CN110477693A - A kind of oxygen pillow explosion-proof adding pressure type pillowcase and control method - Google Patents
A kind of oxygen pillow explosion-proof adding pressure type pillowcase and control method Download PDFInfo
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- CN110477693A CN110477693A CN201910608127.4A CN201910608127A CN110477693A CN 110477693 A CN110477693 A CN 110477693A CN 201910608127 A CN201910608127 A CN 201910608127A CN 110477693 A CN110477693 A CN 110477693A
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- pillowcase
- flow
- change rate
- oxygen pillow
- difference
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47G—HOUSEHOLD OR TABLE EQUIPMENT
- A47G9/00—Bed-covers; Counterpanes; Travelling rugs; Sleeping rugs; Sleeping bags; Pillows
- A47G9/02—Bed linen; Blankets; Counterpanes
- A47G9/0238—Bed linen
- A47G9/0253—Pillow slips
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
Abstract
The invention discloses a kind of explosion-proof adding pressure type pillowcases of oxygen pillow, comprising: pillowcase upper layer is rectangular；Pillowcase lower layer, and pillowcase upper layer integrally connected, and the annular body of both ends open is enclosed with pillowcase upper layer, it can be set on oxygen pillow；Multiple patches, array distribution suture on pillowcase upper layer, the patch edge and pillowcase upper layer, form accommodating cavity；Multiple clump weights, are separately positioned in accommodating cavity；Wherein, clump weight is able to drive pillowcase upper layer under the effect of gravity and moves to pillowcase lower layer direction, and then squeeze the oxygen pillow between pillowcase upper layer and pillowcase lower layer, the present invention can be set on oxygen pillow, oxygen pillow oxygen supply, uniform force in the case where the extruding of elastic pillowcase and the gravity of counterweight lead squeeze is not easy to explode, the security performance for improving oxygen pillow, the present invention also provides a kind of explosion-proof pillowcase pressure control methods of oxygen pillow.
Description
Technical field
The present invention relates to medical instruments field more particularly to a kind of oxygen pillow explosion-proof adding pressure type pillowcase and a kind of oxygen pillows
With explosion-proof pillowcase pressure control method.
Background technique
Oxygen pillow is mainly used for home oxygen therapy, the emergency aid and treatment of critical or transporting patient on the way, due to light portable
The characteristics of band, than wide, when use, needs to pass through suggestion in advance to the oxygen for being filled with certain pressure in oxygen pillow for application at present
It is patient's oxygen supply that respirator, which is connected to oxygen pillow, and in clinical use, safeguard procedures are less, gas deficiency or patient in oxygen pillow
Attach most importance to after usually pressing oxygen pillow by medical staff when needing oxygen flow larger or oxygen pillow being placed on patient's pillow, by head
Weight pressure flows out oxygen, such method oxygen pillow discontinuity, it cannot be guaranteed that oxygen flow, and make in transit
Used time, easily jolting because of road conditions keeps oxygen pillow displacement oxygen flow of having nothing to do unstable.
Application No. is 201620924043.3 patent document disclose one kind can alarm type oxygen pillow, oxygen pillow into
Position of trachea installs Explosion-proof valve and warning device additional, solves oxygen pillow and is easy to produce asking for explosion in being filled with oxygen process
Topic, by the way that the blowing pressure threshold value of Explosion-proof valve is arranged, connection warning device reminds the medical staff of charge operation to stop inflation,
Although the patent solves the problems, such as that oxygen pillow is also easy to produce explosion in gas replenishment process, but and do not solve oxygen pillow in use process
Middle instability of flow is easy the problem of squeezing explosion.
Application No. is 201821160788.2 patent documents to disclose a kind of oxygen pillow with flow control function, In
Oxygen pillow two sides install bracket additional, and the distance by adjusting two side stands squeezes oxygen pillow, guarantee oxygen flow, but bracket is not easy to receive
It receives, oxygen pillow can be made to lose the advantages of being easy to carry about with one, potential applicability in clinical practice is bad.
Summary of the invention
The present invention provides a kind of oxygen pillows to be respectively set forever with explosion-proof adding pressure type pillowcase in elastic pillow set the upper and lower
Magnet and electromagnet, oxygen pillow oxygen supply in the case where the extruding of elastic pillowcase and the gravitation of two sides magnet squeeze, two sides pressure, stress is more
Uniformly, oxygen pillow stability of flow, and improve the security performance of oxygen pillow.
It is accurate by closed loop PID controller the present invention also provides a kind of explosion-proof pillowcase pressure control method of oxygen pillow
Electromagnet supply current size is controlled, being precisely controlled for pillowcase extruding force is realized, improves the stability of oxygen pillow flow.
Technical solution provided by the invention are as follows:
A kind of explosion-proof adding pressure type pillowcase of oxygen pillow, comprising:
Pillowcase upper layer is rectangular；
Pillowcase lower layer, and pillowcase upper layer integrally connected, and enclose with the pillowcase upper layer ring of both ends open
Shape body can be set on oxygen pillow；
Multiple first patches, array distribution suture on the pillowcase upper layer, the patch edge and the pillowcase upper layer,
Form upper layer accommodating cavity；
Multiple second patches, array distribution suture on the pillowcase lower layer, the patch edge and the pillowcase upper layer,
Form lower layer's accommodating cavity；
Multiple first press-fit blocks are separately positioned in the upper layer accommodating cavity；
Multiple second press-fit blocks are separately positioned in lower layer's accommodating cavity；
Wherein, first press-fit block is permanent magnet, and second press-fit block is electromagnet, first press-fit block and institute
Stating the second press-fit block can be attracted two-by-two.
Preferably, first press-fit block and second press-fit block are cylinder.
Preferably, the pillowcase upper layer and the pillowcase lower layer are made of elastic material.
Preferably, the pillowcase upper layer and the pillowcase underlying surfaces are covered with nano silver particles layer.
Preferably, further include charge power supply, connect the electromagnet, power for the electromagnet.
Preferably, there is switch controller between the charge power supply and the electromagnet, supply current can be controlled
Size.
A kind of explosion-proof pillowcase pressure control method of oxygen pillow, comprising:
The pillowcase is strutted and is set on oxygen pillow, the charge power supply, and real-time detection oxygen pillow flow are opened, and
Desired flow rate of, difference in flow and difference in flow change rate are inputted into PID controller, export the control strategy for supply current.
Preferably, the PID controller includes flow ring controller and difference in flow change rate ring controller；
The input of the flow ring controller is the difference of given target oxygen pillow flow and actually detected oxygen pillow flow,
As difference in flow, the output of the flow ring controller are flow change rate span of control limit of control；
Target flow change rate is calculated according to the flow change rate span of control limit of control；
By the difference input flow rate difference change rate ring controller of the target flow change rate and the actual flow change rate,
The output of the difference in flow change rate ring controller is supply current amplitude of variation.
Preferably, the pid control algorithm formula of the flow ring controller are as follows:
Wherein, R (t) is the flow change rate span of control limit of control of output, kpFor the proportional correction factor of flow ring controller,
kiFor the integral term correction factor of flow ring controller, kdFor the differential term correction factor of flow ring controller, ec(t) for for
The difference of fixed target oxygen pillow flow and actually detected oxygen pillow flow.
Preferably, the pid control algorithm formula of the difference in flow change rate ring controller are as follows:
Wherein, P (t) is supply current amplitude of variation, ki-pSystem is corrected for the proportional of difference in flow change rate ring controller
Number, ki-iFor the integral term correction factor of difference in flow change rate ring controller, ki-dFor the differential of difference in flow change rate ring controller
Item correction factor, epIt (t) is the difference of given target flow change rate and the actual flow change rate.
Preferably, further include Expert Control Rules:
WhenWhen,
Wherein,For the desired flow rate of of oxygen pillow, QiFor the measured discharge of oxygen pillow, pmTo change proportionality coefficient, imFor product
Divide proportionality coefficient, dmFor differential proportionality coefficient, δ is time change coefficient, k 'pIt is corrected for the proportional of regular flow ring controller
Coefficient, ki' for the integral term correction factor of regular flow ring controller, kd' for the differential term of regular flow ring controller correct system
Number；
WhenWhen,
Wherein,For target flow change rate, PiFor the genuine actual flow change rate of oxygen, δ is time change coefficient,
k′i-pFor the proportional correction factor of regular difference in flow change rate ring controller, k 'i-iFor regular difference in flow change rate ring controller
Integral term correction factor, k 'i-dFor the differential term correction factor of regular difference in flow change rate ring controller, epIt (t) is given
The difference of target flow change rate and the actual flow change rate.
Beneficial effect
1, permanent magnet and electromagnet is respectively set in elastic pillow set the upper and lower in the present invention, and oxygen pillow is in elastic pillowcase
It squeezes and the gravitation of two sides magnet squeezes lower oxygen supply, two sides pressure, stress is more evenly.
2, the present invention also provides a kind of explosion-proof pillowcase pressure control methods of oxygen pillow, pass through closed loop PID controller essence
Quasi- control electromagnet supply current size, realizes being precisely controlled for pillowcase extruding force, improves the stability of oxygen pillow flow.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the explosion-proof adding pressure type pillowcase of oxygen pillow of the present invention.
Fig. 2 is the main view of the explosion-proof adding pressure type pillowcase of oxygen pillow of the present invention.
Fig. 3 is the rearview of the explosion-proof adding pressure type pillowcase of oxygen pillow of the present invention.
Fig. 4 is the explosion-proof adding pressure type pillowcase broken line schematic diagram of oxygen pillow of the present invention.
Fig. 5 is schematic diagram after this explosion-proof adding pressure type pillowcase the first fold of practical oxygen pillow of the present invention.
Fig. 6 is schematic diagram after the explosion-proof adding pressure type pillowcase second fold of oxygen pillow of the present invention.
Fig. 7 for the present invention oxygen pillow folded completely with explosion-proof adding pressure type pillowcase after schematic diagram.
Fig. 8 for the present invention oxygen pillow folded completely with explosion-proof adding pressure type pillowcase after perspective view
Fig. 9 is the main view of the explosion-proof another embodiment of adding pressure type pillowcase of oxygen pillow of the present invention.
Figure 10 is the rearview of the explosion-proof another embodiment of adding pressure type pillowcase of oxygen pillow of the present invention.
Specific embodiment
Present invention will be described in further detail below with reference to the accompanying drawings, to enable those skilled in the art referring to specification text
Word can be implemented accordingly.
As shown in Figure 1, a kind of explosion-proof adding pressure type pillowcase of oxygen pillow provided by the invention, comprising: pillowcase upper layer 110, pillow
Submantle layer 120 and multiple clump weights 130.
Wherein, pillowcase upper layer 110 is rectangular；Pillowcase lower layer 120 and 110 integrally connected of pillowcase upper layer, and with pillowcase upper layer
110 enclose the annular body of both ends open, can be set on oxygen pillow；Multiple 131 array distributions of patch on pillowcase upper layer,
131 edge of patch and pillowcase upper layer 110 suture, and form accommodating cavity；Multiple clump weights 130 are separately positioned in accommodating cavity.
Pillowcase is propped up when use, is covered on oxygen pillow, upward by pillowcase upper layer 110, clump weight 130 is under the effect of gravity
It is able to drive pillowcase upper layer 110 to move to 120 direction of pillowcase lower layer, and then squeezes and be located at pillowcase upper layer 110 and pillowcase lower layer 120
Between oxygen pillow.
As a preference, clump weight 130 is lead, clump weight 130 is cylinder, and clump weight is designed as cylinder, keeps away
Exempt from corner angle occur, safety coefficient is higher.
In another embodiment, pillowcase upper layer 110 and pillowcase lower layer 120 are made of elastic material, 110 He of pillowcase upper layer
Pillowcase underlying surfaces 120 are covered with nano silver particles layer, and nanometer silver granuel is tens of to Escherichia coli, gonococcus, chlamydia trachomatis etc.
Kind pathogenic microorganisms has strong inhibition and killing effect, and will not generate drug resistance, and nanometer silver granuel is coated on the outside of pillowcase
Sublayer can prevent patient's cross-reference, virus infection.
As shown in Figure 2,3, it is sewed with engaging lug 140 in one end of pillowcase lower layer, one end of engaging lug 140 is sewn to pillowcase
One end of lower layer 120, the other end as a kind of preferred engaging lug 140 have fillet.The other end of engaging lug 140 has first
Connection buckle 141, the second connection buckle 142 is equipped in pillowcase lower layer 120, and installing tache 142 is located at engaging lug and the suture of pillowcase lower layer
The side of line, engaging lug 140 are made of flexible material, and even button 141 can be with the second connection buckle 142 for curling engaging lug 140 first
It fastens, the bundle circle that engaging lug curls into can accommodate the pillowcase of folding.
As shown in figure 4, pillowcase is made of flexible material, can be rolled over along the first fold line 151a and the second fold line 152b
It is folded, wherein the first fold line 151a is arranged in parallel with the second fold line 152b, and parallel with pillowcase width direction, opens with pillowcase
Oral area is vertical, and pillowcase is divided into three parts by the first fold line 151a and the second fold line 152b, first part 151, and second
Divide 152 and the Part III between first part 151 and second part 153, wherein first part 151 and second part
152 area equations, the area of first part 151 are the half of Part III area.
As shown in figure 5, first part 151 is folded along the first fold line 151a, first part 151 is overlayed into third portion
Dividing 153 tops, second part 152 is folded along the second fold line 152b, second part 152 is overlayed into 153 top of Part III,
Pillowcase after obtaining the first fold.
Wherein, the pillowcase after the first fold can be folded along third fold line 154a, the 4th fold line 155a and the 5th
Line 156a is folded, and third fold line 154a, the 4th fold line 155a and the 5th fold line 156a are arranged in parallel, and is folded with first
Line 151a is vertical with the second fold line 152b.Third fold line 154a, the 4th fold line 155a and the 5th fold line 156a are by
Primary folded pillowcase is divided into four equal parts, Part IV 154, Part V 155, Part VI 156 and the 7th
Divide 157.
As shown in fig. 6, Part IV 154 is overlayed above Part V 155 along third fold line 154a, again by
Four parts 154 and Part V 155 overlay on Part VI 156 along the 4th fold line 155a, again by Part IV 154,
Part V 155 and Part VI 156 overlay above Part VII 157 along the 5th fold line 156a.
As shown in fig. 7, engaging lug 140 is crimped, it is wrapped on folded pillowcase, and even button 141 can be with by first
Second connection buckle 142 fastens.Pillowcase storage area becomes smaller after folding, is easy to carry about with one, and pillowcase is stored after folding, extends pillowcase
Service life.
As shown in Figure 8,9, in another embodiment, the explosion-proof adding pressure type pillowcase of oxygen pillow, comprising: pillowcase upper layer 110, pillow
Submantle layer 120, the first press-fit block 210 and the second press-fit block 220.Pillowcase upper layer 110 be it is rectangular, on pillowcase lower layer 120 and pillowcase
110 integrally connected of layer, and the annular body of both ends open is enclosed with pillowcase upper layer 110, it can be set on oxygen pillow；It is multiple
On pillowcase upper layer 110, the first patch edge and pillowcase upper layer 110 suture first patch array distribution, form multiple upper layers and hold
Chamber is set, multiple second patch array distributions are sutured in 110 lower layer of pillowcase, the second patch edge and pillowcase lower layer 120, formed multiple
Lower layer's accommodating cavity；Upper layer accommodating cavity and lower layer's accommodating cavity correspond, and multiple first press-fit blocks 210 are separately positioned on upper layer accommodating
It is intracavitary；Multiple second press-fit blocks 220 are separately positioned in lower layer's accommodating cavity；Wherein, the first press-fit block 210 is permanent magnet,
Second press-fit block 220 is electromagnet, and when use props up pillowcase, is covered on oxygen pillow, after energization, the second press-fit block 220 has
Magnetism, the first press-fit block 210 and the second press-fit block 220 can be attracted two-by-two, squeeze the oxygen pillow for being located at pillowcase center.As one
Preferably, the first press-fit block and the second press-fit block are cylinder to kind.
The present invention has designed and developed a kind of explosion-proof adding pressure type pillowcase of oxygen pillow, can be set on oxygen pillow, oxygen pillow
The oxygen supply in the case where the extruding of elastic pillowcase and the gravity of counterweight lead squeeze, uniform force is not easy to explode, improves the peace of oxygen pillow
Engaging lug is arranged in pillowcase side in full performance, the present invention, and after pillowcase folds, right engaging lug is fixed, and is easy to carry about with one, and rest the head on after folding
Set storage, extends pillowcase service life.Permanent magnet and electromagnet is respectively set in elastic pillow set the upper and lower, and oxygen pillow is in bullet
Property pillowcase extruding and the gravitation of two sides magnet squeeze lower oxygen supply, two sides pressure, stress is more evenly.
The present invention also provides a kind of explosion-proof pillowcase pressure control methods of oxygen pillow, comprising:
The pillowcase is strutted and is set on oxygen pillow, opens charge power supply, and real-time detection oxygen pillow flow, and will reason
Think flow, difference in flow and difference in flow change rate input PID controller, exports the control strategy for supply current.
Wherein, PID controller includes flow ring controller and difference in flow change rate ring controller；
The input of flow ring controller is the difference of given target oxygen pillow flow and actually detected oxygen pillow flow, as
Difference in flow, the output of flow ring controller are flow change rate span of control limit of control；
Target flow change rate is calculated according to flow change rate span of control limit of control；
By the difference input flow rate difference change rate ring controller of target flow change rate and actual flow change rate, difference in flow becomes
The output of rate ring controller is supply current amplitude of variation.
The pid control algorithm formula of flow ring controller are as follows:
Wherein, R (t) is the flow change rate span of control limit of control of output, kpFor the proportional correction factor of flow ring controller,
kiFor the integral term correction factor of flow ring controller, kdFor the differential term correction factor of flow ring controller, ec(t) for for
The difference of fixed target oxygen pillow flow and actually detected oxygen pillow flow.
The pid control algorithm formula of difference in flow change rate ring controller are as follows:
Wherein, P (t) is supply current amplitude of variation, ki-pSystem is corrected for the proportional of difference in flow change rate ring controller
Number, ki-iFor the integral term correction factor of difference in flow change rate ring controller, ki-dFor the differential of difference in flow change rate ring controller
Item correction factor, epIt (t) is the difference of given target flow change rate and the actual flow change rate.
In another embodiment, further include Expert Control Rules:
WhenWhen,
Wherein,For the desired flow rate of of oxygen pillow, QiFor the measured discharge of oxygen pillow, pmTo change proportionality coefficient, imFor product
Divide proportionality coefficient, dmFor differential proportionality coefficient, δ is time change coefficient, k 'pIt is corrected for the proportional of regular flow ring controller
Coefficient, ki' for the integral term correction factor of regular flow ring controller, kd' for the differential term of regular flow ring controller correct system
Number；
WhenWhen,
Wherein,For target flow change rate, PiFor the genuine actual flow change rate of oxygen, δ is time change coefficient,
k′i-pFor the proportional correction factor of regular difference in flow change rate ring controller, k 'i-iFor regular difference in flow change rate ring controller
Integral term correction factor, k 'i-dFor the differential term correction factor of regular difference in flow change rate ring controller, epIt (t) is given
The difference of target flow change rate and the actual flow change rate.
The present invention is precisely controlled electromagnet supply current size by closed loop PID controller, realizes the essence of pillowcase extruding force
Quasi- control, improves the stability of oxygen pillow flow.
Although the embodiments of the present invention have been disclosed as above, but its is not only in the description and the implementation listed
With it can be fully applied to various fields suitable for the present invention, for those skilled in the art, can be easily
Realize other modification, therefore without departing from the general concept defined in the claims and the equivalent scope, the present invention is simultaneously unlimited
In specific details and legend shown and described herein.
Claims (9)
1. a kind of explosion-proof adding pressure type pillowcase of oxygen pillow characterized by comprising
Pillowcase upper layer is rectangular；
Pillowcase lower layer, and pillowcase upper layer integrally connected, and enclose with the pillowcase upper layer annular sleeve of both ends open
Body can be set on oxygen pillow；
Multiple first patches, array distribution are sutured on the pillowcase upper layer, the patch edge and the pillowcase upper layer, are formed
Upper layer accommodating cavity；
Multiple second patches, array distribution are sutured on the pillowcase lower layer, the patch edge and the pillowcase upper layer, are formed
Lower layer's accommodating cavity；
Multiple first press-fit blocks are separately positioned in the upper layer accommodating cavity；
Multiple second press-fit blocks are separately positioned in lower layer's accommodating cavity；
Wherein, first press-fit block is permanent magnet, and second press-fit block is electromagnet, first press-fit block and described the
Two press-fit blocks can be attracted two-by-two.
2. the explosion-proof adding pressure type pillowcase of oxygen pillow according to claim 1, which is characterized in that first press-fit block and institute
Stating the second press-fit block is cylinder.
3. the explosion-proof adding pressure type pillowcase of oxygen pillow according to claim 1, which is characterized in that the pillowcase upper layer and described
Pillowcase lower layer is made of elastic material.
4. the explosion-proof adding pressure type pillowcase of oxygen pillow according to claim 3, which is characterized in that the pillowcase upper layer and described
Pillowcase underlying surfaces are covered with nano silver particles layer.
5. a kind of explosion-proof pillowcase pressure control method of oxygen pillow characterized by comprising
The pillowcase is strutted and is set on oxygen pillow, opens charge power supply, and real-time detection oxygen pillow flow, and by inviscid flow
Amount, difference in flow and difference in flow change rate input PID controller, export the control strategy for supply current.
6. the explosion-proof pillowcase pressure control method of oxygen pillow according to claim 5, which is characterized in that the PID control
Device includes flow ring controller and difference in flow change rate ring controller；
The input of the flow ring controller is the difference of given target oxygen pillow flow and actually detected oxygen pillow flow, as
Difference in flow, the output of the flow ring controller are flow change rate span of control limit of control；
Target flow change rate is calculated according to the flow change rate span of control limit of control；
It is described by the difference input flow rate difference change rate ring controller of the target flow change rate and the actual flow change rate
The output of difference in flow change rate ring controller is supply current amplitude of variation.
7. the explosion-proof pillowcase pressure control method of oxygen pillow according to claim 6, which is characterized in that the flow ring control
The pid control algorithm formula of device processed are as follows:
Wherein, R (t) is the flow change rate span of control limit of control of output, kpFor the proportional correction factor of flow ring controller, kiFor
The integral term correction factor of flow ring controller, kdFor the differential term correction factor of flow ring controller, ecIt (t) is given
The difference of target oxygen pillow flow and actually detected oxygen pillow flow.
8. the explosion-proof pillowcase pressure control method of oxygen pillow according to claim 7, which is characterized in that the difference in flow becomes
The pid control algorithm formula of rate ring controller are as follows:
Wherein, P (t) is supply current amplitude of variation, ki-pFor the proportional correction factor of difference in flow change rate ring controller, ki-i
For the integral term correction factor of difference in flow change rate ring controller, ki-dIt is corrected for the differential term of difference in flow change rate ring controller
Coefficient, epIt (t) is the difference of given target flow change rate and the actual flow change rate.
9. the explosion-proof pillowcase pressure control method of oxygen pillow according to claim 8, which is characterized in that further include expert's control
System rule:
WhenWhen,
Wherein,For the desired flow rate of of oxygen pillow, QiFor the measured discharge of oxygen pillow, pmTo change proportionality coefficient, imFor integral ratio
Example coefficient, dmFor differential proportionality coefficient, δ is time change coefficient, k 'pFor the proportional correction factor of regular flow ring controller,
k′iFor the integral term correction factor of regular flow ring controller, kd' for the differential term correction factor of regular flow ring controller；
WhenWhen,
Wherein,For target flow change rate, PiFor the genuine actual flow change rate of oxygen, δ is time change coefficient, k 'i-pFor
The proportional correction factor of regular difference in flow change rate ring controller, k 'i-iFor the integral of regular difference in flow change rate ring controller
Item correction factor, k 'i-dFor the differential term correction factor of regular difference in flow change rate ring controller, epIt (t) is given target stream
The difference of quantitative change rate and the actual flow change rate.
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| CN201910608127.4A CN110477693B (en) | 2019-07-08 | 2019-07-08 | Explosion-proof pressurized pillowcase for oxygen pillow and control method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910608127.4A CN110477693B (en) | 2019-07-08 | 2019-07-08 | Explosion-proof pressurized pillowcase for oxygen pillow and control method |
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| CN110477693B CN110477693B (en) | 2020-10-30 |
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| CN205095197U (en) * | 2015-11-17 | 2016-03-23 | 南通市第六人民医院 | Oxygen bag |
| CN205549166U (en) * | 2016-02-29 | 2016-09-07 | 李良梅 | Breathe internal medicine intelligence oxygen bag extrusion device |
| CN206138530U (en) * | 2016-07-12 | 2017-05-03 | 深圳市龙岗中心医院 | Self -service oxygen bag |
| CN106892121A (en) * | 2015-12-21 | 2017-06-27 | 中国航空工业集团公司西安飞机设计研究所 | A kind of aircraft environmental control system control method |
| CN206534967U (en) * | 2016-11-30 | 2017-10-03 | 张恬 | Anti- persistent pressure oxygen unit of cooling down |
| CN107983423A (en) * | 2017-10-19 | 2018-05-04 | 广州市第人民医院 | A kind of high throughput and quick device and its application for preparing microlayer model |
-
2019
- 2019-07-08 CN CN201910608127.4A patent/CN110477693B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205095197U (en) * | 2015-11-17 | 2016-03-23 | 南通市第六人民医院 | Oxygen bag |
| CN106892121A (en) * | 2015-12-21 | 2017-06-27 | 中国航空工业集团公司西安飞机设计研究所 | A kind of aircraft environmental control system control method |
| CN205549166U (en) * | 2016-02-29 | 2016-09-07 | 李良梅 | Breathe internal medicine intelligence oxygen bag extrusion device |
| CN206138530U (en) * | 2016-07-12 | 2017-05-03 | 深圳市龙岗中心医院 | Self -service oxygen bag |
| CN206534967U (en) * | 2016-11-30 | 2017-10-03 | 张恬 | Anti- persistent pressure oxygen unit of cooling down |
| CN107983423A (en) * | 2017-10-19 | 2018-05-04 | 广州市第人民医院 | A kind of high throughput and quick device and its application for preparing microlayer model |
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| CN110477693B (en) | 2020-10-30 |
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