JP3218914U - Lighting tool heat dissipation device - Google Patents

Abstract

The present invention provides a heat dissipating device for a heat sink which dissipates the heat of a light source module to the outside by means of a first hollow tube and a second hollow tube, and achieves a more effective heat dissipating effect on a heat dissipating device for a lighting tool. A lighting tool heat dissipation device 10 includes a housing 1, a heat dissipation module, and a light source module 3. An opening 11 is formed in the housing 1. The heat dissipation module is housed in the housing 1 and the heat dissipation module includes a heat conductive component. The thermally conductive component comprises a substrate, the substrate comprising a first area and a second area surrounding the first area perimeter. One surface of the first area is provided with a mounting surface, and the other surface is extended by the first hollow tube of the second number, and the opposite sides of the second area are extended with the second hollow tube of the second number. The light source module 3 is thermally attached to the mounting surface and forms the opening 11. [Selected figure] Figure 9

Description

  The present invention relates to a lighting fixture structure, and more particularly to a lighting fixture heat dissipation device.

  Light-emitting diodes (LEDs) are well-accepted in the market because they have the advantages of high brightness, low power consumption and long service life. Furthermore, as the module of the light emitting diode configuration becomes higher in power, the light emitting diode is applied to various lighting equipments, and has become a light source meeting the theme of environmental protection.

Utility model registration No. 3160000 gazette

  However, light emitting diodes suffer from the following disadvantages because they are used in high wattage lighting fixtures. Since the high power LED light source generates high temperature and heat, if the temperature of the light emitting diode and the electronic component in the high wattage lighting equipment rises without interruption, the light emitting diode and the electronic component will be shorted or broken, Reduce the service life of high wattage lighting fixtures. Therefore, how to dissipate heat from high wattage lighting is a very important issue.

  In view of the above, the present inventor aims to ameliorate the above-mentioned problems with the above-mentioned current technology.

  The present invention includes a housing, a heat dissipation module and a light source module. An opening is formed in the housing. The heat dissipation module is housed in a housing, and the heat dissipation module includes a heat conducting component. The thermally conductive component comprises a substrate, the substrate comprising a first area and a second area surrounding the first area perimeter. One surface of the first area is provided with a mounting surface, and the other surface is extended by the first hollow tube of the second number, and the opposite sides of the second area are extended with the second hollow tube of the second number. The light source module is mainly characterized in that it is heat-bonded to the mounting surface and an opening is formed.

  The lighting fixture heat dissipation device of the present invention has an advantage that the heat quantity of the light source module is released to the outside by the first hollow tube and the second hollow tube, and the heat dissipation effect is further improved.

FIG. 1 is an exploded view of a first embodiment of a heat dissipating device according to the present invention; FIG. 6 is another exploded view of the first embodiment of the heat dissipating device according to the present invention; FIG. 1 is a three-dimensional assembly view of a first embodiment of a heat dissipating device according to the present invention. FIG. 6 is another exploded view of the first embodiment of the heat dissipating device according to the present invention; FIG. 1 is a cross-sectional view of a first embodiment of a heat dissipating device according to the present invention; FIG. 3 is a perspective view of a second embodiment of the heat dissipating device according to the present invention; FIG. 5 is another three-dimensional assembly view of the second embodiment of the light-radiating device heat-radiating device of the present invention. FIG. 5 is a cross-sectional view of a second embodiment of the light-radiant device according to the present invention. It is a three-dimensional assembly view of a third embodiment of the heat dissipating device according to the present invention. FIG. 7 is another three-dimensional assembly view of the third embodiment of the heat dissipating device according to the present invention; It is a cross-sectional indication figure of the 3rd example of the lighting equipment heat dissipation device of the present invention. It is a three-dimensional indication figure of the lighting equipment heat dissipation device example 4 of the present invention.

  SUMMARY OF THE INVENTION It is an object of the present invention to provide a heat dissipating device for a lamp which emits heat of the light source module to the outside with the first hollow tube and the second hollow tube and achieves a further excellent heat dissipating effect.

  In order to achieve the above-mentioned object, the present invention provides a lighting device heat dissipation device. It includes a housing forming an opening, a heat radiation module housed in the housing, and a light source module thermally bonded to the installation surface and forming the opening. Wherein the heat dissipation module includes a thermally conductive component, which includes a substrate, the substrate includes a first area and a second area surrounding the first area, and one surface of the first area includes an installation surface The other surface extends the first hollow tubes of the second number, and the opposite surfaces of the second area extend the second hollow tubes of the second number together.

  In order to achieve the above-mentioned object, the present invention provides a lighting device heat dissipation device. It includes a housing in which an opening is installed, a heat dissipation module housed in the housing, and a light source module thermally bonded to the installation surface and forming the opening. Among them, the heat dissipation modules overlap each other on the top and bottom, and include a substrate. Each of the substrates comprises a first area and a second area surrounding the periphery of the first area, one surface of each of the first areas is provided with a mounting surface, and the other surface is extended with a plurality of first hollow tubes. The two opposing surfaces of each of the second areas extend together with the second hollow tubes of the plurality, the two installation surfaces being disposed on the outside of the two thermally conductive parts, and the first hollow tubes of the plurality being inside It includes two thermal electric parts to be arranged, and a plurality of heat pipes of packing type respectively inserted and installed in each of the first hollow pipes at both ends.

  Although the detailed description and technical contents of the present invention will be described below together with the drawings, the drawings are for the purpose of describing the application and are not intended to limit the present invention.

  As shown in FIGS. 1-5, the present invention provides a first embodiment of a lighting device heat dissipation device. The heat dissipating apparatus 10 mainly includes a housing 1, a heat dissipating module 2 and a light source module 3.

  As shown in FIGS. 1 to 5, the housing 1 is provided with the opening 11, and the housing 1 includes the lower housing 12 and the cover plate 13 which are mutually set. The lower housing 12 is provided with a bottom plate 121 and an outer circumferential annular plate 122, and the concave plate 1211 extends inwardly toward the middle of the bottom plate 121, the opening 11 is installed from the bottom wall of the concave wedge 1211, and the outside of the outer circumferential annular plate 122 is The radiation fins 123 are connected. The one end of the outer peripheral annular plate 122 remote from the bottom plate 121 has the convex annular piece 1222 extending outward, the convex annular piece 1222 has the first lock hole 1223 of the reciprocated number, and the lid plate 13 has the second lock hole of the reciprocated number A fixed frame 133 is connected to one surface of the cover plate 13 far from the heat dissipation module 2.

  In addition, the housing 1 further includes a first screw 14 of a multiple number and a second screw 15 of a multiple number. The respective first screws 14 are fixed by the respective first lock holes 1223 and the respective second lock holes 132, whereby the lower housing 12 and the lid plate 13 are assembled in an upper and lower pair.

  As shown in FIG. 1 to FIG. 2 and FIG. 4 to FIG. 5, the heat dissipation module 2 is stored between the lower housing 12 and the cover plate 13. That is, the heat radiation module 2 is to be stored inside the housing 1, and the heat radiation module 2 includes the heat conductive component 21, the heat pipe 22 of the multiple number and the vapor chamber 23.

  Further description will be made below. The thermally conductive component 21 comprises a substrate 210. The substrate 210 includes a first area 211 and a second area 212 surrounding the periphery of the first area 211, and one surface of the first area 211 includes an installation surface 2111. In the other surface, a plurality of first hollow tubes 2113 extend, and each heat tube 22 is inserted into each first hollow tube 2113 in a packing manner. The opposite surfaces of the second area 212 extend together with a plurality of second hollow tubes 2121, and each second hollow tube 2121 penetrates the substrate 210. Thereby, the inside of each second hollow tube 2121 is provided with the air flow passage 2122.

  Among them, the bottom plate 121 and the cover plate 13 respectively install the first vent holes 124 of the multiples arranged corresponding to the air flow paths 2122 of the multiples, and the outer peripheral annular plate 122 is used for the second hollow tubes 2121 of the multiples. The heat dissipation capacity of the second hollow tube 2121 is improved by installing the correspondingly arranged second vent holes 125.

  In addition, the installation surface 2111 is provided with a plurality of first positioning holes 2115, and the bottom wall of the recessed portion 1211 is provided with a second positioning hole 1213. The respective second screws 15 are fixed by the respective first positioning holes 2115 and the respective second positioning holes 1213, whereby the lower housing 12 and the thermally conductive component 21 are combined into one set. In addition, in the installation surface 2111, a first hole 2116 of multiple number and a second hole 2117 of multiple number are drilled.

  As shown in FIGS. 1 to 5, the light source module 3 is thermally attached to the installation surface 2111 and forms the opening 11. The light source module 3 includes an LED light source 31, a lens light cover 32, an annular light cover 33, a first fixed part 34 of multiples and a second fixed part 35 of multiples, and the lens light cover 32 has a first fixed hole of multiples. 321 and a plurality of second fixing holes 322 are formed, and the annular light cover 33 is formed with a third fixing hole 331 of the plurality. Each first fixing part 34 is fixedly installed in each first hole 2116 and each first fixing hole 321. Thereby, the lens light cover 32 is fixed to the installation surface 2111, and each second fixing component 35 is fixed to each second hole 2117, each second fixing hole 322, and each third fixing hole 331. Thereby, the annular light cover 33 is fixed to the lens light cover 32, the vapor chamber 23 is interposed between the installation surface 2111 and the lens light cover 32, and the LED light source 31 is between the vapor chamber 23 and the lens light cover 32. It is pinched by

  The assembly of the heat radiation device 10 of the present invention forms an opening 11 in the housing 1. The heat dissipation module 2 is housed in the housing 1, the heat dissipation module 2 includes the heat conductive component 21, and the heat conductive component 21 includes the substrate 210. The substrate 210 includes a first area 211 and a second area 212 surrounding the first area 211. One surface of the first area 211 is provided with an installation surface 2111, the other surface is extended by the first hollow tube 2113, and the opposite surfaces of the second area 212 are extended together with the second hollow tubes 2121 of multiple numbers. The light source module 3 is thermally attached to the installation surface 2111 and forms the opening 11.

  In the use condition of the lighting device heat dissipation device 10 of the present invention, it is thermally stuck to the installation surface 2111 by the light source module 3. The heat quantity of the LED light source 31 is uniformly dissipated to the outside by the first hollow tube 2113 and the second hollow tube 2121. Among them, the inside of each second hollow tube 2121 is provided with an air flow passage 2122, and the second hollow tube 2121 is uniformly distributed on both sides of the heat conductive component 21 and the outer peripheral edge of the light source module 3 Is dissipated more uniformly, and the lighting device heat dissipation device 10 has excellent heat dissipation effect.

  In addition, the heat dissipation module 2 further includes multiple heat pipes 22. Each heat pipe 22 is inserted and installed in each first hollow pipe 2113 in a packing type, and the heat quantity of the LED light source 31 is further dissipated to the outside speedily through the heat pipe 22 to further enhance the heat dissipation efficiency of the lighting tool heat dissipation device 10.

  6 to 8 show a second embodiment of the lighting device heat dissipation device 10 of the present invention. Although the second embodiment and the first embodiment are substantially the same, the second embodiment differs from the first embodiment in that the number of heat conductive parts 21 is two.

  Details are shown below. The two heat conductive parts 21 are accommodated inside the housing 1 and overlap each other vertically. Each thermally conductive component 21 includes a substrate 210, and each substrate 210 includes a first area 211 and a second area 212 surrounding the first area 211. One surface of each first area 211 is provided with an installation surface 2111, and the other surface is extended with a plurality of first hollow tubes 2113, and both surfaces of each second area 212 are combined with the second hollow tubes 2121 of the plurality The two mounting surfaces 2111 extend outside the two heat conductive parts 21, and the first hollow tubes 2113 of the second number move inside the two heat conductive parts 21. Both ends of the heat pipe 22 of the multiple number are inserted and installed in the respective first hollow pipes 2113 in a packing type. Accordingly, the same function and effect as the first embodiment are achieved.

  In addition, the housing 1 of the present embodiment includes the lower housing 12 and the upper housing 16 which are mutually set. The heat dissipation module 2 is disposed between the lower housing 12 and the upper housing 16, the upper housing 16 includes a top plate 161 and an outer annular plate 162, and the middle portion of the top plate 161 extends inward and is recessed downward. It has 1611. The bottom wall of the lower recess 1611 connects the fixed frame 133 ', the ring piece 1621 extends outward at one end far from the top plate 161 of the outer annular plate 162, and the ring piece 1621 A plurality of first positioning holes 2115 'of multiples are drilled in each installation surface 2111, and second bottom holes 1213' of the plurality of drillings are drilled in bottom walls of the recess 1211 and the lower recess 1611 respectively. Do.

  Among them, the outer periphery annular plate 122 and the outside of the outer annular plate 162 respectively connect the radiation fins 123 'of the multiple number, and the bottom plate 121 of the lower case 12 and the top plate 161 of the upper case 16 are air flow paths of the multiple number. A plurality of first vents 124 'arranged corresponding to 2122 are respectively installed. The outer circumferential annular plate 122 of the lower housing 12 and the outer annular plate 162 of the upper housing 16 are provided with a plurality of second vent holes 125 'of the plurality arranged corresponding to the second hollow tubes 2121 of the plurality, Accordingly, the heat dissipation capacity of the second hollow tube 2121 is improved.

  The housing 1 further includes a plurality of first screws 14 '. The respective first screws 14 'are fixed by the respective first screw holes 1224 and the respective second screw holes 1622, and the lower housing 12 and the upper housing 16 are assembled into a set of upper and lower parts.

  In addition, the housing 1 further includes a plurality of second screws 15 '. The respective second screws 15 'are fixed by the respective first positioning holes 2115' and the respective second positioning holes 1213 '. As a result, the thermally conductive component 21 and the lower housing 12 are combined into one. Another heat conductive component 21 and one upper housing 16 are combined.

  In addition, compared with the first embodiment, the second embodiment further connects the two heat conductive parts 21 by the heat pipe 22 and further stably conducts heat from the heat pipe 22 to the two heat conductive parts 21. The lighting device heat dissipation device 10 of the present invention adjusts the amount of heat of the LED light source 31 by the number of heat conductive components 21 and the light fixture heat dissipation device 10 has an advantage that it is easy to adjust the number of heat conductive components 21 and heat dissipation area. Equipped with

  FIGS. 9 to 12 show the third and fourth embodiments of the heat dissipating device 10 according to the present invention. The third and fourth embodiments and the second embodiment are substantially the same, but the third and fourth embodiments differ from the second embodiment in that the heat dissipation module 2 further includes one or more intermediate heat conducting components 24. To include.

  Furthermore, the intermediate heat transfer component 24 is superimposed between the two heat transfer components 21, and the intermediate heat transfer component 24 comprises a main plate 240. The main plate 240 includes a third area 241 and a fourth area 242 surrounding the third area 241. Both opposing surfaces of the third area 241 have a plurality of joint pipes 2411 extending through the main plate 240 and the opposing surfaces of the fourth area 242 both extend through the main plate 240. An empty tube 2421 extends, and the middle of each heat tube 22 is inserted and installed in each joint tube 2411 by packing.

  In addition, the housing 1 includes a plurality of support columns 17. The convex annular piece 1222 of the lower housing 12 has a first insertion hole 1225 of a multiple, and the ring piece 1621 of the upper housing 16 has a second insertion hole 1623 of the second, and Both ends of the support column 17 are inserted and installed in the first and second insertion holes 1225 and 1623, respectively, and are installed so as to surround the outer periphery of the intermediate heat conducting component 24.

  Among them, as shown in FIG. 9 to FIG. 11, the number of intermediate heat conduction parts 24 of the third embodiment is one. As shown in FIG. 12, the number of intermediate heat transfer components 24 of the third embodiment is a multiple. Therefore, in the lighting tool heat radiating device 10 of the present invention, one or more intermediate heat conducting parts 24 may be additionally provided between the two heat conducting parts 21, and the heat pipe 22 makes the two heat conducting parts 21 and the intermediate heat By connecting the conductive parts 24 and conducting heat, the heat quantity of the LED light source 31 is adjusted by the number of the intermediate heat conductive parts 24, and the heat radiation of the third hollow tube 2421 and the heat radiation area is expanded. The number of heat conducting components 24, the heat radiation area can be easily adjusted, and the heat radiation efficiency can be enhanced.

  As described above, the lighting device heat dissipation device of the present invention achieves the intended purpose of use and ameliorates the known drawbacks, and further provides the industrial utility and novelty and inventive step, thus meeting the requirements for utility model registration. It agrees.

DESCRIPTION OF REFERENCE NUMERALS 10 light fixture heat dissipation device 1 housing 11 opening 12 lower housing 121 bottom plate 1211 recessed portion 1213 second positioning hole 1213 1 second positioning hole 122 outer ring plate 1222 convex annular piece 1223 first lock hole 1224 first screw hole 1225 First insertion hole 123 Heat radiation fin 123 'Heat radiation fin 124 First air vent 124' First air vent 125 Second air vent 125 'Second air vent 13 Cover plate 132 Second lock hole 133 Fixing frame 133' Fixing frame 14 Second frame One screw 14 'First screw 15 Second screw 15' Second screw 16 Upper housing 161 Top plate 1611 Lower concave ridge 162 Outer annular plate 1621 Ring piece 1622 Second screw hole 1623 Second insertion hole 17 Support pillar 2 Heat dissipation Module 21 heat conductive component 210 substrate 211 first area 2111 installation surface 2113 first hollow tube 2115 first orientation hole 2115 'first orientation 2116 first perforation 2117 second perforation 212 second area 2121 second hollow tube 2122 air flow passage 22 heat pipe 23 vapor chamber 24 intermediate heat conduction component 240 main plate 241 third area 242 fourth area 2411 joint pipe 2421 third hollow Tube 3 Light source module 31 LED light source 32 Lens light cover 321 First fixing hole 322 Second fixing hole 33 Annular light cover 331 Third fixing hole 34 First fixing part 35 Second fixing part

Claims (15)

A housing for installing the opening;
A heat radiation module stored in the housing;
In a luminaire heat dissipating device including a light source module thermally bonded to an installation surface and forming the opening,
The heat dissipation module includes a thermally conductive component, which includes a substrate, the substrate includes a first area and a second area surrounding the first area, and one surface of the first area includes an installation surface, An illuminator heat dissipating device characterized in that the surface extends a first hollow tube of a number of turns, and the opposite sides of the second area extend a second hollow tube of a number together.   The heat dissipating apparatus according to claim 1, wherein the heat dissipating module further includes a plurality of heat tubes, and the heat tubes are inserted into the first hollow tubes in a packing manner.   The housing includes a lower housing and a lid plate set relative to each other, the heat dissipation module is disposed between the lower housing and the lid plate, the lower housing includes a bottom plate and an outer circumferential annular plate, and the bottom plate In the middle, the recess extends inward, the opening is formed from the bottom wall of the recess, the outside of the outer peripheral annular plate is connected with the radiation fins of the multiple number, and one surface of the lid plate far from the heat radiation module is The apparatus according to claim 1, wherein the fixed frames are connected.   Each of the second hollow tubes penetrates the substrate, thereby providing an air flow passage inside each of the second hollow tubes, and the bottom plate and the cover plate correspond to the air flow passages of the plurality A plurality of first vents of the plurality of turns disposed, and the outer annular plate is provided with a second vent of the turns disposed corresponding to the second hollow tube of the number of turns. The lighting device heat dissipation device according to claim 3.   The housing further includes a plurality of first screws, and one end of the outer peripheral annular plate remote from the bottom plate extends a convex annular piece, and the convex annular piece has a plurality of first locking holes formed therein. The cover plate has a plurality of second lock holes formed therein, and the first screws are fixed to the first lock holes and the second lock holes, respectively. Lighting tool heat dissipation device.   The housing further includes a second number of second screws, the first setting hole is drilled in the installation surface, and a bottom wall of the indent is formed with a second number positioning hole. The heat dissipating apparatus according to claim 3, wherein each of the second screws is fixed to each of the first orienting holes and each of the second orienting holes.   The mounting surface is provided with a plurality of first perforations and a plurality of second perforations, the heat dissipation module further includes a vapor chamber, the light source module includes an LED light source, a lens light cover, an annular light cover, a plurality of The lens light cover comprises a first fixed part and a second fixed part of the number, and the lens light cover has a first fixed hole of the number and a second fixed hole of the number, and the annular light cover has a third portion of the number Fixing holes are formed, each first fixing part is fixed by each first hole and each first fixing hole, each second fixing part is fixed to each second hole, each second fixing hole and each second fixing hole Each of the third fixing holes is fixed, and the vapor chamber is sandwiched between the mounting surface and the lens light cover, and the LED light source is sandwiched between the vapor chamber and the lens light cover. The lighting fixture heat dissipation device according to claim 1. A housing for installing the opening;
A heat radiation module stored in the housing;
In a luminaire heat dissipating device including a light source module thermally bonded to an installation surface and forming the opening,
The heat dissipating modules are superimposed on top and bottom with each other and comprise a substrate,
The substrate comprises a first area and a second area surrounding the first area perimeter,
One side of the first area has an installation surface,
Another face of the first area extends a plurality of first hollow tubes,
A plurality of second hollow tubes extend together on opposite sides of the second area,
A thermally conductive component, wherein the mounting surface is disposed outside the thermally conductive component, and the plurality of first hollow tubes are disposed inside the thermally conductive component;
What is claimed is: 1. A heat dissipating device according to claim 1, further comprising: a plurality of heat pipes, each of which is a packing type and is inserted into the first hollow pipe.   The housing includes a lower housing and an upper housing which are mutually set, and the heat dissipation module is disposed between the lower housing and the upper housing, and the lower housing is provided with a bottom plate and an outer peripheral annular plate. The bottom plate middle has the recess extending inwards, the opening is formed from the bottom wall of the recess, the upper case has a top plate and an outer annular plate, and the middle of the top plate is a bottom recess The bottom wall of the lower recess is connected to a fixed frame, and the outer ring plate and the outside of the outer ring plate are connected to a plurality of radiation fins respectively. Lighting fixture heat dissipation device.   The heat dissipation module further includes at least an intermediate heat transfer component, the intermediate heat transfer component being overlapped between the heat transfer components, the intermediate heat transfer component comprising a main plate, the main plate being a third area, and A third area is provided with a fourth area surrounding the outer periphery, and the opposite sides of the third area both extend through a plurality of joint pipes penetrating the main plate, and the opposite sides of the fourth area are also the main 10. The apparatus according to claim 9, wherein a plurality of third hollow tubes extending through the plate extend, and the heat pipes are inserted into the joint tubes in the middle of the heat tubes.   The housing includes a plurality of support columns, and one end of the outer peripheral annular plate remote from the bottom plate extends a convex annular piece, and the convex annular piece is formed with a first plurality of insertion holes of the multiple number The ring piece extends outwards at one end of the outer annular plate remote from the top plate, and the ring piece pierces the second insertion hole of the multiple number, and both ends of the multiple number of the support column are the multiple number The apparatus according to claim 10, wherein the apparatus is inserted into the first insertion hole and the second insertion hole of the plurality, respectively, and is installed so as to surround the outer periphery of the intermediate heat conduction component.   Each of the second hollow tubes penetrates the substrate, thereby forming an air flow passage inside each of the second hollow tubes, and the bottom plate and the top plate correspond to the air flow passages of the number. First vents of the plurality of turns arranged respectively, and the outer annular plate and the outer annular plate respectively set the second vents of the number of turns arranged corresponding to the second hollow tube of the turns The heat-radiating device according to claim 9, characterized in that:   The housing further includes a plurality of first screws, and an end of the outer ring plate remote from the bottom plate extends a convex annular piece, and the convex annular piece is formed with a plurality of first screw holes. And an end of the outer annular plate remote from the top plate extends a ring piece outward, the ring piece drills a plurality of second screw holes, and each of the first screws is in each of the first screw holes The heat-radiating device as set forth in claim 9, wherein the second screw holes are fixed.   The housing further includes a second number of second screws, and the installation surface is provided with a first number of first positioning holes, and the recess and the bottom wall of the lower gutter are the second number of positioning holes. The heat dissipating apparatus according to claim 9, wherein the second screw is fixed to each of the first positioning holes and the second positioning holes.   The mounting surface disposed adjacent to the opening drills a plurality of first perforations and a plurality of second perforations, the heat dissipation module further includes a vapor chamber, and the light source module is an LED light source, a lens The lens light cover includes a light cover, an annular light cover, a plurality of first fixed parts and a plurality of second fixed parts, and the lens light cover is formed with a plurality of first fixed holes and a plurality of second fixed holes. The annular light cover is provided with a plurality of third fixing holes, each of the first fixing parts is fixed by each of the first holes and each of the first fixing holes, and each of the second fixing parts is by each of the first fixing parts. Two perforations, fixed by each second fixing hole and each third fixing hole, the vapor chamber is sandwiched between the installation surface and the lens light cover, the LED light source is the vapor chamber and the lens light cover The heat dissipating device according to claim 8, characterized in that it is sandwiched between the two.