CN110173957B - Novel liquid cooling plate - Google Patents
Novel liquid cooling plate Download PDFInfo
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- CN110173957B CN110173957B CN201910532697.XA CN201910532697A CN110173957B CN 110173957 B CN110173957 B CN 110173957B CN 201910532697 A CN201910532697 A CN 201910532697A CN 110173957 B CN110173957 B CN 110173957B
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- cooling plate
- liquid cooling
- liquid
- heat dissipation
- tooth
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D31/00—Other cooling or freezing apparatus
Abstract
The invention provides a novel liquid cooling plate, which comprises: a liquid cooling plate main body provided with a cooling liquid channel; the liquid cooling plate cover plate is covered on the liquid cooling plate main body and is used for sealing the cooling liquid channel; the heat dissipation tooth mechanism is arranged on the liquid cooling plate main body and connected with the cooling liquid channel; and the high-power tooth radiator is arranged on the liquid cooling plate main body and connected with the cooling liquid channel. The combination of the high-power tooth radiator and the radiating tooth mechanism with a conventional liquid cooling plate is realized; the cooling liquid in the novel liquid cooling plate takes away the heat in the high-power tooth radiator; or blocked and dispersed in the heat dissipation tooth mechanism, the flow speed is reduced, the cooling liquid is uniformly dispersed in the heat dissipation tooth mechanism, the residence time of the cooling liquid is prolonged, and the heat exchange time of the cooling liquid and an object to be cooled is prolonged. The novel liquid cooling plate has the advantages that the novel liquid cooling plate is guaranteed to perform local high-temperature heat dissipation, the overall conventional heat dissipation is guaranteed, the application range and the cooling capacity of the novel liquid cooling plate are improved, and synchronous and balanced cooling treatment of different heat areas of an object to be cooled is realized.
Description
Technical Field
The invention relates to the technical field of liquid cooling plates, in particular to a novel liquid cooling plate.
Background
The liquid cooling plate is a radiator with excellent heat dissipation performance, and the liquid cooling plate can continuously flow cooling liquid in the liquid cooling plate so as to ensure effective cooling treatment of an object to be cooled.
However, when the existing liquid cooling plate is used for cooling an object to be cooled, the cooling capacity of the whole object to be cooled is the same; however, the actual heat settings on the object to be cooled are not uniform, and there are often localized areas of high heat; therefore, the existing liquid cooling plate is difficult to consider the cooling requirements of different heat areas of the object to be cooled.
Therefore, how to provide a method for realizing different heat areas of an object to be cooled and synchronously and uniformly cooling becomes a technical problem to be solved continuously.
Disclosure of Invention
The invention aims to solve the technical problems that the cooling requirements of different heat areas of an object to be cooled are difficult to be considered by the existing liquid cooling plate in the prior art.
The technical scheme adopted for solving the technical problems is as follows: a novel liquid cooling plate, comprising:
a liquid cooling plate main body provided with a cooling liquid channel;
the liquid cooling plate cover plate is covered on the liquid cooling plate main body and is used for sealing the cooling liquid channel;
the heat dissipation tooth mechanism is arranged on the liquid cooling plate main body and connected with the cooling liquid channel;
and the high-power tooth radiator is arranged on the liquid cooling plate main body and connected with the cooling liquid channel.
Further, a fixed window which is matched with the high-power tooth radiator or the radiating tooth mechanism and is communicated with the cooling liquid channel is formed in the liquid cooling plate main body;
the fixed window comprises a first side wall and a second side wall which are communicated with the cooling liquid channel and are oppositely arranged;
the heat dissipation tooth mechanism or the high-power tooth radiator is arranged on the first side wall and the second side wall.
Further, the novel liquid cooling plate further comprises a first connecting pipe and a second connecting pipe;
one end of the first connecting pipe is connected with the cooling liquid channel, and the other end of the first connecting pipe is connected with one end of the high-power tooth radiator or the radiating tooth mechanism;
one end of the second connecting pipe is connected with the cooling liquid channel, and the other end of the second connecting pipe is connected with the other end of the high-power tooth radiator or the radiating tooth mechanism.
Further, a first counter bore for connecting a cooling liquid channel and a first connecting pipe is formed in the liquid cooling plate main body at the first side wall of the fixed window;
and a second counter bore for connecting the cooling liquid channel and a second connecting pipe is formed in the second side wall of the fixed window.
Further, the first counter bore and the second counter bore comprise a first aperture end and a second aperture end which are integrally connected, and the aperture of the second aperture end is smaller than that of the first aperture end;
the first aperture end is close to the fixed window and used for accommodating soldering tin, and the first connecting pipe or the second connecting pipe.
Further, the high-power tooth radiator comprises a radiating fin plate which is integrally provided with radiating fins;
and the high-power tooth radiator outer cover is used for accommodating the radiating fins on the radiating fin plate and is in sealing connection with the radiating fin plate.
Further, the radiating fin plate further comprises a radiating fin plate body integrally formed with the radiating fin in a stamping mode;
the radiating fins are vertically arranged at the center of the radiating fin plate body, and the adjacent radiating fins are arranged at equal height or at high-low intervals.
Furthermore, the heat dissipation tooth mechanism is arranged on the liquid cooling plate main body and is integrally connected with the liquid cooling plate main body.
Further, the heat dissipation tooth mechanism comprises a heat dissipation tooth concave plate which is provided with heat dissipation teeth in an integrated manner;
and the heat dissipation tooth outer cover is in sealing connection with the heat dissipation tooth concave plate.
Further, a high-power heat dissipation area mark is arranged on the end surface of the liquid cooling plate main body, which is away from the liquid cooling plate cover plate, at the position corresponding to the high-power tooth radiator and/or the heat dissipation tooth mechanism; and/or, a high-power heat dissipation area mark is arranged on the end surface of the liquid cooling plate cover plate, which is away from the liquid cooling plate main body, at the position corresponding to the high-power tooth radiator and/or the heat dissipation tooth mechanism.
Compared with the prior art, the invention discloses a novel liquid cooling plate, which comprises: a liquid cooling plate main body provided with a cooling liquid channel; the liquid cooling plate cover plate is covered on the liquid cooling plate main body and is used for sealing the cooling liquid channel; the heat dissipation tooth mechanism is arranged on the liquid cooling plate main body and connected with the cooling liquid channel; and the high-power tooth radiator is arranged on the liquid cooling plate main body and connected with the cooling liquid channel. The combination of the high-power tooth radiator and the radiating tooth mechanism with the conventional liquid cooling plate is realized; meanwhile, the cooling liquid in the novel liquid cooling plate takes away heat in the high-power tooth radiator timely and rapidly; or the cooling liquid is blocked and dispersed in the cooling tooth mechanism, so that the flow speed of the cooling liquid is reduced, the cooling liquid is uniformly dispersed in the cooling tooth mechanism, the residence time in the cooling tooth mechanism is also effectively prolonged, and the heat exchange time of the novel liquid cooling plate and an object to be cooled is prolonged; meanwhile, in the effective space of the novel liquid cooling plate, the size of the upper runner is effectively expanded, the resistance of the liquid channel on the novel liquid cooling plate is reduced, and then the heat radiation capacity of the novel liquid cooling plate is remarkably improved. That is, the novel liquid cooling plate has both a local high-power heat dissipation function and a local low-power heat dissipation capability, namely, the cooling liquid can take away huge heat conducted by the high-power tooth radiator and huge heat conducted by the heat dissipation tooth mechanism in the circulation process, so that the novel liquid cooling plate can locally dissipate heat at high temperature and ensure integral conventional heat dissipation, and the application range and the cooling capability of the novel liquid cooling plate are effectively improved; and further realizing synchronous and balanced cooling treatment of different thermal areas of the object to be cooled.
Drawings
FIG. 1 is a schematic diagram of a novel liquid cooling plate three-dimensional explosion structure in the invention;
FIG. 2 is a schematic diagram of a three-dimensional structure of a novel liquid cooling plate in the invention;
FIG. 3 is an enlarged schematic view of portion A of FIG. 1 in accordance with the present invention;
FIG. 4 is a schematic perspective exploded view of a high-power tooth radiator of the novel liquid cooling plate of the present invention;
FIG. 5 is a schematic view of a perspective exploded view of a high-power tooth radiator of the novel liquid cooling plate in the invention;
FIG. 6 is a schematic diagram showing a deformation of a novel liquid cooling plate three-dimensional explosion structure in the invention;
FIG. 7a is a schematic front view of a heat dissipating tooth mechanism of a novel liquid cooling plate according to the present invention;
FIG. 7b is a schematic front view of a modified structure of FIG. 7a according to the present invention;
FIG. 7c is a schematic front view of another variation of FIG. 7a in accordance with the present invention;
FIG. 8a is a schematic view of the invention in section in the direction I-I of FIG. 7 a;
FIG. 8b is a schematic front view of a modified structure of FIG. 8a according to the present invention;
FIG. 8c is a schematic front view of another variation of FIG. 8a in accordance with the present invention;
FIG. 9a is a schematic view of the invention in section in the direction II-II of FIG. 7 a;
FIG. 9b is a schematic front view of a modified structure of FIG. 9a according to the present invention;
FIG. 10 is a schematic front view of a modified structure of FIG. 2 according to the present invention;
FIG. 11 is a schematic diagram showing a deformation of a novel liquid cooling plate three-dimensional explosion structure in the invention;
FIG. 12 is a schematic perspective exploded view of a heat dissipating tooth mechanism of a novel liquid cooling plate according to the present invention;
FIG. 13 is a schematic diagram showing a deformation of a stereoscopic explosion structure at another view angle of the novel liquid cooling plate;
FIG. 14a is a schematic diagram of a side view of a novel liquid cooling plate according to the present invention;
FIG. 14b is a schematic view in section in the direction III-III of FIG. 14a according to the invention;
FIG. 14c is an enlarged schematic view of the structure of section B of the present invention 14 a;
FIG. 14d is a schematic view of the structure of the present invention 14c with the first connecting tube removed;
a partial structural schematic;
reference numerals illustrate:
10. a novel liquid cooling plate; 11. a liquid cooling plate main body; 12. a liquid cooling plate cover plate; 13. high-power tooth radiator; 14. a cooling fluid channel; 15. a first connection pipe; 16. a second connection pipe; 17. a heat dissipation tooth mechanism; 111. a fixed window; 112. a first sidewall; 113. a second sidewall; 114. a first counterbore; 115. a second counterbore; 116. a first aperture end; 117. a second aperture end; 121. a heat radiation window; 131. a heat sink plate; 132. high-power tooth radiator outer cover; 133. a heat sink; 134. a fin plate body; 135. a first liquid port; 136. a second liquid port; 137. chamfering; 138. a fixing device; 139. a receiving chamber; 171. radiating teeth; 172. a first port; 173. a second port; 174. a center row of heat dissipation teeth; 175. a heat dissipation tooth concave plate; 176. a heat dissipation tooth outer cover; x, the row direction of the heat dissipation tooth mechanism; y, row direction in the heat dissipation tooth mechanism.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clear and clear, the present invention will be further described in detail below with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
Referring to fig. 1 and 2, in a first embodiment of the present invention, a novel liquid cooling plate 10 is provided, where the novel liquid cooling plate 10 includes a liquid cooling plate main body 11 provided with a cooling liquid channel 14, a liquid cooling plate cover plate 12 covering the liquid cooling plate main body 11 for sealing the cooling liquid channel 14; and a high-power-tooth radiator 13 provided on the liquid cooling plate body 11 and connected to the cooling liquid passage 14. It can be understood that the novel liquid cooling plate 10 comprises a conventional liquid cooling plate composed of a liquid cooling plate main body 11 and a liquid cooling plate cover plate 12, and a high-power tooth radiator 13 fixedly connected or detachably connected between the liquid cooling plate main body 11 and the liquid cooling plate cover plate 12.
That is, the novel liquid cooling plate 10 realizes the combination of the high-power tooth radiator 13 and the conventional liquid cooling plate, so that the novel liquid cooling plate 10 has the local high-power radiating function and the local low-power radiating capacity, namely, the cooling liquid can take away huge heat conducted by the high-power tooth radiator 13 in the circulation process, thereby ensuring local high-temperature radiating and also ensuring integral conventional radiating, effectively improving the application range and the cooling capacity of the novel liquid cooling plate 10, and further realizing synchronous balanced cooling treatment of different thermal areas of an object to be cooled.
Further, a fixing window 111, which is adapted to the high-power tooth radiator 13 and is communicated with the cooling liquid channel 14, is provided on the liquid cooling plate main body 11; the high-power tooth radiator 13 is installed in the fixed window 111 and communicates with the cooling liquid passage 14. That is, the fixing window 111 is a through opening penetrating the liquid cooling plate main body 11, and the shape and the size of the fixing window 111 are adapted to the shape and the size of the high-power tooth radiator 13; further, the shape and size of the high-power tooth heat sink 13 are not larger than those of the fixed window 111; the high-power tooth radiator 13 is accommodated in the fixed window 111; it can be appreciated that the novel liquid cooling plate 10 of the present invention can adjust the position of the fixing window 111 according to the heating position of the object to be cooled, so as to significantly improve the application range and cooling effect of the novel liquid cooling plate 10; and further realizing synchronous and balanced cooling treatment of different thermal areas of the object to be cooled.
Referring to fig. 3, 4 and 5, further, the fixing window 111 includes a first side wall 112 and a second side wall 113 that are in communication with the cooling fluid channel 14 and are disposed opposite to each other; the high-power tooth heat sink 13 is welded and fixed to the first and second side walls 112 and 113. After the high-power tooth heat sink 13 is welded and fixed to the first side wall 112 and the second side wall 113, it is communicated with the cooling liquid channel 14; that is, the fixed window 111 divides the cooling fluid channel 14 into two independent parts, and the high-power tooth radiator 13 is connected in series in the cooling fluid channel 14; thereby ensuring that sufficient cooling liquid is maintained in the high-power tooth radiator 13 and ensuring the circulating flow of the cooling liquid in the novel liquid cooling plate 10.
Further, the novel liquid cooling plate 10 is further provided with a first connecting pipe 15 and a second connecting pipe 16; the high-power tooth radiator 13 is provided with a first end and a second end which are oppositely arranged; the first end is connected with the cooling liquid channel 14 at the first side wall 112 of the fixed window 111 through a first connecting pipe 15; the second end is connected to the cooling fluid channel 14 at the second side wall 113 of the fixed window 111 through a second connection pipe 16.
Further, one end of the first connecting pipe 15 is welded or screwed to the first end of the high-power tooth radiator 13, and the other end is welded or screwed to the liquid cooling plate main body 11; one end of the second connecting pipe 16 is welded or screwed to the first end of the high-power tooth radiator 13, and the other end is welded or screwed to the liquid cooling plate main body 11. It is understood that the high-power tooth radiator 13 may be fixedly connected with the liquid cooling plate main body 11 or detachably connected with the liquid cooling plate main body; when the high-power tooth radiator 13 is fixedly connected with the liquid cooling plate main body 11, the first connecting pipe 15 and the second connecting pipe 16 are welded with the high-power tooth radiator 13 and the liquid cooling plate main body 11; when the high-power tooth radiator 13 is detachably connected with the liquid cooling plate main body 11; the first connecting pipe 15 and the second connecting pipe 16 are in threaded connection with the high-power tooth radiator 13 and the liquid cooling plate main body 11; or, the first connecting pipe 15 and the second connecting pipe 16 are welded with the high-power tooth radiator 13; the first connecting pipe 15 and the second connecting pipe 16 are connected with the liquid cooling plate main body 11 in a screwed manner. Thereby facilitating the maintenance of the high-power tooth radiator 13 and reducing the maintenance difficulty and cost of the novel liquid cooling plate 10.
Further, the high-power tooth radiator cover 132 of the high-power tooth radiator 13 is provided with a first liquid port 135 and a second liquid port 136; the first liquid port 135 is disposed at a first end of the high-power tooth radiator 13, and the second liquid port 136 is disposed at a second end of the high-power tooth radiator 13; the first liquid port 135 and the second liquid port 136 are used for flowing the cooling liquid into or out of the high-power tooth radiator 13. That is, the first fluid port 135 may be connected to the first connection pipe 15 or the second connection pipe 16, and the second fluid port 136 may be connected to the second connection pipe 16 or the first connection pipe 15. Preferably, in the present invention, the first liquid port 135 is connected to the first connecting pipe 15, and the second liquid port 136 is connected to the second connecting pipe 16.
In a variant embodiment, the high-power tooth heat sink 13 comprises a fin plate 131 integrally provided with fins 133; and a high-power tooth radiator cover 132 for accommodating the radiator fins 133 of the radiator fin plate 131 and sealing-connected with the radiator fin plate 131. It will be appreciated that when the fin plate 131 is assembled with the high-tooth radiator cover 132, the fin plate 131 and high-tooth radiator cover 132 are sealed to each other; furthermore, leakage of the cooling liquid in the high-power tooth radiator 13 is effectively avoided; meanwhile, by integrating a large number of cooling fins 133 on the cooling fin plate 131, a large amount of heat can be timely and rapidly absorbed through the cooling fins 133 and is conducted into the cooling liquid, so that rapid cooling treatment of local high temperature is realized, and meanwhile, the liquid cooling plate main body 11 can also ensure integral conventional heat dissipation; meanwhile, synchronous and balanced cooling treatment of different thermal areas of the object to be cooled is realized.
Further, the high-power tooth radiator cover 132 is provided with a cuboid shape with a containing cavity 139 for containing the radiating fins 133; the fin plate body 134 is rectangular, and the cross section of the high-power tooth radiator outer cover 132 is not larger than the cross section of the fin plate body 134; meanwhile, the cross section of the heat radiating fin 133 is not larger than the cross section of the accommodating chamber 139; thereby effectively ensuring the sealing effect of the high-power tooth radiator 13.
Preferably, the high-power tooth radiator cover 132 is welded, riveted or screwed to the fin plate 131. That is, the high-power-tooth heat sink cover 132 is fixedly connected to the fin plate 131 or detachably connected thereto, thereby facilitating maintenance and repair of the high-power-tooth heat sink 13.
Further, fixing means 138 for fixing the high-power tooth radiator 13 to the object to be cooled are provided at the end corners of the fin plate body 134; the fixing means 138 may be an adapted threaded hole and a fixing bolt, a buckle or a magnet; the fixing device 138 in the present invention is preferably four sets of threaded holes and fixing bolts; preferably, a reset spring is sleeved on the fixing bolt, so that the novel liquid cooling plate 10 is convenient to assemble and disassemble. Meanwhile, a chamfer 137 for accommodating the fixing device 138 is formed at the position of the high-power tooth radiator outer cover 132 corresponding to the fixing device 138; thereby significantly facilitating the operation of the fixing device 138 and the fixing installation of the novel liquid cooling plate 10.
In a preferred embodiment, the fin plate 131 further includes a fin plate body 134 integrally stamped with the fin 133; the heat sinks 133 are vertically disposed at the center of the heat sink plate body 134, and the adjacent heat sinks 133 are disposed at equal height or at high-low intervals.
Further, the height of the heat sink 133 is set to be 10-15 times of the interval between the adjacent heat sinks 133; further, the height of the heat sink 133 is set to 11-14 times the interval between the adjacent heat sinks 133; specifically, the height of the heat sink 133 is set to any one of 11, 12, 13, 14 or 15 times the interval between the adjacent heat sinks 133. The flow rate and the flowing state of the cooling liquid in the high-power tooth radiator 13 are improved and optimized, and the heat dissipation effect of the heat dissipation fins 133 is effectively guaranteed.
Referring to fig. 6, in a second embodiment of the present invention, a novel liquid cooling plate 10 is provided, the novel liquid cooling plate 10 includes a liquid cooling plate main body 11 provided with a cooling liquid channel 14, and a liquid cooling plate cover plate 12 covering the liquid cooling plate main body 11 for sealing the cooling liquid channel 14; and a heat radiation tooth mechanism 17 provided on the liquid cooling plate main body 11 and connected to the cooling liquid passage 14.
It can be understood that the novel liquid cooling plate 10 comprises a conventional liquid cooling plate composed of a liquid cooling plate main body 11 and a liquid cooling plate cover plate 12, and a heat dissipation tooth mechanism 17 fixedly connected or detachably connected with the liquid cooling plate main body 11 and the liquid cooling plate cover plate 12; the cooling liquid in the novel liquid cooling plate 10 is blocked and dispersed in the heat dissipation tooth mechanism 17, so that the flow speed of the cooling liquid is reduced, the cooling liquid is uniformly dispersed in the heat dissipation tooth mechanism 17, the residence time in the heat dissipation tooth mechanism 17 is also effectively prolonged, and the heat exchange time between the novel liquid cooling plate 10 and an object to be cooled is prolonged; meanwhile, in the effective space in the novel liquid cooling plate 10, the size of a runner on the novel liquid cooling plate is effectively expanded, and the resistance of the liquid channel on the novel liquid cooling plate 10 is reduced; and further significantly improves the heat dissipation capacity of the novel liquid cooling plate 10.
That is, the heat dissipation tooth mechanism 17 realizes the combination of the heat dissipation tooth mechanism 17 and the conventional liquid cooling plate, so that the novel liquid cooling plate 10 has the local high-power heat dissipation function and the local low-power heat dissipation capability, namely, the cooling liquid can take away huge heat conducted by the heat dissipation tooth mechanism 17 in the circulation process, thereby ensuring local high-temperature heat dissipation and ensuring integral conventional heat dissipation, effectively improving the application range and the cooling capability of the novel liquid cooling plate 10, and further realizing synchronous balanced cooling treatment of different heat areas of an object to be cooled.
In a preferred embodiment, the heat dissipating tooth mechanism 17 is disposed on the liquid cooling plate body 11, is integrally disposed with the liquid cooling plate body 11, and is connected to the cooling liquid channel 14 in series. It can be appreciated that in this embodiment, the heat dissipation tooth mechanism 17 is integrally formed with the liquid cooling plate main body 11 by punching, and is connected with the cooling liquid channel 14, so that the structure of the novel liquid cooling plate 10 is effectively simplified, and the tightness of the novel liquid cooling plate 10 is effectively improved; meanwhile, the heat dissipation tooth mechanism 17 is communicated with the cooling liquid channel 14, so that the flow of cooling liquid in the novel liquid cooling plate 10 is effectively guaranteed, and only the heat of a cooled object is effectively guaranteed to be taken away by the novel liquid cooling plate 10 timely and rapidly.
In a preferred embodiment, the heat dissipating teeth mechanism 17 is provided with heat dissipating teeth 171 for dispersing the choke-flow cooling liquid; the heat dissipation teeth 171 are formed by extending vertically on the liquid cooling plate main body 11, and are integrally formed with the liquid cooling plate main body 11; it can be understood that by arranging the heat dissipation teeth 171 to effectively block and disperse the cooling liquid, the flow rate of the cooling liquid is reduced, the cooling liquid is uniformly dispersed in the heat dissipation teeth mechanism 17, the residence time in the heat dissipation teeth mechanism 17 is effectively prolonged, and the heat exchange time between the novel liquid cooling plate 10 and an object to be cooled is increased; the heat radiation capacity of the heat radiation tooth mechanism 17 area is obviously stronger than that of other parts of the novel liquid cooling plate 10; finally, the novel liquid cooling plate 10 has the functions of local high-power heat dissipation and local low-power heat dissipation, so that the local high-temperature heat dissipation is guaranteed, the overall conventional heat dissipation is guaranteed, the application range and the cooling capacity of the novel liquid cooling plate 10 are effectively improved, and the synchronous balanced cooling treatment of different heat areas of an object to be cooled is realized.
Referring to fig. 7a, further, the heat dissipation teeth 171 in the heat dissipation teeth mechanism 17 are arranged in a matrix, and the heat dissipation teeth 171 arranged in different rows are arranged at equal intervals; that is, the row spacing between the different rows (X-direction) in the heat radiating tooth mechanism 17 is the same. Further, the heat dissipation teeth 171 arranged in the same row in the heat dissipation teeth mechanism 17 are arranged at equal intervals; that is, the heat dissipating teeth 171 in the heat dissipating tooth mechanism 17 are arranged at equal intervals between the heat dissipating teeth 171 in the same row, and the heat dissipating teeth 171 in the same column (Y direction) are arranged at equal intervals; and the complexity of the effective heat dissipation tooth mechanism 17 reduces the manufacturing difficulty of the novel liquid cooling plate 10.
Referring further to fig. 7b, the heat dissipating teeth 171 are preferably disposed on a median line between two adjacent heat dissipating teeth 171 in adjacent rows. That is, the second row of heat dissipating teeth 171 in the heat dissipating tooth mechanism 17 is disposed on a middle vertical line between two heat dissipating teeth 171 with the closest pitch among the first row of heat dissipating teeth 171; meanwhile, the heat dissipating teeth 171 in the third row are also disposed on the middle vertical line between the heat dissipating teeth 171 with the nearest space in the second row. Meanwhile, the heat dissipating teeth 171 in the first row are disposed on a middle vertical line between two heat dissipating teeth 171 with the nearest space in the second row; the heat dissipating teeth 171 in the second row are disposed on a middle vertical line between two heat dissipating teeth 171 with the nearest space in the third row; that is, in the heat dissipation tooth mechanism 17, two adjacent heat dissipation teeth 171 in the same row are arranged in isosceles triangle with the adjacent nearest heat dissipation teeth 171 in the adjacent row.
Furthermore, by arranging the radiating teeth 171 in the radiating tooth mechanism 17, the cooling liquid is fully and uniformly dispersed in the radiating tooth mechanism 17, and the flow direction of each radiating tooth 171 is changed, so that turbulence or vortex is formed in the radiating tooth mechanism 17, the dispersion degree of the cooling liquid in the radiating tooth mechanism 17 is obviously improved, the flow speed of the cooling liquid is reduced, and the residence time of the cooling liquid in the radiating tooth mechanism 17 is prolonged; the heat radiation capacity of the heat radiation tooth mechanism 17 is obviously increased, so that the heat radiation tooth mechanism has the functions of local high-power heat radiation and local low-power heat radiation, local high-temperature heat radiation is guaranteed, the whole conventional heat radiation is guaranteed, the application range and the cooling capacity of the novel liquid cooling plate 10 are effectively improved, and further synchronous balanced cooling treatment of different heat areas of an object to be cooled is realized.
Referring to fig. 7c in combination, in a preferred embodiment, the spacing between the heat dissipating teeth 171 arranged in parallel is gradually increased from the center to the two ends. That is, the heat dissipation teeth 171 of the heat dissipation teeth mechanism 17 are arranged through the letter, the space at the center of the row is minimum, and the edges of the two ends of the row are maximum; and then the cooling liquid in the heat dissipation tooth mechanism 17 is effectively ensured to be fully and uniformly dispersed, and the heat of the whole heat dissipation tooth mechanism 17 area is timely and rapidly absorbed.
Further, the heat dissipation tooth mechanism 17 is set to be any one of rectangle, diamond or circle; it should be noted that, the shape of the heat dissipation tooth mechanism 17 is set according to the shape of the novel liquid cooling plate 10 and the heat distribution situation in the object to be cooled; further, the positions and the number of the heat dissipation tooth mechanisms 17 in the novel liquid cooling plate 10 are set according to the distribution condition of the high temperature area in the object to be cooled, so that the effective cooling treatment of the object to be cooled is ensured.
In another embodiment, the heat dissipation tooth mechanism 17 is provided with a first port 172 and a second port 173 for cooling liquid to enter and exit; that is, the first port 172 and the second port 173 are connected to the cooling liquid passage 14. Meanwhile, the heat dissipation teeth mechanism 17 is provided with a center row of heat dissipation teeth 174 facing the first port 172 and the second port 173 and arranged in a straight line with the first port 172 and the second port 173. It can be appreciated that by providing the center row of heat dissipation teeth 174 arranged in line with the first port 172 and the second port 173, the dispersion degree of the cooling liquid in the heat dissipation teeth mechanism 17 is effectively increased, the flow speed of the cooling liquid is reduced, and the residence time of the cooling liquid in the heat dissipation teeth mechanism 17 is increased; the heat radiation capacity of the heat radiation tooth mechanism 17 is obviously increased, so that the heat radiation tooth mechanism has the functions of local high-power heat radiation and local low-power heat radiation, local high-temperature heat radiation is guaranteed, the whole conventional heat radiation is guaranteed, the application range and the cooling capacity of the novel liquid cooling plate 10 are effectively improved, and further synchronous balanced cooling treatment of different heat areas of an object to be cooled is realized.
In another embodiment, the heat dissipating teeth 171 arranged in parallel are the same height (as shown in fig. 8 a); or the heat radiating teeth 171 arranged in the same row gradually decrease in height from the center of the row to both ends (as shown in fig. 8 b); alternatively, the heat dissipation teeth 171 arranged in the same row are alternately arranged in height (as shown in fig. 8 c). It will be appreciated that the heights of the heat dissipating teeth 171 disposed in the same row in the heat dissipating tooth mechanism 17 may be the same or different.
Further, the heat dissipation teeth 171 of the heat dissipation teeth mechanism 17 are different in height (as shown in fig. 9 a); or the heat radiating teeth 171 arranged in different rows in the heat radiating tooth mechanism 17 are alternately arranged in height (as shown in fig. 9 b). It will be appreciated that the heights of the heat dissipating teeth 171 in the same row in the heat dissipating tooth mechanism 17 may be the same or different.
It can be appreciated that by setting the heights of the heat dissipation teeth 171 arranged in the same row to be the same, the structure of the heat dissipation tooth mechanism 17 is effectively simplified, the manufacturing difficulty of the novel liquid cooling plate 10 is reduced, the production efficiency is improved, and the manufacturing cost of the novel liquid cooling plate 10 is reduced.
By setting the heights of the radiating teeth 171 arranged in the same row to be different, the cooling liquid is effectively and uniformly dispersed in the radiating tooth mechanism 17, and the flow direction of each radiating tooth 171 is changed, so that turbulent flow or vortex is formed in the radiating tooth mechanism 17, the dispersion degree of the cooling liquid in the radiating tooth mechanism 17 is remarkably improved, the flow speed of the cooling liquid is reduced, and the residence time of the cooling liquid in the radiating tooth mechanism 17 is prolonged; the heat radiation capacity of the heat radiation tooth mechanism 17 is obviously increased, so that the heat radiation tooth mechanism has the functions of local high-power heat radiation and local low-power heat radiation, local high-temperature heat radiation is guaranteed, the whole conventional heat radiation is guaranteed, the application range and the cooling capacity of the novel liquid cooling plate 10 are effectively improved, and further synchronous balanced cooling treatment of different heat areas of an object to be cooled is realized.
Referring to fig. 10 and 11 in combination, in a preferred embodiment, the liquid cooling plate main body 11 is provided with a fixing window 111 adapted to the heat dissipation tooth mechanism 17 and communicating with the cooling liquid channel 14; the heat dissipation tooth mechanism 17 is installed in the fixed window 111 and is communicated with the cooling liquid channel 14. That is, the fixing window 111 is a through opening penetrating the liquid cooling plate main body 11, and the shape and the size of the fixing window 111 are adapted to the shape and the size of the heat dissipation tooth mechanism 17; further, the shape and size of the heat dissipation tooth mechanism 17 are not larger than those of the fixed window 111; the heat dissipation tooth mechanism 17 is accommodated in the fixed window 111; it can be appreciated that the novel liquid cooling plate 10 of the present invention can adjust the position of the fixing window 111 according to the heating position of the object to be cooled, so as to significantly improve the application range and cooling effect of the novel liquid cooling plate 10; and further realizing synchronous and balanced cooling treatment of different thermal areas of the object to be cooled.
Further, the heat dissipation tooth mechanism 17 is accommodated in the fixed window and is fixedly connected or detachably connected with the liquid cooling plate main body 11. That is, the heat dissipation tooth mechanism 17 and the liquid cooling plate main body 11 are provided in two independent structures, not in an integrated structure; the heat dissipation tooth mechanism 17 is connected with the liquid cooling plate main body 11 through welding, so that the sealing performance of the novel liquid cooling plate 10 is improved; or, the heat dissipation tooth mechanism 17 is in threaded connection with the liquid cooling plate main body 11, so that maintenance and repair of the heat dissipation tooth mechanism 17 are facilitated, and maintenance difficulty and cost of the novel liquid cooling plate 10 are reduced.
In the above embodiment of the present invention, the liquid cooling plate cover 12 is provided with a heat dissipation window 121 corresponding to the fixing window 111 of the liquid cooling plate main body 11, and the heat dissipation tooth mechanism 17 is further installed, removed or maintained.
Referring to fig. 12 in combination, in a preferred embodiment, the heat dissipating tooth mechanism 17 includes heat dissipating tooth concave plates 175 with integrally formed heat dissipating teeth 171; and a heat radiating tooth cover 176 sealingly connected with the heat radiating tooth recess plate 175. It will be appreciated that when the heat dissipating tooth recess plate 175 is assembled with the heat dissipating tooth outer cover 176, the heat dissipating tooth recess plate 175 and the heat dissipating tooth outer cover 176 are sealed to each other; furthermore, leakage of cooling liquid in the heat dissipation tooth mechanism 17 is effectively avoided; meanwhile, by integrally arranging a large number of heat dissipation teeth 171 on the heat dissipation tooth concave plate 175, the cooling liquid can be blocked and dispersed in the heat dissipation tooth mechanism 17, the flow speed of the cooling liquid is reduced, the cooling liquid is uniformly dispersed in the heat dissipation tooth mechanism 17, the residence time in the heat dissipation tooth mechanism 17 is effectively prolonged, and the heat exchange time between the novel liquid cooling plate 10 and an object to be cooled is prolonged; meanwhile, in the effective space in the novel liquid cooling plate 10, the size of a runner on the novel liquid cooling plate is effectively expanded, and the resistance of the liquid channel on the novel liquid cooling plate 10 is reduced; and further significantly improves the heat dissipation capacity of the novel liquid cooling plate 10.
Referring to fig. 13 in combination, in a third embodiment of the present invention, a novel liquid cooling plate 10 is provided, where the novel liquid cooling plate 10 includes a liquid cooling plate main body 11 provided with a cooling liquid channel 14, a liquid cooling plate cover plate 12 covering the liquid cooling plate main body 11 for sealing the cooling liquid channel 14; a heat radiation tooth mechanism 17 provided on the liquid cooling plate main body 11 and connected to the cooling liquid passage 14; and a high-power-tooth radiator 13 provided on the liquid cooling plate body 11 and connected to the cooling liquid passage 14. It can be understood that the novel liquid cooling plate 10 comprises a conventional liquid cooling plate composed of a liquid cooling plate main body 11 and a liquid cooling plate cover plate 12, and a high-power tooth radiator 13 fixedly connected or detachably connected between the liquid cooling plate main body 11 and the liquid cooling plate cover plate 12.
It can be understood that by arranging the high-power tooth radiator 13 on the novel liquid cooling plate 10, a large amount of heat on the cooled object can be taken away timely and quickly; by arranging the heat dissipation tooth mechanism 17 on the novel liquid cooling plate 10, the cooling liquid can be blocked and dispersed in the heat dissipation tooth mechanism 17, the flow speed of the cooling liquid is reduced, the cooling liquid is uniformly dispersed in the heat dissipation tooth mechanism 17, the residence time in the heat dissipation tooth mechanism 17 is also effectively prolonged, and the heat exchange time between the novel liquid cooling plate 10 and an object to be cooled is prolonged; meanwhile, in the effective space in the novel liquid cooling plate 10, the size of a runner on the novel liquid cooling plate is effectively expanded, and the resistance of the liquid channel on the novel liquid cooling plate 10 is reduced; and further significantly improves the heat dissipation capacity of the novel liquid cooling plate 10.
That is, the novel liquid cooling plate 10 realizes the combination of the high-power liquid cooling plate and the conventional liquid cooling plate, so that the novel liquid cooling plate 10 has the functions of local high-power heat dissipation and local low-power heat dissipation; specifically, the areas where the high-power tooth radiator 13 and the heat dissipation tooth mechanism 17 are located are high-power heat dissipation areas in the novel liquid cooling plate 10, and the other areas outside the high-power tooth radiator 13 and the heat dissipation tooth mechanism 17 are conventional low-power heat dissipation areas of the novel liquid cooling plate 10; this ensures the local high temperature heat dissipation, ensures the overall conventional heat dissipation, effectively promotes the application range and the cooling capacity of the novel liquid cooling plate 10, and further realizes the synchronous and balanced cooling treatment of different heat areas of the object to be cooled.
Further, the liquid cooling plate main body 11 is provided with a fixing window 111 adapted to the high-power tooth radiator 13 or the heat dissipation tooth mechanism 17 and communicated with the cooling liquid channel 14. The fixed window 111 includes a first side wall 112 and a second side wall 113 which are communicated with the cooling liquid channel 14 and are oppositely arranged; the heat radiating tooth mechanism 17 or the high-power tooth heat sink 13 is mounted on the first side wall 112 and the second side wall 113. That is, the fixing window 111 is a through opening penetrating the liquid cooling plate main body 11, and the shape and size of the fixing window 111 are adapted to the shape and size of the high-power tooth radiator 13 or the heat dissipation tooth mechanism 17; further, the shape and size of the high-power tooth heat sink 13 or the heat dissipation tooth mechanism 17 are not larger than the shape and size of the fixed window 111; the high-power tooth radiator 13 or the radiating tooth mechanism 17 is accommodated in the fixed window 111; it can be appreciated that the novel liquid cooling plate 10 of the present invention can adjust the position of the fixing window 111 according to the heating position of the object to be cooled, so as to significantly improve the application range and cooling effect of the novel liquid cooling plate 10; and further realizing synchronous and balanced cooling treatment of different thermal areas of the object to be cooled.
Further, the novel liquid cooling plate 10 further comprises a first connecting pipe 15 and a second connecting pipe 16; one end of the first connecting pipe 15 is connected with the cooling liquid channel 14, and the other end is connected with one end of the high-power tooth radiator 13 or the radiating tooth mechanism 17; one end of the second connecting pipe 16 is connected to the cooling liquid channel 14, and the other end is connected to the other end of the high-power tooth radiator 13 or the radiating tooth mechanism 17.
Further, one end of the first connecting pipe 15 is welded or screwed with one end of the high-power tooth radiator 13 or the heat dissipation tooth mechanism 17, and the other end is welded or screwed with the liquid cooling plate main body 11; one end of the second connecting pipe 16 is welded or screwed to one end of the high-power tooth radiator 13 or the heat radiating tooth mechanism 17, and the other end is welded or screwed to the liquid cooling plate main body 11.
It will be appreciated that the high-power tooth heat sink 13 and the heat dissipation tooth mechanism 17 may be fixedly connected to the liquid cooling plate body 11 or detachably connected. When the high-power tooth radiator 13 or the heat dissipation tooth mechanism 17 is fixedly connected with the liquid cooling plate main body 11, the first connecting pipe 15 and the second connecting pipe 16 are welded with the high-power tooth radiator 13, the heat dissipation tooth mechanism 17 and the liquid cooling plate main body 11; when the high-power tooth radiator 13 or the heat dissipation tooth mechanism 17 is detachably connected with the liquid cooling plate main body 11, the first connecting pipe 15 and the second connecting pipe 16 are in threaded connection with the high-power tooth radiator 13, the heat dissipation tooth mechanism 17 and the liquid cooling plate main body 11; or, the first connecting pipe 15 and the second connecting pipe 16 are welded with the high-power tooth radiator 13 or the radiating tooth mechanism 17; the first connecting pipe 15 and the second connecting pipe 16 are connected with the liquid cooling plate main body 11 in a screwed manner. Thereby facilitating the maintenance of the high-power tooth radiator 13 and reducing the maintenance difficulty and cost of the novel liquid cooling plate 10.
Referring to fig. 14a, 14b, 14c and 14d, further, the liquid cooling plate main body 11 is provided with a first counterbore 114 at a first sidewall 112 of the fixing window 111 for connecting the cooling liquid channel 14 and the first connecting tube 15; and a second counter bore 115 for connecting the cooling fluid channel 144 and the second connection pipe 16 is formed at the second side wall 113 of the fixing window 111. The cooling liquid channel 14 may be a sink formed on an end surface of the liquid cooling plate body 11 contacting the liquid cooling plate cover 12, or may be a counter bore formed in the liquid cooling plate body 11.
The radial cross sections of the first counter bore 114 and the second counter bore 115 are arranged in a convex shape, and comprise a first aperture end 116 and a second aperture end 117 which are integrally connected, wherein the aperture of the second aperture end 117 is smaller than that of the first aperture end 116; meanwhile, the first aperture end 116 is close to the fixing window 111 and is used for accommodating solder, and the first connecting tube 15 or the second connecting tube 16. It can be appreciated that when the high-power tooth heat sink 13 or the heat dissipation tooth mechanism 17 is welded to the liquid cooling plate main body 11 at the fixing window 111, the first connecting pipe 15, the second connecting pipe 16 and the solder are simultaneously accommodated at the first aperture ends 116 of the first counterbore 114 and the second counterbore 115, so that the fluidity of the solder is limited, and the solder is bound at the first aperture ends 116; thereby avoiding the problems of solder overflow and the welding defective products such as false welding, false welding solder overflow and the like caused by the solder overflow.
Further, the high-power tooth heat sink 13 includes a fin plate 131 integrally provided with a fin 133; and a high-power tooth radiator cover 132 for accommodating the radiator fins 133 of the radiator fin plate 131 and sealing-connected with the radiator fin plate 131.
Further, the fin plate 131 further includes a fin plate body 134 integrally formed with the fin 133 by punching; the heat sinks 133 are vertically disposed at the center of the heat sink plate body 134, and the adjacent heat sinks 133 are disposed at equal height or at high-low intervals.
Preferably, the heat dissipation tooth mechanism 17 is disposed on the liquid cooling plate body 11 and is integrally connected with the liquid cooling plate body 11. The heat dissipation tooth mechanism 17 comprises a heat dissipation tooth concave plate 175 integrally provided with heat dissipation teeth 171; and a heat radiating tooth cover 176 sealingly connected with the heat radiating tooth recess plate 175.
Furthermore, a high-power heat dissipation area mark is arranged on the end surface of the liquid cooling plate main body 11, which is away from the liquid cooling plate cover plate 12, at the position corresponding to the high-power tooth radiator 13 and/or the heat dissipation tooth mechanism 17; and/or, a high-power heat dissipation area mark is arranged on the end surface of the liquid cooling plate cover plate 12, which is away from the liquid cooling plate main body 11, at the position corresponding to the high-power tooth radiator 13 and/or the heat dissipation tooth mechanism 17. And then effectually made things convenient for novel liquid cooling board to the accurate installation of heat distribution of waiting to cool off the object, and then realized waiting to cool off the synchronous balanced cooling treatment of the different thermal zones of object.
In the above embodiment of the present invention, the liquid cooling plate cover 12 is provided with a heat dissipation window 121 corresponding to the fixing window 111 of the liquid cooling plate main body 11, so as to mount, dismount or maintain the high-power tooth heat sink 13.
Compared with the prior art, the invention discloses a novel liquid cooling plate, which comprises: a liquid cooling plate main body provided with a cooling liquid channel; the liquid cooling plate cover plate is covered on the liquid cooling plate main body and is used for sealing the cooling liquid channel; the heat dissipation tooth mechanism is arranged on the liquid cooling plate main body and connected with the cooling liquid channel; and the high-power tooth radiator is arranged on the liquid cooling plate main body and connected with the cooling liquid channel. The combination of the high-power tooth radiator and the radiating tooth mechanism with the conventional liquid cooling plate is realized; meanwhile, the cooling liquid in the novel liquid cooling plate takes away heat in the high-power tooth radiator timely and rapidly; or the cooling liquid is blocked and dispersed in the cooling tooth mechanism, so that the flow speed of the cooling liquid is reduced, the cooling liquid is uniformly dispersed in the cooling tooth mechanism, the residence time in the cooling tooth mechanism is also effectively prolonged, and the heat exchange time of the novel liquid cooling plate and an object to be cooled is prolonged; meanwhile, in the effective space of the novel liquid cooling plate, the size of the upper runner is effectively expanded, the resistance of the liquid channel on the novel liquid cooling plate is reduced, and then the heat radiation capacity of the novel liquid cooling plate is remarkably improved. That is, the novel liquid cooling plate has both a local high-power heat dissipation function and a local low-power heat dissipation capability, namely, the cooling liquid can take away huge heat conducted by the high-power tooth radiator and huge heat conducted by the heat dissipation tooth mechanism in the circulation process, so that the novel liquid cooling plate can locally dissipate heat at high temperature and ensure integral conventional heat dissipation, and the application range and the cooling capability of the novel liquid cooling plate are effectively improved; and further realizing synchronous and balanced cooling treatment of different thermal areas of the object to be cooled.
It is to be understood that the invention is not limited in its application to the examples described above, but is capable of modification and variation in light of the above teachings by those skilled in the art, and that all such modifications and variations are intended to be included within the scope of the appended claims.
Claims (5)
1. A novel liquid cooling plate, characterized in that includes:
a liquid cooling plate main body provided with a cooling liquid channel;
the liquid cooling plate cover plate is covered on the liquid cooling plate main body and is used for sealing the cooling liquid channel;
the heat dissipation tooth mechanism is arranged on the liquid cooling plate main body and connected with the cooling liquid channel;
the high-power tooth radiator is arranged on the liquid cooling plate main body and connected with the cooling liquid channel;
the high-power tooth radiator comprises a radiating fin plate which is integrally provided with radiating fins; and a high-power tooth radiator outer cover for accommodating the radiating fins on the radiating fin plate and being in sealing connection with the radiating fin plate; the radiating fin plate further comprises a radiating fin plate body integrally formed with the radiating fin in a stamping mode; the radiating fins are vertically arranged at the center of the radiating fin plate body, and the adjacent radiating fins are arranged at equal height or at high-low intervals;
the heat dissipation tooth mechanism is arranged on the liquid cooling plate main body and is integrally connected with the liquid cooling plate main body; the heat dissipation tooth mechanism comprises a heat dissipation tooth concave plate which is provided with heat dissipation teeth in an integrated manner; and a heat dissipation tooth outer cover in sealing connection with the heat dissipation tooth concave plate;
a fixed window which is matched with the high-power tooth radiator and is communicated with the cooling liquid channel is formed in the liquid cooling plate main body; the high-power tooth radiator is arranged in the fixed window and is communicated with the cooling liquid channel; the fixed window is a through hole which is formed in the liquid cooling plate main body in a penetrating way, and the shape and the size of the fixed window are matched with those of the high-power tooth radiator; adjusting the position of the fixed window according to the heating part of the object to be cooled;
the high-power tooth radiator is connected in series in the cooling liquid channel, and the heat dissipation tooth mechanism is connected in series with the cooling liquid channel.
2. The novel liquid cooling plate according to claim 1, wherein,
the novel liquid cooling plate further comprises a first connecting pipe and a second connecting pipe;
one end of the first connecting pipe is connected with the cooling liquid channel, and the other end of the first connecting pipe is connected with one end of the high-power tooth radiator or the radiating tooth mechanism;
one end of the second connecting pipe is connected with the cooling liquid channel, and the other end of the second connecting pipe is connected with the other end of the high-power tooth radiator or the radiating tooth mechanism.
3. The novel liquid cooling plate according to claim 2, wherein,
the liquid cooling plate main body is provided with a first counter bore for connecting a cooling liquid channel and a first connecting pipe at the first side wall of the fixed window;
and a second counter bore for connecting the cooling liquid channel and a second connecting pipe is formed in the second side wall of the fixed window.
4. The novel liquid cooling plate according to claim 3, wherein,
the first counter bore and the second counter bore comprise a first aperture end and a second aperture end which are integrally connected, and the aperture of the second aperture end is smaller than that of the first aperture end;
the first aperture end is close to the fixed window and used for accommodating soldering tin, and the first connecting pipe or the second connecting pipe.
5. The novel liquid cooling plate according to any one of claims 1 to 4, wherein,
a high-power heat dissipation area mark is arranged on the end surface of the liquid cooling plate main body, which is away from the liquid cooling plate cover plate, and corresponds to the high-power tooth radiator and/or the heat dissipation tooth mechanism; and/or, a high-power heat dissipation area mark is arranged on the end surface of the liquid cooling plate cover plate, which is away from the liquid cooling plate main body, at the position corresponding to the high-power tooth radiator and/or the heat dissipation tooth mechanism.
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| CN201910532697.XA CN110173957B (en) | 2019-06-19 | 2019-06-19 | Novel liquid cooling plate |
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| CN103298317A (en) * | 2012-02-24 | 2013-09-11 | 三菱电机株式会社 | Cooler and cooling device |
| EP2844051A2 (en) * | 2013-09-03 | 2015-03-04 | SEMIKRON Elektronik GmbH & Co. KG | Power semiconductor device and method for producing a power semiconductor device |
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