CN218219180U - Sectional type heating device and aerosol generating equipment - Google Patents
Sectional type heating device and aerosol generating equipment Download PDFInfo
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- CN218219180U CN218219180U CN202222184828.XU CN202222184828U CN218219180U CN 218219180 U CN218219180 U CN 218219180U CN 202222184828 U CN202222184828 U CN 202222184828U CN 218219180 U CN218219180 U CN 218219180U
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Abstract
The utility model is suitable for an electron device heating technical field provides a sectional type heating device and aerosol generating equipment, include: a base; the heating assembly is arranged on the base, a containing cavity for containing the aerosol substrate is arranged in the heating assembly, and the heating assembly comprises a plurality of separated heating areas; the driving component is arranged on the base; the activity set up in on the drive assembly to drive assembly drives down along the electromagnetic component of heating element reciprocating motion from top to bottom, the heating region is in the heat is sent out under the effect of electromagnetic component, in order to be right the aerosol substrate carries out the segmentation heating. When the electromagnetic assembly moves to different heating regions under the drive of the driving assembly, the heating assembly of the different heating regions can locally heat the aerosol substrate under the action of electromagnetism, so that the problem of pasting flavor easily caused by long-time heating of the whole aerosol substrate is avoided, and the higher taste can be kept for a long time.
Description
Technical Field
The utility model belongs to the technical field of the electron device heating, especially, relate to a sectional type heating device and aerosol generating equipment.
Background
Aerosol generating devices are devices that generate an aerosol by heating an aerosol substrate and are widely used because they can adapt to and meet the physiological and psychological needs of consumers to a certain extent.
At present, aerosol takes place equipment, when heating the aerosol substrate, can carry out the mode of heating simultaneously to the aerosol substrate whole section usually, leads to the aerosol substrate when heating for a long time, produces easily and sticks with paste the flavor, reduces taste purity for the taste is serious in the decay of heating back end, is not used for user experience.
SUMMERY OF THE UTILITY MODEL
The utility model provides a sectional type heating device and aerosol emergence equipment aims at solving prior art, heats aerosol substrate whole section simultaneously, leads to aerosol taste purity relatively poor, and heats the serious problem of back end taste decay.
The utility model discloses a realize like this, provide a sectional type heating device, include:
a base;
the heating assembly is arranged on the base, a containing cavity for containing the aerosol substrate is arranged in the heating assembly, and the heating assembly comprises a plurality of separated heating areas;
the driving component is arranged on the base;
the heating region is arranged on the driving assembly and driven by the driving assembly to move up and down along the heating assembly in a reciprocating manner, and the heating region emits heat under the action of the electromagnetic assembly so as to heat the aerosol substrate in a segmented manner.
In one embodiment, the electromagnetic assembly includes:
the magnetic core body is provided with a movable through hole, and the movable through hole is movably sleeved on the heating assembly;
the electromagnetic coil is arranged on one side of the magnetic core body, which is far away from the movable through hole, and generates a magnetic field when being electrified; and
and the movable support is arranged on the magnetic core body and is movably connected with the driving assembly.
In one embodiment, the driving assembly includes:
the driving motor is arranged on the base;
the guide shaft is arranged on the power output end of the driving motor and is movably connected with the movable support.
In one embodiment, the guide shaft is provided with a screw thread, the movable support is provided with a screw thread groove, and the guide shaft is embedded in the screw thread groove.
In one embodiment, the magnetic core body is provided with a mounting groove, the movable support is embedded in the mounting groove, and the electromagnetic coil is wound on the side wall of the mounting groove far away from the movable through hole.
In one embodiment, the heating assembly comprises:
the heating device comprises a first heating element and a second heating element, wherein a heat insulation element is arranged between the first heating element and the second heating element so as to divide the first heating element and the second heating element into a first heating area and a second heating area.
In one embodiment, the first heating member is provided with a first temperature detection device, and the second heating member is provided with a second temperature detection device.
In one embodiment, the apparatus comprises:
the power supply module is electrically connected with the electromagnetic assembly and used for supplying power to the electromagnetic assembly; and
and the circuit board is used for integrally controlling the power supply circuit of the electromagnetic assembly.
In an embodiment, the circuit board is fixedly assembled with the base, a groove is arranged at the bottom of the base, a notch is arranged at one side of the base close to the heating component, and the groove is communicated with the notch so as to accommodate a connecting wire of the circuit board.
In an embodiment of the present invention, there is provided an aerosol generating apparatus, including:
a housing having a receiving cavity therein;
the upper cover is arranged on the shell to seal the accommodating cavity, and a through hole is formed in the upper cover;
the sectional heating device is arranged in the shell, and the through hole is communicated with the accommodating cavity of the heating assembly.
The embodiment of the utility model provides an in, provide a sectional type heating device, include: a base; the heating assembly is arranged on the base, a containing cavity used for containing the aerosol substrate is arranged in the heating assembly, and the heating assembly comprises a plurality of separated heating areas; the driving component is arranged on the base; the activity set up in on the drive assembly to drive assembly drives down along the electromagnetic component of heating element reciprocating motion from top to bottom, the heating region is in the heat is sent out under the effect of electromagnetic component, in order to be right the aerosol substrate carries out the segmentation heating. In this application, through separating into a plurality of heating regions with heating element, this electromagnetic component passes through under drive assembly's the drive, when moving to different heating regions, the effect of accessible electromagnetic component, make the heating element release heat energy of different heating regions, thereby carry out the local heating to the aerosol substrate, can avoid carrying out the long-time heating to whole section aerosol substrate simultaneously, lead to the easy problem of sticking with paste the flavor that produces of aerosol substrate, and through the segmentation heating, can make the aerosol substrate keep the higher state of taste purity for a long time, avoided the taste to appear attenuating at the heating back end.
Drawings
Fig. 1 is a first schematic structural diagram of a sectional heating device provided in an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a sectional heating device according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of an electromagnetic assembly provided in an embodiment of the present invention;
fig. 4 is an exploded view of an electromagnetic assembly provided in an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a base provided in an embodiment of the present invention;
fig. 6 is a cross-sectional view of an aerosol generating device provided in an embodiment of the present invention;
fig. 7 is a schematic structural diagram of an aerosol generating device provided in an embodiment of the present invention;
fig. 8 is an exploded view of an aerosol generating device provided in an embodiment of the present invention;
wherein, 1, a base; 2. a heating assembly; 3. a drive assembly; 4. an electromagnetic assembly; 5. a first temperature detection device; 6. a second temperature detection device; 7. a power supply module; 8. a circuit board; 9. a screw; 10. an aerosol substrate; 11. a groove; 12. a notch; 13. a guide groove; 21. a first heating member; 22. a second heating member; 23. a thermal insulation member; 31. a drive motor; 32. a guide shaft; 321. screw teeth; 41. a magnetic core body; 42. a coil; 43. a movable support; 411. a movable through hole; 412. mounting grooves; 431. a thread groove; 101. a housing; 102. an upper cover; 103. a segmented heating device; 1021. and a through hole.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In the description of the present invention, it is to be understood that the terms "longitudinal", "radial", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, merely for convenience of description and to simplify the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the invention. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art.
Referring to fig. 1-8, in an embodiment of the present invention, a segmented heating device 103 is provided, including: a base 1; the heating assembly 2 is arranged on the base, a containing cavity for containing the aerosol substrate is arranged in the heating assembly 2, and the heating assembly 2 comprises a plurality of separated heating areas; the driving component 3 is arranged on the base; the electromagnetic assembly 4 is movably arranged on the driving assembly 3 and reciprocates up and down along the heating assembly 2 under the driving of the driving assembly 3, and the heating area emits heat under the action of the electromagnetic assembly 4 so as to heat the aerosol substrate in a segmented manner. In this application, through separating into a plurality of heating regions with heating element, this electromagnetic component passes through under drive assembly's the drive, when moving to different heating regions, the effect of accessible electromagnetic component, make the heating element release heat energy of different heating regions, thereby carry out the local heating to the aerosol substrate, can avoid carrying out the long-time heating to whole section aerosol substrate simultaneously, lead to the easy problem of sticking with paste the flavor that produces of aerosol substrate, and through the segmentation heating, can make the aerosol substrate keep the higher state of taste purity for a long time, avoided the taste to appear attenuating at the heating back end.
Wherein, the driving component 3 and the base 1 can be fixedly assembled together by bolts (not shown in the figure).
Referring to fig. 3-4, in an embodiment of the present invention, the electromagnetic assembly 4 includes: the magnetic core comprises a magnetic core body 41, wherein a movable through hole 411 is formed in the magnetic core body 41, and the movable through hole 411 is movably sleeved on the heating component 2; an electromagnetic coil 42 disposed on a side of the magnetic core body 41 away from the movable through hole 411 and generating a magnetic field when energized; and a movable bracket 43 disposed on the magnetic core body 41 and movably connected to the driving assembly 3. Specifically, the cross-sectional area of the movable through hole 411 is larger than the cross-sectional area of the heating element 2, so that the movable through hole 411 is sleeved on the heating element 2 and does not contact with the outer surface of the heating element 2. When the electromagnetic coil 42 is energized, a magnetic field is generated in the movable through hole 411, the heating assembly 2 generates heat energy under the action of the magnetic field, and the magnetic body 41 can move up and down along the length direction of the heating assembly 2 under the matching of the movable support 43 and the driving assembly, so that aerosol substrates in different heating areas can be heated, and the segmented heating of the aerosol substrates is realized.
Wherein, the circular through hole of this activity through-hole 411 can be constituteed by two semicircles, and is provided with the opening between two semicircular both sides to form the magnetic induction space between this activity through-hole 411.
Referring to fig. 3 to 4, in the embodiment of the present invention, a mounting groove 412 is provided on the magnetic core body 41, the movable bracket 43 is embedded in the mounting groove 412, and the electromagnetic coil 42 is wound on the side wall of the mounting groove 412 far away from the movable through hole 422. When the electromagnetic coil 42 is energized, a magnetic field is generated and transmitted to the heating block 2 through the core body 41 in the magnetic induction space, so that the heating block 2 generates heat.
The core body 41 may be a ferrite core.
Referring to fig. 1, 2, 6 and 8, in the embodiment of the present invention, the driving assembly 3 includes: a drive motor 31 provided on the base 1; and the guide shaft 32 is arranged on the power output end of the driving motor 31, and the guide shaft 32 is movably connected with the movable bracket 43. Under the action of the rotation of the motor, the guide shaft 32 can be driven to rotate, so that the movable support 43 moves up and down on the guide shaft 32, and the aerosol substrate is heated in a segmented manner.
Referring to fig. 6, in the embodiment of the present invention, the guide shaft 32 is provided with a screw 321, the movable bracket 43 is provided with a screw groove 431, and the guide shaft 32 is embedded in the screw groove 431. The inner wall of the thread groove 431 is provided with threads matched with the threads 321, and when the guide shaft 32 rotates under the action of the driving motor 31, the thread groove 431 and the threads 321 can generate an up-and-down thrust force, so that the electromagnetic assembly 4 can move up and down along the guide shaft 32.
In an embodiment of the present invention, the heating area may further include a plurality of heating areas, for example, 3 heating areas, 4 heating areas, which may be specifically set according to time conditions, and the present application is not limited herein.
The utility model discloses in an implementation scene, this heating element 2's heating region can include upper heating region and lower heating region, and this upper heating region is used for heating the first half section of aerosol substrate, and this lower heating region is used for heating the second half section to this aerosol substrate. This electromagnetic component 4 can be under this drive assembly 3's drive, earlier to this upper heating region motion to heat aerosol substrate's first half section, after the heating is accomplished, can drive this electromagnetic component 4 to this lower heating region motion, so that heat aerosol substrate's second half section, in order to realize heating aerosol substrate's first half section earlier, the purpose of reheating aerosol substrate's second half section can make aerosol substrate keep better taste.
Referring to fig. 1, 2, 6 and 8, in an embodiment of the present invention, the heating assembly 2 includes: the heating device comprises a first heating element 21 and a second heating element 22, wherein a heat insulation element 23 is arranged between the first heating element 21 and the second heating element 22 so as to divide the first heating element 21 and the second heating element 22 into a first heating area and a second heating area. Specifically, the bottom of the first heating member 21 is assembled with the top of the heat insulating member 23, and the top of the second heating member 22 is assembled with the bottom of the heat insulating member 23, so that the first heating member 21 and the second heating member 22 are connected up and down and isolated from each other.
In an embodiment of the present invention, the first heating element 21 and the second heating element 22 can be a first metal tube and a second metal tube, when the electromagnetic coil 42 is conductive, a magnetic field is generated, the magnetic field is guided to the periphery of the first metal tube through the ferrite core, so that the first metal tube generates heat to heat the aerosol substrate in the first metal tube, or the magnetic field is guided to the periphery of the second metal tube through the ferrite core, so that the second metal tube generates heat to heat the aerosol substrate in the second metal tube.
The first metal tube and the second metal tube are hollow structures, and the aerosol substrate can be inserted into the first metal tube and the second metal tube so as to heat different regions of the aerosol substrate through different metal tubes.
In an embodiment of the present invention, the heat insulation member 23 can be made of a material with heat conductivity lower than that of metal, such as high temperature resistant plastic, ceramic, quartz, etc., so as to isolate the heat transmission between the first metal tube and the second metal tube.
In an embodiment of the present invention, the heat insulation member 23 may be a tubular structure, and a stop member is disposed on an inner wall of the tubular structure, when the first metal tube and the second metal tube are embedded into the top and the bottom of the heat insulation member 23 respectively, the stop member can stop the embedding distance between the first metal tube and the second metal tube, so as to isolate the first metal tube from the second metal tube, and the heat conductivity of the stop member is lower than that of metal, thereby avoiding the mutual propagation of heat between the first metal tube and the second metal tube, and achieving the isolation purpose.
In an embodiment of the present invention, the heat insulation member 23 may be provided with a through hole at the center thereof, so that the aerosol substrate 10 can be inserted into the heating assembly 2 in the order of the first metal tube, the heat insulation member 23 and the second metal tube.
Referring to fig. 1, 2, 6 and 8, in the embodiment of the present invention, a first temperature detecting device 5 is disposed on the first heating member 21, and a second temperature detecting device 6 is disposed on the second heating member 22. Through setting up this temperature-detecting device 5 and temperature-detecting device 6, can detect the temperature of the heating region of difference to can carry out the accuse temperature and handle, for example, when the temperature was too high, can reduce the heating temperature of this heating element 2, when the temperature was too high, then can increase the heating temperature of this heating element 2, realize the sectional type accuse temperature.
The temperature detection devices 5 and 6 may be temperature sensors, thermistors, or other devices for detecting temperature.
Referring to fig. 1, fig. 2, fig. 6 and fig. 8, in an embodiment of the present invention, the apparatus may further include: a power module 7 electrically connected to the electromagnetic assembly 4 for supplying power to the electromagnetic assembly 4; and a circuit board 8 for integrated control of the power supply circuit of the electromagnetic assembly 4. The circuit board 8 can be provided with a controller, for example, a single chip microcomputer, an MCU and other control chips, and the circuit board 8 is integrated with a power supply circuit, so as to control the power module 7 to supply power to the electromagnetic assembly 4, and heat the heating assembly 2 through the magnetic field generated by the electromagnetic assembly 4.
The circuit board 8 may further include a charging circuit for charging the power module 7, a switching circuit for controlling the start and stop of the driving assembly 3, and the like.
The circuit board 8 may be a PCB circuit board.
The power module 7 may be a lithium battery, which may be a rechargeable lithium battery connected to an external charging device through a connection line for charging.
The power module 7 is electrically connected to the circuit board 8.
In the embodiment of the present invention, the circuit board 8 may be fixed and assembled with the base 1 through a plurality of screws 9.
Referring to fig. 5, in the embodiment of the present invention, the circuit board 8 is fixedly assembled with the base 1, and the bottom of the base 1 is provided with a groove 11, one side of the base 1 close to the heating component 2 is provided with a notch 12, and the groove 11 is communicated with the notch 12 for accommodating the connecting line of the circuit board 8. For example, the first temperature detecting device 5 and the second temperature detecting device 6 can be connected to the circuit board 8 through connecting wires, the circuit board 8 can obtain the temperature conditions of different heating areas for performing segmented temperature control, and the connecting wires can be accommodated in the notch 12 and the groove 11 and electrically connected to the circuit board 8. The circuit of being convenient for is accomodate, avoids the circuit to cause the potential safety hazard in a jumble and disorderly.
Referring to fig. 5, in the embodiment of the utility model, be provided with guide way 13 on this base 1, this electromagnetic component 4 can reciprocate in this guide way 13 under the driving assembly 3 orders about, provides movable direction to electromagnetic component 4 through guide way 13, avoids electromagnetic component 4 to break away from movable track in the motion process, and can avoid electromagnetic component 4 to appear rocking and squinting about the activity in-process, avoids appearing the potential safety hazard, improves the completeness.
The embodiment of the utility model provides an in, through separating into a plurality of heating regions with heating element, this electromagnetic component passes through under drive assembly's the drive, when moving to different heating regions, the effect of accessible electromagnetic component, make the heating element release heat energy of different heating regions, thereby carry out the local heating to the aerosol substrate, can avoid carrying out the time heating to whole section aerosol substrate simultaneously, lead to the aerosol substrate to produce the problem of sticking with paste the flavor easily, and through the segmentation heating, can make the aerosol substrate keep the higher state of taste purity for a long time, avoided the taste to appear attenuating in the heating back end.
Referring to fig. 7-8, in an embodiment of the present invention, there is provided an aerosol generating device comprising a housing 101 having a receiving cavity therein; an upper cover 102 disposed on the housing 101 to close the accommodating cavity, the upper cover having a through hole 1021; and a sectional heating device 103 as described above, the sectional heating device 103 being disposed in the housing 101, and the through hole 1021 being in communication with the receiving cavity of the heating element 2. Specifically, when assembling, the sectional heating device 103 can be assembled in the housing 101, and the upper cover 102 is fastened, the through hole 1021 can be connected with the receiving cavity of the heating element 2, when the aerosol substrate 10 can be inserted into the receiving cavity through the through hole, then the sectional heating treatment can be performed on the aerosol substrate by the sectional heating device 103, thereby achieving the purpose of sectional heating of the aerosol substrate by the aerosol generating device.
In this application embodiment, through set up sectional type heating device 103 in aerosol generating device, can be through the effect of electromagnetic component for the heating element release heat energy of different heating regions, thereby carry out the local heating to the aerosol substrate, can avoid carrying out the long-time heating to full-length aerosol substrate simultaneously, lead to the aerosol substrate to produce the problem of sticking with paste the flavor easily, and through the sectional heating, can make the aerosol substrate keep the higher state of taste purity for a long time, avoided the taste to appear attenuating at the heating back end.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. A segmented heating device, the device comprising:
a base (1);
the heating assembly (2) is arranged on the base (1), a containing cavity used for containing the aerosol substrate (10) is arranged in the heating assembly (2), and the heating assembly (2) comprises a plurality of separated heating areas;
the driving component (3) is arranged on the base (1);
the electromagnetic component (4) is movably arranged on the driving component (3) and driven by the driving component (3) to reciprocate up and down along the heating component (2), and the heating area emits heat under the action of the electromagnetic component (4) so as to heat the aerosol substrate (10) in a segmented manner.
2. The segmented heating device according to claim 1, wherein the electromagnetic assembly (4) comprises:
the magnetic core comprises a magnetic core body (41), wherein a movable through hole (411) is formed in the magnetic core body (41), and the movable through hole (411) is movably sleeved on the heating assembly (2);
the electromagnetic coil (42) is arranged on one side of the magnetic core body (41) far away from the movable through hole (411) and generates a magnetic field when electrified; and
and the movable bracket (43) is arranged on the magnetic core body (41) and is movably connected with the driving component (3).
3. The segmented heating device according to claim 2, wherein the drive assembly (3) comprises:
a drive motor (31) arranged on the base (1);
the guide shaft (32) is arranged on the power output end of the driving motor (31), and the guide shaft (32) is movably connected with the movable support (43).
4. The sectional heating device according to claim 3, wherein the guide shaft (32) is provided with a thread (321), the movable bracket (43) is provided with a thread groove (431), and the guide shaft (32) is embedded in the thread groove (431).
5. The sectional heating device according to claim 2, wherein a mounting groove (412) is provided on the core body (41), the movable bracket (43) is embedded in the mounting groove (412), and the electromagnetic coil (42) is wound on a side wall of the mounting groove (412) away from the movable through hole (411).
6. The segmented heating device according to claim 1, wherein the heating assembly (2) comprises:
the heating device comprises a first heating element (21) and a second heating element (22), wherein a heat insulation element (23) is arranged between the first heating element (21) and the second heating element (22) so as to divide the first heating element (21) and the second heating element (22) into a first heating area and a second heating area.
7. The segmented heating device according to claim 6, characterized in that a first temperature detection device (5) is arranged on the first heating element (21) and a second temperature detection device (6) is arranged on the second heating element (22).
8. The segmented heating device of claim 1, wherein the device comprises:
the power supply module (7) is electrically connected with the electromagnetic assembly (4) and used for supplying power to the electromagnetic assembly (4); and
a circuit board (8) for integrated control of the power supply circuit of the electromagnetic assembly (4).
9. The segmented heating device according to claim 8, wherein the circuit board (8) is fixedly assembled with the base (1), a groove (11) is arranged at the bottom of the base (1), a notch (12) is arranged at one side of the base (1) close to the heating assembly (2), and the groove (11) and the notch (12) are communicated with each other to accommodate a connecting wire of the circuit board (8).
10. An aerosol generating device, the device comprising:
a housing (101) having a receiving chamber therein;
the upper cover (102) is arranged on the shell (101) to seal the accommodating cavity, and a through hole (1021) is formed in the upper cover (102);
the segmented heating device (103) according to any of claims 1 to 9, the segmented heating device (103) being arranged in the housing (101) with the through hole (1021) communicating with a receiving cavity of the heating assembly (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222184828.XU CN218219180U (en) | 2022-08-18 | 2022-08-18 | Sectional type heating device and aerosol generating equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222184828.XU CN218219180U (en) | 2022-08-18 | 2022-08-18 | Sectional type heating device and aerosol generating equipment |
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| Publication Number | Publication Date |
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| CN218219180U true CN218219180U (en) | 2023-01-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202222184828.XU Active CN218219180U (en) | 2022-08-18 | 2022-08-18 | Sectional type heating device and aerosol generating equipment |
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| CN (1) | CN218219180U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024036731A1 (en) * | 2022-08-18 | 2024-02-22 | 深圳市吉迩科技有限公司 | Segmented heating device and aerosol generation apparatus |
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2022
- 2022-08-18 CN CN202222184828.XU patent/CN218219180U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024036731A1 (en) * | 2022-08-18 | 2024-02-22 | 深圳市吉迩科技有限公司 | Segmented heating device and aerosol generation apparatus |
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