CN104244897B - Heat treatment unit - Google Patents
Heat treatment unit Download PDFInfo
- Publication number
- CN104244897B CN104244897B CN201380016662.1A CN201380016662A CN104244897B CN 104244897 B CN104244897 B CN 104244897B CN 201380016662 A CN201380016662 A CN 201380016662A CN 104244897 B CN104244897 B CN 104244897B
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- China
- Prior art keywords
- bed surface
- heat radiator
- heat
- heating power
- control unit
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 60
- 230000001276 controlling effect Effects 0.000 claims abstract description 3
- 230000000875 corresponding Effects 0.000 description 5
- 238000001514 detection method Methods 0.000 description 3
- 206010020843 Hyperthermia Diseases 0.000 description 2
- 230000036031 hyperthermia Effects 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 230000000474 nursing Effects 0.000 description 2
- 230000036772 blood pressure Effects 0.000 description 1
- 230000002490 cerebral Effects 0.000 description 1
- 230000001143 conditioned Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000000241 respiratory Effects 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
Abstract
It is used to treat neonatal heat treatment unit the present invention relates to one kind, with for accommodating neonatal bed surface (5) and vertical pillar (8) with surrounding edge, pillar is arranged as adjacent with the cephalic par of bed surface (5), and in the heat radiator (3 of bed surface (4) orientation of the fixed multiple directions thereon with surrounding edge, 4), and there is control unit, it is provided for the heating power for controlling multiple heat radiators (3,4).Arranged according to the present invention is, at least one first heat radiator (4) orients towards the half positioned at bed surface cephalic par of bed surface (5), and at least one second heat radiator (3) is towards an other semi-directional for bed surface, and described control unit (9) is provided for, adjust the heating power of the first heat radiator and the second heat radiator, so that in horizontal positioned bed surface (5), the heating power factor default greatly of the heating power of the second heat radiator (3) than the first heat radiator (4).
Description
Technical field
It is used to treat neonatal heat treatment unit the present invention relates to one kind, has and be used to accommodate neonatal putting down with surrounding edge
Lie face and vertical pillar, pillar is arranged as adjacent with the cephalic par of bed surface, and fixed thereon multiple is enclosed towards band
The heat radiator of the bed surface orientation on side, also there is the control unit for the heating power for being provided for controlling these heat radiators.
Background technology
Such as by there is known such a heat treatment unit in the A1 of WO 2009/088607.Vertical pillar is located at lying low
The adjacent position of the cephalic par in face, thereon multiple heat radiators for being arranged as matrix of end bearing.Control unit utilizes multiple temperature
Sensor detection temperature is spent, as the position function in bed surface.Then heat radiator matrix is controlled as follows by control unit,
I.e. so that the whole body of patient keeps uniform temperature.The region that those patients of bed surface do not occupy is by temperature sensor
Detection, and deactivate the corresponding heating element heater in these regions.However, due to needing multiple temperature sensors, this dress
It is set to too high.
It is generally problematic to be, it should to be arranged vertically within the head end of bed surface in order to lay radiating heat system
Above portion, so as to provide position for the cover lid that can be swung up or for X-ray machine.Meanwhile cover lid can lie low covering in
Moved between the closed position and open position in face, on open position, cover lid is located at radiating heat system towards bed surface
Beyond radiant cone.However, when hanging single heat radiator on pillar above cephalic par, realized in bed surface uneven
Heating power because the cephalic par of bed surface changes to the incidence angle between foot portion, in addition, heat radiator and lying low
Spacing between face becomes big from the cephalic par of bed surface to foot portion.
In heat treatment unit described in the B1 of US 6 245 010, symmetrical heat radiator is hanging in cephalic par
On pillar, and towards bed surface.If measured with the test body for meeting IEC 60601-2-21 standards, then so
Arrangement in, due to the temperature difference for producing in bed surface from cephalic par to the change in foot portion 3.2 DEG C.
Heat treatment unit described in the A2 of EP 2 172 175 is fitted also with being suspended on the single heat radiation on pillar
Device, wherein, the heat radiator has asymmetric reflector, and the reflector should compensate bed surface from cephalic par to foot portion
Incidence angle and distance.It has been demonstrated that even if in such a configuration, yet maintained between cephalic par and foot portion
The relatively large temperature difference, if measured using the test body for meeting IEC 60601-2-21 standards, then the temperature difference is about 1.6
℃。
Best existing instrument in use is to make radiating heat system above bed surface and parallel with it,
This instrument can under equal conditions reach about 0.8 DEG C of the temperature difference.However, for the cover lid that can be swung on pillar
For heat treatment unit, this arrangement can not be realized, the cover lid can be in order to be incubated the closed position of operation and in order to open
Nurse and throwing is moved toward between the unlimited position of the radiation path of bed surface.
The content of the invention
It is therefore an object of the present invention to heat treatment unit is constructed as follows so that although heat radiator is arranged on cephalic par
On, heat treatment unit is still able to realize from the cephalic par of bed surface to foot portion temperature control as uniform as possible.
According to the present invention, half positioned at bed surface cephalic par on of at least one first heat radiator towards bed surface
Orientation.Half positioned at foot portion in orientation of at least one second heat radiator towards bed surface.Control unit is arranged to
For when bed surface is horizontal positioned, setting the heating power of the first heat radiator and the second heat radiator as follows, that is, cause
The heating power of second heat radiator factor more default greatly than the heating power of the first heat radiator.
With reference to the present invention, heat radiator is interpreted as to the heating system of hyperthermia radiation device form, it mainly passes through heat
Heating is realized in radiation.In hyperthermia radiation device, the heating coil for having electric current to pass through heats up, or is preferably with reference to the present invention
There are the heating rod heating that electric current passes through, and the thus radiations heat energy in the form of infrared-ray.Heating rod is partly by reflector
Surround, the reflector is towards a preferable direction focusing infrared-ray.
Heat radiator towards bed surface desired half orient, this expression it is meant that heat radiator as follows
Infra-red radiation is focused on, that is, is caused in the plane that lies low, maximum power density is located in that desired half bed surface.Infrared spoke
The power density penetrated is defined as lying low the power that per unit area in plane is injected, corresponding to intensity.In fact, heat radiator court
Also imply that the power density that heat radiator adds up in this half of bed surface is more than at second half to certain half of bed surface orientation
The power density added up in bed surface.
As long as the first and second heat radiators mentioned with reference to the present invention, do not represent and there must be two individually
Structural unit.But can also focus on the first and second heating rods in one structural unit in the case where powering respectively,
Wherein, the reflector of the first and second heat radiators can be grouped as a component.
In a kind of advantageous embodiment, predetermined factor is selected as follows, even if during proper bed surface horizontal alignment,
Change of the power density of heat radiation in bed surface is minimum.
It is arranged in a kind of advantageous embodiment, adjusts the first heat radiator so that heat radiation focuses on as follows
In bed surface so that the power density of the first heat radiator raises from foot portion to cephalic par, and adjusts the second heat radiator,
So that heat radiation is focused in bed surface as follows so that the power density of the second heat radiator is from cephalic par to foot portion liter
It is high.The opposite of the power density of two heat radiators can be realized as follows by the asymmetric sizing of minute surface inverse type of reflector
Gradient, that is, change of the power density summation in bed surface for causing the first and second heat radiators is minimum.
In open nursing, it is often desirable to which bed surface is set with being inclined by together with child, so as to allow respiratory passage unblocked simultaneously
And reduce cerebral blood pressure.In a kind of advantageous embodiment, control unit is also arranged for lying low by sensor detection
The obliquity of face with respect to the horizontal plane, and adding for the first heat radiator is adjusted as follows previously according to the angle of obliquity
Thermal power and the ratio of the heating power of the second heat radiator, that is, change of the intensity of heat radiation in bed surface is caused to minimize.
In addition, can also be provided that in open nursing, bed surface is transported upwards relative to the side wall for surrounding bed surface
It is dynamic, so as to thus better contact with child.In another embodiment, control unit is also arranged for passing through sensor
The height change of bed surface is detected, and the first heat radiator is adjusted according to its predetermined relation with the height of regulation as follows
With the heating power of the second heat radiator, that is, make it that distribution of previously positioned, heating power the intensity in bed surface is basic
It is upper to keep constant.
First heat radiator can be oriented intensively towards the half positioned at bed surface cephalic par of bed surface, and the
Two heat radiators can be intensively towards another semi-directional of bed surface.However, it have proved that advantageously, corresponding heat radiation
Device is not accurate medially towards its corresponding half orientation, but is slightly spaced so that in the interposition of bed surface
Strong heating power will not be formed because of the overlapping of the radiant cone of two heat radiators by putting.
Preferably just use two heat radiators.However, the heat radiator of three or more can certainly be set.
Brief description of the drawings
The present invention is described in conjunction with the accompanying by embodiment below, wherein：
Fig. 1 shows the schematic side elevation of heat treatment unit,
Fig. 2 shows the schematic side elevation of the heat treatment unit with the bed surface being obliquely installed,
Fig. 3 shows the profile of the heat radiator with symmetrical, parabolic reflector, and
Figure 4 illustrates the section of the heat radiator of reflector with two mutually embedded other side, spiral-shaped
Figure.
Embodiment
Shown heat treatment unit 1 has the bed surface with surrounding edge in Fig. 1, and vertical pillar 8 is arranged in its cephalic par.
Vertical pillar 8 vertically carries the first heat radiator 4 and the second heat radiator 3 above cephalic par region.First heat
The Central Line of radiator 4 orients towards the center 5 of the half positioned at cephalic par of bed surface.The court of second heat radiator 3
Oriented to second half center 2 of bed surface 6.Control unit 9 is connected with the first heat radiator 4 and the second heat radiator 3,
For setting their heating power.Control unit 9 is provided for, bed surface horizontally toward when, with full power (100%)
Run the second heat radiator 3, and the first heat radiator 4 by control unit 9 with reduction, about 80% power in a pulsed fashion
Run (getaktet).By this way so that larger center incident angle and first heater 4 and bed surface it is small between
Away from being compensated.If the necessary general power of heat radiator 3,4 is smaller, then two radiators relation 8 in the same scale:
10 or control lower.
The lowering or hoisting gear 16 controlled by control unit is placed in bed surface 6.By in a same direction with same
Size operation lowering or hoisting gear, can set bed surface 6 relative to surround its side wall height set.Thus, it is possible to such as phase
Bed surface is lifted for side wall, so as to the child for being achieved in better contacting with bed surface.Control unit 9 can set use
According to the heating power of the height of bed surface setting the first and second heat radiators 4 and 3 of regulation, so that in bed surface
Radiation intensity keeps constant.
Heat treatment unit shown in figure 2 is not used to set the lowering or hoisting gear of bed surface height level, but be to provide with
Lower possibility, i.e., make its inclination, such as the cephalic par as illustrated by bed surface by swinging bed surface around axle 13
It is placed in higher position.In this case, the cephalic par of bed surface come with the closer proximity of the first heat radiator 4, from
And relative to the heating power of the second heat radiator 3 heating power of first heat radiator 4 can be set lower, such as with
7:10 ratio.Sensor 10 is set in the embodiment shown, and it detects the number of degrees of the obliquity of bed surface.Control unit 9
It is provided for, is adjusted as follows by control signal maker 11 and 12 according to the number of degrees of the obliquity of the bed surface detected
The proportionate relationship of the heating power of first and second heat radiators 4,3, even if change of the heating power in bed surface reaches most
It is small.
Certainly, the controllability of the height level of bed surface as shown in Figure 1 and bed surface as shown in Figure 2 are put
Dynamic property can also combine realization.
Figure 3 illustrates the profile of heat radiator, its heating rod 21 orients towards central axis.Reflector 20 has
Symmetrically, the shape of parabolic, its focus is in the axis of heating rod.It is however, preferably used according to the invention asymmetric
Reflector, these reflectors be conditioned for produce radiation density from cephalic par to the gradient in foot portion.Therefore, following is anti-
Emitter moulding is suitable, i.e., their cross section has screw type shape, and has on relatively small side
There is heating rod, and it is more and more remote from heating rod on the path towards opposite side.Show that one is shown in cross sectional view in fig. 4
The example of meaning property.Heat radiator 3,4 has reverse asymmetrical reflector 20 respectively, that is to say, that they towards another
There is corresponding heating rod 21 on the side of heat radiator, this lateral extent is short and aggressive bend, wherein, this distance towards
It is increasing on the path of opposite side, while radian reduces.
Reference numerals list：
1 heat treatment unit
The centre position of the half positioned at cephalic par of 2 bed surfaces
3 second heat radiators
4 first heat radiators
The centre position of the half positioned at foot portion of 5 bed surfaces
6 bed surfaces
9 control units
10 obliquity sensors
11 control signal makers
12 control signal makers
13 swinging axles
16 lowering or hoisting gears
20 reflectors
21 heating rods
Claims (4)
1. one kind is used to treat neonatal heat treatment unit, has and be used to accommodate the neonatal bed surface (5) with surrounding edge and hang down
Straight pillar, the pillar are arranged as adjacent with the cephalic par of the bed surface (5) and fixed multiple on the pillar
Towards the heat radiator (3,4) of the bed surface (5) orientation with surrounding edge, the pillar, which also has, to be provided for controlling multiple institutes
State the control unit of the heating power of heat radiator (3,4), it is characterised in that at least one first heat radiator (4) is towards institute
The half positioned at the bed surface cephalic par for stating bed surface (5) orients, and at least one second heat radiator (3) direction
The half positioned at foot portion of the bed surface is oriented, and described control unit is provided for, and adjusts the first hot spoke
The heating power of emitter and second heat radiator so that in the horizontal positioned bed surface (5), described second
The heating power of heat radiator is than the heating power factor default greatly of first heat radiator (4), the control
Unit processed is also arranged for detecting the obliquity of the bed surface (5) with respect to the horizontal plane by sensor, and in advance
The heating power of first heat radiator and second heat radiator are adjusted according to the angle of the obliquity
The proportionate relationship of the heating power so that the change of the intensity of the heat radiation in the bed surface minimizes.
2. heat treatment unit according to claim 1, it is characterised in that regulation first heat radiator so that the heat
Radiation is focused in the bed surface so that power density raises from foot portion to cephalic par, and adjusts the described second hot spoke
Emitter so that heat radiation is focused in the bed surface so that the power density raises from cephalic par to foot portion, so that
Obtain the change of the power density summation of first heat radiator and second heat radiator in the bed surface
Minimize.
3. heat treatment unit according to claim 1 or 2, it is characterised in that lowering or hoisting gear (16) is arranged to be placed in described
In bed surface, and described control unit is provided for, can by operate the lowering or hoisting gear make the bed surface relative to
The side wall for surrounding the bed surface moves up, and to be derived to the more preferable contact of child, and can make described lie low
Face moves down again.
4. heat treatment unit according to claim 3, it is characterised in that exist and set for detecting the height of the bed surface
Sensor, and described control unit (9) also sets up and is used for, and passes through the height that the sensor detects the bed surface
Setting, and previously according to height setting regulation first heat radiator (4) and the institute of second heat radiator (3)
State heating power so that the intensity distribution of the previously positioned heating power keeps constant in the bed surface.
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102012006199.4 | 2012-03-27 | ||
| DE102012006199 | 2012-03-27 | ||
| DE102012214678.4 | 2012-08-17 | ||
| DE102012214678A DE102012214678B3 (en) | 2012-03-27 | 2012-08-17 | Heat therapy device for treatment of newborns, comprises bordered lying surface and vertical support column arranged adjacent to head end of lying surface, where control unit is arranged for controlling heat output of radiant heaters |
| PCT/EP2013/050885 WO2013143716A1 (en) | 2012-03-27 | 2013-01-18 | Heat therapy appliance |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104244897A CN104244897A (en) | 2014-12-24 |
| CN104244897B true CN104244897B (en) | 2018-02-09 |
Family
ID=
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2452482Y (en) * | 2000-11-17 | 2001-10-10 | 三丰医疗器材股份有限公司 | Baby-incubator bed with functions of lifting, inclined, and sliding movement |
| EP1764071A2 (en) * | 1998-06-29 | 2007-03-21 | Datex-Ohmeda Inc. | Infant care apparatus |
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1764071A2 (en) * | 1998-06-29 | 2007-03-21 | Datex-Ohmeda Inc. | Infant care apparatus |
| CN2452482Y (en) * | 2000-11-17 | 2001-10-10 | 三丰医疗器材股份有限公司 | Baby-incubator bed with functions of lifting, inclined, and sliding movement |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20151204 Address after: Lubeck Applicant after: DRAGER MEDICAL GMBH Address before: Lubeck Applicant before: Draeger Medical AG. & Co. KG |
|
| GR01 | Patent grant |