CN107509360B - Heat abstractor of underwater equipment - Google Patents
Heat abstractor of underwater equipment Download PDFInfo
- Publication number
- CN107509360B CN107509360B CN201710648442.0A CN201710648442A CN107509360B CN 107509360 B CN107509360 B CN 107509360B CN 201710648442 A CN201710648442 A CN 201710648442A CN 107509360 B CN107509360 B CN 107509360B
- Authority
- CN
- China
- Prior art keywords
- heat dissipation
- sleeve
- block
- sealing
- dissipation block
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 230000017525 heat dissipation Effects 0.000 claims abstract description 94
- 238000007789 sealing Methods 0.000 claims abstract description 67
- 239000011368 organic material Substances 0.000 claims abstract description 34
- 229910000838 Al alloy Inorganic materials 0.000 claims abstract description 22
- 229910052751 metal Inorganic materials 0.000 claims abstract description 17
- 239000002184 metal Substances 0.000 claims abstract description 17
- 239000000956 alloy Substances 0.000 claims abstract description 7
- 239000003292 glue Substances 0.000 claims description 6
- 230000005484 gravity Effects 0.000 abstract description 4
- 230000000903 blocking effect Effects 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 3
- 239000000463 material Substances 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract description 3
- 238000012545 processing Methods 0.000 description 5
- 238000009434 installation Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- 238000011160 research Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/2039—Modifications to facilitate cooling, ventilating, or heating characterised by the heat transfer by conduction from the heat generating element to a dissipating body
- H05K7/20436—Inner thermal coupling elements in heat dissipating housings, e.g. protrusions or depressions integrally formed in the housing
- H05K7/20445—Inner thermal coupling elements in heat dissipating housings, e.g. protrusions or depressions integrally formed in the housing the coupling element being an additional piece, e.g. thermal standoff
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/06—Hermetically-sealed casings
- H05K5/069—Other details of the casing, e.g. wall structure, passage for a connector, a cable, a shaft
Abstract
The invention discloses an underwater robot heat dissipation device, which comprises an external heat dissipation block and an internal heat dissipation block, wherein the internal heat dissipation block is tightly abutted against a circuit board in an underwater equipment cabin body, the external heat dissipation block penetrates through a connecting hole formed in the cabin body and then is connected with the internal heat dissipation block, and in order to ensure the tightness of the cabin body, the external heat dissipation block is in sealing connection with the connecting hole (or the cabin body). The external heat dissipation block and the internal heat dissipation block are made of light materials and good in heat conductivity, and preferably, the external heat dissipation block and the internal heat dissipation block are made of aluminum alloy materials. The sealing waterproof problem between the metal heat dissipation device and the organic material cabin body is effectively solved, and when the sealing waterproof device is applied to underwater robot equipment, the phenomena of blocking, dead halt and the like of the underwater robot in long-time use can be avoided; in addition, the heat dissipation device is simple in structure, easy to process, light in weight and good in heat dissipation effect, and the buoyancy and gravity balance of the underwater robot cannot be greatly influenced due to overlarge weight increase.
Description
Technical Field
The invention belongs to the technical field of heat dissipation devices, and particularly relates to a heat dissipation device for an underwater robot.
Background
The development of the marine industry drives the research of monitoring systems of underwater marine organisms and underwater equipment devices to be deep, and small underwater robots with lower prices are widely applied in the aspects of fishery culture, underwater archaeology, dam foundation observation and the like. At present, because the organic plastic has the advantages of easy processing and forming, light weight, easy waterproof treatment and the like, in order to reduce the production cost and simplify the processing process, the cabin body of the small underwater robot is generally made of the organic plastic, however, the cabin body has poor heat dissipation effect, and the heat generated by the circuit board of the underwater robot cannot be timely dissipated, so that the circuit board cannot continuously operate for a long time, and the service life of the small underwater robot is more seriously shortened. The search finds that no heat dissipation device specially aims at the underwater robot with the organic material cabin exists at present. The conventional fan heat dissipation device for the circuit board is directly applied to heat dissipation of the circuit board of the underwater robot, and cannot achieve good heat dissipation effect due to the limitation of a cabin body, so that the phenomena of blocking, dead halt and the like caused by overheat of the circuit board can be easily caused when the circuit board works for a long time.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, provides a heat dissipation device for an underwater robot, and solves the problems that the existing underwater robot is difficult to dissipate heat and is easy to cause the phenomena of blocking, dead halt and the like.
In order to solve the problems, the underwater equipment heat dissipation device comprises an external heat dissipation block and an internal heat dissipation block, wherein the internal heat dissipation block is closely abutted against a circuit board in a cabin body of the underwater equipment, the external heat dissipation block penetrates through a connecting hole formed in the cabin body and then is connected with the internal heat dissipation block, and in order to ensure the tightness of the cabin body, the external heat dissipation block is in sealing connection with the connecting hole (or the cabin body).
Further, the outer heat dissipation block and the inner heat dissipation block are made of light materials and good in heat conductivity, and preferably, the outer heat dissipation block and the inner heat dissipation block are made of aluminum alloy materials.
Further, a sealing groove is formed along the inner wall of the connecting hole, a sealing ring is placed on the sealing groove at the contact position of the external heat dissipation block and the connecting hole, the external heat dissipation block is in sealing connection with the connecting hole, and the external heat dissipation block is in threaded connection with the internal heat dissipation block.
Further, the underwater equipment heat dissipation device comprises an external heat dissipation block and an internal heat dissipation block, wherein the internal heat dissipation block is tightly abutted against a circuit board in the underwater equipment cabin body, the internal heat dissipation block is made of an aluminum alloy material, the external heat dissipation block is formed by an aluminum alloy metal block with an external sealing sleeve and an organic material sleeve, the external heat dissipation block penetrates through a connecting hole formed in the cabin body and then is connected with the internal heat dissipation block, and in order to ensure the tightness of the cabin body, the external heat dissipation block is in sealing connection with the connecting hole.
Further, the contact part of the external heat dissipation block and the connecting hole is sealed by glue, and a sealing ring is placed on a sealing hole at the sleeving part of the organic material sleeve and the aluminum alloy metal block, so that the sealing connection between the external heat dissipation block and the cabin body is realized.
Further, the aluminum alloy metal block is an integrated structure formed by connecting a large cylinder at the upper end and a small cylinder at the lower end which are coaxial, the radius of the large cylinder is larger than that of the small cylinder, the organic material sleeve is sleeved on the upper part of the small cylinder, the lower part of the small cylinder is in threaded connection with the inner radiating block, the inner side of the upper surface of the inner radiating block is connected with the organic material sleeve, the outer side of the upper surface of the inner radiating block is attached to the inner wall of the underwater equipment cabin, the sealing ring is placed at the joint of the organic material sleeve and the small cylinder to realize axial sealing, and the sealing ring is placed at the joint of the organic material sleeve and the large cylinder to realize radial sealing.
Further, an annular groove is formed along the outer side edge of the lower portion of the organic material sleeve, when the heat dissipating device is connected with the cabin body, the connecting portion on the cabin body is just clamped (or filled) in the annular groove, and the contact portion of the connecting portion and the organic material sleeve is glued and sealed.
Further, two pairs of slotted holes are symmetrically formed in the side edge of the large cylinder of the aluminum alloy metal block, so that moment is increased during installation, and a lightening hole is formed in the upper surface of the large cylinder of the aluminum alloy metal block, so that the weight of the heat radiating device is reduced, and the balance of gravity buoyancy of the underwater equipment is facilitated.
Further, the organic material sleeve is an integral structure formed by connecting a coaxial large sleeve at the upper end and a small sleeve at the lower end, the wall thickness of the large sleeve is larger than that of the small sleeve, the sealing sleeve is sleeved outside the small sleeve in a sealing manner, the upper surface and the inner surface of the sealing sleeve are respectively glued with the lower surface of the large sleeve and the outer surface of the small sleeve of the organic material sleeve, an annular groove is formed between the lower surface of the sealing sleeve and an internal radiating block, when the radiating device is connected with a cabin body, a connecting part on the cabin body is just clamped (or filled) in the annular groove, namely, the lower surface of the sealing sleeve 8 is cut on the cabin body, and the contact part of the connecting part and the sealing sleeve is glued, so that the sealing sleeve can enlarge the glued sealing area of the cabin body, and the bonding is firmer.
Further, the underwater device is an underwater robot.
Compared with the prior art, the invention has the following advantages: (1) The heat dissipation problem of the underwater robot is effectively solved, and the phenomena of jamming, dead halt and the like of the underwater robot in long-time use are avoided; (2) The heat dissipation device has the advantages of simple structure, easy processing and light weight, and can not greatly influence the buoyancy and gravity balance of the underwater robot due to overlarge weight increase; (3) The sealing waterproof problem between the metal heat dissipation device and the organic material cabin body is effectively solved; (4) The device can be suitable for various types of non-metal shell underwater robots, and is also suitable for other underwater equipment with heat dissipation problems caused by an organic material cabin; (5) The design of the lightening holes reduces the weight, can increase the heat dissipation area of the external heat dissipation block and water, and improves the heat dissipation efficiency.
Description of the drawings:
fig. 1 is a schematic cross-sectional view of a heat dissipating device of a submerged robot according to an embodiment of the present invention.
Fig. 2 is a schematic perspective view of an underwater robot cabin with water connection holes according to an embodiment of the present invention.
Fig. 3 is a schematic cross-sectional view of a heat dissipating device of a submerged robot according to an embodiment of the present invention.
Fig. 4 is a schematic cross-sectional view of a heat dissipating device of a submerged robot according to another embodiment of the present invention.
Fig. 5 is a schematic cross-sectional view of a heat dissipating device of a submerged robot according to another embodiment of the present invention.
Fig. 6 is a schematic perspective view of the heat dissipating device of the underwater robot in fig. 5.
Detailed Description
The invention is further described with reference to the drawings and detailed description which follow:
examples:
as shown in fig. 1 and 2, the underwater robot heat dissipation device according to the present embodiment includes an external heat dissipation block 1 and an internal heat dissipation block 2, wherein the internal heat dissipation block 2 is abutted against a circuit board 4 in a cabin 3 of the underwater robot, the external heat dissipation block 1 passes through a connection hole 5 formed in the cabin 3 and then is connected with the internal heat dissipation block 2, and in order to ensure the tightness of the cabin, the external heat dissipation block 2 is connected with the connection hole 5 (or the cabin 3) in a sealing manner.
Further, the outer heat sink 1 and the inner heat sink 2 are made of light-weight and good-heat-conductivity materials, and preferably, the outer heat sink and the inner heat sink are made of aluminum alloy materials.
Further, a sealing groove 6 is formed along the inner wall of the connecting hole 5, and a sealing ring 7 is placed on the sealing groove 6 at the contact position of the external heat dissipation block 1 and the connecting hole 5, so that the external heat dissipation block 1 is in sealing connection with the connecting hole 5, and the external heat dissipation block 1 is in threaded connection with the internal heat dissipation block 2.
With the underwater robot heat dissipating device manufactured by the above embodiment, there are the following problems: firstly, a sealing groove is formed in the thickness direction of the shell to limit the thickness of the shell; secondly, a sealing groove for placing a sealing ring is arranged on the arc-shaped connecting hole, the working procedure is complex, the processing is difficult, and the processing cost is high. Therefore, further improvements are made on the basis of the above embodiments.
As shown in fig. 3, as another preferred embodiment, the underwater robot heat dissipation device comprises an external heat dissipation block 1 and an internal heat dissipation block 2, wherein the internal heat dissipation block 2 is abutted against a circuit board 4 in a cabin 3 of the underwater robot, the internal heat dissipation block 2 is made of an aluminum alloy material, the external heat dissipation block 1 is formed by an aluminum alloy metal block 12 of which the outer part is hermetically sleeved with an organic material sleeve 11, the external heat dissipation block 1 penetrates through a connecting hole 5 formed in the cabin 3 and then is connected with the internal heat dissipation block 2, and in order to ensure the tightness of the cabin, the external heat dissipation block 1 is hermetically connected with the connecting hole 5.
Further, the contact part of the external heat dissipation block 1 and the connecting hole 5 is sealed by glue, and a sealing ring 7 is placed on a sealing hole 6 at the sleeving part of the organic material sleeve 11 and the aluminum alloy metal block 12, so that the sealing connection between the external heat dissipation block 1 and the cabin body 3 is realized.
As shown in fig. 4, as another preferred embodiment, the aluminum alloy metal block 12 is an integral structure formed by connecting a large cylinder 121 at the upper end and a small cylinder 122 at the lower end which are coaxial, the radius of the large cylinder 121 is larger than that of the small cylinder 122, the organic material sleeve 11 is sleeved on the upper part of the small cylinder 122, the lower part of the small cylinder 122 is in threaded connection with the inner heat dissipation block 2, the inner side of the upper surface of the inner heat dissipation block 2 is connected with the organic material sleeve 11, the outer side of the upper surface of the inner heat dissipation block 2 is attached to the inner wall of the underwater robot cabin 3, the axial sealing is realized by placing the sealing ring 7 at the joint of the organic material sleeve 11 and the small cylinder 122, and the radial sealing is realized by placing the sealing ring 7 at the joint of the organic material sleeve 11 and the large cylinder 121.
Further, an annular groove is formed along the outer side edge of the lower portion of the organic material sleeve 11, when the heat dissipating device is connected with the cabin 3, the connecting portion 31 on the cabin 3 is just clamped (or filled) in the annular groove, and the contact portion of the connecting portion 31 and the organic material sleeve 11 is glued and sealed.
Further, two pairs of slotted holes 123 are symmetrically formed on the side edge of the large cylinder 121 of the aluminum alloy metal block 12, so that moment can be increased during installation, and the weight reducing holes 124 are formed on the upper surface of the large cylinder 121 of the aluminum alloy metal block 12, so that the weight of the heat radiating device is reduced, and the balance of the gravity buoyancy of the underwater robot can be adjusted conveniently.
As shown in fig. 5 and 6, as another preferred embodiment, the organic material sleeve 11 is an integral structure formed by connecting a coaxial upper end big sleeve 111 and a coaxial lower end small sleeve 112, the wall thickness of the big sleeve 111 is larger than that of the small sleeve 112, the sealing sleeve 8 is in sealing sleeve connection with the outer side of the small sleeve 112, the upper surface and the inner surface of the sealing sleeve 8 are respectively in glue sealing with the lower surface of the big sleeve 111 and the outer surface of the small sleeve 112 of the organic material sleeve 11, an annular groove 113 is formed between the lower surface of the sealing sleeve 8 and an inner heat dissipation block, when the heat dissipation device is connected with the cabin body, a connecting part on the cabin body is just clamped (or filled) in the annular groove 113, namely, the lower surface of the sealing sleeve 8 is in contact with the cabin body, and the contact part of the connecting part 31 and the sealing sleeve 8 is in glue sealing, so that the glue sealing area of the sealing sleeve 8 with the cabin body can be increased, and the bonding is firmer.
Claims (6)
1. The heat dissipation device of the underwater equipment is characterized by comprising an external heat dissipation block and an internal heat dissipation block, wherein the internal heat dissipation block is tightly abutted against a circuit board in a cabin body of the underwater equipment, the external heat dissipation block penetrates through a connecting hole formed in the cabin body and then is connected with the internal heat dissipation block, and the external heat dissipation block is in sealing connection with the connecting hole;
the inner radiating block is made of an aluminum alloy material, and the outer radiating block is formed by an aluminum alloy metal block of which the outer part is hermetically sleeved with an organic material sleeve;
the external heat dissipation block and the internal heat dissipation block are both made of aluminum alloy materials, a sealing groove is arranged along the inner wall of the connecting hole, a sealing ring is placed on the sealing groove at the contact position of the external heat dissipation block and the connecting hole, and the external heat dissipation block is in threaded connection with the internal heat dissipation block;
the aluminum alloy metal block is an integral structure formed by connecting a large cylinder at the upper end and a small cylinder at the lower end which are coaxial, the radius of the large cylinder is larger than that of the small cylinder, the organic material sleeve is sleeved on the upper part of the small cylinder, the lower part of the small cylinder is in threaded connection with the inner radiating block, the inner side of the upper surface of the inner radiating block is connected with the organic material sleeve, the outer side of the upper surface of the inner radiating block is attached to the inner wall of the underwater equipment cabin, the sealing ring is placed at the joint of the organic material sleeve and the small cylinder to realize axial sealing, and the sealing ring is placed at the joint of the organic material sleeve and the large cylinder to realize radial sealing.
2. The heat dissipating device for underwater equipment according to claim 1, wherein the sealing ring is placed on the sealing hole where the organic material sleeve and the aluminum alloy metal block are sleeved, and the sealing hole is sealed by glue at the contact part of the external heat dissipating block and the connecting hole.
3. The heat dissipating device for underwater equipment according to claim 2, wherein an annular groove is formed along the outer side edge of the lower portion of the organic material sleeve, when the heat dissipating device is connected with the cabin body, the connecting portion on the cabin body is just clamped in the annular groove, and the contact portion of the connecting portion and the organic material sleeve is glued and sealed.
4. The heat dissipating device for an underwater apparatus according to claim 3, wherein two pairs of slots are symmetrically formed on the side of the large cylinder of the aluminum alloy metal block, and weight reducing holes are formed on the upper surface of the large cylinder of the aluminum alloy metal block, thereby reducing the weight of the heat dissipating device.
5. The heat dissipating device for underwater equipment according to claim 4, wherein the organic material sleeve is of an integral structure formed by connecting a coaxial large sleeve at the upper end and a small sleeve at the lower end, the wall thickness of the large sleeve is larger than that of the small sleeve, the sealing sleeve is sleeved outside the small sleeve in a sealing manner, the upper surface and the inner surface of the sealing sleeve are respectively glued with the lower surface of the large sleeve and the outer surface of the small sleeve of the organic material sleeve, an annular groove is formed between the lower surface of the sealing sleeve and the inner heat dissipating block, when the heat dissipating device is connected with the cabin, the connecting part on the cabin is exactly clamped in the annular groove, and the contact part of the connecting part and the sealing sleeve is glued.
6. The heat sink for an underwater apparatus according to any one of claims 1 to 4, wherein the underwater apparatus is an underwater robot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710648442.0A CN107509360B (en) | 2017-08-01 | 2017-08-01 | Heat abstractor of underwater equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710648442.0A CN107509360B (en) | 2017-08-01 | 2017-08-01 | Heat abstractor of underwater equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107509360A CN107509360A (en) | 2017-12-22 |
| CN107509360B true CN107509360B (en) | 2024-03-19 |
Family
ID=60689784
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710648442.0A Active CN107509360B (en) | 2017-08-01 | 2017-08-01 | Heat abstractor of underwater equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107509360B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116321883B (en) * | 2023-05-17 | 2023-08-18 | 之江实验室 | High-water-tightness high-power device heat dissipation device applied to deep sea |
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|---|---|
| CN107509360A (en) | 2017-12-22 |
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