KR100372032B1 - An apparatus for controlling the oxygen purity - Google Patents
An apparatus for controlling the oxygen purity Download PDFInfo
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- KR100372032B1 KR100372032B1 KR10-2000-0011025A KR20000011025A KR100372032B1 KR 100372032 B1 KR100372032 B1 KR 100372032B1 KR 20000011025 A KR20000011025 A KR 20000011025A KR 100372032 B1 KR100372032 B1 KR 100372032B1
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- oxygen
- purity
- concentrator
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- 239000001301 oxygen Substances 0.000 title claims abstract description 176
- 229910052760 oxygen Inorganic materials 0.000 title claims abstract description 176
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 title claims abstract description 175
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 claims description 4
- 229910001882 dioxygen Inorganic materials 0.000 claims description 4
- 238000001514 detection method Methods 0.000 claims description 2
- 230000002159 abnormal effect Effects 0.000 claims 1
- 230000006835 compression Effects 0.000 claims 1
- 238000007906 compression Methods 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 7
- 238000004065 wastewater treatment Methods 0.000 abstract description 2
- 230000001276 controlling effect Effects 0.000 description 11
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 10
- 239000007789 gas Substances 0.000 description 9
- 239000003463 adsorbent Substances 0.000 description 7
- 229910052757 nitrogen Inorganic materials 0.000 description 5
- 229910021536 Zeolite Inorganic materials 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 239000010457 zeolite Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 150000002926 oxygen Chemical class 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/04—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K37/00—Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
- F16K37/0025—Electrical or magnetic means
- F16K37/005—Electrical or magnetic means for measuring fluid parameters
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Oxygen, Ozone, And Oxides In General (AREA)
- Separation Of Gases By Adsorption (AREA)
Abstract
개시된 내용은 산소농축기에서 생산된 고순도의 산소와 압축공기공급부로부터 얻은 압축공기를 가변형의 해당 유동량조절밸브들을 자동으로 단속제어하여 소망하는 비율로 혼합함에 의하여 원하는 순도의 산소를 연속적으로 자동공급할 수 있는 의료용 산소농축기의 산소순도조절장치에 관한 것이다.The disclosed contents can continuously supply oxygen of desired purity continuously by mixing the high purity oxygen produced in the oxygen concentrator and the compressed air obtained from the compressed air supply unit automatically with intermittent control of the variable flow rate control valves at a desired ratio. It relates to an oxygen purity control device of the medical oxygen concentrator.
이러한 본 발명의 의료용 산소농축기의 산소순도조절장치는 피드백방식을 채용할 경우 출력된 산소순도값을 검출하여 가공을 위한 데이터값으로 연속적으로 피드백하여 해당 조절밸브들을 연속적으로 제어보정함으로써 보다 정확히 소망하는 산소순도를 맞출 수 있음은 물론, 지속적인 순도의 유지가 가능하다. 특히, 본 발명은 어느 환경에서나 사용자가 소망하는 순도로 출력값의 변경이 용이하여, 즉각적으로 변정된 순도의 산소를 얻을 수 있다. 이상과 같은 잇점들로 인해, 본 장치는 높은 안정성과 신뢰성을 확보할 수 있으며, 자동으로 산정 및 제어구동되므로 사용의 편리성을 증진할 수 있다. 그러므로, 배양실, 잠수부의 산소탱크, 위급을 요하는 구급차, 소방차 및, 폐수처리장등 일정순도의 산소공급을 요하는 곳에는 어디든지 적용이 가능하며, 특히 산소순도의 변화가 잦은 곳에서 보다 유용하게 사용될 수 있다.When the oxygen purity control device of the medical oxygen concentrator of the present invention adopts a feedback method, it detects the output oxygen purity value and continuously feeds it back to the data value for processing to continuously control and correct the corresponding control valves. Oxygen purity can be matched, and continuous purity can be maintained. In particular, the present invention can easily change the output value to the purity desired by the user in any environment, so that oxygen of the purified purity can be obtained immediately. Due to the above advantages, the device can secure high stability and reliability, and can be automatically calculated and controlled to increase the convenience of use. Therefore, it can be applied wherever oxygen supply of certain purity is required, such as culture chamber, diver's oxygen tank, emergency ambulance, fire engine, and wastewater treatment plant, especially where frequent change of oxygen purity occurs. Can be used.
Description
본 발명은 의료용, 실험용이나 산업용으로 두루 사용되고 있는 범용 산소농축기에서 발생된 산소를 소망하는 산소순도로 조절하여 공급하는 산소공급장치에 관한 것으로, 특히 산소농축기에서 생산된 고순도의 산소와 압축공기공급부로부터 얻은 압축공기를 가변형의 해당 유동량조절밸브들을 자동으로 단속제어하여 소망하는 비율로 혼합함에 의하여 원하는 순도의 산소를 연속적으로 자동공급할 수 있는 의료용 산소농축기의 산소순도조절장치에 관한 것이다.The present invention relates to an oxygen supply device for controlling and supplying oxygen generated from a general-purpose oxygen concentrator, which is widely used for medical, laboratory, or industrial purposes, to desired oxygen purity. Particularly, from the high-purity oxygen and compressed air supply unit produced in the oxygen concentrator, The present invention relates to an oxygen purity control device for a medical oxygen concentrator capable of continuously supplying oxygen of desired purity continuously by automatically controlling the flow rate regulating valves of variable type at a desired ratio.
일반적으로, 산소농축기는 대기중에서 산소를 분리농축하는 장치로, 이러한 산소농축기의 작동원리는 제올라이트(Zeolite)라 불리는 흡착제가 소정의 기체분자를 흡착시키는 성질을 이용한다. 대기중 약 80%를 차지하는 질소는 산소보다 제올라이트에 잘 흡착되므로 공기를 흡착제가 충전된 흡착베드에 유입시키게 되면 질소성분은 흡착되고, 질소성분이 줄어든 기체는 베드상단 출구로 배출된다. 그럼으로써 이렇게 배출된 기체의 주성분으로 산소를 얻게 되는 것이다.In general, an oxygen concentrator is a device for separating and concentrating oxygen in the atmosphere. The operating principle of the oxygen concentrator uses a property of adsorbent called zeolite to adsorb predetermined gas molecules. Nitrogen, which occupies about 80% of the atmosphere, is better adsorbed to the zeolite than oxygen, so when air is introduced into the adsorption bed filled with the adsorbent, the nitrogen is adsorbed and the gas with reduced nitrogen is discharged to the outlet of the upper bed. As a result, oxygen is obtained as the main component of the emitted gas.
위의 질소흡착과정은 가압기체를 소정의 흡착제를 통과시킴으로써 질소만이 흡착되고 나머지 기체는 통과시켜 공기중의 산소를 분리하여 얻는 과정으로, 이때 흡착제인 제올라이트는 질소가 흡착되어 성능이 격감하므로 질소를 그로부터 분리(탈착)하여 원래의 성능을 회복시켜 주어야 된다. 이 과정이 탈착과정으로 흡착제에 흡착된 흡착기체를 통과하는 기체중 일부를 저압상태에서 재순환시켜 탈착함으로써 흡착제를 세정하여 흡착능을 회복시키게 된다.The above nitrogen adsorption process is a process in which only nitrogen is adsorbed by passing a pressurized gas through a predetermined adsorbent and the remaining gas is passed to separate oxygen from the air. Should be removed (removed) from it to restore its original performance. In this process, some of the gas passing through the adsorbent gas adsorbed by the adsorbent is recycled and desorbed at low pressure to restore the adsorbent to recover the adsorbent capacity.
이렇게 산소농축기를 통해 얻은 고순도의 산소는 통상 사용하고자 하는 순도로 가공하여 사용하게 되는 데, 이를 위해 기존에는 산소농축기에 생산된 고순도의 산소기체를 압축공기와 특정용기에서 적정비율로 혼합하여 원하는 산소순도를 얻었다. 물론, 이것은 특정용기에 유입되는 혼합기체들의 유량을 수동으로 제어하여 얻었다. 특히, 사용자가 원하는 산소순도로 변경할 필요가 있을 경우에는 다시 계산을 하고, 그것을 토대로 유량을 수동으로 변경하여 기체를 혼합하여야 했다. 그러므로, 원하는 산소순도가 산출되지 않거나 산소순도의 변경이 필요할 때마다 다시 수동으로 조작을 하여야 하는 번거로움과 불편함이 있었으며, 얻고자 하는 정확한 순도의 산소를 얻기 어려운 문제점도 있었다.The high-purity oxygen obtained through the oxygen concentrator is processed and used in order to use normally. To this end, conventionally, high-purity oxygen gas produced in the oxygen concentrator is mixed with compressed air and a specific container at an appropriate ratio. Purity was obtained. Of course, this was achieved by manually controlling the flow rate of the mixed gases entering a particular container. In particular, when the user needs to change to the desired oxygen purity, it was necessary to recalculate and mix the gas by manually changing the flow rate. Therefore, when the desired oxygen purity is not calculated or when the oxygen purity needs to be changed, there is the inconvenience and inconvenience of having to manually operate again, and there is a problem that it is difficult to obtain the oxygen of the correct purity to obtain.
따라서, 본 발명의 목적은 상기에서와 같은 종래의 결점들을 해소하기 위해서 안출한 것으로서, 산소농축기에서 생산된 고순도의 산소와 압축공기공급부로부터 얻은 압축공기를 가변형의 해당 유동량조절밸브들을 자동으로 단속제어하여 소망하는 비율로 혼합함에 의하여 원하는 순도의 산소를 연속적으로 자동공급할 수 있는 의료용 산소농축기의 산소순도조절장치를 제공함에 있다.Accordingly, an object of the present invention is to solve the above-mentioned drawbacks as described above, and to control the flow control valves of the variable flow rate control valves of the high-purity oxygen produced in the oxygen concentrator and the compressed air obtained from the compressed air supply unit It is to provide an oxygen purity control device for medical oxygen concentrator that can continuously supply oxygen of the desired purity by mixing at a desired ratio.
도 1은 본 발명에 따른 의료용 산소농축기의 산소순도조절장치의 핵심부분의 일실시예를 나타낸 도면,1 is a view showing an embodiment of the essential part of the oxygen purity control device of the medical oxygen concentrator according to the present invention,
도 2는 본 발명에 따른 의료용 산소농축기의 산소순도조절장치의 핵심부분의 다른 실시예를 나타낸 도면,2 is a view showing another embodiment of the essential part of the oxygen purity control device of the medical oxygen concentrator according to the present invention,
도 3은 도 2가 적용된 본 발명에 따른 의료용 산소농축기의 산소순도조절장치의 전체구성을 나타낸 블럭도.Figure 3 is a block diagram showing the overall configuration of the oxygen purity control device of the medical oxygen concentrator according to the present invention 2 is applied.
*도면의 주요부분에 대한 부호설명* Code descriptions for the main parts of the drawings
10 : 산소유동관 20 : 산소유동량조절밸브10: oxygen flow pipe 20: oxygen flow control valve
21 : 제 1구동모터 30 : 공기유동관21: first drive motor 30: air flow pipe
40 : 공기유동량조절밸브 41 : 제 2구동모터40: air flow control valve 41: second drive motor
50 : 산소순도제어회로 60 : 출력관50: oxygen purity control circuit 60: output tube
70 : 산소순도센서 80 : 산소농축기70: oxygen purity sensor 80: oxygen concentrator
90 : 압축공기공급부 100,101 : 압력레귤레이터90: compressed air supply unit 100,101: pressure regulator
110 : 가압기 111 : 체크밸브110: pressurizer 111: check valve
120 : 산소공급탱크 121 : 압력스위치120: oxygen supply tank 121: pressure switch
130 : 메인콘트롤러130: main controller
이와 같은 목적을 달성하기 위한 본 발명에 따른 의료용 산소농축기의 산소순도조절장치는 산소농축기로부터 출력된 농축산소와 압축공기공급부로 출력된 압축공기를 소정비율로 혼합하여 소망하는 순도의 산소를 제조하는 장치에 있어서, 상기 산소농축기로부터 출력된 농축산소를 개폐정도에 따라 산소유동량을 통제하여 출력하는 산소유동량조절밸브; 상기 압축공기의 유동량을 통제하여 상기 산소유동량조절밸브를 통해 출력되는 산소와 혼합되는 공기량을 제어하는 공기유동량조절밸브; 상기 산소유동량조절밸브의 개폐정도를 제어하는 제 1구동모터; 상기 공기유동량조절밸브의 개폐정도를 제어하는 제 2구동모터; 및 설정된 산소순도에 따라 상기 제 1, 제 2구동모터를 제어하는 산소순도제어회로를 포함한다.The oxygen purity control apparatus of the medical oxygen concentrator according to the present invention for achieving the above object is to produce oxygen of the desired purity by mixing the concentrated oxygen output from the oxygen concentrator and the compressed air output to the compressed air supply unit at a predetermined ratio. An apparatus, comprising: an oxygen flow rate control valve configured to control an oxygen flow rate based on an opening and closing degree of concentrated oxygen output from the oxygen concentrator; An air flow rate control valve for controlling the amount of air mixed with oxygen output through the oxygen flow rate control valve by controlling the flow rate of the compressed air; A first driving motor for controlling the opening and closing degree of the oxygen flow rate control valve; A second driving motor controlling an opening and closing degree of the air flow rate control valve; And an oxygen purity control circuit for controlling the first and second driving motors according to the set oxygen purity.
이하, 본 발명의 바람직한 실시예를 첨부된 도면들에 의거하여 상세히 설명한다.Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.
도 1은 본 발명에 따른 의료용 산소농축기의 산소순도조절장치의 핵심부분의 일실시예를 나타낸 것으로, 본 실시예는 개방형에 적용되는 구성요소를 도시하고 있다.Figure 1 shows an embodiment of the core portion of the oxygen purity control device of the medical oxygen concentrator according to the present invention, this embodiment shows a component applied to the open type.
산소농축기(미도시)로부터 산출된 농축산소는 산소유동관(10)으로 유입된다. 이 산소유동관(10)에는 가변형의 산소유동량조절밸브(20)가 설치되어 있다. 산소유동량조절밸브(20)는 제 1구동모터(21)에 의해 구동제어되어 산소유동관(10)을 통과하는 농축산소의 유량을 조절할 수 있게 된다.The concentrated oxygen calculated from the oxygen concentrator (not shown) is introduced into the oxygen flow tube 10. The oxygen flow pipe 10 is provided with a variable oxygen flow rate control valve 20. The oxygen flow rate control valve 20 is driven by the first drive motor 21 to adjust the flow rate of concentrated oxygen passing through the oxygen flow pipe 10.
한편, 압축공기공급부(미도시)로부터 출력된 압축공기는 공기유동관(30)으로 유입되며, 이 공기유동관(30)에는 공기유동량조절밸브(40)가 구비되어 그 개폐정도를 가변시킴에 의해 통과하는 유동량을 조절하게 된다. 물론, 이 공기유동량조절밸브(40)도 제 2구동모터(41)에 의해 그 개폐정도가 조절제어된다. 이상의 제 1,제 2구동모터(21,41)를 제어하기 위해서 본 장치는 산소순도제어회로(50)를 구비하고 있다. 이 산소순도제어회로(50)에서 산출된 값에 따라 제 1,제2구동모터(21,41)를 각각 제어함에 의하여 산소유동관(10)과 공기유동관(30)으로 흐르는 산소 및 공기의 양을 조절하여 혼합되게 함으로써 산소의 순도를 목표값으로 조정하게 된다. 그러므로, 산소유동관(10)과 공기유동관(30)은 산소유동량조절밸브(20)와 공기유동량조절밸브(40)의 후단에서 만나 하나의 출력관(60)을 이룸으로써 각각의 해당 조절밸브들(20,40)을 통해 소정비율로 각각의 유동관들(10,30)을 통과한 산소와 공기는 혼합되어 목표하는 순도값을 갖게 되는 것이다. 이렇게 혼합되어 원하는 순도를 갖는 산소는 필요한 곳으로 공급되게 된다. 위의 압축공기공급부는 공기압축기일 수도 압축된 공기를 저장하고 있는 압축공기저장탱크일 수도 있다.On the other hand, the compressed air output from the compressed air supply unit (not shown) is introduced into the air flow pipe 30, the air flow pipe 30 is provided with an air flow rate control valve 40 is passed through by varying the degree of opening and closing To control the flow rate. Of course, the air flow amount regulating valve 40 is also controlled by the second drive motor 41 to open and close. In order to control the first and second drive motors 21 and 41 described above, the apparatus is provided with an oxygen purity control circuit 50. The amount of oxygen and air flowing through the oxygen flow tube 10 and the air flow tube 30 by controlling the first and second drive motors 21 and 41, respectively, in accordance with the value calculated by the oxygen purity control circuit 50. By adjusting and mixing, the purity of oxygen is adjusted to a target value. Therefore, the oxygen flow pipe 10 and the air flow pipe 30 meet at the rear end of the oxygen flow control valve 20 and the air flow control valve 40 to form a single output pipe 60 to the respective control valves 20 Oxygen and air passing through each of the flow tubes 10 and 30 at a predetermined ratio through 40 are mixed to have a target purity value. In this way, the oxygen having the desired purity is supplied where necessary. The compressed air supply unit may be an air compressor or a compressed air storage tank storing compressed air.
이상의 구조를 갖는 본 산소공급장치는 설정된 값에 따라 산소순도제어회로(50)가 제 1,제 2구동모터(21,41)를 제어하여 해당 조절밸브(20,40)의 개폐정도를 조절함에 의하여 일방적으로 설정된 산소순도를 얻게 된다. 그러므로, 동일한 순도를 갖는 산소가 계속해서 출력되며, 약간의 순도차이가 발생해도 이를 보정할 수 있는 장치가 본 실시예에는 마련되어 있지 않다. 따라서, 출력되는 순도값을 검출하여 목표값과 비교하여 오차를 보정할 수 있는 장치를 갖추는 것이 바람직하며, 이와 같은 실시예가 도 2에 개시되어 있다.This oxygen supply device having the above structure is to adjust the opening and closing degree of the control valve 20, 40 by the oxygen purity control circuit 50 controls the first and second drive motors (21, 41) according to the set value. By this, the oxygen purity is set unilaterally. Therefore, oxygen having the same purity is continuously output, and an apparatus capable of correcting this even if a slight difference in purity occurs is not provided in this embodiment. Therefore, it is desirable to have a device capable of detecting an output purity value and correcting the error compared with a target value. Such an embodiment is disclosed in FIG.
도 2는 본 발명에 따른 의료용 산소농축기의 산소순도조절장치의 핵심부분의 다른 실시예를 나타낸 것으로, 본 실시예에서는 피드백(Feed-back)형에 적용되는 구성요소를 도시하고 있다.Figure 2 shows another embodiment of the core portion of the oxygen purity control device of the medical oxygen concentrator according to the present invention, this embodiment shows the components applied to the feedback (Feed-back) type.
본 실시예에서는 도 1과 같은 구성요소에다 출력된 산소순도를 검출하여, 다시 목표치와 비교하여 보정함에 의하여 원하는 바대로 정확한 순도를 맞출 수 있는 시스템을 구축하고 있다. 즉, 산소유동관(10)과 공기유동관(30)이 만나는 후단부의 출력관(60)상에 산소순도센서(70)를 설치하여 출력되는 산소순도를 검출하고, 이 값을 산소순도제어회로(50)에 보내 목표값과 비교하여 다시 제 1,제 2구동모터(21,41)를 제어구동함에 의하여 산소유동량조절밸브(20)와 공기유동량조절밸브(40)의 개폐상태를 조절하여 출력되는 산소를 목표값으로 재조정하게 된다. 이와 같이 본 실시예에서는 산소순도센서(70)로 출력되는 산소순도값을 검출하여 제어값으로 피드백함으로써 자체적으로 목표치(순도)로 출력되는 산소순도를 정확하게 일치시킬 수 있게 된다.In this embodiment, the oxygen purity outputted to the components as shown in FIG. 1 is detected, and compared with the target value, the system is corrected as desired. That is, the oxygen purity sensor 70 is installed on the output tube 60 of the rear end where the oxygen flow tube 10 and the air flow tube 30 meet to detect the oxygen purity outputted, and this value is converted to the oxygen purity control circuit 50. The oxygen output by adjusting the opening and closing state of the oxygen flow control valve 20 and the air flow control valve 40 by controlling the first and second drive motors 21 and 41 again in comparison with the target value. The target value will be readjusted. As described above, in the present exemplary embodiment, the oxygen purity value output to the oxygen purity sensor 70 is detected and fed back to the control value, thereby accurately matching the oxygen purity output to the target value (purity).
도 3은 도 2가 적용된 본 발명에 따른 의료용 산소농축기의 산소순도조절장치의 전체구성을 나타낸 블럭도이다. 이 도면에서는 구성요소들의 작용관계를 알기 쉽게 공기흐름은 실선 화살표로, 제어신호는 일점쇄선 화살표로 표시하고 있다.Figure 3 is a block diagram showing the overall configuration of the oxygen purity control device of the medical oxygen concentrator according to the present invention 2 is applied. In this figure, the air flow is indicated by the solid arrow and the control signal is indicated by the dashed-dotted arrow.
도시한 바와 같이, 산소농축기(80)와 압축공기공급부(90)를 통해 공급되는 농축산소와 압축공기는 각각 제 1,제 2압력레귤레이터(100,101)에 의해 일정한 압력으로 가공되어 공급되게 된다. 이와 같이 공급된 농축산소와 압축공기는 그 해당유동관들에 설치된 산소유동량조절밸브(20)와 공기유동량조절밸브(40)에 의해 설정된 유량이 출력되도록 제어된다. 이때, 산소/공기유동량조절밸브(20,40)는 각각에 설치된 제 1,제 2구동모터(21,41)에 의해서 구동되어 개폐정도가 제어되는 데, 특히 제 1,제 2구동모터(21,41)는 산소순도제어회로(50)의 제어신호에 의해 설정된 산소순도를 맞추기 위해서 해당 유동량조절밸브들(20,40)을 개폐제어하게 된다.As shown, the concentrated oxygen and compressed air supplied through the oxygen concentrator 80 and the compressed air supply unit 90 are processed and supplied to a predetermined pressure by the first and second pressure regulators 100 and 101, respectively. The concentrated oxygen and compressed air thus supplied are controlled such that the flow rate set by the oxygen flow rate control valve 20 and the air flow rate control valve 40 installed in the corresponding flow pipes is output. At this time, the oxygen / air flow rate control valve (20, 40) is driven by the first and second drive motors (21, 41) installed in each of the opening and closing degree is controlled, in particular the first, second drive motor (21) Reference numeral 41 denotes opening / closing control of the flow control valves 20 and 40 in order to match the oxygen purity set by the control signal of the oxygen purity control circuit 50.
이와 같이 산소/공기유동량조절밸브(20,40)를 거쳐 설정비율로 출력된 농축산소 및 압축공기는 출력관에서 혼합되어 원하는 산소순도를 형성하게 된다. 이 출력되는 출력관에는 산소순도센서(70)가 장착되어 있어 산소순도를 수시로 측정하게 된다. 이렇게 측정된 산소순도값은 산소순도제어회로(50)에 입력되고, 산소순도제어회로(50)는 입력되어진 순도값을 처리하여 설정치의 순도값과 다를 경우 제 1,제 2모터(21,41)를 보정구동하여 설정순도값을 얻도록 연속적으로 제어하게 된다. 이와 같이 계속적으로 산소순도센서(70)에서 순도측정값을 얻어 그 값을 피드백하며 정확한 순도의 산소를 제조하도록 제어하게 된다.As such, the concentrated oxygen and compressed air output at a set ratio through the oxygen / air flow control valves 20 and 40 are mixed in the output tube to form a desired oxygen purity. The output tube is equipped with an oxygen purity sensor 70 is to measure the oxygen purity from time to time. The oxygen purity value measured in this way is input to the oxygen purity control circuit 50, and the oxygen purity control circuit 50 processes the input purity value to be different from the purity value of the set value. ), The control is continuously performed to obtain the set purity value. As described above, the purity measurement value is continuously obtained from the oxygen purity sensor 70 and the value is fed back to control the oxygen to be manufactured with the correct purity.
그리고, 출력관으로부터 출력되는 원하는 순도의 산소는 가압기(110)를 경유하며 소정압력으로 가압가공되어 산소공급탱크(120)에 저장되게 된다. 이때, 가압기(110)와 산소공급탱크(120) 사이에는 체크밸브(111)가 개재되어 산소공급탱크(120)로부터 저장된 산소가 역류하는 것을 방지하게 된다. 그러므로, 가압기(110)에서는 체크밸브(111)의 허용압력이상으로 산소를 가압하여 보내게 된다.And, the oxygen of the desired purity output from the output tube is pressurized to a predetermined pressure via the pressurizer 110 is to be stored in the oxygen supply tank 120. At this time, a check valve 111 is interposed between the pressurizer 110 and the oxygen supply tank 120 to prevent backflow of oxygen stored from the oxygen supply tank 120. Therefore, the pressurizer 110 pressurizes and sends oxygen above the allowable pressure of the check valve 111.
이상과 같은 공정을 거쳐 생산된 소망하는 순도의 산소는 산소공급탱크(120)에 저장되는 데, 이때 산소공급탱크(120)에 수용량이상의 산소가 유입되면 안된다. 그러므로, 산소공급탱크(120)에는 압력스위치(121)가 구비되어 수용량이상의 산소가 생성되면 메인콘트롤러(130)에 신호를 보내 산소농축기(80)와 압축공기공급부(90)의 작동을 정지시키게 된다. 부연설명하면, 압력스위치(121)는 사용자가 산소공급탱크(120)의 크기와 시스템의 안전성을 고려하여 설정한 압력이상이 되면 메인콘트롤러(130)에 그 검출신호를 전송하여 메인콘트롤러(130)가 산소농축기(80) 및 압축공기공급부(90)의 작동정지신호를 내보내게 한다. 특히, 다른 환경에서 본 장치를 사용함에 있어 소망하는 순도값이 다를 경우 해당하는 순도값을 메인콘트롤러(130)에 입력만 하면 자동으로 메인콘트롤러(130)는 산소순도제어회로(50)에 제어값을 출력하여 제 1,제 2구동모터(21,41)를 통해 해당밸브들(20,40)의 개폐정도를 조절함으로써 어느 곳에서나 원하는 순도의 산소를 얻을 수 있게 된다.Oxygen of the desired purity produced through the process as described above is stored in the oxygen supply tank 120, at this time oxygen should not flow into the oxygen supply tank 120 in the capacity. Therefore, the oxygen supply tank 120 is provided with a pressure switch 121 to stop the operation of the oxygen concentrator 80 and the compressed air supply unit 90 by sending a signal to the main controller 130 when the oxygen of the capacity is generated. . In detail, the pressure switch 121 transmits the detection signal to the main controller 130 when the pressure is greater than the pressure set by the user in consideration of the size of the oxygen supply tank 120 and the safety of the system. To send the operation stop signal of the oxygen concentrator 80 and the compressed air supply unit 90. In particular, when using the device in a different environment, if the desired purity value is different, simply input the corresponding purity value to the main controller 130, the main controller 130 automatically control value to the oxygen purity control circuit 50 By outputting the first and second driving motors (21, 41) by adjusting the opening and closing degree of the corresponding valves (20, 40) it is possible to obtain the desired purity of oxygen anywhere.
이상 서술한 바와 같이, 본 발명의 의료용 산소농축기의 산소순도조절장치는 산소농축기에서 생산된 고순도의 산소와 압축공기공급부로부터 얻은 압축공기를 가변형의 유동량조절밸브들을 자동으로 단속제어함으로써 소망하는 비율로 혼합하여 원하는 순도의 산소를 연속적으로 자동공급할 수 있는 잇점을 가지고 있다. 더욱기, 본 발명에서 피드백방식을 채용할 경우는 출력된 산소순도값을 검출하여 보정을 위한 데이터값으로 피드백함으로써 해당 조절밸브들을 연속적으로 보정제어하여 정확하게 소망하는 산소순도를 맞출 수 있을 뿐만 아니라, 지속적인 순도의 유지가 가능한 장점을 가지고 있다. 특히, 본 발명은 어느 환경에서나 사용자가 소망하는 순도로 출력값의 변경이 용이하고, 곧바로 산소순도제어회로에 의해 유량이 제어되어 변정된 순도의 산소를 얻을 수 있는 효과가 있다.As described above, the oxygen purity control device of the medical oxygen concentrator of the present invention automatically controls the variable flow rate control valves at a desired ratio by automatically controlling the high-purity oxygen produced by the oxygen concentrator and the compressed air obtained from the compressed air supply unit. It has the advantage of being able to continuously and automatically supply oxygen of the desired purity by mixing. Furthermore, in the case of adopting the feedback method in the present invention, by detecting the output oxygen purity value and feeding it back to the data value for correction, the control valves can be continuously corrected and adjusted to precisely desired oxygen purity, It has the advantage of maintaining a constant purity. In particular, the present invention is easy to change the output value to the desired purity in any environment, and there is an effect that the flow rate is controlled immediately by the oxygen purity control circuit to obtain the oxygen of the purified purity.
이상과 같은 잇점들로 인해, 본 장치는 높은 안정성과 신뢰성을 확보할 수 있으며, 자동으로 산정 및 제어구동되므로 사용의 편리성을 증진할 수 있다. 그러므로, 배양실, 잠수부의 산소탱크, 위급을 요하는 구급차, 소방차 및, 폐수처리장등 일정순도의 산소공급을 필요로 하는 곳에는 어디든지 적용이 가능하며, 특히 산소순도의 변화가 잦은 곳에서 보다 유용하게 사용될 수 있다. 이것뿐만 아니라 이외에도 본 장치의 이용범위가 매우 넓을 것으로 전망된다.Due to the above advantages, the device can secure high stability and reliability, and can be automatically calculated and controlled to increase the convenience of use. Therefore, it can be applied wherever oxygen supply of constant purity is required, such as culture chamber, diver's oxygen tank, emergency ambulance, fire truck, and wastewater treatment plant, especially where frequent change of oxygen purity is frequent. Can be used. In addition to this, it is expected that the use range of the apparatus will be very wide.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR2020000006179U KR200191120Y1 (en) | 2000-03-06 | 2000-03-06 | An apparatus for controlling the oxygen purity |
| KR10-2000-0011025A KR100372032B1 (en) | 2000-03-06 | 2000-03-06 | An apparatus for controlling the oxygen purity |
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| KR10-2000-0011025A KR100372032B1 (en) | 2000-03-06 | 2000-03-06 | An apparatus for controlling the oxygen purity |
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Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR10-2000-0011025A Expired - Fee Related KR100372032B1 (en) | 2000-03-06 | 2000-03-06 | An apparatus for controlling the oxygen purity |
| KR2020000006179U Expired - Fee Related KR200191120Y1 (en) | 2000-03-06 | 2000-03-06 | An apparatus for controlling the oxygen purity |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR2020000006179U Expired - Fee Related KR200191120Y1 (en) | 2000-03-06 | 2000-03-06 | An apparatus for controlling the oxygen purity |
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| Country | Link |
|---|---|
| KR (2) | KR100372032B1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100528169B1 (en) * | 2003-01-27 | 2005-11-16 | 대호소하텍(주) | Opening rate control apparatus of globe valve using electrical air control valve |
-
2000
- 2000-03-06 KR KR10-2000-0011025A patent/KR100372032B1/en not_active Expired - Fee Related
- 2000-03-06 KR KR2020000006179U patent/KR200191120Y1/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| KR20010086982A (en) | 2001-09-15 |
| KR200191120Y1 (en) | 2000-08-16 |
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