CN104740738B - Evaporator and Anesthesia machine with it - Google Patents
Evaporator and Anesthesia machine with it Download PDFInfo
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- CN104740738B CN104740738B CN201310733744.XA CN201310733744A CN104740738B CN 104740738 B CN104740738 B CN 104740738B CN 201310733744 A CN201310733744 A CN 201310733744A CN 104740738 B CN104740738 B CN 104740738B
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Abstract
The invention discloses a kind of evaporator and with its Anesthesia machine, the evaporator includes：Ontology defines vaporization chamber in the ontology, the first air inlet and the first gas outlet is equipped in the vaporization chamber, and the ontology is equipped with the second air inlet being connected to the first air inlet of the vaporization chamber and the second gas outlet being connected to first gas outlet；Evaporator valve seat, the evaporator valve seat are mounted on the ontology；And liquid level display device, the liquid level display device are pitch tube, the liquid level display device is set on the body.Evaporator according to the ... of the embodiment of the present invention, liquid level display device uses pitch tube, pitch tube has the characteristics that thermal conductivity is low, light transmittance is high, impact resistance is strong, light-weight, uvioresistant and optical property are stablized, therefore compared with using the liquid level display device of glass tube, the liquid level display device of the evaporator is anti-fog properties by force, transparency is high, non-breakable and anti-solvent range is wide.
Description
Technical field
The present invention relates to medical equipment technical fields, more particularly, to a kind of evaporator and with its Anesthesia machine.
Background technology
Evaporator is an important component of Anesthesia machine, boil-off gas and live gas for accurately controlling anesthetic
Mixing, so that the concentration that it is set by anesthetist is accurately exported to patient.In order to which user knows in evaporator in actual use
Anesthetic liquid medicine number, devise liquid level display device, main display unit is glass tube, glass in the device of existing evaporator
The shortcomings that glass pipe is frangible, and weight is big, and light transmittance is relatively low, not uvioresistant, is easily hazed caused by Changes in weather.
In the practical application of evaporator, live gas enters in evaporator, and gas is divided into two-way.It is known as carrier gas all the way
Into vaporization chamber, another way is known as bypass gas and enters thermostat valve, in order to ensure evaporator exports concentration and the setting of anesthetic gases
Concentration it is consistent, that is, export anesthetic gases concentration on the one hand anesthesia gas concentration will not be caused to change because of the fluctuation of temperature,
Caused fluctuation of pressure when will not work because of lung ventilator and so that concentration is changed.
From the aspect of above two, current technology mainly by the appropriate location of two-way gas circuit increase impedance come
It realizes, wherein the impedance variety of bypass gas gas circuit has plenty of the cavity type for the different shapes and sizes that can form non-linear turbulent flow
Type has plenty of one vapour lock of increase in gas circuit, and vapour lock form can be the small column that axis direction opens aperture, can also be it
Its shape realizes that anesthesia gas concentration stablizes output under big flow to reduce the sectional area of air-flow；The impedance variety of carrier gas gas circuit
Have plenty of helical form cavity pipeline, have plenty of the other shapes of pipeline that can increase impedance, by increasing impedance, prevents from evaporating
Device exit when lung ventilator works fluctuation of pressure due to caused by anesthesia gas concentration increase.
The increased different types of impedance on the appropriate location of bypass gas circuit and carrier gas gas circuit, structure in technology at present
Relative complex, processing cost is higher, and dismounting is also inconvenient.
Invention content
The present invention is directed to solve one of above-mentioned technical problem in the prior art at least to a certain extent.For this purpose, this hair
A bright purpose is to propose a kind of anti-fog properties strong, transparency height and non-breakable evaporator.
It is another object of the present invention to propose a kind of Anesthesia machine with above-mentioned evaporator.
Evaporator according to a first aspect of the present invention, including ontology define vaporization chamber, the vaporization chamber in the ontology
It is inside equipped with the first air inlet and the first gas outlet, the ontology is equipped with second be connected to the first air inlet of the vaporization chamber
Air inlet and the second gas outlet being connected to first gas outlet；Evaporator valve seat, the evaporator valve seat are mounted on described
On ontology；And liquid level display device, the liquid level display device use pitch tube, the liquid level display device to be located at the ontology
On.
Evaporator according to the ... of the embodiment of the present invention, liquid level display device use pitch tube, since resin has heat conductivility
Low, the features such as light transmittance is high, impact resistance is strong, light-weight, uvioresistant and optical property are stablized, thus with using glass tube
Liquid level display device is compared, the liquid level display device of the evaporator it is anti-fog properties it is strong, transparency is high, non-breakable and after being crushed
Fragment is few without sharp, and chemical resistance and solvent range are wide.
In addition, evaporator according to the above embodiment of the present invention, can also have following additional technical characteristic：
According to one embodiment of present invention, be respectively equipped with above and below the liquid level display device gasket and
Lower seal pad.
According to one embodiment of present invention, the evaporator further includes：Temperature control valve module, the temperature control valve module installation
On the body, the temperature control valve module is equipped with the third air inlet that is connected to second air inlet and with described the
The third gas outlet of two gas outlets connection.
According to one embodiment of present invention, the temperature control valve module includes：Bottom plate；Valve seat of temperature control valve, the thermostat valve
Valve seat is connected with the bottom plate and defines chamber, the third air inlet and between the valve seat of temperature control valve and the bottom plate
Three gas outlets respectively with the chamber；Movable plate, the movable plate can up and downly be located in the chamber, the work
The first gap is formed between movable plate and the roof of the chamber, the third air inlet is connected to first gap, described
On movable plate relief portion is formed on the upper surface of one end of the neighbouring third gas outlet；And heat-sensitive sheet, the heat-sensitive sheet
At least part be located in the relief portion, be formed with second between the upper surface of the heat-sensitive sheet and the roof of the chamber
Gap, second gap are connected to first gap.
According to one embodiment of present invention, the movable plate is mounted on by fixing screws on the roof of the chamber,
The distance between the lower end of the fixing screws and the roof of the chamber are more than the thickness of the movable plate, the fixing screws
Lower end and the movable plate between be equipped with the first elastic component.
According to one embodiment of present invention, the fixing screws are located in the chamber far from the third gas outlet
Side, one end of the neighbouring third gas outlet is equipped with the second elastic component on the movable plate, second elastic component respectively with
The upper surface of the movable plate and the bottom plate abuts.
According to one embodiment of present invention, the temperature control valve module further includes：Adjusting screw, the adjusting screw are located at
Between the movable plate and second elastic component.
According to one embodiment of present invention, the temperature control valve module further includes：Locating part, the locating part are located at described
Between the upper surface of movable plate and the roof of the chamber and neighbouring third gas outlet.
According to one embodiment of present invention, the evaporator further includes：Spiral-tube, the spiral-tube and the evaporator
Valve seat is connected, and the spiral-tube is equipped with the 4th air inlet and the 4th gas outlet, and the of the 4th air inlet and the ontology
Two air inlets are connected to, and the 4th gas outlet is connected to the first air inlet of the vaporization chamber.
According to one embodiment of present invention, the spiral-tube includes：Outer barrel；And inner cylinder, the peripheral surface of the inner cylinder with
The inner peripheral surface of the outer barrel is bonded, and the helicla flute vertically extended, the spiral are formed on the peripheral surface of the inner cylinder
The both ends of slot are connected to the 4th air inlet and the 4th gas outlet respectively.
Anesthesia machine according to a second aspect of the present invention, including the evaporator described in above-described embodiment.
The additional aspect and advantage of the present invention will provide in following description section, will partly become from the following description
Obviously, or practice through the invention is recognized.
Description of the drawings
The above-mentioned and/or additional aspect and advantage of the present invention will become in the description from combination following accompanying drawings to embodiment
Obviously and it is readily appreciated that, wherein：
Fig. 1 is the gas flow chart of evaporator according to the ... of the embodiment of the present invention；
Fig. 2 is the structural schematic diagram of evaporator according to the ... of the embodiment of the present invention；
Fig. 3 is the sectional view of the liquid level display device of evaporator according to the ... of the embodiment of the present invention；
Fig. 4 is the vertical view of the temperature control valve module of evaporator according to the ... of the embodiment of the present invention；
Fig. 5 is the sectional view of the temperature control valve module of evaporator according to the ... of the embodiment of the present invention；
Fig. 6 is the vertical view of the spiral-tube of evaporator according to the ... of the embodiment of the present invention；With
Fig. 7 is the sectional view of the spiral-tube of evaporator according to the ... of the embodiment of the present invention.
Reference numeral：
10：Ontology；11：Vaporization chamber；12：First air inlet；13：First gas outlet；14：Second air inlet；15：Second goes out
Gas port；
20:Liquid level display device；21：Pitch tube；22：Upper gasket；23：Lower seal pad；
30：Evaporator valve seat；
40：Temperature control valve module；41：Bottom plate；42：Valve seat of temperature control valve；421：Third air inlet；422：Third gas outlet；43：
Movable plate；431：Fixing screws；432:First elastic component；433：Second elastic component；434：Adjusting screw；435：Locating part；44：
Heat-sensitive sheet；45：First gap；46：Second gap；47：Relief portion；
50：Spiral-tube；51：Outer barrel；52：Inner cylinder；53：Helicla flute；54：4th air inlet；55：4th gas outlet.
Specific implementation mode
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, it is intended to for explaining the present invention, and is not considered as limiting the invention.
In the description of the present invention, it is to be understood that, term "center", " length ", " width ", " thickness ", "upper",
The orientation of the instructions such as "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside" or position are closed
System is merely for convenience of description of the present invention and simplification of the description to be based on the orientation or positional relationship shown in the drawings, rather than indicates
Or imply that signified device or element must have a particular orientation, with specific azimuth configuration and operation, therefore cannot understand
For limitation of the present invention.In addition, term " first ", " second " are used for description purposes only, it is not understood to indicate or imply
Relative importance or the quantity for implicitly indicating indicated technical characteristic.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc.
Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；Can be that machinery connects
It connects, can also be electrical connection；It can be directly connected, can also can be indirectly connected through an intermediary in two elements
The interaction relationship of the connection in portion or two elements.It for the ordinary skill in the art, can be according to specific feelings
Condition understands the concrete meaning of above-mentioned term in the present invention.
The evaporator of embodiment according to a first aspect of the present invention is specifically described in conjunction with attached drawing first below.
As shown in figs. 1-7, evaporator according to the ... of the embodiment of the present invention includes that ontology 10, evaporator valve seat 30 and liquid level are shown
Device 20.Vaporization chamber 11 is defined in ontology 10, and the first air inlet 12 and the first gas outlet 13, ontology 10 are equipped in vaporization chamber 11
It is equipped with the second air inlet 14 being connected to the first air inlet 12 of vaporization chamber 11 and second be connected to the first gas outlet 13 goes out
Gas port 15.Evaporator valve seat 30 is mounted on ontology 10, and liquid level display device 20 uses pitch tube 21, liquid level display device 20 to set
On ontology 10.
Evaporator according to the ... of the embodiment of the present invention, liquid level display device 20 uses pitch tube 21, since pitch tube 21 has
The features such as heat conductivility is low, light transmittance is high, impact resistance is strong, light-weight, uvioresistant and optical property are stablized, thus with use
The liquid level display device 20 of glass tube is compared, the liquid level display device of the evaporator 20 it is anti-fog properties it is strong, transparency is not high, fragile
Fragment is few without sharp after broken and broken, and chemical resistance and solvent range are wide.
Further, according to one embodiment of present invention, it is respectively equipped with above and below liquid level display device 20
Gasket 22 and lower seal pad 23.I.e. pitch tube 21 is set between upper gasket 22 and lower seal pad 23, and is in contact with it, by
This, the sealing performance of liquid level display device 20 increases, and display is more accurate.
According to one embodiment of present invention, evaporator further includes temperature control valve module 40, and temperature control valve module 40 is mounted on this
On body 10, temperature control valve module 40 be equipped with the third air inlet 421 that is connected to the second air inlet 14 and with the second gas outlet 15
The third gas outlet 422 of connection.Since the second air inlet 14 is also connected with the first air inlet 12, the second gas outlet 15 goes out with first
Gas port 13 is connected, meanwhile, third air inlet 421 and third gas outlet 422 are also respectively at the first air inlet 12 and the first gas outlet
13 are connected.
The live gas entered as a result, from the second air inlet 14 can be divided into two-way, be known as bypass gas all the way, into thermostat valve
Component 40, another way are carrier gas, and into vaporization chamber 11, while the bypass gas for entering temperature control valve module 40 can also enter carrier gas
In gas circuit.
Since temperature control valve module 40 has temperature compensation function, can ensure in temperature change, the anesthetic gases of output
Concentration it is constant.Specifically, when the temperature is changed, respective change can occur for temperature control valve module 40, to make enter third into
The flow of the bypass gas of gas port 421 or third gas outlet 422 changes, to ensure that working as temperature change causes in carrier gas
When the concentration of anesthetic gases changes, the concentration of total mixed gas remains unchanged.Moreover, temperature control valve module 40 also has
Have the advantages that simple for structure, convenient for disassembly and assembly.
The structure of temperature control valve module 40 is not done it is specifically limited, as long as meet temperature control valve module 40 with temperature-compensating make
It is required that.Optionally, according to one embodiment of present invention, the temperature control valve module 40 includes bottom plate 41, thermostat valve
Valve seat 42, movable plate 43 and heat-sensitive sheet 44, valve seat of temperature control valve 42 are connected with bottom plate 41 and between valve seat of temperature control valve 42 and bottom plates 41
Define chamber（It is not shown in figure）.
Specifically, respectively with chamber, movable plate 43 can live up and down for third air inlet 421 and third gas outlet 422
It is located in chamber dynamicly, is formed with the first gap 45 between movable plate 43 and the roof of chamber, between third air inlet 421 and first
Gap 45 is connected to, and relief portion 47 is formed on the upper surface of one end of neighbouring third gas outlet 422 on movable plate 43, heat-sensitive sheet 44
At least part is located in relief portion 47, and the second gap 46 is formed between the upper surface of heat-sensitive sheet 44 and the roof of chamber, the
Two gaps 46 are connected to the first gap 45.
In other words, the gas entered from third air inlet 421 can be entered by the first gap 45 and the second gap 46
Third gas outlet 422.Since the first gap 45 is formed by movable plate 43 and the roof of chamber, when about 43 movable plate
When mobile, the size in the first gap 45 can also change, and the gas of third gas outlet 422 is entered from there through the first gap 45
The flow of body will change.
Meanwhile the characteristic that heat-sensitive sheet 44 has sense temperature and deforms can make movable plate under this metamorphosis
43 move up and down, and then the size in the first gap 45 is made to change, to enter temperature control by third air inlet 421
The flow of the bypass gas of valve module 40 changes, and realizes the temperature compensation function of temperature control valve module 40.
Specifically, heat-sensitive sheet can perceive the temperature of anesthetic liquid medicine, when the temperature increases, the concentration of anesthetic liquid medicine evaporation
Increase, 44 sense temperature of heat-sensitive sheet, which moves down, causes the distance between movable plate 43 and roof to increase, to make the first gap
45 become larger, and entering the indoor gas flow of chamber from third air inlet 421 increases, to ensure that the stabilization of anesthesia gas concentration
Output；Upon a drop in temperature, the concentration of anesthetic liquid medicine evaporation declines, and 44 sense temperature of heat-sensitive sheet, which moves up, leads to movable plate 43
The distance between roof reduces, and to make the first gap 45 become smaller, the indoor gas stream of chamber is entered from third air inlet 421
Amount reduces, to ensure that stablizing for anesthesia gas concentration exports.
In order to preferably play the temperature compensation function of temperature control valve module, temperature control valve module is usually mounted on evaporator
Bottom makes it easier to the temperature of perception liquid, improves the sensitivity of temperature-compensating, ensures anesthesia gas concentration in mixed gas
It maintains to stablize.
It should be noted that the shape and mounting means of movable plate 43 are not particularly limited, as long as movable plate 43 can be with
The first gap 45 is formed between the roof of chamber, and movable plate 43 can move up and down the requirement of the size to change gap i.e.
It can.
Optionally, according to one embodiment of present invention, movable plate 43 is mounted on the roof of chamber by fixing screws 431
On, the distance between the lower end of fixing screws 431 and the roof of chamber are more than the thickness of movable plate 43, under fixing screws 431
The first elastic component 432 is equipped between end and movable plate 43.As a result, when between the lower end of fixing screws 431 and the roof of chamber
When distance is more than the thickness of movable plate 43, the first gap 45 can be limited between movable plate 43 and roof.Meanwhile first bullet
Property part 432 can make movable plate 43 up and down in chamber, to make the size in the first gap 45 change.
According to one embodiment of present invention, fixing screws 431 are located at the side far from third gas outlet 422 in chamber,
One end of neighbouring third gas outlet 422 is equipped with the second elastic component 433 on movable plate 43, the second elastic component 433 respectively with movable plate
43 and bottom plate 41 upper surface abut.The second elastic component 433 is located between movable plate 43 and bottom plate 41 as a result,.When the second elasticity
When the length of part 433 changes, coupled movable plate 43 can also move up and down, to make the big of the first gap 45
It is small to change.
Specifically, when the generation of 44 sense temperature of heat-sensitive sheet deforms upward or downward, the second elastic component 433 can be generated
Power upward or downward, to make the second elastic component 433 stretching, extension or retracted downward upwards, and then drive movable plate 43 upwards or to
Lower movement realizes the adjusting to 45 size of the first gap, to make the flow of bypass gas change.
Since the first elastic component 432 is while adjusting the size in the first gap 45, the second elastic component 433 can also be adjusted
The size in the first gap 45.As a result, mitigation is compared in the variation in the first gap 45, to keep the changes in flow rate of gas relatively more slow
With, ensure that anesthesia gas concentration relatively stablize output.In addition, when the second elastic component 433 is located at original state, Neng Gouqi
To the constant magnitude in the first gap 45 between support movable plate 43 and holding movable plate 43 and roof.
Further, according to one embodiment of present invention, temperature control valve module 40 further includes adjusting screw 434, adjusts spiral shell
Nail 434 is located between movable plate 43 and the second elastic component 433.The second elastic component 433 passes through adjusting screw 434 and activity as a result,
Plate 43 links together, and adjusting screw 434 has the function of limiting and adjusting the second elastic component 433, i.e. the second elastic component 433
Initial length can be adjusted by adjusting screw 434, and then adjust the size in the first gap 45 and the second gap 46, prevent second
The length of elastic component 433 is long and then oppressing movable plate 43 makes it be close to valve seat of temperature control valve 42, causes the first gap 45 to disappear, gas
Body can not be inputted from third air inlet 421.
It may fracture in view of 434 usage time of adjusting screw is long, to make the second elastic component 433 lose about
Beam limits, and the first gap 45 is caused to disappear.In order to avoid this kind of situation, according to one embodiment of present invention, temperature control
Valve module 40 further includes locating part 435, and locating part 435 is located between the upper surface of movable plate 43 and the roof of chamber and neighbouring the
Three gas outlets 422.Locating part 435 has the function of that movable plate 43 is prevented to be close to valve seat of temperature control valve 42, so as to prevent first
Gap 45 is closed.
Specifically, locating part 435 includes stop screw and stop nut, and stop screw penetrates movable plate 43 from below,
And it is connected with stop nut.At this point, stop screw can play the role of that movable plate 43 is prevented to be close to valve seat of temperature control valve 42, to anti-
Only adjusting screw 434 is seamless between movable plate 43 and valve seat of temperature control valve 42 when surprisingly fractureing, so as to cause no anesthetic gases
Output, in turn result in clinical accident.
Since the temperature and pressure of gas changes at any time, when the pressure rise of the second gas outlet 15 of evaporator,
Mixed gas positioned at the second gas outlet 15 can flow back into temperature control valve module 40 under the effect of the pressure, and further from temperature control
Valve module 40 flows into vaporization chamber 11, is mixed again with anesthetic gases, the density of anesthetic gases in mixed gas is made to increase.
In order to avoid this kind of situation, need that impedance is installed between vaporization chamber 11 and temperature control valve module 40, make from
The gas that temperature control valve module 40 flows back will not enter in vaporization chamber 11.It is understood that for the structure of impedance, shape and
Mounting means etc. do not do it is specifically limited, as long as can prevent the gas to flow back from temperature control valve module 40 from will not enter vaporization chamber 11
In requirement.
Optionally, according to one embodiment of present invention, evaporator further includes spiral-tube 50, spiral-tube 50 and evaporator valves
Seat 30 is connected, and spiral-tube 50 is equipped with the 4th air inlet 54 and the 4th gas outlet 55, the 4th air inlet 54 and the second of ontology 10
Air inlet 14 is connected to, and the 4th gas outlet 55 is connected to the first air inlet 12 of vaporization chamber 11.As a result, the second air inlet 14 simultaneously with
4th air inlet 54 is connected with third air inlet 421, is divided into two-way from the gas of the second air inlet 14, carrier gas enters spiral-tube
50 the 4th air inlet 54, and from the 4th gas outlet 55, output enters the first air inlet 12, hence into vaporization chamber 11, bypasses gas
Enter thermostat valve from third air inlet 421.
Meanwhile third air inlet 421 is also connected to the 4th air inlet 54, pressure increases at the second gas outlet 15 of evaporator
When big, part mixed gas can be returned to by temperature control valve module 40 at spiral-tube 50 under pressure, without directly returning
Stream enters in vaporization chamber 11, and when pressure reduces at the second gas outlet 15 of evaporator, this partial reflux gas will not be because of pump
It inhales principle and enters vaporization chamber 11, and then increase the concentration of anaesthetic in mixed gas.That is, spiral-tube 50 has pressure
Force compensating acts on, and the compensation of anesthesia gas concentration can be realized in the fluctuation of pressure, enables mixed gas with stable concentration
Output.
It is understood that the structure of spiral-tube 50 is not done it is specifically limited, as long as meeting spiral-tube 50 can accommodate
Reflux gas makes it not enter the requirement in vaporization chamber 11.Optionally, according to one embodiment of present invention, spiral
Cylinder 50 includes outer barrel 51 and inner cylinder 52, and the inner peripheral surface of the peripheral surface and outer barrel 51 of inner cylinder 52 fits, on the peripheral surface of inner cylinder 52
Be formed with the helicla flute 53 vertically extended, the both ends of helicla flute 53 respectively with the 4th air inlet 54 and the 4th gas outlet 55
Connection.As a result, by the way that the helicla flute vertically extended 53 is arranged on the peripheral surface of inner cylinder 52, when inner cylinder 52 and outer barrel 51
When fitting, the helical pipe vertically extended can be formed in spiral-tube 50.
When pressure increases at the second gas outlet 15 of evaporator, part mixed gas passes through thermostat valve under pressure
The 4th air inlet 54 is entered after component 40, hence into in spiral-tube 50, under the action of spiral pipeline, this reflux gas
It will not enter in vaporization chamber 11, when pressure reduces at the second gas outlet 15 of evaporator, under the action of helical pipe, this portion
Point reflux gas will not be in pumping to vaporization chamber 11, to realize the pressure compensation of spiral-tube 50.The spiral shell of such structure
50 handling ease of rotation cylinder, convenient for disassembly and assembly, cost is relatively low and gas appearance is larger, in the case of pressure oscillation, can effectively realize to fiber crops
The buffering of liquor-saturated gas, using effect are good.
Temperature control valve module 40 and spiral-tube 50 are combined as a result, the two is placed on dense to anesthetic gases in two-way gas circuit
Degree compensates, and is become to solve the anesthesia gas concentration caused by temperature change with temperature control valve module 40 in bypassing gas gas circuit
The problem of change, solves the problems, such as that the anesthesia gas concentration caused by pressure oscillation changes in carrier gas gas circuit with spiral-tube 50.
Under the pressure compensation effect of the temperature compensation function and spiral-tube 50 of temperature control valve module 40, evaporator can be persistently defeated
The anesthetic gases for going out steady concentration make the performance of evaporator greatly improve.
It is understood that in practical applications, it can be according to this principle, by various forms of temperature control valve modules 40 and not
Isostructural spiral-tube 50 is used in combination with, and mounting means can be made with the structure of spiral-tube 50 and temperature control valve module 40
Further adjustment, to increase its applicability.
Anesthesia machine described in embodiment according to a second aspect of the present invention, including the evaporator described in above-described embodiment.Due to
Evaporator according to the above embodiment of the present invention has above-mentioned beneficial technique effect, therefore anesthesia according to the ... of the embodiment of the present invention
Machine also has corresponding technique effect.I.e. liquid level display device 20 uses pitch tube 21, since pitch tube 21 has heat conductivility
Low, the features such as light transmittance is high, impact resistance is strong, light-weight, uvioresistant and optical property are stablized, therefore use glass with traditional
The liquid level display device 20 of glass pipe is compared, the liquid level display device of the evaporator 20 it is anti-fog properties it is strong, transparency is high, it is non-breakable,
And fragment is few without sharp after broken, and chemical resistance and solvent range are wide.
Other of Anesthesia machine according to the ... of the embodiment of the present invention are constituted and are operated for those of ordinary skills
All it is known, is not detailed herein.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are not
It must be directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be in office
What can be combined in any suitable manner in one or more embodiments or example.In addition, those skilled in the art can say this
Different embodiments or examples described in bright book are engaged and are combined.
Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example
Property, it is not considered as limiting the invention, those skilled in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, changes, replacing and modification.
Claims (7)
1. a kind of evaporator, which is characterized in that including：
Ontology defines vaporization chamber in the ontology, is equipped with the first air inlet and the first gas outlet in the vaporization chamber, described
Body is equipped with the second air inlet being connected to the first air inlet of the vaporization chamber and be connected to first gas outlet second
Gas outlet；
Evaporator valve seat, the evaporator valve seat are mounted on the ontology；
Liquid level display device, the liquid level display device use pitch tube, the liquid level display device to set on the body；
Temperature control valve module, the temperature control valve module are mounted on the ontology, and the temperature control valve module is equipped with and described second
The third air inlet of air inlet connection and the third gas outlet being connected to second gas outlet, the temperature control valve module packet
It includes：
Bottom plate；
Valve seat of temperature control valve, the valve seat of temperature control valve are connected with the bottom plate and are limited between the valve seat of temperature control valve and the bottom plate
Have a chamber, the third air inlet and third gas outlet respectively with the chamber；
Movable plate, the movable plate can up and downly be located in the chamber, the roof of the movable plate and the chamber it
Between be formed with the first gap, the third air inlet is connected to first gap, and the neighbouring third goes out on the movable plate
It is formed with relief portion on the upper surface of one end of gas port；And
At least part of heat-sensitive sheet, the heat-sensitive sheet is located in the relief portion, the upper surface of the heat-sensitive sheet and the chamber
The second gap is formed between the roof of room, second gap is connected to first gap, and the movable plate passes through fixation
Screw is mounted on the roof of the chamber, and the distance between the lower end of the fixing screws and the roof of the chamber are more than institute
The thickness of movable plate is stated, the first elastic component is equipped between the lower end of the fixing screws and the movable plate.
2. evaporator according to claim 1, which is characterized in that the fixing screws are located in the chamber far from described
The side of third gas outlet, one end of the neighbouring third gas outlet is equipped with the second elastic component on the movable plate, and described second
The both ends of elastic component are abutted with the upper surface of the bottom plate and the movable plate respectively.
3. evaporator according to claim 2, which is characterized in that further include：Adjusting screw, the adjusting screw are located at institute
It states between movable plate and second elastic component.
4. evaporator according to claim 3, which is characterized in that further include：Locating part, the locating part are located at the work
Between the upper surface of movable plate and the roof of the chamber and neighbouring third gas outlet.
5. according to the evaporator described in any one of claim 1-4, which is characterized in that further include：Spiral-tube, the spiral-tube
Be connected with the evaporator valve seat, the spiral-tube be equipped with the 4th air inlet and the 4th gas outlet, the 4th air inlet with
Second air inlet of the ontology is connected to, and the 4th gas outlet is connected to the first air inlet of the vaporization chamber.
6. evaporator according to claim 5, which is characterized in that the spiral-tube includes：
Outer barrel；
Inner cylinder, the peripheral surface of the inner cylinder are bonded with the inner peripheral surface of the outer barrel, are formed with along upper on the peripheral surface of the inner cylinder
The helicla flute that lower direction extends, the both ends of the helicla flute are connected to the 4th air inlet and the 4th gas outlet respectively.
7. a kind of Anesthesia machine, which is characterized in that including the evaporator described in any one of claim 1-6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310733744.XA CN104740738B (en) | 2013-12-26 | 2013-12-26 | Evaporator and Anesthesia machine with it |
Applications Claiming Priority (1)
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| CN104740738B true CN104740738B (en) | 2018-11-13 |
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| CN105944213B (en) * | 2016-05-11 | 2017-12-26 | 苏州科技城医院 | Inhalation anesthetic Volatile anesthetic with function of measuring and arcotic volatilization metering method |
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| US4919125A (en) * | 1988-04-27 | 1990-04-24 | Boc Group Plc. | Anaesthetic vaporisers |
| US6158434A (en) * | 1996-02-27 | 2000-12-12 | Henk W. Koster | Ventilatory system with additional gas administrator |
| CN102824675A (en) * | 2012-09-20 | 2012-12-19 | 天津森迪恒生科技发展有限公司 | Electronic evaporimeter for anaesthesia machine |
| CN103071225A (en) * | 2011-10-26 | 2013-05-01 | 北京谊安医疗系统股份有限公司 | Window of evaporator and evaporator with window |
| CN103182128A (en) * | 2011-12-30 | 2013-07-03 | 北京谊安医疗系统股份有限公司 | Anesthetic vaporizer with flow and pressure fluctuation compensation function |
| CN203736658U (en) * | 2013-12-26 | 2014-07-30 | 北京谊安医疗系统股份有限公司 | Evaporator and anesthesia machine with same |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10153043C1 (en) * | 2001-10-26 | 2002-10-24 | Draeger Medical Ag | Modular narcotic administration unit connected to medicinal equipment, includes storage tank, intermediate vessel, pressure source and dosing component |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4919125A (en) * | 1988-04-27 | 1990-04-24 | Boc Group Plc. | Anaesthetic vaporisers |
| US6158434A (en) * | 1996-02-27 | 2000-12-12 | Henk W. Koster | Ventilatory system with additional gas administrator |
| CN103071225A (en) * | 2011-10-26 | 2013-05-01 | 北京谊安医疗系统股份有限公司 | Window of evaporator and evaporator with window |
| CN103182128A (en) * | 2011-12-30 | 2013-07-03 | 北京谊安医疗系统股份有限公司 | Anesthetic vaporizer with flow and pressure fluctuation compensation function |
| CN102824675A (en) * | 2012-09-20 | 2012-12-19 | 天津森迪恒生科技发展有限公司 | Electronic evaporimeter for anaesthesia machine |
| CN203736658U (en) * | 2013-12-26 | 2014-07-30 | 北京谊安医疗系统股份有限公司 | Evaporator and anesthesia machine with same |
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| CN104740738A (en) | 2015-07-01 |
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