CN103893897B - Anesthesia evaporator temperature control valve - Google Patents
Anesthesia evaporator temperature control valve Download PDFInfo
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- CN103893897B CN103893897B CN201210581885.XA CN201210581885A CN103893897B CN 103893897 B CN103893897 B CN 103893897B CN 201210581885 A CN201210581885 A CN 201210581885A CN 103893897 B CN103893897 B CN 103893897B
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Abstract
The invention discloses a kind of anesthesia evaporator temperature control valve, including lid, tank body and portable plate.There is the air inlet communicated with the second air chamber and the gas outlet communicated with the first air chamber on tank body.Portable plate can up or down be located in the first air chamber and have transformable gap between the inner top surface of tank body, and wherein portable plate is accordingly located at the lower section of the second air chamber and the carrier gas of the second air chamber outflow is flowed into the first air chamber from gap.The anesthesia evaporator temperature control valve of the present invention, compact conformation, simple, the flow output of carrier gas is adjustable, so as to ensure anesthesia evaporator normal work.
Description
Technical field
The present invention relates to anesthesia evaporator technical field, more particularly, to a kind of anesthesia evaporator temperature control valve.
Background technology
Anesthesia evaporator（Anaesthetize Volatile anesthetic or anesthetic vaporizer）It is the important component of Anesthesia machine, its quality is not only
The manufacture level of Anesthesia machine is indicated, is also related to effect and the success or failure of inhalation anesthesia, is directly related to the safety of patient.Anesthesia
The general principle of evaporator is the change for the temperature and thermal source for utilizing surrounding environment, and anaesthetic is become boil-off gas, passed through
A certain amount of carrier gas, a portion gas carries off the anesthetic gases of saturation, as the air-flow for having certain density anesthetic vapor,
It is directly entered anaesthetic circuit.Wherein, anesthesia evaporator temperature control valve is used for the flow for controlling to adjust carrier gas, you can according to anesthesia
Gas number carry out the carrier gas that increases or decreases of adaptability, but traditional anesthesia evaporator temperature control valve size is big, structure
It is complicated.
The content of the invention
It is contemplated that at least solving one of technical problem present in prior art.Therefore, one object of the present invention
It is to propose anesthesia evaporator temperature control valve, the anesthesia evaporator temperature control valve size is small, simple in construction.
According to the anesthesia evaporator temperature control valve of the present invention, including：Lid；Tank body, the tank body is located at the lid
On to limit the first air chamber between the tank body and the lid, the second air chamber, second gas are provided with the tank body
Room downward through the tank body inner top surface to be communicated with first air chamber, on the tank body have and second air chamber
The air inlet communicated and the gas outlet communicated with first air chamber；And portable plate, the portable plate can set up or down
There is transformable gap in first air chamber and between the inner top surface of the tank body, wherein the portable plate is accordingly
It is located at the lower section of second air chamber and causes the carrier gas of the second air chamber outflow to flow into first air chamber from the gap
It is interior.
Compact conformation, simple according to the anesthesia evaporator temperature control valve of the present invention, the flow output of carrier gas is adjustable, from
And ensure anesthesia evaporator normal work.
In addition, according to the anesthesia evaporator temperature control valve of the present invention, can also have following additional technical feature：
In a preferred embodiment of the invention, the anesthesia evaporator temperature control valve also includes：
Thermoinduction piece, the thermoinduction piece is located on the tank body, and the thermoinduction piece is configured to work as the thermoinduction piece
Temperature reduction when be bent upwards and when the thermoinduction piece temperature rise when be bent downwardly；
Regulating part, the regulating part is located on the portable plate, the upper end of the regulating part only to the thermoinduction piece and
The lower end of the regulating part is spaced apart with the lid, and
Elastic component, the elastic component is located in first air chamber and the two ends of the elastic component are stopped and are against the portable plate
Between the lid.
Between thermoinduction piece, regulating part and elastic component synergy are set to adjust between portable plate and inner top surface
Gap, not only makes the overall structure of anesthesia evaporator temperature control valve compacter, and degree of regulation is high, and stability is good.
In a preferred embodiment of the invention, the anesthesia evaporator temperature control valve also includes flexure strip, described
Flexure strip is located on the tank body and the portable plate is fixed on the flexure strip.
In a preferred embodiment of the invention, the anesthesia evaporator temperature control valve also includes first, second He
3rd backing plate, wherein one end of first backing plate and the portable plate is located at the upper surface of the flexure strip, second pad
Plate be located at the flexure strip lower surface and it is corresponding with first backing plate with will pass through the first fastener by second backing plate,
The flexure strip and first backing plate are fixed on the tank body, the 3rd backing plate be located at the flexure strip lower surface and
It is corresponding with described one end of the portable plate to will pass through the second fastener by the 3rd backing plate, the flexure strip and described
Described one end fastening of portable plate.
In a preferred embodiment of the invention, the thickness of first backing plate is slightly larger than the thickness of the portable plate.
It can so ensure that the upper surface of portable plate and inner top surface are unlikely to fit so that carrier gas can be flowed into the first air chamber from the gap.
In a preferred embodiment of the invention, first backing plate is spaced apart with described one end of the portable plate.
In a preferred embodiment of the invention, between described one end of first backing plate and the portable plate away from
From about 2mm.
So during portable plate is moved up and down, the power that flexure strip is applied to portable plate is much smaller than elastic component such as spring
And thermoinduction piece such as thrermostatic bimetal-plate is applied to the power of portable plate jointly, i.e. influence of the flexure strip to portable plate is minimum, can
Ignore the influence of power that flexure strip applies to portable plate to portable plate upper and lower displacement, so that by thermoinduction piece, elastic component and regulation
Gap between part overall more accurate adjustment portable plate and inner top surface so that the gap and required carrier gas flux phase
Match somebody with somebody.
In a preferred embodiment of the invention, first and second fastener is trip bolt.
In a preferred embodiment of the invention, the elastic component is spring, and the spring is set in the regulating part
Outside, the upper table stopped to the lower surface of the portable plate and the lower end of the spring to the lid is stopped in the upper end of the spring
Face.
In a preferred embodiment of the invention, the thermoinduction piece is thrermostatic bimetal-plate.
In a preferred embodiment of the invention, the anesthesia evaporator temperature control valve also includes locating part, described
Locating part is located on the portable plate, and the upper surface of the locating part is slightly above the upper surface of the portable plate.
So after the balanced component failure that regulating part, thermoinduction piece and elastic component are constituted, even if portable plate is too upward
Mobile, the part of locating part protrusion portable plate upper surface is that upper end only can be against on inner top surface, so that the upper surface of portable plate
Remain in that a less gap supplies carrier gas between inner top surface, so that it is safe to substantially increase using for anesthesia evaporator
Property, it is to avoid due to regulating part, thermoinduction piece and elastic component constitute balanced component failure caused by anesthetic ratio greatly, concentration
Height, so that threatening the life of patient.
In a preferred embodiment of the invention, the sealing ring provided with annular between the cover plate and the tank body.It is logical
The gap that setting sealing ring can preferably between sealing cover body and tank body is crossed, prevents the carrier gas in the first air chamber from being escaped from the gap
Go out, so as to influence the total flow of carrier gas flowed out from gas outlet.
The additional aspect and advantage of the present invention will be set forth in part in the description, and will partly become from the following description
Obtain substantially, or recognized by the practice of the present invention.
Brief description of the drawings
The above-mentioned and/or additional aspect and advantage of the present invention will become from description of the accompanying drawings below to embodiment is combined
Substantially and be readily appreciated that, wherein：
Fig. 1 is the sectional view of anesthesia evaporator temperature control valve according to an embodiment of the invention；
Fig. 2 is the front view of anesthesia evaporator temperature control valve according to an embodiment of the invention, lid not shown in it
Body.
Description of reference numerals：
Anesthesia evaporator temperature control valve 100；
Lid 1；
Tank body 2, air inlet 21, gas outlet 22, the inner top surface 23 of tank body；
Portable plate 3；
First air chamber 41, the second air chamber 42；
Thermoinduction piece（Thrermostatic bimetal-plate）5；
Regulating part 6；
Elastic component（Spring）7；
First backing plate 81, the second backing plate 82, the 3rd backing plate 83, flexure strip 84；
Locating part 9.
Embodiment
Embodiments of the invention are described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning to end
Same or similar label represents same or similar element or the element with same or like function.Below with reference to attached
The embodiment of figure description is exemplary, it is intended to for explaining the present invention, and be not considered as limiting the invention.
In the description of the invention, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", " on ", " under ", "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outer ", " up time
The orientation or position relationship of the instruction such as pin ", " counterclockwise " are, based on orientation shown in the drawings or position relationship, to be for only for ease of
The description present invention and simplified description, rather than indicate or imply that the device or element of meaning must have specific orientation, Yi Te
Fixed azimuth configuration and operation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " are only used for describing purpose, and it is not intended that indicating or implying relative importance
Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can express or
Implicitly include one or more this feature.In the description of the invention, " multiple " are meant that two or more,
Unless otherwise specifically defined.
In the present invention, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " fixation " etc.
Term should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected；It can be machine
Tool is connected or electrically connected；Can be joined directly together, can also be indirectly connected to by intermediary, can be two members
Connection inside part.For the ordinary skill in the art, above-mentioned term can be understood in this hair as the case may be
Concrete meaning in bright.
In the present invention, unless otherwise clearly defined and limited, fisrt feature second feature it " on " or it " under "
Can directly it be contacted including the first and second features, it is not direct contact but by it that can also include the first and second features
Between other characterisation contact.Moreover, fisrt feature second feature " on ", " top " and " above " to include first special
Levy directly over second feature and oblique upper, or be merely representative of fisrt feature level height higher than second feature.Fisrt feature exists
Second feature " under ", " lower section " and " following " fisrt feature that includes are immediately below second feature and obliquely downward, or be merely representative of
Fisrt feature level height is less than second feature.
Anesthesia evaporator temperature control valve 100 according to embodiments of the present invention is described below with reference to Fig. 1-Fig. 2, the anesthesia is steamed
Hair device temperature control valve 100 is used for the flow for adjusting the carrier gas such as oxygen of anesthesia evaporator.
Anesthesia evaporator temperature control valve 100 according to an embodiment of the invention includes lid 1, tank body 2 and portable plate
3。
As shown in figure 1, tank body 2 is located on lid 1 to limit the first air chamber 41, such as tank between tank body 2 and lid 1
The bottom-open of body 2, the bottom that lid 1 is arranged on tank body 2 is used to sealed shell of tank 2 limit between lid 1 and tank body 2
First air chamber 41.Together with tank body 2 is preferably removably mounted on lid 1.
Be provided with the second air chamber 42 in tank body 2, second air chamber 42 downward through tank body 2 inner top surface 23 so as to the first gas
Room 41 is communicated, and such as the second air chamber 42 is formed as the recess structure caved inward from the inner top surface 23 of tank body 2, tank body 2
It is upper that there is the air inlet 21 communicated with the second air chamber 42 and the gas outlet 22 communicated with the first air chamber 41, such carrier gas such as oxygen
Entered by air inlet 21 in the second air chamber 42, it is last from gas outlet 22 then to flow to the first air chamber 41 from the second air chamber 42
Outflow.
Portable plate 3 can up or down be located in the first air chamber 41 and have alterable between the inner top surface 23 of tank body 2
Gap.In other words, portable plate 3 is located in the first air chamber 41 and positioned at the lower section of the second air chamber 42, and portable plate 3 is in the first air chamber
It can move up and down to change gap between the upper surface of portable plate 3 and inner top surface 23 in 41, such as portable plate 3 is to moving down
Dynamic, then the gap increases, and portable plate 3 is moved up, then the gap reduces.
Carrier gas is flowed out from the second air chamber 42 and is flowed into from the gap in the first air chamber 41, i.e. carrier gas enters from air inlet 21
Into the second air chamber 42, then flowed out from the second air chamber 42 and be flowed into by the gap between portable plate 3 and inner top surface 23
In two air chambers 42, and finally flowed out from gas outlet 22.
It is real because portable plate 3 can be moved up and down so as to change the gap between portable plate 3 and inner top surface 23 for carrier gas
The control to carrier gas flux is showed, such as when needing the carrier gas of larger flow, between portable plate 3 can be moved down so as to increase this
Gap, makes more carrier gas to enter in the first air chamber 41 and be flowed out from gas outlet 22 by the gap, and when needs are compared with rill
During the carrier gas of amount, portable plate 3 can be moved up so as to reducing the gap, relatively small number of carrier gas is entered the by the gap
Flow out in one air chamber 41 and from gas outlet 22, realize the regulation and control of carrier gas flux.
The anesthesia evaporator temperature control valve 100 of the present invention, compact conformation, simple, the flow output of carrier gas is adjustable, so that
Ensure anesthesia evaporator normal work.
In a preferred embodiment of the invention, anesthesia evaporator temperature control valve 100 also includes thermoinduction piece 5, adjusted
Save part 6 and elastic component 7.Thermoinduction piece 5 is located on tank body 2, thermoinduction piece 5 be configured to when thermoinduction piece 5 temperature reduction when to
It is bent downwardly when upper bending and the temperature rise when thermoinduction piece 5.Thermoinduction piece 5 can be thrermostatic bimetal-plate, thrermostatic bimetal-plate 5
One end above and it is following be respectively equipped with pad, the pad of thrermostatic bimetal-plate 5 and its upper and lower surface can be whole by screw
Body is fastened on tank body 2.
As shown in figure 1, regulating part 6 is located on portable plate 3, the upper end of regulating part 6 is stopped to thermoinduction piece 5 and regulating part 6
Lower end is spaced apart with lid 1, and regulating part 6 can be adjusting screw, the adjusting screw can be screwed on portable plate 3 and head end i.e.
Upper end protrudes the upper surface of portable plate 3 to be only against below such as thrermostatic bimetal-plate of thermoinduction piece 5.
Reference picture 1, elastic component 7 is located in the first air chamber 41, and the two ends of elastic component 7 are only against portable plate 3 and lid 1 respectively
Between, the upper end of such as elastic component 7 stops the lower surface for being against portable plate 3 and the upper surface for being against lid 1 is stopped in lower end.
Thermoinduction piece 5, regulating part 6 and elastic component 7 collectively form the balance that balanced component is used to adjust portable plate 3.
Specifically, the explanation so that thermoinduction piece 5 is thrermostatic bimetal-plate as an example.
In original state, the support portable plate 3 of elastic component 7 and clearance constant between holding portable plate 3 and inner top surface 23.
When the sense temperature of thrermostatic bimetal-plate 5 changes, such as after the temperature rise for perceiving anesthetic, the volatilization speed of anesthetic
Degree is accelerated, and it is to be bent downwardly that thrermostatic bimetal-plate 5 itself, which can correspond to and produce deformation, and hot double gold are against because the head end of regulating part 6 stops
Belong to piece 5 below, therefore thrermostatic bimetal-plate 5 be bent downwardly can push regulating part 6 drive portable plate 3 move down, so as to increase
Gap between portable plate 3 and inner top surface 23, makes more carrier gas to be flowed into by the gap after the first air chamber 41 from outlet
Mouth 22 flows out and mixed with gaseous anesthetic, and then ensures that the overall ratio of carrier gas and gaseous anesthetic keeps being basically unchanged.
And when the sense temperature of thrermostatic bimetal-plate 5 is reduced, such as after the temperature reduction for perceiving anesthetic, the volatilization of anesthetic
Speed slows down, and it is to be bent upwards that thrermostatic bimetal-plate 5 itself, which can correspond to and produce deformation, and hot pair is against because the head end of regulating part 6 stops
Below sheet metal 5, thus thrermostatic bimetal-plate 5 be bent upwards after, elastic component 7 can pushes on movable plate 3 and regulating part 6 it is overall to
Upper movement, so as to reduce the gap between portable plate 3 and inner top surface 23, makes relatively small number of carrier gas to be flowed into by the gap
Flow out and mixed with gaseous anesthetic from gas outlet 22 after first air chamber 41, and then ensure the entirety of carrier gas and gaseous anesthetic
Ratio keeps being basically unchanged.
Concrete structure and operation principle on thrermostatic bimetal-plate 5 etc. have been prior art, and are the technology of this area
Known to personnel, it is not detailed herein.
By setting thermoinduction piece 5, regulating part 6 and elastic component 7 to act synergistically to adjust between portable plate 3 and inner top surface 23
Gap, not only make the overall structure of anesthesia evaporator temperature control valve 100 compacter, and degree of regulation is high, stability
It is good.
As illustrated in fig. 1, it is preferred that elastic component 7 can be spring, spring 7 can be set in the outer of such as adjusting screw of regulating part 6
Stop the upper surface for stopping retaining cap body 1 to the lower surface of portable plate 3 and the lower end of spring 7 in face, the upper end of spring 7.It will of course be understood that
, the upper end of spring 7 can be also directly anchored to below portable plate 3 or the lower end of spring 7 can be directly anchored to lid 1
On upper surface.
In a preferred embodiment of the invention, anesthesia evaporator temperature control valve 100 also includes flexure strip 84, first
Backing plate 81, the second backing plate 82 and the 3rd backing plate 83, flexure strip 84 is located on tank body 2 and portable plate 3 is fixed on flexure strip 84, tool
Say, one end apart from regulating part 6 farther out of portable plate 3 is fixed on flexure strip 84, and flexure strip 84 is fixed on tank body 2 body,
So as to which portable plate 3 is fixed on tank body 2 indirectly, prevent portable plate 3 from freely being rotated during moving up and down.
One end of reference picture 1, the first backing plate 81 and portable plate 3 is located on the upper surface of flexure strip 84, and the one of the portable plate 3
End is preferably that one end apart from regulating part 6 farther out, the second backing plate 82 be located at the lower surface of flexure strip 84 and with the first backing plate 81
Second backing plate 82, the backing plate 81 of flexure strip 84 and first are fixed on tank body 2 by correspondence with will pass through the first fastener, i.e., the first pad
Flexure strip 84 is clipped in the middle by the backing plate 82 of plate 81 and second, and the second backing plate 82 can be located at the underface of the first backing plate 81, San Zheke
Integrally it is fastened on tank body 2 by the first fastener such as trip bolt.
Similarly, the 3rd backing plate 83 is located at the lower surface of flexure strip 84 and corresponding with described one end of portable plate 3 to lead to
Cross the second fastener to fasten described one end of the 3rd backing plate 83, flexure strip 84 and portable plate 3, i.e. described the one of portable plate 3
Flexure strip 84 is clipped in the middle by end and the 3rd backing plate 83, and the 3rd backing plate 83 can be located at the underface of described one end of portable plate 3, three
Person can integrally be fixed by the second fastener such as trip bolt.
Further, the thickness of the first backing plate 81 is slightly larger than the thickness of portable plate 3, can so ensure the upper table of portable plate 3
Face is unlikely to fit with inner top surface 23 so that carrier gas can be flowed into from the gap in the first air chamber 41.
Preferably, the first backing plate 81 is spaced apart with described one end of portable plate 3, such as the first backing plate 81 and portable plate 3
The distance between described one end is about 2mm（L in Fig. 1）, that is to say, that end of first backing plate 81 towards the side of portable plate 3
Face is discontiguous towards the end face of the side of the first backing plate 81 with portable plate 3, preferably separates 2mm between the both ends of the surface, so exists
During portable plate 3 is moved up and down, the power that flexure strip 84 is applied to portable plate 3 is much smaller than elastic component 7 such as spring and thermal sensation
Such as thrermostatic bimetal-plate 5 of piece 5 is answered to be applied to the power of portable plate 3 jointly, i.e. influence of the flexure strip 84 to portable plate 3 is minimum, can neglect
Influence of the power that slightly flexure strip 84 applies to portable plate 3 to the upper and lower displacement of portable plate 3, so that by thermoinduction piece 5, the and of elastic component 7
Gap between regulating part 6 overall more accurate adjustment portable plate 3 and inner top surface 23 so that the gap and required carrier gas stream
Amount matches.
It is understood that the distance between described one end of the first backing plate 81 and portable plate 3 is not limited to 2mm, such as
Can be 2mm an or so concrete numerical value, such as 1.5mm or 2.5mm.
It is consistently spaced apart between portable plate 3 and inner top surface 23 during anesthesia evaporator 100 normal work of temperature control valve, i.e.,
Therebetween there is gap all the time for carrier gas, in order to avoid emergency case or unknown force cause regulating part 6, thermoinduction piece
5 and elastic component 7 constitute balanced component failure, for example spring 7 fails, cause portable plate 3 upper surface directly laminating including push up
On face 23, cause gap is not present between portable plate 3 and inner top surface 23, carrier gas successfully can not flow out out of second air chamber 42,
Ultimately result in no carrier gas outflow at gas outlet 22 to mix with gaseous anesthetic, cause anesthesia agent concentration excessive, it is out of proportion, from
And threaten the life security of patient.
In view of this, in a preferred embodiment of the invention, as shown in Fig. 2 anesthesia evaporator temperature control valve 100
Also locating part 9, locating part 9 may be provided on portable plate 3, and the upper surface of locating part 9 is slightly above the upper surface of portable plate 3, so exists
After the balanced component failure that regulating part 6, thermoinduction piece 5 and elastic component 7 are constituted, even if portable plate 3 is too moved up, locating part
The part of 9 protrusion portable plate 3 upper surfaces is that upper end only can be against on inner top surface 23, so that the upper surface of portable plate 3 and interior top
Remain in that a less gap supplies carrier gas between face 23, so that the safety in utilization of anesthesia evaporator is substantially increased,
Avoid due to regulating part 6, thermoinduction piece 5 and elastic component 7 constitute balanced component failure caused by anesthetic ratio greatly, concentration
Height, so that threatening the life of patient.
Locating part 9 can be stop screw, and stop screw can be screwed on portable plate 3, upper table of its upper end from portable plate 3
Show out, and the length exposed can be according to actual operation requirements and the use safety post of anesthesia evaporator temperature control valve 100
Standard is set, and this all will be appreciated that for a person skilled in the art.
In a preferred embodiment of the invention, the sealing ring provided with annular between lid 1 and tank body 2, for example, seal
Circle can be O-ring seal, by setting the gap that sealing ring can preferably between sealing cover body 1 and tank body 2, prevent the first gas
Carrier gas in room 41 is escaped from the gap, so as to influence the total flow of carrier gas flowed out from gas outlet 22.
Anesthesia evaporator temperature control valve 100 according to an embodiment of the invention is briefly described referring to Fig. 1 and Fig. 2
Operation principle.
It can be 20 DEG C in original state such as environment temperature, now in thrermostatic bimetal-plate 5, regulating part 6 shown in reference picture 1
And under the collective effect of spring 7, carrier gas is entered from air inlet 21 between portable plate 3 and inner top surface 23 spaced a predetermined distance
Flow out and flowed into by the gap between portable plate 3 and inner top surface 23 after second air chamber 42, from the outlet of the bottom of the second air chamber 42
Into the first air chamber 41, finally flowed out from the first air chamber 41 by gas outlet 22 and be mixed into predetermined ratio with gaseous anesthetic
Gaseous mixture for patient suck.
It is changed into 25 DEG C when environment temperature raises such as environment temperature, now because temperature is raised, the evaporation rate of anesthetic
Accelerate, that is, need more carrier gas to mix with anesthetic to keep overall ratio constant.The now sense temperature of thrermostatic bimetal-plate 5
Rise, so that be bent downwardly and drive regulating part 6 to drive portable plate 3 to move down, while further compression spring 7, when hot double
After the power of sheet metal 5, regulating part 6 and the collective effect of spring 7 on portable plate 3 reaches balance again, portable plate 3 is located at initial
The lower section of position, i.e., gap now between portable plate 3 and inner top surface 23 becomes big, so that the carrier gas flowed out in the second air chamber 42
Increase, the load volume increase for finally making to flow out from gas outlet 22 and being mixed with gaseous anesthetic, so as to keep the ratio of gaseous mixture
Example is basically unchanged.
And it is changed into 15 DEG C when environment temperature reduces such as environment temperature, and now due to temperature reduction, the volatilization speed of anesthetic
Degree slows down, that is, needs relatively small number of carrier gas to mix with anesthetic to keep overall ratio constant.Now thrermostatic bimetal-plate 5 is felt
Know temperature reduction, so as to be bent upwards, spring 7 promotes portable plate 3 and the entirety of regulating part 6 to move up, and makes the upper of regulating part 6
End still only support thrermostatic bimetal-plate 5, when the power of thrermostatic bimetal-plate 5, regulating part 6 and the collective effect of spring 7 on portable plate 3 again
Secondary to reach after balance, portable plate 3 is located at the top of initial position, i.e. gap now between portable plate 3 and inner top surface 23 diminishes,
So that the carrier gas of outflow is reduced in the second air chamber 42, finally make the load for flowing out and being mixed with gaseous anesthetic from gas outlet 22
Tolerance is reduced, so as to keep the ratio of gaseous mixture to be basically unchanged.
In general, anesthesia evaporator temperature control valve 100 of the invention may be provided in the bottom of anesthesia evaporator, its top
It can be anesthetic chamber, compared to traditional anesthesia evaporator temperature control valve 100, can more preferably and more quickly perceive the temperature of anesthetic
Degree change so that make accommodation rapidly so that from anesthesia evaporator temperature control valve 100 flow out carrier gas flux it is moderate,
And the anesthesia evaporator temperature control valve 100 of the present invention is simple in construction, compact, degree of regulation is high, and stability is good.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " illustrative examples ",
The description of " example ", " specific example " or " some examples " etc. means to combine specific features, the knot that the embodiment or example are described
Structure, material or feature are contained at least one embodiment of the present invention or example.In this manual, to above-mentioned term
Schematic representation is not necessarily referring to identical embodiment or example.Moreover, specific features, structure, material or the spy of description
Point can in an appropriate manner be combined in any one or more embodiments or example.
Although an embodiment of the present invention has been shown and described, it will be understood by those skilled in the art that：Not
In the case of departing from the principle and objective of the present invention a variety of change, modification, replacement and modification can be carried out to these embodiments, this
The scope of invention is limited by claim and its equivalent.
Claims (11)
1. a kind of anesthesia evaporator temperature control valve, it is characterised in that including：
Lid；
Tank body, the tank body is located on the lid to limit the first air chamber between the tank body and the lid, described
Be provided with the second air chamber in tank body, second air chamber downward through the tank body inner top surface so as to the first air chamber phase
It is logical, there is the air inlet communicated with second air chamber and the gas outlet communicated with first air chamber on the tank body；And
Portable plate, the portable plate can up or down be located in first air chamber and have between the inner top surface of the tank body
There is transformable gap, wherein the portable plate is accordingly located at the lower section of second air chamber and causes the second air chamber stream
The carrier gas gone out is flowed into first air chamber from the gap；
Thermoinduction piece, the thermoinduction piece is located on the tank body, and the thermoinduction piece is configured to the temperature when the thermoinduction piece
It is bent upwards and is bent downwardly when the temperature rise of the thermoinduction piece during degree reduction；
Regulating part, the regulating part is located on the portable plate, and the thermoinduction piece is only supported and described in the upper end of the regulating part
The lower end of regulating part is spaced apart with the lid, and
Elastic component, the elastic component is located in first air chamber and the two ends of the elastic component are stopped and are against the portable plate and institute
State between lid.
2. anesthesia evaporator temperature control valve according to claim 1, it is characterised in that also including flexure strip, the bullet
Property piece is located on the tank body and the portable plate is fixed on the flexure strip.
3. anesthesia evaporator temperature control valve according to claim 2, it is characterised in that also including first, second and
Three backing plates, wherein one end of first backing plate and the portable plate is located at the upper surface of the flexure strip, second backing plate
Positioned at the lower surface of the flexure strip and corresponding with first backing plate to will pass through the first fastener by second backing plate, institute
State flexure strip and first backing plate be fixed on the tank body, the 3rd backing plate be located at the flexure strip lower surface and with
Described one end of the portable plate corresponds to will pass through the second fastener by the 3rd backing plate, the flexure strip and the work
Described one end fastening of dynamic plate.
4. anesthesia evaporator temperature control valve according to claim 3, it is characterised in that the thickness of first backing plate is omited
More than the thickness of the portable plate.
5. anesthesia evaporator temperature control valve according to claim 3, it is characterised in that first backing plate and the work
Described one end of dynamic plate is spaced apart.
6. anesthesia evaporator temperature control valve according to claim 5, it is characterised in that first backing plate and the work
The distance between described one end of dynamic plate is 2mm.
7. anesthesia evaporator temperature control valve according to claim 3, it is characterised in that first and second fastener
It is trip bolt.
8. anesthesia evaporator temperature control valve according to claim 1, it is characterised in that the elastic component is spring, institute
State the outside that spring is set in the regulating part, the lower surface and the spring to the portable plate are stopped in the upper end of the spring
Stop to the upper surface of the lid lower end.
9. anesthesia evaporator temperature control valve according to claim 1, it is characterised in that the thermoinduction piece is the double gold of heat
Belong to piece.
10. anesthesia evaporator temperature control valve according to claim 1, it is characterised in that also including locating part, the limit
Position part is located on the portable plate, and the upper surface of the locating part is slightly above the upper surface of the portable plate.
11. anesthesia evaporator temperature control valve according to claim 1, it is characterised in that the lid and the tank body
Between provided with annular sealing ring.
Priority Applications (1)
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| CN201210581885.XA CN103893897B (en) | 2012-12-27 | 2012-12-27 | Anesthesia evaporator temperature control valve |
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| CN201210581885.XA CN103893897B (en) | 2012-12-27 | 2012-12-27 | Anesthesia evaporator temperature control valve |
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| CN103893897B true CN103893897B (en) | 2017-08-08 |
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| CN107837448A (en) * | 2016-09-21 | 2018-03-27 | 北京毅安峰技术有限公司 | Anesthesia evaporator temperature control valve |
| CN111603382B (en) * | 2020-06-16 | 2022-08-02 | 宁波市中医院 | Ear moxibustion device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4919125A (en) * | 1988-04-27 | 1990-04-24 | Boc Group Plc. | Anaesthetic vaporisers |
| US5168866A (en) * | 1990-01-03 | 1992-12-08 | The Boc Group Plc | Vaporizers usable with anesthetics having a boiling point near the ambient temperature |
| CN1126293A (en) * | 1995-03-02 | 1996-07-10 | 中国人民解放军海军医学研究所 | Automatic distributing regulating valve |
| CN101780302A (en) * | 2009-01-16 | 2010-07-21 | 深圳迈瑞生物医疗电子股份有限公司 | Anesthetic vaporizer and temperature compensation unit |
-
2012
- 2012-12-27 CN CN201210581885.XA patent/CN103893897B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4919125A (en) * | 1988-04-27 | 1990-04-24 | Boc Group Plc. | Anaesthetic vaporisers |
| US5168866A (en) * | 1990-01-03 | 1992-12-08 | The Boc Group Plc | Vaporizers usable with anesthetics having a boiling point near the ambient temperature |
| CN1126293A (en) * | 1995-03-02 | 1996-07-10 | 中国人民解放军海军医学研究所 | Automatic distributing regulating valve |
| CN101780302A (en) * | 2009-01-16 | 2010-07-21 | 深圳迈瑞生物医疗电子股份有限公司 | Anesthetic vaporizer and temperature compensation unit |
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| CN103893897A (en) | 2014-07-02 |
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