CN206298346U - A kind of medical first aid equipment direct-furnish oxygen all-in-one - Google Patents
A kind of medical first aid equipment direct-furnish oxygen all-in-one Download PDFInfo
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- CN206298346U CN206298346U CN201621233007.9U CN201621233007U CN206298346U CN 206298346 U CN206298346 U CN 206298346U CN 201621233007 U CN201621233007 U CN 201621233007U CN 206298346 U CN206298346 U CN 206298346U
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Abstract
The utility model provides a kind of medical first aid equipment direct-furnish oxygen all-in-one, assembling case including integrated oxygen supply unit processed and for assembling integrated oxygen supply unit processed, the integrated oxygen supply unit processed includes the air compressor machine component of gas circuit connection, radiating subassembly, air cushioning tank, absorbent module, oxygen surge tank, oxygen pressing component and oxygen storage tank successively, and the oxygen in oxygen storage tank is directly used after a ultimate filter, flowmeter and flow control valve for the medical first aid equipment.The utility model air does raw material, realizes the uninterrupted oxygen oxygen supply processed in scene, directly drives medical first aid equipment；Compact conformation, integrated oxygen supply unit processed is packaged in casing using push-pull fashion, is easy to maintenance to carry；By setting dynamic sealing and static seal structure, prevent oxygen from compressing the leakage of pressurization, the security and functional reliability of enhancing oxygen compression；By increasing absorption type oxygen cache mechanism in whole technical process, it is ensured that stable working and safety-type.
Description
Technical field
The utility model belongs to oxygen processed, oxygen supply technical field of medical equipment, and in particular to a kind of compact conformation, maintenance side
Just, reliable operation can realize scene oxygen processed, oxygen supply free of discontinuities and directly drive the direct-furnish of the medical first aid equipments such as lung ventilator
Oxygen all-in-one.
Background technology
Conventional ventilators, the Anesthesia machine for being used in operation at present are all to use oxygen cylinder to supply oxygen, particularly field
Medical treatment situation, oxygen amount used for respirators is larger, and oxygen cylinder storage oxygen amount is limited, it is necessary to often change gas cylinder supplemental oxygen, this is just needed
Wanting oxygen source guarantee can not interrupt, to transport power requirement it is higher, under wild environment, once oxygen supply it cannot be guaranteed that, cannot just carry out
Operation；Oxygen cylinder storage oxygen pressure is (generally completely bottle oxygen pressure is 12MPa or so) higher, belongs to pressure vessel, and storage has safety
Risk.
A kind of Authorization Notice No. oxygen processed for integrating oxygen processed, oxygen supply and storage oxygen for the utility model of CN2687099Y is disclosed
Complete set of equipments, it includes molecular sieve oxygen generation main frame, and the oxygen main frame processed is connected by output channel with buffering filter, and this is buffered
The outlet of filter is then connected by oxygen supercharger with the oxygen container of oxygen supply, although the equipment can realize continuous uninterrupted system
Oxygen, storage oxygen, but have the following disadvantages：(1) two oxygen main frame processed oxygen-producing amounts of the equipment are altogether 11.5m3/ d (about 8L/min), produces oxygen
Amount can not directly meet Use of respirator (commonly required amount of oxygen be 10L/min), need work ahead, store a certain amount of oxygen in
In oxygen container；(2) because oxygen main frame processed oxygen-producing amount is relatively low, it is impossible to which plug and play meets Use of respirator in real time, therefore, its storage oxygen
Tank volume must design large volume, certain oxygen is laid in advance and meets oxygen requirement used for respirators, and larger Oxygen storage container exists
Fixed medical and health organization movement after storage oxygen, carries inconvenient using being suitable, there is also certain danger,
Therefore, the place that the utility model of CN2687099Y is not appropriate for carrying at any time in field uses；(3) it is not right in CN2687099Y
Realize that operation principle, course of work of oxygen supercharger of oxygen supercharging etc. are described in detail, solved without clearly proposition
The concrete measure and method of key issue (such as oxygen leakage loss etc.) in low pressure low discharge oxygen source pressurization.
Utility model content
The purpose of this utility model is to solve the above problems, there is provided a kind of compact conformation, easy to maintenance, reliable operation
Can realize scene oxygen processed, oxygen supply free of discontinuities and directly drive the direct-furnish oxygen all-in-one of the medical first aid equipments such as lung ventilator.
Above-mentioned purpose of the present utility model is realized by following technical scheme：
A kind of medical first aid equipment direct-furnish oxygen all-in-one, including integrated oxygen supply unit (04) processed and for assembling integrated system
The assembling case (00) of oxygen supply unit (04), the air compressor machine component that the integrated oxygen supply unit (04) processed connects including gas circuit successively
(001), radiating subassembly (002), air cushioning tank (6), absorbent module (003), oxygen surge tank (12), oxygen pressing component
(004) and oxygen storage tank (18), the exhaust outlet of oxygen storage tank (18) is adjusted through a ultimate filter (21), flowmeter (26) and flow
Section valve (25) connects the medical first aid equipment.
Above-mentioned medical first aid equipment with direct-furnish oxygen all-in-one, the ultimate filter (21) and flow control valve (25) it
Between pipeline on be additionally provided with oxygen determination magnetic valve (22), oxygen concentration sensor (23) and pressure sensor (24).
Above-mentioned medical first aid equipment is described to assemble the casing of case (00) including one end open with direct-furnish oxygen all-in-one
(01), panel (02) and assembling frame (03), panel (02) are fixed on the outer end of assembling frame (03), integrated oxygen supply unit (04) peace processed
Internal loaded on assembling frame (03), casing (01) bottom sets the slide rail (011) matched with the guide pillar (031) of assembling frame (03),
Assembling frame (03) is slipped into casing from the opening of casing (01) along slide rail (011), and panel (02) is close by the opening of casing (01)
Envelope.
, with direct-furnish oxygen all-in-one, the oxygen pressing component (004) is including pressure-regulating valve for above-mentioned medical first aid equipment
(15), oxygen pressing pump (16) and for oxygen pressing pump cooling fan (17) to oxygen pressing pump (16) cooling down, oxygen
Oxygen in gas surge tank (12) enters in oxygen pressing pump (16) through pressure-regulating valve (15), the outlet of oxygen pressing pump (16)
The air inlet of connection oxygen storage tank (18).
Above-mentioned medical first aid equipment with direct-furnish oxygen all-in-one, for swing piston type compresses tie by the oxygen pressing pump (16)
Structure, including cylinder (100), in cylinder reciprocating piston (104) and the motor (161) of power is provided for piston, electricity
The motor shaft (164) of machine (161) is connected by connecting rod with piston (104)；Piston ring (105) is arranged with piston (104), one is bent
Axle box (162) is arranged at cylinder (100) lower section, and an end cap (101) is arranged on the top side of motor shaft (164) and and crankcase
Casing is fitted close, and motor shaft (164), piston (104) and piston ring (105) are placed in closed space；Crankcase (162)
The seal (163) that filled polytetrafluoroethylene packing ring is formed with fluorubber "O"-ring in seal groove, motor shaft (164) and sealing
Part (163) is in contact to form dynamic sealing；Fluorubber "O"-ring and polytetrafluoroethyl-ne are filled between cylinder (100) and crankcase (162)
The first sealing ring (102) that alkene packing ring is formed, fills fluorubber "O"-ring and poly- four between crankcase (162) and end cap (101)
The second sealing ring (103) that PVF packing ring is formed, forms static seal.
With in direct-furnish oxygen all-in-one, the air compressor machine component (001) includes air intake filter (1) to above-mentioned medical first aid equipment
With air compressor machine (2), compressed in air compressor machine (2) through the air after air intake filter (1) purified treatment.
With in direct-furnish oxygen all-in-one, air cushioning tank (6) is provided with the first safety valve (7) and to above-mentioned medical first aid equipment
One pressure gauge (8).
Above-mentioned medical first aid equipment with direct-furnish oxygen all-in-one, the absorbent module (003) including gas distributing valve (10),
Adsorbent bed (11) and denitrogen silencer (9), the inlet end of gas distributing valve (10) are connected with the air cushioning tank (6), and it goes out
Gas end is connected with adsorbent bed (11) and denitrogen silencer (9).
With in direct-furnish oxygen all-in-one, the adsorbent bed (11) is cylinder-like structure to above-mentioned medical first aid equipment, built with boiling
Stone adsorbent of molecular sieve；The adsorbent bed (11) is provided with multiple, and the oxygen generating port end of adsorbent bed is connected to oxygen by pipeline respectively
The air inlet of surge tank (12).
With in direct-furnish oxygen all-in-one, the oxygen storage tank (18) is provided with the 3rd pressure gauge (19) to above-mentioned medical first aid equipment
With the 3rd safety valve (20), the molecular sieve of adsorption of oxygen is filled with inside it.
It is of the present utility model to have the technical effect that using above-mentioned technical proposal：The utility model does raw material using air, can be real
The uninterrupted oxygen oxygen supply processed in scene, can replace the medical first aid equipments such as bottled oxygen direct drive lung ventilator, and the scene of carrying out is free of discontinuities
Oxygen supply ensures that plug and play, oxygen-producing amount can meet use requirement so that medical treatment mechanism possesses certain urgent ensured with oxygen
Ability；Compact conformation, integrated oxygen supply unit processed is packaged in casing using push-pull fashion, is easy to maintenance, using miniaturization oxygen processed
Technology and modularized design so that oxygen supercharging device is minimized, are easy to carry, it is adaptable to which field place uses；By setting
Dynamic sealing and static seal structure, solve oxygen compress pressurization leakage problem, enhance oxygen compression security and
Functional reliability；By increasing absorption type oxygen cache mechanism in whole technical process, it is ensured that stable working and safety
Type.
Brief description of the drawings
Fig. 1 is overall structure diagram of the present utility model；
Fig. 2 is the structural representation for assembling case；
Fig. 3 is that integrated oxygen supply unit processed is assembled into the structural representation after assembling frame；
Fig. 4 is the process chart of direct-furnish oxygen all-in-one of the present utility model；
Fig. 5 is the structural representation of oxygen pressing pump；
Fig. 6 is the dynamic sealing schematic diagram of oxygen pressing pump.
Reference is expressed as in figure：
1：Air intake filter；2：Air compressor machine；3：Radiator；4：Radiator cooling fan；5：Triple valve；6：Air cushioning
Tank；7：First safety valve；8：First pressure table；9：Denitrogen silencer；10：Gas distributing valve；11：Adsorbent bed；12：Oxygen is buffered
Tank；13：Second pressure table；14：Second safety valve；15：Pressure-regulating valve；16：Oxygen pressing pump；17：Oxygen pressing pump is cooled down
Fan；18：Oxygen storage tank；19：3rd pressure gauge；20：3rd safety valve；21：Ultimate filter；22：Oxygen determination magnetic valve；23：
Oxygen concentration sensor；24：Pressure sensor；25：Flow control valve；26：Flowmeter；
161：Motor, 162：Crankcase, 163：Seal, 164：Motor shaft；
001：Air compressor machine component；002：Radiating subassembly；003：Absorbent module；004：Oxygen pressing component；
00：Assembling case；
01：Casing, 011：Slide rail, 012：Fixed via；
02：Panel, 021：LCDs, 022：Louvered air outlet, 023：Oxygen outlet, 024：Handle, 025：Power supply
Switch, 026：Power interface, 027：Mounting hole；
03：Assembling frame, 031：Guide pillar, 032：Fixing screwed hole；
04：Integrated oxygen supply unit processed；
100：Cylinder, 101：End cap, 102：First sealing ring, 103：Second sealing ring, 104：Piston, 105：Piston ring.
Specific embodiment
Direct-furnish oxygen all-in-one oxygen-producing amount of the present utility model is 10L/min, and lung ventilator, fiber crops can be met under normal running conditions
The use of the medical first aid equipments such as liquor-saturated machine, it is not necessary to store a certain amount of oxygen in advance；Direct-furnish oxygen all-in-one of the present utility model
Using case instrument integrated structure design, integrate oxygen processed, supercharging, oxygen supply function, small volume, lightweight, casing uses rotational moulding
Forming technique, is particularly suitable for field and uses.
Below in conjunction with the drawings and specific embodiments, medical first aid equipment direct-furnish oxygen all-in-one of the present utility model is carried out in detail
Describe in detail bright.
Assembling case
Fig. 1, Fig. 2 and Fig. 3 are the topology example of medical first aid equipment direct-furnish oxygen all-in-one of the present utility model.Such as Fig. 1 institutes
Show, the direct-furnish oxygen all-in-one is case instrument integral structure, including integrated oxygen supply unit 04 processed and for assembling integrated aerator processed
The assembling case 00 of group 04, as shown in Fig. 2 assembling case 00 includes casing 01, panel 02 and assembling frame 03, wherein：
Casing 01 is the square box of one end open, and its bottom inner surface is arranged with two slide rails 011, left and right sides
It is respectively provided with a fixed via 012.
Assembling frame 03 is square rack, and integrated oxygen supply unit 04 processed is installed on inside support body, and the support body bottom is provided with two
Guide pillar 031, two guide pillars 031 match with two slide rails 011 of casing 01, and guide pillar 031 is embedded in slide rail 011, can be by group
03 propulsion release is shelved, is easy to maintenance；The assembling support body of frame 03 or so respectively offers fixing screwed hole 032, when assembling frame 03 is advanced
After casing 01, the fixing screwed hole 032 for assembling frame 03 is overlapped with the fixed via 012 of casing 01, and a screw rod is screwed in, can be by case
Body 01 is fixed with assembling frame 03.
Panel 02 is the plate body matched with the opening shape of casing 01, and the plate body is fixed on the outer end of assembling frame 03, works as group
After shelving 03 push-in casing 01, panel 02 can seal the opening of casing 01；The outer surface of panel 02 is provided with LCDs
021st, louvered air outlet 022, oxygen outlet 023, handle 024, power switch 025, power interface 026 and flow control valve 25
Mounting hole 027, wherein, LCDs 021 is sensed by PLC and pressure sensor 24, flowmeter 26, oxygen concentration
The grade of device 23 is connected, for showing oxygen pressure, producing oxygen flow, oxygen concentration etc.；Louvered air outlet 022 is provided with multiple, for whole
The radiating of individual integrated oxygen supply unit 04 processed, it is ensured that functional reliability；Oxygen outlet 023 connects with flow control valve 25, flowmeter 26
Connect, the outlet may be coupled directly to the medical first aid equipments such as lung ventilator；Handle 024 is provided with two, is arranged in the both sides of panel 02,
It is convenient to pull assembling frame 03；Power interface 026 is used for external 220V AC powers, and by PLC and air compressor machine 2, dissipate
Hot component 3, oxygen pressing pump 16, pressure sensor 24, gas distributing valve 10, oxygen determination magnetic valve 22 and other magnetic valves (referring to
The part connection such as Fig. 4), power switch 025 is series between power interface and PLC, the break-make for controlling power supply.
Integrated oxygen supply unit processed
Integrated oxygen supply unit 04 processed is installed on inside assembling frame 03, and is encapsulated into casing 01 and is assembled into an entirety,
In embodiment shown in Fig. 3 and Fig. 4, integrated oxygen supply unit 04 processed includes air compressor machine component 001, the radiating group of gas circuit connection successively
Part 002, air cushioning tank 6, absorbent module 003, oxygen surge tank 12, oxygen pressing component 004 and oxygen storage tank 18, wherein：
Air compressor machine component 001 include air intake filter 1 and air compressor machine 2, air intake filter 1 be filled with compound glass fiber or
The sponge material porous filter material such as PP material fibers or PU, PE, for the purified treatment to air, during air inlet, surrounding air
Enter air compressor machine 2 after being filtered through filtering material, the filtering material of different filtering accuracies filters the dust of different-grain diameter size, passes through
Staged filtering, reduces filtration resistance, improves filtering accuracy, dust in final realization removing air with diameter greater than 0.1 μm etc.
The purpose of solid impurity, and use the structure types such as pore channels, expansion chamber to carry out noise reduction to reduce induction noise；Air compressor machine
2 be used to purify after air compressions, the air into absorbent module 003 is met certain pressure, so as in realizing adsorbent bed 11
The pressurized adsorbent of molecular sieve.
Radiating subassembly 002 is used to reduce the temperature of compressed air and remove the portion of water in air, including radiator
3rd, radiator cooling fan 4 and corresponding annex, radiator 3 is the pipe fitting that the shape such as U-shaped, snakelike is bent into by copper tube,
And aluminum radiating thin slice is installed pipe is outer, to increase specific heat load, at the same installed by radiating thin slice radiator cooling fan 4 with
Strengthen heat convection, or radiator cooling fan 4 is directly installed on the side of air cushioning tank 6, to make compressed air cold
But；Triple valve 5 connects radiator 3 and air cushioning tank 6, and another passage connection drainpipe of triple valve 5 is cold for discharging air
But the water for producing.
Air cushioning tank 6 is used to ensure that air draught pressure is stablized relatively that it to be generally aluminium or other metal materials, is made
There is air inlet drum forms, one end of cylinder, and the other end has exhaust outlet, and air cushioning tank is provided with the first safety valve 7 and first
Pressure gauge 8, can at any time observe the internal gas pressure of air cushioning tank 6, during more than setting pressure, by the pressure release of the first safety valve 7.
The size of air cushioning tank 6 is to determine that volume range is by factors such as the air consumption per minute of absorbent module 003, absorption frequencies
0.1L~5L.
Absorbent module 003 includes gas distributing valve 10, adsorbent bed 11, denitrogen silencer 9 and corresponding pipeline, wherein,
Gas distributing valve 10 can be two position four-way solenoid valves in the present embodiment, and inlet end is connected with air cushioning tank 6, outlet side difference
It is connected with A adsorbent beds, B adsorbent beds and denitrogen silencer 9, the air in air cushioning tank 6 is divided by gas distributing valve 10
With adsorbent bed 11 is entered, the nitrogen that adsorbent bed 11 is desorbed is discharged through gas distributing valve 10 by denitrogen silencer 9, gas distribution
Valve 10 is used to be allocated turnover absorption bed gas, gas distributing valve 10 can also by the mechanical valve of existing other forms or
Other mechanisms realize, however it is not limited to two position four-way solenoid valves；In the embodiment, adsorbent bed 11 is provided with two, respectively A adsorbent beds
With B adsorbent beds, adsorbent bed 11 be generally cylinder-like structure, be inside filled with zeolite adsorbent, such as 5A, 13X, lithium type etc.
The oxygen generating port end of zeolite molecular sieve, A adsorbent beds and B adsorbent beds is connected to the air inlet of oxygen surge tank 12 by pipeline respectively.
It is 93% ± 3% that adsorbent bed 11 uses many adsorbent bed molecular sieve pressure-variable adsorption (PSA) oxygenerating technologies to prepare oxygen concentration
Oxygen.PSA oxygen is that, with molecular sieve as adsorbent, the air in nature is raw material, using molecular sieve in different pressures bar
To the change of nitrogen adsorption amount under part, separate and oxygen is obtained.Under normal temperature pressurized conditions, adsorption capacity of the zeolite molecular sieve to nitrogen
Greatly, the adsorption capacity to oxygen is small, so that the nitrogen in air is by molecular sieve adsorption, oxygen passes through molecular sieve, in lower pressure
Under, molecular sieve is reduced to the adsorption capacity of nitrogen so that the nitrogen of absorption is desorbed, and by pressurized adsorbent depressurization desorption, is reached
To the purpose of continuous oxygen producing.
Two adsorbent bed molecular sieve (A, B) omnibus control system process cycles time sequential routines are as shown in table 1.With A adsorbent bed works
As a example by skill process, its technical process is as follows：Pressurising/adsorption process, i.e. unstripped gas carry out pressurising, molecule into A adsorbent beds first
Sieve absorption nitrogen output oxygen；Followed by pressure equalizing, i.e. A adsorbent beds are pressed B adsorbent beds, A adsorbent beds are made to be depressured row
The gas for going out is utilized effectively；Followed by process, i.e. A adsorbent beds depressurization desorption are vented, the nitrogen discharge of absorption, molecular sieve is obtained
To regeneration, so as to realize recycling for molecular sieve；Followed by flushing process, i.e., a part of product for using B adsorbent beds separate
Gas is rinsed to the A adsorbent beds being vented, the residual nitrogen in removal adsorbent, improves the power of regeneration of molecular sieve, and it is right to strengthen
The absorption property of nitrogen；It is finally pressure equalizing, i.e., B adsorbent beds are pressed with A adsorbent beds, B adsorbent beds is depressured discharge
Gas is utilized effectively.
1 liang of adsorbent bed PSA cycle time sequential routine of table
In addition, the number of adsorbent bed is not limited to two, should flexibly set according to the actual requirements, three or three can be set to
More than, the specific embodiment in adsorbent bed optimizes improvement with reference to above-mentioned two adsorbent bed.
Oxygen surge tank 12 is generally aluminium or other metal materials, is made drum forms, and there is air inlet one end of cylinder, separately
There is exhaust outlet one end, and oxygen surge tank 12 is provided with the safety valve 14 of second pressure table 13 and second, can at any time observe internal oxygen
Pressure, when internal oxygen exceedes setting pressure, by the pressure release of the second safety valve 14.
The effect of oxygen surge tank 12 is that adsorbent bed is periodically produced the continuous supply that oxygen process is converted into oxygen, it is ensured that
Supply oxygen pressure stabilization, the stability of flow of oxygen pressing pump.It is continuable cyclic process, absorption that pressure-variable adsorption produces oxygen process
The oxygen flow of the output of bed 11 is unstable, and cyclically-varying is presented, and the normal work of oxygen pressing pump 16 needs a stabilization
Air inlet, by increasing oxygen surge tank 12 between so that the oxygen pressure of supply oxygen pressing pump 16, flow are steady
It is fixed, it is ensured that its normal operation.The size of oxygen surge tank 12 is working frequency, the compressed oxygen per minute by oxygen pressing pump 16
The factors such as tolerance determine, minimum volume need to be more than oxygen pressing pump 16 per second compression amount of oxygen, volume range be 0.1L~
5L。
Oxygen pressing component 004 includes pressure-regulating valve 15, oxygen pressing pump 16 and oxygen pressing pump cooling fan 17, oxygen
Oxygen in gas surge tank 12 enters in oxygen pressing pump 16 through pressure-regulating valve 15, and pressure-regulating valve 15 delays for adjusting oxygen
The oxygen pressure of the discharge of tank 12 is rushed, it is met admission pressure requirement when oxygen pressing pump 16 works.Oxygen pressing pump is cooled down
Fan 17 is used to carry out cooling down to oxygen pressing pump 16.
In the course of the work, the oxygen compression speed of oxygen pressing pump 16 must be suitable with the oxygen-producing amount of absorbent module 003
Or it is smaller, compression speed can make the oxygen exhaust of absorbent module 003 produce negative pressure more than oxygen speed is produced, and accelerate from absorbent module 003
" suction " oxygen, causes the pressure of adsorbent bed 11 of absorbent module 003 to decline, and also fully absorption is not just gone out the air of entrance by " suction ",
So as to produce oxygen concentration reduction, if the too small meeting of compression speed causes that final oxygen-supplying amount is not enough, it is impossible to meet Use of respirator, also cause
The oxygen exhaust of absorbent module 003 produces larger malleation, and oxygen-producing amount accordingly declines, oxygen generation efficiency reduction.
As shown in figure 5, oxygen pressing pump 16 is swing piston type pressure texture, including cylinder 100, back and forth transport in cylinder
Dynamic piston 104 and the motor 161 of power is provided for piston, the motor shaft 164 of motor 161 is by connecting rod etc. and piston 104
It is connected, for driving piston in cylinder motion, realizes gas compression；Cylinder 100 is provided with intake valve and air bleeding valve, with piston
Move back and forth and be turned on and off, realize the entrance and supercharging discharge of oxygen.Because the compressed media in cylinder 100 is oxygen,
The sealing of oxygen pressurization, security are particularly important.Piston ring 105 is arranged with the groove of piston 104, with piston
Move up and down, improve the sealing between piston and cylinder, oxygen passes through piston 104 during preventing the compressed oxygen of piston 104
With the gap leakage of cylinder wall, crankcase 162 is arranged at the lower section of cylinder 100, and end cap 101 is arranged on the top one of motor shaft 164
Side, is fitted close with crankcase body, motor shaft 164, piston 104 and piston ring 105 is placed in confined space.Due to this reality
It is low tolerance pressurization to be pressurized with new oxygen, only can not meet requirement by piston ring packing, and piston ring is with piston
The leakage occurred when lower mobile is initially entered in the confined space that crankcase 162, cylinder 100 and end cap 101 are formed, and is anti-stopping leak
The oxygen of dew is directly entered in the air around oxygen pressing pump 16, so needing to seal crankcase 162.Such as Fig. 6 institutes
Show, the seal 163 that filled polytetrafluoroethylene packing ring is formed with rubber "O"-ring in the seal groove of crankcase 162, motor shaft
164 are in contact with seal 163, and dynamic sealing is formed with the seal 163 when motor shaft 164 rotates；Cylinder 100 and crankcase
The first sealing ring 102, crankcase 162 and end cap that fluorubber "O"-ring and polytetrafluoroethylene gasket are formed are filled between 162
The formation static seal of the second sealing ring 103 that fluorubber "O"-ring and polytetrafluoroethylene gasket are formed is filled between 101.Cylinder 100,
Cylinder valve uses oxidation resistant stainless steel material, piston 104, piston ring 105 etc. using the design of material for being not likely to produce spark,
Friction of motion is secondary (to be referred to two component directly contacts and can produce the connection of certain relative motion friction, specifically to this utility model
Direct-furnish oxygen all-in-one for, crankcase and bent axle, crankshaft-and-connecting-rod, the connection between connecting rod and piston are friction of motion
It is secondary) lubrication use the special oxidation-inhibited grease of oxygen compressor --- chloro-fluorocarbon fat.The oxygen pressing pump 16 is provided with exhaust peace
The security control device such as full valve and pressure controller, it is ensured that the stability and reliability of equipment long-play, when the equipment is super
Open the safety-valve off-load during pressure, and when the equipment over pressure is shut down, pressure controller ensures the security of oxygen compression；Using
DC brushless motor reduces weight of equipment and volume, using single-acting formula air cylinder structure so that device structure is simple, be easy to dimension
Shield, using scheme reduction equipment operation noise and the oscillation intensity of DC brushless motor plus pin type decelerator.
Oxygen storage tank 18 is used for the temporary transient storage of oxygen after pressurization, because the oxygen of the output of oxygen pressing pump 16 is pulsed
, instability of flow, and oxygen used for respirators is nor continuous, oxygen supply during patient's air-breathing, oxygen deprivation during expiration, according to patient
Actual conditions by oxygen storage tank 18 is set with ensure oxygen supply pressure, oxygen-supplying amount relatively stablize, meet various use conditions
The different demands to oxygen quantity delivered of lower lung ventilator, Anesthesia machine.
Oxygen storage tank 18 is generally aluminium or other metal materials, is made drum forms, and there is air inlet one end of cylinder, another
There is exhaust outlet at end, and exhaust outlet is externally provided with ultimate filter 21, pressure sensor 24, flow control valve 25 and flowmeter 26, oxygen
The finely ground particles for being possible to be produced in adsorption process are removed by ultimate filter 21, flow control valve 25 is used to adjust defeated
Outflow and then regulation oxygen output pressure, it is ensured that the oxygen pressure stabilization of supply of breathing machine Anesthesia machine, in addition, in end-filtration
Oxygen determination magnetic valve 22, oxygen concentration sensor 23 and pressure sensor are additionally provided with pipeline between device 21 and flow control valve 25
24, produce oxygen concentration and output pressure for detecting；The 3rd pressure gauge 19 and the 3rd safety valve 20 are additionally provided with oxygen storage tank 18, can
Internal oxygen pressure is observed at any time, during more than setting pressure, by the pressure release of the 3rd safety valve 20.Filling is certain in oxygen storage tank 18
The amount of oxygen adsorbed after filling molecular sieve in the molecular sieve of the adsorption of oxygen of amount, such as carbon molecular sieve, oxygen storage tank 18 is identical
Several times to more than ten times of the amount of oxygen of same volume storage tank memory storage under pressure, thus certain volume storage tank, load molecular sieve
Storage tank storage amount of oxygen it is larger, storage pressure it is relatively low, so as to can be prevented effectively from cause oxygen to add because pressure of storage tank is too high
The reduction of press pump compression speed, situations such as absorbent module oxygen exhaust hypertonia, oxygen generation efficiency are reduced, and due to the sick and wounded
People's concrete condition is different so that tidal volume is different, need to be adjusted according to individual difference, the oxygen-supplying amount of common oxygen storage tank
Unstable, after loading molecular sieve, due to having adsorbed enough oxygen, storage tank is to lung ventilator or Anesthesia machine supply oxygen
When, pressure reduction, the molecular sieve in storage tank starts to discharge oxygen, so as to ensure that output oxygen tolerance, the stability of pressure.Cause
This, molecular sieve is loaded by oxygen storage tank, increased oxygen storage amount, improves the stability of oxygen output.Oxygen storage tank
Size be by the respiratory rate of lung ventilator, tidal volume, oxygen supply concentration and carbon molecular sieve Oxygen storage capacity and the sick and wounded
What the factors such as person situation, the state of an illness were determined, meet the treatment oxygen consuming amount requirement of all kinds of wounded, minimum oxygen storage capacity need to be more than breathing
Maximum amount of oxygen of the machine needed for per task, volume range is 0.1L~5L.
Medical first aid equipment of the present utility model direct-furnish oxygen all-in-one is assembled into according to above-mentioned relation with upper-part,
The equipment does raw material using air, is capable of achieving the uninterrupted oxygen oxygen supply processed in scene, can replace the doctors such as bottled oxygen direct drive lung ventilator
First-aid apparatus is treated, live oxygen supply guarantee free of discontinuities is carried out so that medical treatment mechanism possesses and certain urgent uses oxygen supportability；
The compact equipment, integrated oxygen supply unit 04 processed is packaged in casing 01 using push-pull fashion, is easy to maintenance, using small-sized
Change oxygenerating technology and modularized design so that oxygen supercharging device is minimized, be easy to carry；By setting dynamic sealing and static seal
Structure, solves the leakage that oxygen compresses pressurization, enhances the security and functional reliability of oxygen compression；By whole
Increase absorption type oxygen cache mechanism in individual technical process, it is ensured that stable working and safety-type.
The whole technological process of medical first aid equipment direct-furnish oxygen all-in-one of the present utility model is as follows：
As shown in figure 1, raw air first passes around air compressor machine component 001 being compressed, the air after compression is through radiating group
Part 002 is cooled down, and is cooled down the water for producing and is discharged through triple valve 5, and the air after cooling enters absorbent module 003 through air cushioning tank 6
Gas separation is carried out, isolated oxygen enters oxygen surge tank 12, then by oxygen pressing component 004, is pressurized,
Oxygen after supercharging enters oxygen storage tank 18, for the doctor such as lung ventilator after ultimate filter 21, flow control valve 25, flowmeter 26
Treat first-aid apparatus directly to use, the nitrogen that absorbent module 003 is desorbed is discharged through denitrogen silencer 9.
Experimental verification
In experiment the utility model medical first aid equipment direct-furnish oxygen all-in-one model machine used, the air inflow of air compressor machine 2 is
105L/min；The adsorbent bed 11 of absorbent module 003 is provided with two, respectively A adsorbent beds and B adsorbent beds, and oxygen-producing amount is 10L/
min；The size of oxygen surge tank 12 is determined by factors such as working frequency, the compressed oxygen tolerance per minute of oxygen pressing pump 16
, minimum volume need to be more than amount of oxygen of the oxygen pressing pump 16 per second compression, and the volume of oxygen surge tank 12 is 2.0L in the model machine；
Oxygen pressing pump 16 uses swing piston type pressure texture, cylinder bore 50mm, stroke 12mm, and compression speed is per minute 500
Secondary, compression tolerance is 11.775L/min, and the oxygen pressurization of the oxygen pressing pump 16 is Low Pressure Oxygen source of the gas, the supercharging of low tolerance
Process, admission pressure is less than 0.04MPa, and supercharging tolerance is about 10L/min, the product of its oxygen compression speed and absorbent module 003
Oxygen amount is suitable.
After the medical first aid equipment direct-furnish oxygen all-in-one model machine starts, what flowmeter 26 was measured goes out oxygen amount for 10L/min, oxygen
The oxygen concentration that concentration sensor 23 is measured is 94.29%, and what pressure sensor 24 was measured goes out oxygen pressure for 0.35MPa, and satisfaction is exhaled
The use of suction machine, Anesthesia machine.In whole experiment process, after the amount of oxygen of the output of absorbent module 003 is pressurized with oxygen pressing pump 16
The amount of oxygen of acquisition is of substantially equal, does not almost leak, and illustrates that the sealing structure that oxygen pressing pump 15 is set produces a desired effect.
It will be appreciated by those skilled in the art that these embodiments or implementation method are merely to illustrate the utility model without limit
Scope of the present utility model is made, the various equivalent variations made to the utility model and modification are belonged in the utility model discloses
Hold.
Claims (10)
1. a kind of medical first aid equipment direct-furnish oxygen all-in-one, including integrated oxygen supply unit (04) processed and supplied for assembling integrated system
The assembling case (00) of oxygen unit (04), it is characterised in that the sky that the integrated oxygen supply unit (04) processed connects including gas circuit successively
Press component (001), radiating subassembly (002), air cushioning tank (6), absorbent module (003), oxygen surge tank (12), oxygen add
Pressure component (004) and oxygen storage tank (18), the exhaust outlet of oxygen storage tank (18) through a ultimate filter (21), flowmeter (26) and
Flow control valve (25) connects the medical first aid equipment.
2. medical first aid equipment according to claim 1 direct-furnish oxygen all-in-one, it is characterised in that the ultimate filter
(21) oxygen determination magnetic valve (22), oxygen concentration sensor (23) and pressure are additionally provided with the pipeline and between flow control valve (25)
Sensor (24).
3. medical first aid equipment according to claim 1 direct-furnish oxygen all-in-one, it is characterised in that the assembling case (00)
Casing (01), panel (02) and assembling frame (03) including one end open, panel (02) are fixed on the outer end of assembling frame (03), collection
Assembling frame (03) inside is installed on into oxygen supply unit (04) processed, casing (01) bottom sets the guide pillar (031) with assembling frame (03)
The slide rail (011) for matching, assembling frame (03) is slipped into casing from the opening of casing (01) along slide rail (011), panel (02)
The opening of casing (01) is sealed.
4. the direct-furnish oxygen all-in-one of the medical first aid equipment according to any one of claims 1 to 3, it is characterised in that described
Oxygen pressing component (004) is including pressure-regulating valve (15), oxygen pressing pump (16) and for lowering the temperature to oxygen pressing pump (16)
Oxygen pressing pump cooling fan (17) of cooling, the oxygen in oxygen surge tank (12) adds through pressure-regulating valve (15) into oxygen
In press pump (16), the air inlet of outlet connection oxygen storage tank (18) of oxygen pressing pump (16).
5. medical first aid equipment according to claim 4 direct-furnish oxygen all-in-one, it is characterised in that the oxygen pressing pump
(16) it is swing piston type pressure texture, including cylinder (100), the reciprocating piston (104) and be piston in cylinder
The motor (161) of power is provided, the motor shaft (164) of motor (161) is connected by connecting rod with piston (104)；On piston (104)
Piston ring (105) is arranged with, a crankcase (162) is arranged at cylinder (100) lower section, and an end cap (101) is arranged on motor shaft
(164) top side is simultaneously fitted close with crankcase body, and motor shaft (164), piston (104) and piston ring (105) are placed in
In closed space；The sealing that filled polytetrafluoroethylene packing ring is formed with fluorubber "O"-ring in the seal groove of crankcase (162)
Part (163), motor shaft (164) is in contact to form dynamic sealing with seal (163)；Filled out between cylinder (100) and crankcase (162)
Fill the first sealing ring (102) that fluorubber "O"-ring and polytetrafluoroethylene gasket are formed, crankcase (162) and end cap (101) it
Between fill the second sealing ring (103) that fluorubber "O"-ring and polytetrafluoroethylene gasket are formed, form static seal.
6. medical first aid equipment according to claim 5 direct-furnish oxygen all-in-one, it is characterised in that the air compressor machine component
(001) including air intake filter (1) and air compressor machine (2), through the air after air intake filter (1) purified treatment in air compressor machine (2)
It is middle to be compressed.
7. medical first aid equipment according to claim 6 direct-furnish oxygen all-in-one, it is characterised in that air cushioning tank (6)
It is provided with the first safety valve (7) and first pressure table (8).
8. medical first aid equipment according to claim 7 direct-furnish oxygen all-in-one, it is characterised in that the absorbent module
(003) including gas distributing valve (10), adsorbent bed (11) and denitrogen silencer (9), the inlet end of gas distributing valve (10) and institute
State air cushioning tank (6) to be connected, its outlet side is connected with adsorbent bed (11) and denitrogen silencer (9).
9. medical first aid equipment according to claim 8 direct-furnish oxygen all-in-one, it is characterised in that the adsorbent bed (11)
It is cylinder-like structure, built with zeolite adsorbent；The adsorbent bed (11) is provided with multiple, the oxygen generating port end point of adsorbent bed
The air inlet of oxygen surge tank (12) is not connected to by pipeline.
10. the direct-furnish oxygen all-in-one of the medical first aid equipment according to any one of claims 1 to 3, it is characterised in that described
Oxygen storage tank (18) is provided with the 3rd pressure gauge (19) and the 3rd safety valve (20), and the molecule of adsorption of oxygen is filled with inside it
Sieve.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621233007.9U CN206298346U (en) | 2016-11-17 | 2016-11-17 | A kind of medical first aid equipment direct-furnish oxygen all-in-one |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621233007.9U CN206298346U (en) | 2016-11-17 | 2016-11-17 | A kind of medical first aid equipment direct-furnish oxygen all-in-one |
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| CN206298346U true CN206298346U (en) | 2017-07-04 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106379863A (en) * | 2016-11-17 | 2017-02-08 | 中国人民解放军军事医学科学院卫生装备研究所 | Direct oxygen supply all-in-one machine for medical first-aid equipment and direct oxygen supply method of medical first-aid equipment |
| CN108353844A (en) * | 2018-03-13 | 2018-08-03 | 康清元 | One kind is used for aquiculture to change oxygen equipment |
| CN108744194A (en) * | 2018-06-12 | 2018-11-06 | 佛山科学技术学院 | A kind of medical ventilator system |
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2016
- 2016-11-17 CN CN201621233007.9U patent/CN206298346U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106379863A (en) * | 2016-11-17 | 2017-02-08 | 中国人民解放军军事医学科学院卫生装备研究所 | Direct oxygen supply all-in-one machine for medical first-aid equipment and direct oxygen supply method of medical first-aid equipment |
| CN106379863B (en) * | 2016-11-17 | 2018-10-26 | 中国人民解放军军事医学科学院卫生装备研究所 | A kind of medical first aid equipment direct-furnish oxygen all-in-one machine and its straight method for supplying oxygen |
| CN108353844A (en) * | 2018-03-13 | 2018-08-03 | 康清元 | One kind is used for aquiculture to change oxygen equipment |
| CN108353844B (en) * | 2018-03-13 | 2020-04-03 | 殷莉 | Aquaculture is with trading oxygen equipment |
| CN108744194A (en) * | 2018-06-12 | 2018-11-06 | 佛山科学技术学院 | A kind of medical ventilator system |
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