CN101438120A

CN101438120A - Heat exchange device

Info

Publication number: CN101438120A
Application number: CNA2007800164832A
Authority: CN
Inventors: W·哈曼; R·孔茨
Original assignee: Hydac System GmbH
Current assignee: Hydac System GmbH
Priority date: 2006-06-03
Filing date: 2007-02-27
Publication date: 2009-05-20
Also published as: DE102006026075A1; WO2007140829A1; EP2024704A1; US20090101322A1

Abstract

Heat exchange device with a plate element (1) which has a shaped part (5) which extends over a heat exchange surface, is of at least partly flexible design and forms a partial boundary of a cavity (13), through which a heat transfer medium can flow and which is tightly closed off on the base side by a web (11) which forms on the heat exchange surface the contact surface for the heat transfer to a body (3), against which body the plate element (1) can be placed, wherein a flexible retaining plate (21) for pressing the plate element (1) against the body (3) rests on that top side of the shaped part (5) which is remote from the heat exchange surface on the base side, and wherein the flexibility of retaining plate (21) and the deformability of shaped part (5) and web (11) on the base side are selected in such a way that the plate element (1) can be adapted to the geometry of the body (3).

Description

Heat-exchange device

Technical field

The present invention relates to a kind of heat-exchange device, comprise that one has the plate of the drip molding that extends on heat-transfer surface.

Background technology

In mechanical device, for example lathe, if do not take cooling measure, because the heat loss of drive unit, the bearing of heavy duty and the temperature rising that can cause part in the supporting member by the thermal source that process causes.In high precision machines, because the distortion that the member heating causes has a strong impact on workpiece size stability.Take cooling very extremely difficult or can not realize, because structural condition does not provide integrated cooling device, for example is used to the hole of the heat-carrying agent that flows or the possibility of passage as precautionary measures.This hole or passage not only cause damaging the bearing capacity of big load member, and cause the raising of mechanical device cost.

Summary of the invention

Given this objective of the invention is, a kind of heat-exchange device be provided, it is characterized in that simple in structure, but therefore can't reduce that is transmit heat on request near the position that produces heat or with the handing-over position of heat-sensitive components as far as possible at the position of hope.

Realize by a heat-exchange device that has claim 1 feature in its general aspect according to this purpose of the present invention.

The present invention is provided with an a flexible air ring pad (perhaps heating ring pad similarly in view of the above, to describing in detail again below this) plate of pattern, it is close on the machine components of (or to be heated) to be cooled, and forms the big contact-making surface that transmits for heat by flexible applying.Thus also can to the inside can not integrated inner cooling system member carry out the part cooling.Also have as special advantage, apparatus of the present invention also can be replenished installation afterwards.Apparatus of the present invention can modular construction, can enlarge neatly by such method and dwindle, and promptly installs and interconnect the plate or the ring pad of desired number, and wherein connecting can be in parallel or in series carry out.

In good embodiment, drip molding can be by elastomer, especially nitrite elastomer NBR constitutes.This drip molding has the flexibility of hope on the one hand, anti-on the other hand heat-carrying agent commonly used, for example water of water-ethylene glycol and band antirust agent.In addition to other fluids of occurring around the plant equipment, resistance is arranged as oil.

The web of bottom surface side that is sealed shut the cavity that is used for heat-carrying agent and is configured for the contact-making surface of heat exchange on drip molding is made of the film of preferably being made up of nitrite elastomer NBR equally with the wall thickness thin in comparison of drip molding.

Be used for plate is pressed on the relevant object in order to exert pressure on it, the fixed head that is attached on the drip molding end face preferably is made of metal sheet.Its thickness can be selected like this, makes it can make the geometric match of plate and object to be cooled with hand, but has the thickness that can transmit necessary thrust simultaneously again.

Can take such layout, promptly heat-transfer surface has at the profile bight rounding, rectangle, and wherein fixed head is extending on the whole surface at heat-transfer surface under the situation in the hole of reserving the input and output passage area that is being used for heat-carrying agent.Therefore what encircle that spacer has a sealing is the shape of the flat board of planar shaped at deformation state not, and wherein only interrupt by the passway that is used for the heat-carrying agent input and output on the flat surface on end face.

Drip molding formation one has along the plate of the continuous planar shaped sealing the margin that extends of heat-transfer surface outward flange in good embodiment, the web of bottom surface side especially is attached on the sealing the margin by bonding, form a seal simultaneously, wherein plate has a distribution of the web dislocation of bottom surface side dorsad in the sealing the margin interior zone, so that form an internal cavities between the web of plate and bottom surface side.Therefore the cavity that is used for heat-carrying agent extends on the whole surf zone except that outside sealing the margin of plate, therefore large tracts of land and quite effectively heat transmission in an advantageous manner.

In good especially embodiment, plate salient point in the outstanding cavity is set on a side of the web of bottom surface side, as the web of bottom surface side and the distance piece between the plate and be used for making the heat-carrying agent miscarriage to give birth to eddy current.Film as the web of bottom surface side is fixed on from cavity to be positioned on the distance of wall regulation on opposite, and the heat-carrying agent that flows is fully mixed, thereby help the raising of efficient equally in cavity by producing eddy current.

Preferably take such layout, promptly plate has and is created on being used for the heat-carrying agent input cavity with from the tube connector joint of cavity output on the end face, and wherein the tube connector joint is inserted in the passway that forms on the fixed head that is close on the end face.The possibility that the pipeline that is distributed on the relevant object to be cooled outside is given to connect easily can be set up the connection between a plurality of plates here without difficulty thus.

The plate that constitutes drip molding is preferably in and forms a flat bearing-surface that is used for fixing plate on its end face in the core territory above cavity, wherein on the sealing the margin that extends along the heat-transfer surface outside, form flange that at least one extends along the marginal zone annular, improve the thrust that applies by fixed head that acts on the sealing the margin to impel at the end face upper process.

Description of drawings

Describe the present invention in detail by means of accompanying drawing below.Accompanying drawing is represented:

-Fig. 1 illustrates the stravismus perspective illustration of the reduced representation of a heat-exchange device embodiment of the present invention, wherein plate be illustrated in one with the state of object wall to be cooled district coupling, the wall district of object only schematically illustrates here;

-Fig. 2 illustrates the stravismus perspective view that is similar to Fig. 1, an example with plate of compared to Figure 1 doing more elongatedly shown in it, the cylindrical outer wall coupling of plate and object;

-Fig. 3 illustrates a stravismus perspective view, and the not deformation state of the plate of Fig. 1 design at a surface plate pressed in expression among the figure;

-Fig. 4 illustrates a stravismus perspective view, and the end face of the only drip molding of the plate in Fig. 3 is seen;

-Fig. 5 illustrates a stravismus perspective view, and the bottom surface of the drip molding in Fig. 4 is seen;

What-Fig. 6 illustrated embodiment among Fig. 3 to 5 illustrates roughly half big or small vertical view of actual form of implementation;

-Fig. 7 illustrates a cutaway view that draws by natural size that is similar to along the line VII-VII of Fig. 6;

-Fig. 8 illustrates corresponding to the subdivision line VIII-VIII among Fig. 6 and is similar to the cutaway view that draws by natural size;

-Fig. 9 illustrates the sectional elevation that roughly is equivalent to the drip molding that the ratio of Fig. 4 draws corresponding to the subdivision line IX-IX among Fig. 4;

What-Figure 10 was illustrated in the zone represented with X among Fig. 9 roughly puts the partial sectional view that twice ratio is drawn to compare with natural size;

-Figure 11 represents the stravismus perspective view that the much smaller ratio of the usefulness of embodiment is drawn, and has been equipped with to be used for plate is attached to geometrical clamp on the unillustrated object.

The specific embodiment

Below by means of the example of air ring pad explanation the present invention, this air ring pad is connected with a unillustrated coolant circulation circuit can be by heat-carrying agent, common heat transport fluid such as water-ethylene glycol or be with the water of antirust agent to flow through for example.As top cutline, heat-exchange device of the present invention also can be used as the zone that is used to the wish heating ring pad of local heat on request, and at this moment plate is connected on the heating system and is flow through by the heat-carrying agent of heating.

Fig. 1 and 2 represents application example, and the plate 1 that wherein constitutes the air ring pad is respectively with the wall part coupling of object 3 and is out of shape, and wherein plate 1 has the profile of step to mate with object 3 in the example of Fig. 1.Fig. 2 represents an example, and wherein plate 1 is compared with the example among Fig. 1 and had the shape of elongating greatly, and is close in the wall district of a cylindrical object 3.In Fig. 1 and 2, omitted the connecting pipe that is used for being attached to the retaining element on the object 3 and is used for the used heat-carrying agent that fluid ability is arranged of input and output respectively.

The chief component of plate 1 embodiment that here will describe is a drip molding that is made of flexible board 5, plate 5 is expression separately in Figure 4 and 5, described plate is particularly totally represented with the vertical view of inclination with in the cutaway view of Fig. 7 and 8 in Fig. 3, and whole is extended on a heat-transfer surface.Plate 5 has the rectangular profile profile of the folding corner region of a band rounding.As relatively the illustrating of Fig. 1 and 2, for the actual state coupling, appearance profile is elongated more or less.In the present embodiment, the plate 5 that plays the drip molding effect is by an elastomer, made by nitrite elastomer NBR under special circumstances.It is favourable adopting this material, because both provided enough flexibilities for the coupling of plate 1 and respective profile with fitting, provides again to external insulation with to the durability of the fluid considered.If plate 1 is made the drip molding of wall thickness in 3 to 5mm scopes in addition, just for example obtain compressive resistance to pressure medium necessity of average 2Bar.

As by Fig. 4,7 and 8 can be clear that like that, plate 5 on its end face, have stagger mutually, be flat wall zone respectively, that is a core that extends on the major part of plate area 7 and surrounds their sealing the margin 9.Shown in Fig. 7 and 8, this planar central part 7 with respect to around sealing the margin 9 stagger by this way, make between the bottom surface of plane of determining by the bottom surface of sealing the margin 9 and core 7, to form a distance.If as the bottom surface on sealing the margin 9 bottom surfaces sealing by the web 11 of a bottom surface side, to be that a film forms in the present embodiment hermetically enclosed, film and sealing the margin 9 bottom surfaces are bonding, so just, form a cavity 13 between core 7 bottom surfaces and web 11, it is as the flow cavity of relevant heat-carrying agent.A large amount of salient points 15 that on the bottom surface of the core 7 of plate 5, are shaped, they are whole mark in the drawings, and in cavity 13 to web 11 direction projections.These salient points 15 had both constituted the isolated component that makes web 11 keep being positioned at cavity 13 the wall same distance on opposite, thereby web 11 when plate 5 is not out of shape and the bottom surface of sealing the margin 9 be distributed in the same plane, and salient point 15 also causes eddy current in heat-carrying agent flowing in cavity 13, and this impels the raising of good mixing and heat transference efficiency.Web 11 on the bottom surface of sealing the margin 9 except that bonding also by means of the unillustrated in the drawings potted component sealing of strip, they are contained in the groove 17 that annular forms on the bottom surface of sealing the margin 9.

On the longitudinal centre line of the rectangle of plate 5, at cavity 13 and the stub area place sealing the margin adjacency, that is in the transition region of core 7 and sealing the margin 9, constitute tube connector joint 19 with plate 5 one, they extend perpendicular to board plane in the example shown.But different according to local conditions and condition of contact, this tube connector joint also can be by being provided with or making crooked or bending with respect to board plane with other inclination angle.At the drip molding that constitutes by plate 5 under the situation that the wall thickness on the whole plate area remains unchanged basically, by being staggered to be provided with respect to heat-transfer surface, core 7 forms cavity 13, heat-transfer surface is determined by the web 11 that is fitted on sealing the margin 9 bottom surfaces, between core 7 end faces and sealing the margin 9 end faces, form a step, as by Fig. 7 to 9 finding.The fixed head 21 that one sheet material form is set is pressed on the part of the fixture on the relevant object 3 as the plate 1 that is used for being used as the air ring pad, the wall thickness of sheet material is selected like this, makes can be out of shape by hand so that plate 1 mates with the outline of relevant object 3.Has the hole 23 of aliging that is used to pass pipe joint with the fixed head 21 that plate 5 areas extend in the same manner with tube connector joint 19 on whole heat-transfer surface.Being close to fixed head 21 on the end face of planar shaped core 7 makes and can be for example by means of the geometrical clamp 25 at overlap joint fixed head 21 edges thrust be delivered to (Figure 11) on the plate 5.

For operation reliably, should be noted that the thrust that produces by fixed head 21 particularly works on sealing the margin 9.Because as mentioned above, the end face of sealing the margin 9 forms step with respect to the plane of core 7 end faces, that is the plane that is fitted on the core 7 with respect to fixed head 21 misplaces, end face and fixed head 9 in sealing strip level 9 have a border body 27 between its bottom surface, it is a separator, thrust passes on the sealing the margin 9 from fixed head 21 by it, sees Fig. 7 and 8.

As the additional special measure that is used for improving the thrust that acts on the sealing the margin 9, on plate 5 end faces, form two

annular lip

29 and 31 to fixed head 21 projections, its location layout can be clear that by the partial view that amplifies greatly of Figure 10.Passing through under thrust that fixed head 21 and annular solid 27 apply and the situation as the flexibility of the plate of being made up of elastomer 5 of drip molding of effect,

flange

29,31 compresses at the duty lower plane of plate 1, sees Fig. 8.As shown in Figure 7, annular lip 29 an only length section of lacking is unsettled in the zone in the hole 23 that is used for tube connector joint 19, is not that the plane compresses at this position therefore.

As mentioned above, in concrete instance, both providing enough compressive resistances roughly in 3 to 5mm scope the time as the wall thickness of the plate 5 of drip molding, if it is a kind of elastomer, the words of NBR for example, deformability is provided again, plate 1 can be mated by the distortion and the relevant object 3 of fixed head 21.The flexibility of plate 1 is not subjected to the influence of closure elements of the formation contact-making surface of bottom surface because it is a flexible web 11 in described example, it can be thin-walled and film shape, for example form of NBR-film.

In order to help heat transmission, whole plate 1 can be attached on the relevant object 3 by means of heat-conducting cream.

Claims

1. heat-exchange device, comprise a plate (1), this plate has a local at least drip molding (15) of making flexibility that extends on heat-transfer surface, this drip molding constitutes the segment boundary of a cavity (13), heat-carrying agent can flow through this cavity, and this cavity is hermetically enclosed by a web (11) at bottom surface side, described web is configured for the contact-making surface with the transmission of object (3) heat on heat-transfer surface, plate (1) can abut on this object, wherein at drip molding (5), being provided with one dorsad on the end face of the heat-transfer surface of bottom surface side is used for plate (1) is pressed on flexible fixed head (21) on the object (3), wherein the deformability of the web (11) of the flexibility of fixed head (21) and drip molding (5) and bottom surface side is selected like this, make plate (1) can with the geometric match of object (3).

2. by the heat-exchange device of claim 1, it is characterized by: formed body (5) is by elastomer, especially nitrite elastomer NBR constitutes.

3. by the heat-exchange device of claim 1 or 2, it is characterized by: the web of bottom surface side (11) is compared the film of doing thinly by one with the wall thickness of drip molding (5), the film of especially being made up of nitrite elastomer NBR constitutes.

4. by each heat-exchange device of claim 1 to 3, under it is special be: fixed head (21) is made of metal sheet.

5. press the heat-exchange device of claim 4, it is characterized by: heat-transfer surface has one at the appearance profile folding corner region rounding, rectangle, and fixed head (21) is reserved under the situation of hole (23) whole surface and extended on heat-transfer surface in the channel region that is used for the heat-carrying agent input and output.

6. by each heat-exchanger rig of claim 1 to 5, it is characterized by: drip molding constitutes a plate (5) with the flat sealing the margin (9) that extends consistently along the heat-transfer surface outward flange, the web of bottom surface side (11) is arranged on this sealing the margin, form sealing simultaneously, plate (5) has the trend of a web away from bottom surface side (11) skew in the inner zone of sealing the margin (9), so that form internal cavities (13) between the web (11) of plate (5) and bottom surface side.

7. press the heat-exchange device of claim 6, it is characterized by: plate (5) salient point (15) to cavity (13) inner process is set on a side of web (11), described salient point is as the web (11) of bottom surface side and the distance piece between the plate (5) and be used for making the heat-carrying agent miscarriage to give birth to eddy current.

8. press the heat-exchange device of claim 7, it is characterized by: plate (5) has the tube connector joint (19) that forms on end face, be used for heat-carrying agent input cavity (13) neutralization is exported from cavity (13), described tube connector joint is passed in the fixed head (21) that is close on the end face and goes up the hole (23) that forms.

9. press the heat-exchange device of claim 8, it is characterized by: plate (5) formation one in the zone (7) in cavity (13) top on its end face is used for fixing the flat bearing-surface of plate (21), on the sealing the margin (9) that extends along the heat-transfer surface outside, has the flange that protrudes in end face (29 that at least one extends along the edge annular, 31), be used for improving the thrust that applies by fixed head (21) act on the sealing the margin (9).

10. by each heat-exchange device of claim 3 to 9, it is characterized by: the film that is provided as the web (11) of bottom surface side is connected with the sealing the margin (9) of drip molding (5) by bonding.