Liquid cooling plate and electronic equipment
By setting up a closed circuit that blocks the channel and the main channel on the liquid-cooled plate, the counterflow problem caused by the single channel structure of the liquid-cooled plate is solved, and the stable and rapid flow of coolant and efficient heat dissipation are achieved.
Patent Information
- Application Number
- CN202420627322.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-27
- Publication Date
- 2025-01-03
- Estimated Expiration
- 2034-03-27
AI Technical Summary
The channel structure of the existing liquid-cooled plates is single and simple, which leads to the reverse flow of the coolant, resulting in poor cooling effect. It is necessary to rely on a water pump to increase the flow rate of the coolant to prevent the reverse flow, which increases the cooling cost.
A liquid-cooled plate is designed. By providing a first liquid-cooled part and a second liquid-cooled part on the substrate, the flow direction of the coolant is opposite, and a closed loop is formed by a blocking channel, which is connected to the main channel. The coolant flows in the forward flow, and forms convection during the reverse flow, increasing flow resistance and preventing counterflow.
Effectively prevent the counterflow of coolant, achieve stable and fast forward flow of coolant, improve heat dissipation effect and flow stability, and reduce cooling costs.
Smart Images
Figure CN222302252U_ABST
Abstract
Description
Technical Field
[0001] The present application relates to the field of liquid cooling technology, and in particular provides a liquid cooling plate and an electronic device. Background Art
[0002] With the advancement of science and technology, electronic equipment has gradually made technological breakthroughs in lightweight and miniaturization. The heat flux density of electronic equipment is getting larger and larger, and the heat dissipation problem is becoming more and more serious. Appropriate heat dissipation methods are urgently needed to reduce the temperature of electronic equipment to improve product reliability. Liquid cooling uses liquid to remove the heat generated by electronic equipment. Compared with traditional air cooling design, liquid has a larger specific heat capacity and a higher heat transfer coefficient, making liquid cooling have a stronger and more efficient heat dissipation capacity.
[0003] Liquid cooling through a liquid cooling plate is a common method in the prior art. However, the channel structure of the current liquid cooling plate is relatively simple, and there is a backflow phenomenon of the coolant, resulting in poor cooling effect. It is necessary to rely on the pressure of the water pump to increase the flow rate of the coolant to prevent the backflow of the coolant, which greatly increases the cooling cost. Utility Model Content
[0004] The purpose of the embodiments of the present application is to provide a liquid cooling plate and a liquid cooling device, aiming to solve the problem that the channel structure of the existing liquid cooling plate is simple, the coolant may flow back, and the cooling effect is poor.
[0005] To achieve the above purpose, the technical solution adopted in this application is:
[0006] In a first aspect, an embodiment of the present application provides a liquid cooling plate for allowing a cooling liquid to flow through; the liquid cooling plate includes a substrate, the substrate is formed with a first liquid cooling part, a second liquid cooling part and a conducting part connected between the first liquid cooling part and the second liquid cooling part; the first liquid cooling part and the second liquid cooling part are arranged in isolation along a first direction, and the first liquid cooling part and the second liquid cooling part each include a plurality of grooves, and the extension direction of the grooves is perpendicular to the first direction; the forward flow direction of the cooling liquid in the groove of the first liquid cooling part is opposite to the forward flow direction of the cooling liquid in the groove of the second liquid cooling part; a single groove includes a main groove and blocking grooves respectively formed on opposite sides of the main groove, and the blocking groove is connected to the main groove to form a closed loop; wherein, when the cooling liquid flows in the forward direction, a confluence is formed at one of the connecting points between the main groove and the blocking groove, and when the cooling liquid flows in the reverse direction, convection is formed at the other connecting point between the main groove and the blocking groove.
[0007] In one possible design, the blocking channel includes a DC branch and an arc branch connected to the DC branch; the DC branch has a first intersection intersecting with the main channel, and the arc branch has a second intersection intersecting with the main channel; the coolant forms the confluence at the first intersection, and the coolant forms the convection at the second intersection.
[0008] By adopting the above technical solution, the blocking channel specifically changes the direction of the coolant backflow through the arc branch so that the coolant forms convection with the coolant backflowing in the main channel, thereby forming a huge resistance, making it difficult for the coolant to backflow in the opposite direction and can only flow in the forward direction.
[0009] In a possible design, a plurality of blocking grooves spaced apart along a second direction are respectively provided on both sides of the main groove, and the second direction is an extension direction of the grooves.
[0010] By adopting the above technical solution, a plurality of blocking channels connected in series are formed in the main channel, that is, it is difficult for the coolant to flow back in the entire main channel.
[0011] In a possible design, the substrate forms a convex strip in the channel to define the main channel and the blocking channel.
[0012] By adopting the above technical solution, the substrate is processed by die casting to form a groove, and the groove is structurally divided by reserving convex strips in the groove, thereby forming a main groove and a blocking groove. The structural design is simple and the process difficulty is reduced.
[0013] In a possible design, the end of the convex strip close to the arc-shaped branch is in an arc shape, and the end of the convex strip away from the arc-shaped branch forms a sharp corner.
[0014] By adopting the above technical solution, the end of the convex strip close to the arc branch is in an arc shape and can adapt to the arc branch to effectively guide the coolant; the end of the convex strip away from the arc branch forms a sharp angle, so that the coolant in the main channel can quickly merge with the coolant in the DC branch at the first intersection and pass through faster.
[0015] In a possible design, a liquid inlet and a liquid outlet are provided on the substrate; one end of the main channel in the first liquid cooling part is connected to the liquid inlet, and the other end is connected to the conductive part; one end of the main channel in the second liquid cooling part is connected to the conductive part, and the other end is connected to the liquid outlet.
[0016] In a possible design, the liquid inlet and the liquid outlet are formed on the same side wall of the substrate.
[0017] By adopting the above technical solution, the cooling liquid flows through the channels of the first liquid cooling part and the second liquid cooling part in sequence. By setting the first liquid cooling part and the second liquid cooling part, the cooling liquid flows in different directions in the substrate, which facilitates the injection of cooling liquid into the liquid cooling plate and the recovery of cold zone liquid on the same side of the substrate.
[0018] In one possible design, the first liquid cooling part includes a plurality of the grooves spaced apart along the first direction; the second liquid cooling part includes a plurality of the grooves spaced apart along the first direction; and an arrangement direction of the blocking grooves in the grooves of the first liquid cooling part is opposite to an arrangement direction of the blocking grooves in the grooves of the second liquid cooling part.
[0019] By adopting the above technical solution, the first liquid cooling part and the second liquid cooling part each include a plurality of grooves, that is, a plurality of grooves are evenly distributed on the substrate, and the coolant can flow through each groove, that is, the coolant can basically flow through the entire substrate, thereby achieving a good and efficient heat dissipation effect.
[0020] In a possible design, the liquid cooling plate further includes a cover plate coupled to and connected to the base plate.
[0021] In a second aspect, the present application provides an electronic device, comprising the liquid cooling plate.
[0022] The beneficial effects of the liquid cooling plate and the electronic device provided by the embodiment of the present application are: by arranging the first liquid cooling part and the second liquid cooling part on the substrate, the cooling liquid is used to flow through the first liquid cooling part, the conductive part and the second liquid cooling part in sequence to achieve liquid cooling heat dissipation, which can better take away the heat; the flow direction of the cooling liquid in the groove of the first liquid cooling part is opposite to the flow direction of the cooling liquid in the groove of the second liquid cooling part, which is convenient for injecting the cooling liquid and recovering the cooling liquid on the same side of the substrate, and the structural design is more reasonable. And by arranging the blocking groove on the opposite sides of the main groove, when the cooling liquid flows forward, the cooling liquid will be divided into two paths, one of which flows through the main groove and the other flows through the blocking groove, and then the two cooling liquids converge at one of the connecting points, and the effect of accelerating the flow is achieved; when the cooling liquid flows in the reverse direction, the flow directions of the two cooling liquids in the blocking groove and the main groove at another connecting point are contrary, so a great resistance is formed, and the cooling liquid is difficult to flow in the reverse direction, which effectively prevents the cooling liquid from flowing back; so that the cooling liquid can flow stably and quickly in the groove in the forward direction, and the flow stability is good. BRIEF DESCRIPTION OF THE DRAWINGS
[0023] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.
[0024] Figure 1 A schematic diagram of the side structure of a liquid cooling plate provided in one embodiment of the present application;
[0025] Figure 2 A schematic structural diagram of a substrate of a liquid cooling plate provided in one embodiment of the present application;
[0026] Figure 3 for Figure 2 The enlarged view of the local A in the middle, where the coolant is shown to flow in the forward direction;
[0027] Figure 4 for Figure 2 An enlarged view of part A in the figure, in which the coolant is shown to flow in the reverse direction.
[0028] Among them, the reference numerals in the figure are:
[0029] 100. Liquid cooling plate;
[0030] 1. substrate; 101. liquid inlet; 102. liquid outlet; 2. first liquid cooling unit; 3. second liquid cooling unit;
[0031] 4. Conducting part; 5. Groove; 6. Main groove;
[0032] 7. blocking channel; 701. DC branch; 702. arc branch;
[0033] 8. first intersection; 9. second intersection; 10. convex strip; 1001. sharp corner; 11. cover plate;
[0034] X, first direction; Y, second direction. DETAILED DESCRIPTION
[0035] Embodiments of the present application are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present application, and should not be construed as limiting the present application.
[0036] In the description of the present application, it should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.
[0037] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of this application, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.
[0038] In this application, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.
[0039] In the present application, the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" etc. mean that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the described specific features, structures, materials or characteristics may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of the different embodiments or examples, without contradiction.
[0040] With the advancement of science and technology, electronic equipment has gradually made technological breakthroughs in lightweight and miniaturization. The heat flux density of electronic equipment is getting larger and larger, and the heat dissipation problem is becoming more and more serious. There is an urgent need for appropriate heat dissipation methods to reduce the temperature of electronic equipment to improve product reliability. Liquid cooling uses liquid to take away the heat generated by electronic equipment. Compared with traditional air cooling design, liquid has a larger specific heat capacity and a higher heat transfer coefficient, making liquid cooling have a stronger and more efficient heat dissipation capacity. Liquid cooling through a liquid cooling plate is a common method in the prior art, but the current channel structure of the liquid cooling plate is relatively simple, and there is a backflow phenomenon in the coolant, resulting in poor cooling effect; it is necessary to rely on the pressure of the water pump to increase the flow rate of the coolant to prevent the backflow of the coolant, which greatly increases the cooling cost.
[0041] Based on this, in order to solve the above problems, the present application designs a liquid cooling plate, which realizes liquid cooling heat dissipation by arranging a first liquid cooling part and a second liquid cooling part on a substrate, and utilizing the coolant to flow through the first liquid cooling part, the conducting part and the second liquid cooling part in sequence; and the flow direction of the coolant in the groove of the first liquid cooling part is opposite to the flow direction of the coolant in the groove of the second liquid cooling part, which is convenient for injecting coolant and recovering coolant on the same side of the substrate, and the structural design is more reasonable; and by arranging blocking grooves on both sides of the main groove, when the coolant flows forward, the coolant will be divided into two paths, one of which flows through the main groove and the other flows through the blocking groove, and then the two paths of coolant converge at the connecting point and achieve the effect of accelerating the flow; when the coolant flows in the opposite direction, the flow directions of the two paths of coolant in the blocking groove and the main groove are opposite, so a great resistance is formed, making it difficult for the coolant to flow in the opposite direction, effectively preventing the coolant from flowing back; so that the coolant can flow stably in the forward direction in the groove, and the flow stability is good.
[0042] refer to Figure 2 , Figure 3 , Figure 4 In a first aspect, an embodiment of the present application provides a liquid cooling plate 100 for allowing a cooling liquid to flow through; the liquid cooling plate 100 includes a substrate 1, the substrate 1 is formed with a first liquid cooling portion 2, a second liquid cooling portion 3, and a conducting portion 4 connected between the first liquid cooling portion 2 and the second liquid cooling portion 3; the first liquid cooling portion 2 and the second liquid cooling portion 3 are separated and arranged along a first direction X, and the first liquid cooling portion 2 and the second liquid cooling portion 3 respectively include a plurality of grooves 5 arranged at intervals along the first direction X, and the extension direction of the grooves 5 is parallel to the first direction X. vertical; the forward flow direction of the coolant in the channel 5 of the first liquid cooling part 2 is opposite to the forward flow direction of the coolant in the channel of the second liquid cooling part 3; the single channel 5 includes a main channel 6 and a blocking channel 7 formed on opposite sides of the main channel 6, and a closed loop is formed between the blocking channel 7 and the main channel 6; when the coolant flows in the forward direction, a confluence is formed at one of the connecting points between the main channel 6 and the blocking channel 7, and when the coolant flows in the reverse direction, a convection is formed at the other connecting point between the main channel 6 and the blocking channel 7.
[0043] The liquid cooling plate 100 of the present application realizes liquid cooling and heat dissipation by using the cooling liquid to flow through the first liquid cooling part 2, the conductive part 4 and the second liquid cooling part 3 in sequence; Figure 2 The first direction X is the X direction shown in the figure. In some embodiments, the first direction is the width direction of the substrate 1. The groove 5 extends along the length direction of the substrate 1, so that the first liquid cooling part 2 and the second liquid cooling part 3 have a reasonable structural layout. The first liquid cooling part 2 and the second liquid cooling part 3 can be evenly distributed on the substrate 1. The cooling liquid disperses and flows through various positions of the substrate 1, which can better take away the heat.
[0044] It can be understood that the number of the grooves 5 of the first liquid cooling part 2 can be one or more than two, and the number of the grooves 5 of the second liquid cooling part 3 can be one or two. When the number of the grooves 5 of the first liquid cooling part 2 is one, or the number of the grooves 5 of the second liquid cooling part 3 is one, the flow rate in the grooves 5 is adjusted by adjusting the inner diameter of the single groove 5 to achieve a good liquid cooling heat dissipation effect. Alternatively, the first liquid cooling part 2 and the second liquid cooling part 3 each include a plurality of grooves 5, so that a plurality of grooves 5 are evenly distributed on the substrate 1, and the coolant can flow through each groove 5, that is, the coolant can basically flow through the entire substrate 1, thereby achieving a good and efficient heat dissipation effect.
[0045] refer to Figure 1 In some embodiments, the substrate 1 is further formed with a liquid inlet 101 and a liquid outlet 102, one end of the groove 5 in the first liquid cooling part 2 is connected to the liquid inlet 101, and the other end is connected to the conductive part 4; one end of the groove 5 in the second liquid cooling part 3 is connected to the conductive part 4, and the other end is connected to the liquid outlet 102; the flow direction of the coolant in the groove 5 of the first liquid cooling part 2 will be opposite to the flow direction of the coolant in the groove 5 of the second liquid cooling part 3, and then the liquid inlet 101 and the liquid outlet 102 can be set in the same side area of the substrate 1, which is convenient for injecting coolant and recovering coolant on the same side of the substrate 1, and the structural design is more reasonable.
[0046] Specifically, blocking grooves 7 are formed on opposite sides of the main groove 6, and the opposite sides of the main groove 6 are the two sides of the main groove 6 in the first direction X; the blocking groove 7 is connected with the main groove 6 to form a closed loop. When the coolant flows forward, the coolant will be divided into two paths, one of which flows through the main groove 6 and the other flows through the blocking groove 7. Then the two paths of coolant converge at one of the connecting points and achieve the effect of accelerating the flow; when the coolant flows in the reverse direction, the two paths of coolant in the main groove 6 and the blocking groove 7 form convection at another connecting point, thereby forming a great resistance. The blocking groove 7 can form a deceleration groove, making it difficult for the coolant to flow backward, so that the coolant can flow rapidly and stably in the forward direction in the groove 5, and the flow stability is good. And here, the specific number of the blocking grooves 7 is not limited, and it is sufficient to be able to limit the backflow of the coolant.
[0047] The liquid cooling plate of the present application, by setting the first liquid cooling part and the second liquid cooling part on the substrate 1, the flow direction of the coolant in the channel 5 of the first liquid cooling part 2 will be opposite to the flow direction of the coolant in the channel 5 of the second liquid cooling part 3, and then the liquid inlet 101 and the liquid outlet 102 can be set on the same side end of the substrate 1, which is convenient for injecting and recovering the coolant on the same side of the substrate 1, and the structural design is more reasonable. And by setting the blocking channel 7 on both sides of the main channel 6, when the coolant flows forward, the coolant will be divided into two paths, one of which flows through the main channel 6 and the other flows through the blocking channel 7, and then the two coolants converge at one of the connecting points, and achieve the effect of accelerating the flow; when the coolant flows in the reverse direction, the flow directions of the two coolants in the blocking channel 7 and the main channel 6 are opposite at the other connecting point, so a great resistance is formed, making it difficult for the coolant to flow in the reverse direction, effectively preventing the coolant from flowing back; so that the coolant can flow stably and quickly in the forward direction in the channel, and the flow stability is good.
[0048] refer to Figure 2 , Figure 3 , Figure 4 In some embodiments, the blocking channel 7 includes a DC branch 701 and an arc branch 702 connected to the DC branch 701; the DC branch 701 has a first intersection 8 intersecting with the main channel 6, and the arc branch 702 has a second intersection 9 intersecting with the main channel 6; the coolant forms a convergence at the first intersection 8, and the coolant forms convection at the second intersection 9.
[0049] Specifically, refer to Figure 3 When the coolant flows forward, the coolant will be divided into two paths at the second intersection 9, one of which flows through the main channel 6 and the other flows through the blocking channel 7. Then the two coolants will converge at the first intersection 8 and achieve the effect of accelerating the flow of the coolant. Figure 4When the coolant flows back, part of the coolant flows through the first intersection 8 in sequence through the DC branch 701 and the arc branch 702. The blocking groove 7 specifically changes the direction of the coolant through the arc branch 702 so that the coolant flows into the second intersection 9 and forms convection with the coolant flowing back in the main groove 6, thereby forming a huge resistance, making it difficult for the coolant to flow back and forth, and can only flow in the forward direction.
[0050] In some embodiments, a plurality of blocking grooves 7 spaced apart along a second direction Y are respectively disposed on both sides of the main groove 6 , and the second direction Y is the extension direction of the groove 5 .
[0051] The second direction Y is the Y direction shown in the figure, and the second direction Y is perpendicular to the first direction X; that is, a plurality of blocking grooves 7 connected in series are formed in the main groove 6, so that the coolant is unlikely to flow back in the entire main groove 6.
[0052] Specifically, refer to Figure 2 , the channel 5 of the present application adopts a special circuit design similar to the Tesla valve. When the coolant passes through the channel 5 in the forward direction, the coolant will be divided into two paths at each second intersection 9, one of which flows through the main channel 6 and the other flows through the blocking channel 7. After that, the two coolant paths will converge at the first intersection 8 and achieve the effect of accelerating the flow of the coolant. On the contrary, if the coolant flows in the opposite direction in the channel 5, the coolant will also be divided into two paths at the first intersection 8 and converge again at the second intersection 9. The difference is that this time, the flow directions of the two coolant paths are opposite, so a huge resistance is formed.
[0053] It can be understood that the groove 5 of the present application effectively limits the backflow of the coolant by utilizing the characteristics of the Tesla valve that it can accelerate the flow in the forward direction but is difficult to flow in the reverse direction, and can also accelerate the forward flow of the coolant; thereby reducing the flow loss. The smaller the flow loss, the smaller the flow resistance of the flow channel, which can reduce the pressure difference between the liquid inlet 101 and the liquid outlet 102 of the liquid cooling plate 100.
[0054] In some embodiments, the substrate 1 has a protrusion 10 formed in the channel 5 to define the main channel 6 and the blocking channel 7 .
[0055] In some embodiments, the present application specifically uses a die-casting method to process the substrate 1 to form the groove 5, and reserves a convex strip 10 in the groove 5 to structurally divide the groove 5, thereby forming a main groove 6 and a blocking groove 7. The structural design is simple and the process difficulty is reduced.
[0056] In some embodiments, one end of the convex strip 10 close to the arc-shaped branch 702 is in an arc shape, and one end of the convex strip 10 away from the arc-shaped branch 702 forms a sharp corner 1001 .
[0057] Specifically, the end of the convex strip 10 close to the arc branch 702 is in an arc shape, which can be adapted to the arc branch 702 to effectively guide the coolant; the end of the convex strip 10 away from the arc branch forms a sharp corner 1001, so that the coolant in the main groove 6 can quickly merge with the coolant in the DC branch 701 at the first intersection 8 and pass through faster.
[0058] refer to Figure 1 , Figure 2 In some embodiments, a liquid inlet 101 and a liquid outlet 102 are provided on the substrate 1; one end of the main channel 6 in the first liquid cooling part 2 is connected to the liquid inlet 101, and the other end is connected to the conductive part 4; one end of the main channel 6 in the second liquid cooling part 3 is connected to the conductive part 4, and the other end is connected to the liquid outlet 102.
[0059] Specifically, the liquid inlet 101 is respectively connected to each main groove 6 in the first liquid cooling part 2, and the liquid outlet 102 is respectively connected to each main groove 6 in the second liquid cooling part 3; after the coolant is injected from the liquid inlet 101, it flows through the first liquid cooling part 2, the conducting part 4 and the second liquid cooling part 3 in sequence. By arranging the first liquid cooling part 2 and the second liquid cooling part 3, it is convenient to arrange the liquid inlet 101 and the liquid outlet 102 in the same side area of the substrate 1, and then the coolant can be injected into the liquid cooling plate 100 and the coolant can be recovered on the same side of the substrate 1, and the structural design is more reasonable.
[0060] In some embodiments, the liquid inlet 101 and the liquid outlet 102 are formed on the same side wall of the substrate 1 .
[0061] Specifically, the conducting part 4 is extended along the first direction X, the conducting part 4 is connected to each main channel 6 in the first liquid cooling part 2, and the conducting part 4 is connected to each main channel 6 in the second liquid cooling part 3; the flow direction of the coolant in the first liquid cooling part 2 is opposite to the flow direction of the coolant in the second liquid cooling part 3. The liquid inlet 101 and the liquid outlet 102 are located on the same side wall of the substrate 1, so that the cooling liquid pipeline is arranged on the same side end of the substrate 1 to inject the cooling liquid into the liquid cooling plate 100 and recover the cooling liquid.
[0062] refer to Figure 1 In some embodiments, the liquid cooling plate 100 further includes a cover plate 11 coupled to the base plate 1 .
[0063] It can be understood that the plurality of grooves 5 are formed by die-casting the base plate 1 and then the cover plate 11 is coupled to the base plate 1 to form a seal on each groove 5 , so that the groove 5 forms a flow channel for the coolant to flow through.
[0064] In some embodiments, the first liquid cooling part 2 includes a plurality of grooves 5 spaced apart along a first direction X; the second liquid cooling part 3 includes a plurality of grooves 5 spaced apart along a first direction X; and an arrangement direction of the blocking grooves 7 in the grooves 5 of the first liquid cooling part 2 is opposite to an arrangement direction of the blocking grooves 7 in the grooves 5 of the second liquid cooling part 3.
[0065] It can be understood that the first liquid cooling part 2 and the second liquid cooling part 3 each include a plurality of grooves 5, that is, a plurality of grooves 5 are evenly distributed on the substrate 1, and the coolant can flow through each groove 5, that is, the coolant can basically flow through the entire substrate 1, thereby achieving a good and efficient heat dissipation effect.
[0066] Since the direction in which the coolant flows forward through the first liquid cooling part 2 is opposite to the direction in which the coolant flows forward through the second liquid cooling part 3, the layout direction of the blocking groove 7 in the groove 5 of the first liquid cooling part 2 is opposite to the layout direction of the blocking groove 7 in the groove 5 of the second liquid cooling part 3, which can effectively block the cooling liquid from flowing back in the first liquid cooling part 2 and the second liquid cooling part 3.
[0067] By adopting the above technical solution, the flow direction of the coolant in the first liquid cooling part 2 is opposite to the flow direction of the coolant in the second liquid cooling part 3, so the layout direction of the blocking grooves 7 is also opposite.
[0068] The second aspect of the present application further provides an electronic device, which includes the above-mentioned liquid cooling plate 100, and the electronic device is cooled by the liquid cooling plate 100. The electronic device can specifically be a computer, a battery pack, a display, and the like.
[0069] The above are only preferred embodiments of the present application and are not intended to limit the present application. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present application should be included in the protection scope of the present application.
Claims
1. A liquid cooling plate, for allowing a cooling liquid to flow through; characterized in that: The liquid cooling plate includes a substrate, the substrate is formed with a first liquid cooling part, a second liquid cooling part and a conducting part connected between the first liquid cooling part and the second liquid cooling part; the first liquid cooling part and the second liquid cooling part are arranged in isolation along a first direction, and the first liquid cooling part and the second liquid cooling part each include a plurality of grooves, and the extension direction of the grooves is perpendicular to the first direction; the forward flow direction of the coolant in the groove of the first liquid cooling part is opposite to the forward flow direction of the coolant in the groove of the second liquid cooling part; a single groove includes a main groove and blocking grooves respectively formed on opposite sides of the main groove, and the blocking groove is connected with the main groove to form a closed loop; Wherein, when the coolant flows in the forward direction, a confluence is formed at one of the connecting points between the main channel and the blocking channel, and when the coolant flows in the reverse direction, a convection is formed at the other connecting point between the main channel and the blocking channel.
2. The liquid cooling plate according to claim 1, characterized in that: The blocking channel includes a DC branch and an arc-shaped branch connected to the DC branch; the DC branch has a first intersection intersecting with the main channel, and the arc-shaped branch has a second intersection intersecting with the main channel; The cooling liquid forms the confluence at the first intersection, and the cooling liquid forms the convection at the second intersection.
3. The liquid cooling plate according to claim 1 or 2, characterized in that: A plurality of blocking grooves are respectively provided on both sides of the main groove and are spaced apart and distributed along a second direction, and the second direction is an extension direction of the grooves.
4. The liquid cooling plate according to claim 2, characterized in that: The substrate is provided with convex strips in the channel to define the main channel and the blocking channel.
5. The liquid cooling plate according to claim 4, characterized in that: One end of the convex strip close to the arc-shaped branch is in an arc shape, and one end of the convex strip away from the arc-shaped branch forms a sharp corner.
6. The liquid cooling plate according to claim 1, characterized in that: A liquid inlet and a liquid outlet are provided on the substrate; one end of the main channel in the first liquid cooling part is connected to the liquid inlet, and the other end is connected to the conductive part; one end of the main channel in the second liquid cooling part is connected to the conductive part, and the other end is connected to the liquid outlet.
7. The liquid cooling plate according to claim 6, characterized in that: The liquid inlet and the liquid outlet are formed on the same side wall of the substrate.
8. The liquid cooling plate according to claim 1, characterized in that: The first liquid cooling part includes a plurality of the grooves spaced apart along the first direction; the second liquid cooling part includes a plurality of the grooves spaced apart along the first direction; and an arrangement direction of the blocking grooves in the grooves of the first liquid cooling part is opposite to an arrangement direction of the blocking grooves in the grooves of the second liquid cooling part.
9. The liquid cooling plate according to claim 1, characterized in that: The liquid cooling plate further comprises a cover plate which is coupled to the base plate.
10. An electronic device, characterized in that: Comprising the liquid cooling plate as described in any one of claims 1-9.