | A kind of oxygen machine refrigerating plant |
-
2018
- 2018-01-30 CN CN201810089351.2A patent/CN110095631A/en not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050072426A1 (en) * | 2003-10-07 | 2005-04-07 | Deane Geoffrey Frank | Portable gas fractionalization system |
| CN201766617U (en) * | 2010-06-10 | 2011-03-16 | 沈阳新松医疗科技股份有限公司 | Remote monitoring network oxygen machine system |
| CN104197629A (en) * | 2014-09-10 | 2014-12-10 | 合肥晶弘电器有限公司 | Temperature control device and method for compressor and condenser |
| CN206638642U (en) * | 2016-11-03 | 2017-11-14 | 沈阳昌泰医疗科技有限公司 | A kind of oxygenerator with Concentration Testing |
| CN206670169U (en) * | 2016-11-21 | 2017-11-24 | 江苏双盛医疗器械有限公司 | A kind of oxygen machine refrigerating plant |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110513826A (en) * | 2019-09-10 | 2019-11-29 | 宁波奥克斯电气股份有限公司 | A kind of air conditioner and its control method |
| CN115159285A (en) * | 2022-07-01 | 2022-10-11 | 重庆大学 | Elevator state monitoring method and elevator state monitoring device |
| CN115159285B (en) * | 2022-07-01 | 2023-11-03 | 重庆大学 | Elevator state monitoring method and elevator state monitoring device |
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Application publication date: 20190806 |