CN220023482U - Heat dissipation cold plate - Google Patents
Heat dissipation cold plate Download PDFInfo
- Publication number
- CN220023482U CN220023482U CN202321655284.9U CN202321655284U CN220023482U CN 220023482 U CN220023482 U CN 220023482U CN 202321655284 U CN202321655284 U CN 202321655284U CN 220023482 U CN220023482 U CN 220023482U
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- China
- Prior art keywords
- cold plate
- heat
- main body
- fixedly connected
- plate
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Links
- 230000017525 heat dissipation Effects 0.000 title abstract description 10
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 17
- 229910002804 graphite Inorganic materials 0.000 claims abstract description 17
- 239000010439 graphite Substances 0.000 claims abstract description 17
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 13
- 239000000741 silica gel Substances 0.000 claims abstract description 13
- 229910002027 silica gel Inorganic materials 0.000 claims abstract description 13
- 238000007789 sealing Methods 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 description 6
- 238000001816 cooling Methods 0.000 description 5
- 239000000498 cooling water Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
Landscapes
- Cooling Or The Like Of Semiconductors Or Solid State Devices (AREA)
Abstract
The utility model discloses a heat-dissipation cold plate, which relates to the technical field of cold plates, and comprises a cold plate main body, a heat-conduction graphite layer fixedly connected to the bottom of the cold plate main body, a heat-conduction silica gel layer fixedly connected to the bottom of the heat-conduction graphite layer, and a mounting mechanism connected with the cold plate main body; the cold plate main body comprises a lower bottom plate fixedly connected with the top of the heat-conducting graphite layer, an upper cover plate connected with the lower bottom plate through a fixing bolt, and a condensing tube arranged between the lower bottom plate and the upper cover plate. The utility model relates to a heat dissipation cold plate, which is characterized in that a heat conduction silica gel layer is abutted against the outer side wall of a component to be cooled, and the heat conduction silica gel layer is elastically deformed, so that the cold plate main body, a heat conduction graphite layer and the heat conduction silica gel layer are tightly and reliably contacted, and high heat conduction efficiency is maintained.
Description
Technical Field
The utility model relates to the technical field of cold plates, in particular to a heat dissipation cold plate.
Background
The cooling plate is a traditional electronic element heat management mode, and is a single-fluid heat exchanger which has the characteristics of a group of structures with expanded surfaces, cooling channels with smaller equivalent diameters, rib surface geometric shapes which are favorable for enhancing convective heat transfer and the like, so that the heat exchange coefficient is higher, and the heat dissipated by a power device, a printed board assembly and an electronic case can be effectively cooled.
The design of the internal flow channel of the cold plate in the current market is difficult to realize uniform temperature distribution of all positions of the cold plate, the temperature distribution on the surface of the cold plate also determines heat dissipation uniformity, and the larger temperature difference can cause different working environment temperatures of elements to influence heat dissipation effect.
Disclosure of Invention
The utility model mainly aims to provide a heat-dissipating cold plate, which can effectively solve the problems that in the background technology, the temperature distribution of each position of the cold plate is difficult to be uniform, the temperature distribution of the surface of the cold plate also determines heat-dissipating uniformity, and the larger temperature difference can cause different working environment temperatures of elements and influence the heat-dissipating effect.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows: a heat dissipation cold plate comprises a cold plate main body, a heat conduction graphite layer fixedly connected to the bottom of the cold plate main body, a heat conduction silica gel layer fixedly connected to the bottom of the heat conduction graphite layer, and a mounting mechanism connected with the cold plate main body;
the cold plate main body comprises a lower bottom plate fixedly connected with the top of the heat-conducting graphite layer, an upper cover plate connected with the lower bottom plate through a fixing bolt, and a condensing tube arranged between the lower bottom plate and the upper cover plate;
the mounting mechanism comprises a mounting hole and a spring groove which are formed in the top of the cold plate main body, a mounting bolt in threaded connection with the mounting hole, a through hole formed in the top of a nut of the mounting bolt, a fixing pin in threaded connection with the through hole, a connecting spring fixedly connected to the bottom of the spring groove and a movable block fixedly connected to the other end of the connecting spring.
Preferably, the lower bottom plate comprises a rectangular plate, and a placing groove and threaded holes which are formed in the top of the rectangular plate, wherein the number of the threaded holes is four, and the threaded holes are distributed in a rectangular array.
Preferably, the upper cover plate and the lower bottom plate have the same composition structure, and the openings of the two placing grooves are oppositely arranged.
Preferably, the longitudinal section of the placing groove is a semicircular groove, the inner diameter size of the placing groove is equal to the outer diameter size of the condensing tube, and two ends of the condensing tube extend to the outer surface of the cold plate main body.
Preferably, the both ends of condenser pipe all are provided with connection structure, connection structure is including seting up the internal thread at condenser pipe port inside wall, fixed ring of fixed connection at condenser pipe inside wall, seting up the seal groove in fixed ring one side and fixed connection at the inside sealing washer of seal groove.
Preferably, the movable block comprises a movable column fixedly connected with the end face of the connecting spring and a hemispherical body fixedly connected with the other end of the movable column.
Preferably, the inner diameter of the through hole is equal to the outer diameter of the movable column of the movable block.
Compared with the prior art, the utility model has the following beneficial effects:
according to the utility model, the condensing tube is placed in the placing groove of the lower bottom plate, the placing groove of the upper cover plate is clamped on the condensing tube, then the lower bottom plate and the upper cover plate are fixed through the threaded holes of the fixing bolts, so that the condensing tube is convenient to replace, the cold plate main body is fixed on the element to be cooled through the mounting holes of the mounting bolts, at the moment, the heat conducting silica gel layer is abutted against the outer side wall of the element to be cooled, the heat conducting silica gel layer is elastically deformed, the cold plate main body, the heat conducting graphite layer and the heat conducting silica gel layer are tightly and reliably contacted, high heat conduction efficiency is maintained, and then the cold plate main body is connected with the condensing tube through the external water cooling mechanism, and cooling water circularly flows in the condensing tube, so that the heat dissipation effect of the cold plate main body is improved.
Drawings
FIG. 1 is a schematic diagram of the whole structure of a heat-dissipating cold plate according to the present utility model;
FIG. 2 is a schematic top view of a lower plate of a heat dissipating cold plate according to the present utility model;
FIG. 3 is an enlarged schematic view of the structure A of FIG. 1 of a heat sink according to the present utility model;
FIG. 4 is a schematic view illustrating an internal structure of the heat dissipating cold plate of FIG. 3 according to the present utility model;
fig. 5 is a schematic view of the internal structure of a condenser tube port of a heat-dissipating cold plate according to the present utility model.
In the figure: 1. a cold plate main body; 11. a lower base plate; 12. a placement groove; 13. an upper cover plate; 14. a fixing bolt; 2. a thermally conductive graphite layer; 3. a thermally conductive silicone layer; 4. a condensing tube; 41. a fixing ring; 42. a seal ring; 5. installing a bolt; 51. a fixing pin; 52. a connecting spring; 53. a movable block.
Detailed Description
The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.
In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific direction, be configured and operated in the specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "provided," "connected," and the like are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
Referring to fig. 1-5, the present utility model is a heat dissipation cold plate, comprising a cold plate main body 1, a heat conduction graphite layer 2 fixedly connected to the bottom of the cold plate main body 1, a heat conduction silica gel layer 3 fixedly connected to the bottom of the heat conduction graphite layer 2, and a mounting mechanism connected to the cold plate main body 1;
the cold plate main body 1 comprises a lower bottom plate 11 fixedly connected with the top of the heat-conducting graphite layer 2, an upper cover plate 13 connected with the lower bottom plate 11 through a fixing bolt 14, and a condensation pipe 4 arranged between the lower bottom plate 11 and the upper cover plate 13;
the mounting mechanism comprises a mounting hole and a spring groove which are formed in the top of the cold plate main body 1, a mounting bolt 5 in threaded connection with the mounting hole, a through hole formed in the top of a nut of the mounting bolt 5, a fixing pin 51 in threaded connection with the through hole, a connecting spring 52 fixedly connected to the bottom of the spring groove, and a movable block 53 fixedly connected to the other end of the connecting spring 52.
The lower bottom plate 11 comprises a rectangular plate, and a placing groove 12 and threaded holes which are formed in the top of the rectangular plate, wherein the number of the threaded holes is four, and the threaded holes are distributed in a rectangular array.
The upper cover plate 13 and the lower bottom plate 11 have the same composition structure, and the openings of the two placing grooves 12 are oppositely arranged.
The longitudinal section of the placing groove 12 is a semicircular groove, the inner diameter size of the placing groove 12 is equal to the outer diameter size of the condenser pipe 4, two ends of the condenser pipe 4 extend to the outer surface of the cold plate main body 1, the condenser pipe 4 can be well fixed in the lower bottom plate 11 and the upper cover plate 13 through the placing groove 12, and finally the lower bottom plate 11 and the upper cover plate 13 are fixed through the fixing bolts 14.
The both ends of condenser pipe 4 all are provided with connection structure, and connection structure is including seting up the internal thread at condenser pipe 4 port inside wall, fixed ring 41 of fixed connection at condenser pipe 4 inside wall, seting up the seal groove in fixed ring 41 one side and fixed connection at the inside sealing washer 42 of seal groove, is connected condenser pipe 4 and external water cooling plant through the internal thread that sets up to through the sealing washer 42 that sets up, improve the leakproofness of connection.
The movable block 53 comprises a movable column fixedly connected with the end face of the connecting spring 52 and a hemispherical body fixedly connected with the other end of the movable column.
The inner diameter of the through hole is equal to the outer diameter of the movable column of the movable block 53.
The working principle of the utility model is as follows: through placing condenser pipe 4 in the standing groove 12 of lower plate 11 to with the standing groove 12 joint of upper cover plate 13 on condenser pipe 4, then run through the screw hole through fixing bolt 14, come fixed lower plate 11 and upper cover plate 13 mutually, because its cold plate main part 1 is detachable structure, so conveniently change condenser pipe 4, afterwards, pass through the mounting hole through mounting bolt 5 and fix cold plate main part 1 on waiting the radiating element, after the installation is accomplished, rotate fixed pin 51 upwards this moment, movable block 53 will be under the effect of connecting spring 52 at this moment, a part is pegged graft in the through hole, thereby lock up mounting bolt 5, at this moment, the heat conduction silica gel layer 3 will support and hold the lateral wall of waiting the radiating element, and make the elastic deformation take place for heat conduction silica gel layer 3, make contact closely reliable between cold plate main part 1, heat conduction graphite layer 2 and the heat conduction silica gel layer 3, keep higher heat conduction efficiency, afterwards accessible external water-cooling mechanism is connected with condenser pipe 4, through making the cooling water circulate in condenser pipe 4, so as to improve the radiating effect of plate main part 1.
The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (7)
1. A heat-dissipating cold plate, characterized in that: the heat-conducting graphite plate comprises a cold plate main body (1), a heat-conducting graphite layer (2) fixedly connected to the bottom of the cold plate main body (1), a heat-conducting silica gel layer (3) fixedly connected to the bottom of the heat-conducting graphite layer (2), and a mounting mechanism connected with the cold plate main body (1);
the cold plate main body (1) comprises a lower bottom plate (11) fixedly connected with the top of the heat-conducting graphite layer (2), an upper cover plate (13) connected with the lower bottom plate (11) through a fixing bolt (14), and a condensing tube (4) arranged between the lower bottom plate (11) and the upper cover plate (13);
the mounting mechanism comprises a mounting hole and a spring groove which are formed in the top of the cold plate main body (1), a mounting bolt (5) in threaded connection with the mounting hole, a through hole formed in the top of a nut of the mounting bolt (5), a fixing pin (51) in threaded connection with the through hole, a connecting spring (52) fixedly connected to the bottom of the spring groove, and a movable block (53) fixedly connected to the other end of the connecting spring (52).
2. A heat sink cold plate according to claim 1, wherein: the lower bottom plate (11) comprises a rectangular plate, and a placing groove (12) and threaded holes which are formed in the top of the rectangular plate, wherein the number of the threaded holes is four, and the threaded holes are distributed in a rectangular array.
3. A heat sink cold plate according to claim 2, wherein: the upper cover plate (13) and the lower bottom plate (11) have the same composition structure, and openings of the two placing grooves (12) are oppositely arranged.
4. A heat sink cold plate according to claim 3, wherein: the longitudinal section of the placing groove (12) is a semicircular groove, the inner diameter of the placing groove (12) is equal to the outer diameter of the condensing tube (4), and two ends of the condensing tube (4) extend to the outer surface of the cold plate main body (1).
5. A heat sink cold plate according to claim 4, wherein: the utility model discloses a condenser pipe, including condenser pipe (4), condenser pipe (4) both ends all are provided with connection structure, connection structure is including seting up internal thread, fixed ring (41) of fixed connection at condenser pipe (4) inside wall of port inside wall, seting up seal groove in fixed ring (41) one side and fixed connection at seal groove inside sealing washer (42).
6. A heat sink cold plate according to claim 5, wherein: the movable block (53) comprises a movable column fixedly connected with the end face of the connecting spring (52) and a hemispherical body fixedly connected with the other end of the movable column.
7. A heat sink cold plate according to claim 6, wherein: the inner diameter of the through hole is equal to the outer diameter of the movable column of the movable block (53).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321655284.9U CN220023482U (en) | 2023-06-26 | 2023-06-26 | Heat dissipation cold plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321655284.9U CN220023482U (en) | 2023-06-26 | 2023-06-26 | Heat dissipation cold plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220023482U true CN220023482U (en) | 2023-11-14 |
Family
ID=88688709
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321655284.9U Active CN220023482U (en) | 2023-06-26 | 2023-06-26 | Heat dissipation cold plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220023482U (en) |
-
2023
- 2023-06-26 CN CN202321655284.9U patent/CN220023482U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |