Radiator design method, radiator screw spring force calculation method, and related devices

Abstract

This invention discloses a heat sink design method, a heat sink screw spring force calculation method, and related equipment. The heat sink screw spring force calculation method includes: obtaining the stress requirements of each chip; based on the stress requirements of each chip and the coordinates of each screw on the heat sink, constructing a set of equations for screw spring force calculation using the principles of total force balance and torque balance; and solving the equations to obtain the magnitude of the spring force of each screw. This invention, by obtaining the coordinates of each screw on the heat sink, combining the stress requirements of the chip, and using the principles of total force balance and torque balance to construct a set of equations for screw spring force calculation, and finally solving the equations to obtain the magnitude of the spring force of each screw, can quickly and accurately calculate the magnitude of the spring force of each screw compared to relying on experience to determine the spring force of each screw. This avoids empirical errors, ensures uniform stress on the chip, meets heat dissipation requirements, and guarantees product reliability.

Description

Technical Field

[0001] This invention relates to the field of radiator design technology, and in particular to a radiator design method, a method for calculating the spring force of radiator screws, and related equipment. Background Technology

[0002] Traditional chip heatsink designs typically target a single chip, with heatsink screws evenly and symmetrically distributed, and each screw applying a consistent spring force to ensure uniform stress on the chip. However, in some card-type projects (such as graphics cards and accelerator cards), due to space constraints, multiple chips need to share a single heatsink, and the placement of the heatsink screws is affected by the layout, preventing them from being evenly and symmetrically distributed. This necessitates that the spring forces applied by each screw be inconsistent to meet the requirement of uniform stress on the chip.

[0003] In scenarios where multiple chips share a single heat sink, existing technologies lack a systematic method for calculating screw spring forces when screws are not uniformly distributed. The magnitude of screw spring forces often depends on experience, which can easily lead to uneven stress on the chip, affecting heat dissipation and product reliability. Summary of the Invention

[0004] The technical problem to be solved by the present invention is to provide a heat sink design method, a heat sink screw spring force calculation method, an apparatus, a computer device, and a computer-readable storage medium. When designing a heat sink with non-uniformly distributed screws, the heat sink screw spring force calculation method can quickly and accurately calculate the spring force of each screw, ensuring that each chip is subjected to uniform force, thereby meeting heat dissipation requirements and ensuring product reliability.

[0005] In a first aspect, the present invention provides a method for calculating the spring force of a heat sink screw, used to calculate the spring force of each screw on a heat sink used to assist multiple chips in heat dissipation. The method for calculating the spring force of the heat sink screw includes the following steps: obtaining the force requirements of each chip; based on the force requirements of each chip and the coordinates of each screw on the heat sink, constructing a set of equations for calculating the screw spring force using the principle of total force balance and the principle of torque balance, and solving the set of equations to obtain the spring force of each screw.

[0006] In a second aspect, the present invention provides a radiator design method, comprising the following steps: calculating the spring force of each screw on the radiator using the aforementioned radiator screw spring force calculation method; and adjusting the step height of the radiator base plate corresponding to each screw based on the calculated spring force of each screw.

[0007] In a third aspect, the present invention provides a device for calculating the spring force of a heat sink screw, comprising: a chip force acquisition module for acquiring the force requirements of each chip; and a spring force calculation module for constructing a set of equations for calculating the spring force of the screw based on the force requirements of each chip and the coordinates of each screw on the heat sink, using the principle of total force balance and the principle of torque balance, and solving the set of equations to obtain the magnitude of the spring force of each screw.

[0008] In a fourth aspect, the present invention provides a computer device comprising at least one processor and at least one memory communicatively connected to the processor, wherein the memory stores program instructions that, when executed by the processor, implement the above-described method for calculating the spring force of a heat sink screw.

[0009] In a fifth aspect, the present invention provides a computer-readable storage medium storing program instructions that, when executed by a processor, implement the above-described method for calculating the spring force of a heat sink screw.

[0010] The aforementioned heat sink design method, heat sink screw spring force calculation method, apparatus, computer equipment, and computer-readable storage medium obtain the coordinates of each screw on the heat sink, combine them with the force requirements of each chip, and construct a set of equations for calculating the screw spring force using the principles of total force balance and torque balance. Finally, the spring force of each screw is obtained by solving the set of equations. Compared with relying on experience to determine the spring force of each screw, this invention can quickly and accurately calculate the spring force of each screw by solving the set of equations, avoiding empirical errors, ensuring uniform force on the chip, meeting heat dissipation requirements, and guaranteeing product reliability. Attached Figure Description

[0011] To more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments of the present invention will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0012] Figure 1 This is a flowchart illustrating a method for calculating the spring force of a radiator screw in one embodiment of the present invention. Figure 2 yes Figure 1 A schematic diagram of a specific implementation method for step S20; Figure 3 This is a schematic diagram showing the positions of each screw in a coordinate system in one embodiment of the present invention; Figure 4This is a flowchart illustrating a method for calculating the spring force of a radiator screw in another embodiment of the present invention; Figure 5 yes Figure 4 A schematic diagram of a specific implementation of step S120; Figure 6 This is a schematic diagram showing the positions of the screws and chips in the first coordinate system in another embodiment of the present invention; Figure 7 This is a schematic diagram showing the positions of the screws and chips in the second coordinate system in another embodiment of the present invention; Figure 8 This is a schematic diagram of a radiator screw spring force calculation device in one embodiment of the present invention; Figure 9 This is a schematic diagram of a radiator screw spring force calculation device in another embodiment of the present invention; Figure 10 This is a schematic diagram of the structure of a computer device according to an embodiment of the present invention. Detailed Implementation

[0013] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0014] This invention provides a method for calculating the spring force of heat sink screws, used to calculate the spring force of each screw on a heat sink used to assist in heat dissipation for multiple chips. This method can be applied to computer equipment, where the computer equipment obtains the force requirements of each chip; based on the force requirements of each chip and the coordinates of each screw on the heat sink, a system of equations for calculating the screw spring force is constructed using the principles of total force balance and torque balance; solving the system of equations yields the spring force of each screw.

[0015] In this invention, by obtaining the coordinates of each screw on the heat sink and combining them with the force requirements of each chip, a set of equations for calculating the screw spring force is constructed using the principles of total force balance and torque balance. Finally, by solving these equations, the magnitude of the spring force of each screw is obtained. Compared to relying on experience to determine the spring force of each screw, this invention quickly and accurately calculates the spring force of each screw by solving the equations, avoiding empirical errors, ensuring uniform force distribution on the chip, meeting heat dissipation requirements, and guaranteeing product reliability. The invention is described in detail below through specific embodiments. Unless otherwise specified, the following embodiments and features can be combined with each other.

[0016] Figure 1 A flowchart illustrating a method for calculating the spring force of a radiator screw according to an embodiment of the present invention is shown below. Figure 1 As shown, the method for calculating the spring force of the radiator screw includes steps S10 to S20: S10: Obtain the stress requirements of each chip.

[0017] This step obtains the stress requirements of each chip through data import or manual input. This embodiment of the invention uses two chips sharing a heat sink as an example to illustrate the process, obtaining the stress requirements of chip 1 and chip 2 respectively. and Please see Table 1 for specific data: Table 1: S20: Based on the force requirements of each chip and the coordinates of each screw on the heat sink, a set of equations for calculating the spring force of the screws is constructed using the principle of total force balance and the principle of torque balance. Solving the set of equations yields the magnitude of the spring force of each screw.

[0018] like Figure 2 As shown, in this embodiment, step S20 includes steps S21 to S24: S21: Select a chip as the target chip, establish a coordinate system with the center of the target chip as the origin, and obtain the coordinates of each screw on the heat sink in the coordinate system.

[0019] This invention will be illustrated using the example of two chips sharing a heat sink. Figure 3 As shown in the figure, in this embodiment of the invention, chip 1 is selected as the target chip, and a coordinate system is established with the center of chip 1 as the origin. The coordinates of the 7 screws on the heat sink in the coordinate system are obtained, as shown in Table 2.

[0020] Table 2: It should be noted that in other embodiments, the number of chips can be 2, 4 or more, and the number of screws can also be set to other numbers, such as 5, 6 or 9.

[0021] S22: Based on the total force balance and torque balance, construct a set of equations for calculating the screw spring force.

[0022] When a heat sink dissipates heat from a target chip, multiple screws on the heat sink apply non-uniform and asymmetrical forces to the chip. To ensure that the force on the target chip is completely uniform, the heat sink must be balanced in the Z-direction (without moving or rotating), and the total force on the multiple chips must meet the requirements. Based on this, several equations can be constructed: (1) Based on the overall force balance, the following equation can be constructed: .

[0023] (2) Since the radiator is in equilibrium in the Z direction, the sum of the torques of all forces in the XY coordinate system about the origin (0,0) is zero.

[0024] (2-1) Based on the torque balance around the Y-axis, the following equation can be constructed: .

[0025] (2-2) Based on the torque balance around the X-axis, the following equation can be constructed: .

[0026] The three equations constructed above together constitute the equation system for calculating the screw spring force: , in, Let be the spring force of the i-th screw. For the stress requirement of the j-th chip, Let N be the coordinate of the i-th screw, N be the number of screws, and M be the number of chips.

[0027] S23: When the number of screws is greater than 3, set the constraint condition for the equation system: the spring force of some screws is equal.

[0028] The system of equations contains only three equations. When the number of screws N > 3, the system of equations has an infinite number of solutions. In this case, the solution can be optimized by setting constraints. From the perspective of optimal heatsink design, it is necessary to design as many screws as possible with consistent spring forces. Based on this, the constraint is set as follows: the spring forces of any k screws are equal, and k is an integer. For example, when the number of screws N = 7, k is 3, that is, the constraint is set as: the spring forces of any 3 screws are equal.

[0029] S24: Solve the system of equations and optimize the solution by minimizing the difference between the spring forces of different screws to obtain the magnitude of the spring force of each screw.

[0030] When solving the system of equations, by combining the constraints and optimizing with the goal of minimizing the difference between the spring forces of different screws, a set of optimal solutions can be obtained, which gives the magnitude of the spring force of each screw.

[0031] Table 3: Table 3 shows a set of preferred solutions to the system of equations constructed based on the data in Tables 1 and 2, wherein the constraints are set as follows when solving the system of equations: The optimal solution is the magnitude of the spring force of the seven screws on the heat sink.

[0032] The heat sink screw spring force calculation method provided in this embodiment of the invention obtains the coordinates of each screw on the heat sink, combines the force requirements of each chip, and constructs a set of equations for screw spring force calculation using the principles of total force balance and torque balance. Finally, by solving the set of equations, the magnitude of the spring force of each screw is obtained. Compared to relying on experience to determine the spring force of each screw, this invention can quickly and accurately calculate the spring force of each screw by solving the set of equations, avoiding empirical errors, ensuring uniform force distribution on the chip, meeting heat dissipation requirements, and guaranteeing product reliability. Furthermore, by setting constraints to optimize the solution, the spring force of each screw on the heat sink can be designed from the optimal perspective of heat sink design, further improving the product's heat dissipation efficiency and reliability.

[0033] It should be understood that the sequence number of each step in the above embodiments does not imply the order of execution. The execution order of each process should be determined by its function and internal logic, and should not constitute any limitation on the implementation process of the embodiments of the present invention.

[0034] Figure 4 A flowchart illustrating a method for calculating the spring force of a radiator screw according to another embodiment of the present invention is shown below. Figure 4 As shown, the method for calculating the spring force of the radiator screw includes steps S110 to S120: S110: Obtain the stress requirements of each chip.

[0035] This step and Figure 1-3 Step S10 in the illustrated embodiment is the same and will not be repeated here.

[0036] S120: Based on the force requirements of each chip and the coordinates of each screw on the heat sink, a set of equations for calculating the screw spring force is constructed using the principles of total force balance and torque balance. Solving the set of equations yields the magnitude of the spring force of each screw.

[0037] like Figure 5 As shown, in this embodiment, step S120 includes steps S121 to S124: S121: Divide the distribution area of ​​each screw on the heat sink into a first area and a second area.

[0038] like Figure 6 As shown, the distribution area of ​​the 7 screws on the heat sink is divided into a first region (region 1) and a second region (region 2). Screws 1-4 are located in the first region, and screws 5-7 are located in the second region. When dividing the regions, the goal is to minimize the difference in the number of screws between the two regions, and to ensure that each region contains at least one chip. For example, chip 1 is located in the first region, and chip 2 is located in the second region.

[0039] S122: Select two chips as the first target chip and the second target chip respectively.

[0040] The first target chip and the second target chip should be selected from the chips in the first region and the second region, respectively, such as Figure 6 As shown, in this embodiment, chip 1 is selected as the first target chip in the first region, and chip 2 is selected as the second target chip in the second region.

[0041] S123: Based on the force requirements of the first target chip and the coordinates of each screw in the first region, the first set of equations for calculating the screw spring force is constructed using the principle of total force balance and the principle of torque balance. Solving the first set of equations yields the magnitude of the spring force of each screw in the first region.

[0042] Step S123 further includes steps S1231 to S1235: S1231: Establish a first coordinate system with the center of the first target chip as the origin, and obtain the coordinates of each screw in the first region in the first coordinate system.

[0043] In this embodiment, chip 1 is selected as the first target chip, and a coordinate system is established with the center of chip 1 as the origin. The coordinates of screws 1-4 in the first region are obtained in the first coordinate system, as shown in Table 4.

[0044] Table 4: S1232: Based on the overall force balance and torque balance, construct the first set of equations for calculating the spring forces of each screw in the first region.

[0045] When the heat sink dissipates heat from the first target chip, multiple screws on the heat sink apply non-uniform and asymmetrical forces to the chip. To ensure that the force on the chip is completely uniform, the heat sink must be balanced in the Z-direction (without moving or rotating), and the forces on the chip must meet the requirements. Based on this, several equations can be constructed: (1) Based on the overall force balance, the following equation can be constructed: .

[0046] (2) Since the radiator is in equilibrium in the Z direction, the sum of the torques of all forces in the first coordinate system about the origin (0,0) is zero.

[0047] (2-1) Based on the torque balance around the Y-axis, the following equation can be constructed: .

[0048] (2-2) Based on the torque balance around the X-axis, the following equation can be constructed: .

[0049] The three equations constructed above together constitute the first set of equations for calculating the spring force of each screw in the first region: , in, Let i be the spring force of the i-th screw in the first region. The stress requirements for the first target chip, Let M be the coordinates of the i-th screw in the first region in the first coordinate system, and M be the number of screws in the first region.

[0050] S1233: When M>3, set the first constraint condition for the first set of equations: the spring force of some screws in the first region is equal.

[0051] The first set of equations contains only three equations. When the number of screws N > 3 in the first region, the first set of equations has an infinite number of solutions. In this case, the solution can be optimized by setting constraints. From the perspective of optimal heat sink design, it is necessary to design as many screws as possible with consistent spring forces. Based on this, the first constraint is set as follows: the spring forces of any k screws in the first region are equal, and k is an integer. For example, when M = 4, k is 2, that is, the first constraint is set as: the spring forces of any two screws in the first region are equal.

[0052] S1234: Solve the first set of equations and optimize the solution with the goal of minimizing the difference in spring force between different screws to obtain a set of preliminary optimal solutions.

[0053] When solving the first set of equations, by combining the first constraint conditions and optimizing the solution with the objective of minimizing the difference in spring force between different screws, a preliminary optimal solution can be obtained. , .

[0054] S1235: Apply a virtual force to the center of the first target chip. According to this virtual force Calculate the spring force of each screw in the first region.

[0055] The preliminary optimal solution calculated in steps S1234 is not the final spring force magnitude of each screw in the first region. Since the heat sink simultaneously cools both the first and second target chips, a force transmission exists between them. Based on this, a virtual force is defined. (This virtual force represents the force transfer between the first target chip and the second target chip) is given to the first target chip, and this virtual force is applied to the first target chip. By releasing the spring force proportionally to each screw in the first region, the magnitude of the spring force for each screw in the first region can be obtained. Specifically, the magnitude of the spring force for each screw in the first region is calculated according to the following formula: , in, This represents the final calculated spring force of the i-th screw in the first region.

[0056] It should be noted that this virtual force This is an unknown variable, which needs to be obtained by solving the system of equations in subsequent step S124. The virtual force is to be calculated. Only after obtaining the specific values ​​can the final spring force of each screw in the first region be determined, that is, the determination of... Size.

[0057] S124: Based on the force requirements of the second target chip and the coordinates of each screw in the second region, the second set of equations for calculating the screw spring force is constructed using the principle of total force balance and the principle of torque balance. Solving the second set of equations yields the magnitude of the spring force of each screw in the second region.

[0058] Step S124 further includes steps S1241 to S1244: S1241: Establish a second coordinate system with the center of the second target chip as the origin, and obtain the coordinates of each screw in the second region and the first target chip in the second coordinate system.

[0059] like Figure 7As shown in Table 5, in this embodiment, chip 2 is selected as the second target chip, and a second coordinate system is established with the center of chip 2 as the origin. The coordinates of screws 5-7 in the second region and the first target chip in the second coordinate system are obtained.

[0060] Table 5: S1242: Based on the overall force balance and torque balance, construct the second set of equations for calculating the spring forces of each screw in the second region.

[0061] When the heat sink dissipates heat from the second target chip, multiple screws on the heat sink apply non-uniform and asymmetrical forces to the chip. To ensure that the force on the second target chip is completely uniform, the heat sink must be balanced in the Z-direction (without moving or rotating), and the forces on the second target chip must meet the requirements. Based on this, several equations can be constructed: (1) Based on the overall force balance, the following equation can be constructed: .

[0062] (2) Since the radiator is in equilibrium in the Z direction, the sum of the torques of all forces in the first coordinate system about the origin (0,0) is zero.

[0063] (2-1) Based on the torque balance around the Y-axis, the following equation can be constructed: .

[0064] (2-2) Based on the torque balance around the X-axis, the following equation can be constructed: .

[0065] The three equations constructed above together constitute the second set of equations for calculating the spring forces of each screw in the second region: , in, Let J be the spring force of the j-th screw in the second region. The stress requirements for the second target chip, Let j be the coordinates of the j-th screw in the second region in the second coordinate system. Let N be the coordinates of the first target chip in the second coordinate system, N be the number of screws on the heat sink, and M be the number of screws in the first region.

[0066] S1243: When NM > 3, set a second constraint condition for the second set of equations: the spring forces of any p screws in the second region are equal, and Take the integer part; The second set of equations has only three equations. When the number of screws NM in the second region is greater than 2, a virtual force is added. (Unknowns), the number of unknowns > 3, the second system of equations has infinite solutions. In this case, the solution can be optimized by setting constraints. From the perspective of optimal heatsink design, it is necessary to design as many screws as possible with the same spring force. Based on this, the second constraint is set as follows: the spring force of any p screws in the second region is equal, and Take an integer value. For example, when NM=3, k takes the value 2, that is, the second constraint condition is set as: the spring force of any two screws in the second region is equal.

[0067] S1244: Solve the second set of equations and optimize the solution with the goal of minimizing the difference between the spring forces of different screws to obtain the spring force of each screw in the second region.

[0068] When solving the second set of equations, by combining the second constraint condition and optimizing the solution with the objective of minimizing the difference in spring force between different screws, a set of optimal solutions can be obtained. This set of optimal solutions includes virtual forces. and , .

[0069] By solving the system of equations twice, in steps S123 and S124, the final spring force of each screw is obtained: , ; , .

[0070] The heat sink screw spring force calculation method provided in this embodiment divides the distribution area of ​​each screw on the heat sink into a first region and a second region. First, based on the force requirements of the first target chip and the coordinates of each screw in the first region, a first set of equations for calculating the screw spring force is constructed using the principles of total force balance and torque balance. Solving the first set of equations yields the spring force magnitude of each screw in the first region. Then, based on the force requirements of the second target chip and the coordinates of each screw in the second region, a second set of equations for calculating the screw spring force is constructed using the principles of total force balance and torque balance. Solving the second set of equations yields the spring force magnitude of each screw in the second region. By solving the equations twice, the spring force magnitude of each screw can be calculated quickly and accurately. Compared to relying on experience to determine the spring force magnitude of each screw, this avoids empirical errors, ensures uniform chip stress, meets heat dissipation requirements, and guarantees product reliability. Furthermore, by setting constraints to optimize the solution, the spring force magnitude of each screw on the heat sink can be designed from the optimal perspective of heat sink design, further improving the product's heat dissipation efficiency and reliability.

[0071] The present invention also provides a radiator design method, applicable to radiator designs with non-uniformly distributed screws, the radiator design method comprising the following steps: Step 1: Using Figure 1-3 The method for calculating the spring force of the radiator screw in the illustrated embodiment, or the user Figure 4-7 The method for calculating the spring force of the radiator screws in the illustrated embodiment is used to calculate the spring force of each screw on the radiator. Step 2: Based on the calculated spring force of each screw, adjust the step height of the radiator base plate at each screw location.

[0072] In the design of the heat sink, the screws and springs are normalized. After calculating the spring force of each screw, the step height of the heat sink base plate corresponding to each screw is adjusted according to the spring force of each screw. This makes the compression of the spring at each position inconsistent after the screw is locked. By controlling the compression of the spring at each position through different step heights, the spring force of different screws can be controlled, thus achieving the function of inconsistent spring force of screws at different positions.

[0073] The heat sink design method provided in this invention obtains the coordinates of each screw on the heat sink, combines them with the force requirements of each chip, and constructs a set of equations for calculating the screw spring force using the principles of total force balance and torque balance. Finally, by solving these equations, the magnitude of the spring force of each screw is obtained. Compared to relying on experience to determine the spring force of each screw, this invention can quickly and accurately calculate the spring force of each screw by solving the equations, avoiding empirical errors, ensuring uniform force on the chip, meeting heat dissipation requirements, and guaranteeing product reliability. Furthermore, the step height of the heat sink base plate corresponding to each screw is adjusted according to the spring force of each screw. By adjusting the position of the heat sink base plate and the spring engagement, the compression of the spring at each position is controlled, thereby controlling the spring force of different screws. This achieves the function of inconsistent spring force at different screw positions, thus normalizing the screws and springs. Screws and springs with different spring force requirements can use the same specifications, reducing the types of components and lowering the cost of the heat sink.

[0074] Figure 8 This is a schematic diagram of a radiator screw spring force calculation device according to an embodiment of the present invention. The various modules of this radiator screw spring force calculation device are related to... Figure 1-3 Each step of the method for calculating the spring force of the radiator screws in the illustrated embodiment corresponds one-to-one. For example... Figure 8 As shown, the heat sink screw spring force calculation device includes a chip force acquisition module 10 and a spring force calculation module 20. Detailed descriptions of each functional module are as follows: The chip force acquisition module 10 is used to acquire the force requirements of each chip; The spring force calculation module 20 is used to construct a set of equations for calculating the spring force of screws based on the force requirements of each chip and the coordinates of each screw on the heat sink, using the principle of total force balance and the principle of torque balance. Solving the set of equations yields the magnitude of the spring force of each screw.

[0075] In one embodiment, the spring force calculation module 20 specifically includes: The coordinate system construction unit 21 is used to select a chip as the target chip, establish a coordinate system with the center of the target chip as the origin, and obtain the coordinates of each screw on the heat sink in the coordinate system. Equation building unit 22 is used to construct a set of equations for calculating screw spring force based on total force balance and torque balance: , in, The spring force of the screw, Require, Let N be the coordinate of the i-th screw, N be the number of screws, and M be the number of chips. The constraint setting unit 23 is used to set constraint conditions for the system of equations when N>3: the spring forces of some screws are equal; The equation solving unit 24 is used to solve the equation system and optimize the calculation with the goal of minimizing the difference between the spring forces of different screws to obtain the spring force of each screw.

[0076] In one embodiment, the constraint condition is that the spring forces of any k screws are equal, and k is an integer.

[0077] The heat sink screw spring force calculation device provided in this embodiment of the invention obtains the coordinates of each screw on the heat sink, combines them with the force requirements of each chip, and constructs a set of equations for calculating the screw spring force using the principles of total force balance and torque balance. Finally, by solving these equations, the magnitude of the spring force of each screw is obtained. Compared to relying on experience to determine the spring force of each screw, this invention can quickly and accurately calculate the spring force of each screw by solving the equations, avoiding empirical errors, ensuring uniform force distribution on the chip, meeting heat dissipation requirements, and guaranteeing product reliability. Furthermore, by setting constraints to optimize the solution, the spring force of each screw on the heat sink can be designed from the optimal perspective of heat sink design, further improving the product's heat dissipation efficiency and reliability.

[0078] Figure 9 This is a schematic diagram of a radiator screw spring force calculation device according to another embodiment of the present invention. The various modules of this radiator screw spring force calculation device are related to... Figure 4-7 Each step of the method for calculating the spring force of the radiator screws in the illustrated embodiment corresponds one-to-one. For example... Figure 9 As shown, the heat sink screw spring force calculation device includes a chip force acquisition module 110 and a spring force calculation module 120. Detailed descriptions of each functional module are as follows: The chip force acquisition module 110 is used to acquire the force requirements of each chip; The spring force calculation module 120 is used to construct a set of equations for calculating the spring force of screws based on the force requirements of each chip and the coordinates of each screw on the heat sink, using the principle of total force balance and the principle of torque balance. Solving the set of equations yields the magnitude of the spring force of each screw.

[0079] In one embodiment, the spring force calculation module 120 specifically includes: The region division unit 121 is used to divide the distribution area of ​​each screw on the heat sink into a first region and a second region. The target chip selection unit 122 is used to select two chips as the first target chip and the second target chip, respectively. The first spring force calculation unit 123 is used to construct the first set of equations for screw spring force calculation based on the force requirements of the first target chip and the coordinates of each screw in the first region, using the principle of total force balance and the principle of torque balance, and solve the first set of equations to obtain the magnitude of the spring force of each screw in the first region. The second spring force calculation unit 124 is used to construct a second set of equations for screw spring force calculation based on the force requirements of the second target chip and the coordinates of each screw in the second region, using the principle of total force balance and the principle of torque balance. Solving the second set of equations yields the magnitude of the spring force of each screw in the second region.

[0080] In one embodiment, the first spring force calculation unit 123 is specifically used for: A first coordinate system is established with the center of the first target chip as the origin, and the coordinates of each screw in the first region in the first coordinate system are obtained. Based on the overall force balance and torque balance, the first set of equations for calculating the spring forces of each screw in the first region is constructed as follows: , in, The spring force of the screw, The stress requirements for the first target chip, The coordinates of the screw in the first coordinate system, where M is the number of screws in the first region; When M > 3, a first constraint condition is set for the first set of equations: the spring forces of any k screws in the first region are equal. And k is an integer; Solve the first set of equations, and optimize the solution with the goal of minimizing the difference between the spring forces of different screws to obtain a set of preliminary optimal solutions; Apply a virtual force to the center of the first target chip The spring force of each screw in the first region is calculated using the following formula: , in, This represents the final calculated spring force of the i-th screw in the first region.

[0081] In one embodiment, the second spring force calculation unit 124 is specifically used for: A second coordinate system is established with the center of the second target chip as the origin, and the coordinates of each screw in the second region and the first target chip in the second coordinate system are obtained. Based on the overall force balance and torque balance, a second set of equations is constructed for calculating the spring forces of each screw in the second region: , in, The spring force of the screw, The stress requirements for the second target chip, The coordinates of the screw in the second coordinate system are: Let N be the coordinates of the first target chip in the second coordinate system, and N be the number of screws on the heat sink. When NM > 3, a second constraint is set for the second set of equations: the spring forces of any p screws in the second region are equal. ,and Take the integer part; Solve the second set of equations, and optimize the process with the goal of minimizing the difference between the spring forces of different screws to obtain the spring force magnitude of each screw in the second region.

[0082] The heat sink screw spring force calculation device provided in this embodiment of the invention divides the distribution area of ​​each screw on the heat sink into a first region and a second region. First, based on the force requirements of the first target chip and the coordinates of each screw in the first region, a first set of equations for calculating the screw spring force is constructed using the principles of total force balance and torque balance. Solving the first set of equations yields the spring force magnitude of each screw in the first region. Then, based on the force requirements of the second target chip and the coordinates of each screw in the second region, a second set of equations for calculating the screw spring force is constructed using the principles of total force balance and torque balance. Solving the second set of equations yields the spring force magnitude of each screw in the second region. By solving the equations twice, the spring force magnitude of each screw can be calculated quickly and accurately. Compared to relying on experience to determine the spring force magnitude of each screw, this avoids empirical errors, ensures uniform chip stress, meets heat dissipation requirements, and guarantees product reliability. Furthermore, by setting constraints to optimize the solution, the spring force magnitude of each screw on the heat sink can be designed from the optimal perspective of heat sink design, further improving the product's heat dissipation efficiency and reliability.

[0083] Specific limitations regarding the radiator screw spring force calculation device can be found in the limitations of the radiator screw spring force calculation method described above, and will not be repeated here. Each module in the aforementioned radiator screw spring force calculation device can be implemented entirely or partially through software, hardware, or a combination thereof. These modules can be embedded in or independent of the processor in a computer device, or stored in the computer device's memory as software, so that the processor can call and execute the corresponding operations of each module.

[0084] In one embodiment, a computer device is provided, the internal structure of which is as follows: Figure 10 As shown, the computer device includes a processor, memory, network interface, display screen, and input devices connected via a system bus. The processor provides computational and control capabilities. The memory includes non-volatile storage media and internal memory. The non-volatile storage media stores the operating system and computer programs. The internal memory provides an environment for the operation of the operating system and computer programs stored in the non-volatile storage media. The network interface is used to communicate with an external server via a network connection. When the computer program is executed by the processor, it implements the functions or steps of the aforementioned method for calculating the spring force of the radiator screw.

[0085] In one embodiment, a computer-readable storage medium is provided, wherein a computer program is stored therein, and when executed by a processor, the computer program implements the functions or steps of the above-described method for calculating the spring force of a radiator screw.

[0086] Those skilled in the art will understand that all or part of the processes in the methods of the above embodiments can be implemented by a computer program instructing related hardware. The computer program can be stored in a non-volatile computer-readable storage medium. When executed, the computer program can include the processes of the embodiments of the above methods. Any references to memory, storage, databases, or other media used in the embodiments provided in this application can include non-volatile and / or volatile memory. Non-volatile memory may include read-only memory (ROM), programmable ROM (PROM), electrically programmable ROM (EPROM), electrically erasable programmable ROM (EEPROM), or flash memory. Volatile memory may include random access memory (RAM) or external cache memory. By way of illustration and not limitation, RAM is available in a variety of forms, such as static RAM (SRAM), dynamic RAM (DRAM), synchronous DRAM (SDRAM), dual data rate SDRAM (DDRSDRAM), enhanced SDRAM (ESDRAM), synchronous link DRAM (SLDRAM), RAMbus direct RAM (RDRAM), direct memory bus dynamic RAM (DRDRAM), and memory bus dynamic RAM (RDRAM), etc.

[0087] Those skilled in the art will clearly understand that, for the sake of convenience and brevity, the above-described division of functional units and modules is used as an example. In practical applications, the above functions can be assigned to different functional units and modules as needed, that is, the internal structure of the device can be divided into different functional units or modules to complete all or part of the functions described above.

[0088] The above-described embodiments are only used to illustrate the technical solutions of the present invention, and are not intended to limit it. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of the present invention, and should all be included within the protection scope of the present invention.

Claims

1. A method for calculating the spring force of heat sink screws, used to calculate the spring force of each screw on a heat sink, wherein the heat sink is used to assist in heat dissipation of multiple chips, characterized in that... The method for calculating the spring force of the radiator screw includes the following steps: Obtain the stress requirements of each chip; Based on the force requirements of each chip and the coordinates of each screw on the heat sink, a set of equations for calculating the screw spring force is constructed using the principles of total force balance and torque balance. Solving the set of equations yields the magnitude of the spring force of each screw.

2. The method for calculating the spring force of a radiator screw as described in claim 1, characterized in that, Based on the force requirements of each chip and the coordinates of each screw on the heat sink, a set of equations for calculating the screw spring force is constructed using the principles of total force balance and torque balance. Solving the set of equations yields the magnitude of the spring force of each screw. This further includes: Select a chip as the target chip, establish a coordinate system with the center of the target chip as the origin, and obtain the coordinates of each screw on the heat sink in the coordinate system. Based on the balance of total force and torque, a set of equations for calculating the force of the screw spring is constructed: ， in, Let be the spring force of the i-th screw. For the stress requirement of the j-th chip, Let N be the coordinate of the i-th screw, N be the number of screws, and M be the number of chips. When N > 3, set the constraint condition for the system of equations: the spring force of some screws is equal; Solve the system of equations and optimize the process by minimizing the difference in spring force between different screws to obtain the magnitude of the spring force for each screw.

3. The method for calculating the spring force of a radiator screw as described in claim 2, characterized in that, The constraint condition is that the spring forces of any k screws are equal. And k takes the integer value.

4. The method for calculating the spring force of a radiator screw as described in claim 1, characterized in that, Based on the force requirements of each chip and the coordinates of each screw on the heat sink, a set of equations for calculating the screw spring force is constructed using the principles of total force balance and torque balance. Solving the set of equations yields the magnitude of the spring force of each screw. This further includes: Divide the distribution area of ​​each screw on the heat sink into a first area and a second area. Two chips were selected as the first target chip and the second target chip, respectively. Based on the force requirements of the first target chip and the coordinates of each screw in the first region, the first set of equations for calculating the screw spring force is constructed using the principle of total force balance and the principle of torque balance. Solving the first set of equations yields the magnitude of the spring force of each screw in the first region. Based on the force requirements of the second target chip and the coordinates of each screw in the second region, a second set of equations for calculating the screw spring force is constructed using the principles of total force balance and torque balance. Solving the second set of equations yields the magnitude of the spring force of each screw in the second region.

5. The method for calculating the spring force of a radiator screw as described in claim 4, characterized in that, Based on the force requirements of the first target chip and the coordinates of each screw in the first region, the first set of equations for calculating the screw spring force is constructed using the principles of total force balance and torque balance. Solving the first set of equations yields the magnitude of the spring force of each screw in the first region. This further includes: A first coordinate system is established with the center of the first target chip as the origin, and the coordinates of each screw in the first region in the first coordinate system are obtained. Based on the overall force balance and torque balance, the first set of equations for calculating the spring forces of each screw in the first region is constructed as follows: ， in, Let i be the spring force of the i-th screw in the first region. The stress requirements for the first target chip, Let M be the coordinates of the i-th screw in the first region in the first coordinate system, and M be the number of screws in the first region. When M > 3, a first constraint condition is set for the first set of equations: the spring forces of any k screws in the first region are equal. And k is an integer; Solve the first set of equations, and optimize the solution with the goal of minimizing the difference between the spring forces of different screws to obtain a set of preliminary optimal solutions; Set a virtual force at the center of the first target chip The spring force of each screw in the first region is calculated using the following formula: ， in, This represents the final calculated spring force of the i-th screw in the first region.

6. The method for calculating the spring force of a radiator screw as described in claim 5, characterized in that, Based on the force requirements of the second target chip and the coordinates of each screw in the second region, a second set of equations for calculating the screw spring force is constructed using the principles of total force balance and torque balance. Solving the second set of equations yields the magnitude of the spring force of each screw in the second region. This further includes: A second coordinate system is established with the center of the second target chip as the origin, and the coordinates of each screw in the second region and the first target chip in the second coordinate system are obtained. Based on the overall force balance and torque balance, a second set of equations is constructed for calculating the spring forces of each screw in the second region: ， in, Let J be the spring force of the j-th screw in the second region. The stress requirements for the second target chip, Let j be the coordinates of the j-th screw in the second region in the second coordinate system. Let N be the coordinates of the first target chip in the second coordinate system, and N be the number of screws on the heat sink. When NM > 3, a second constraint is set for the second set of equations: the spring forces of any p screws in the second region are equal. ,and Take the integer part; Solve the second set of equations, and optimize the process with the goal of minimizing the difference between the spring forces of different screws to obtain the spring force magnitude of each screw in the second region.

7. A radiator design method, characterized in that, Includes the following steps: The spring force of each screw on the radiator is calculated using the spring force calculation method for radiator screws as described in any one of claims 1-6. Based on the calculated spring force of each screw, adjust the step height of the radiator base plate at each screw location.

8. A device for calculating the spring force of a radiator screw, characterized in that, include: The chip stress acquisition module is used to acquire the stress requirements of each chip; The spring force calculation module is used to construct a set of equations for calculating the spring force of screws based on the force requirements of each chip and the coordinates of each screw on the heat sink, using the principles of total force balance and torque balance. Solving the set of equations yields the magnitude of the spring force of each screw.

9. A computer device, characterized in that, The device includes at least one processor and at least one memory communicatively connected to the processor, wherein the memory stores program instructions that, when executed by the processor, implement the radiator screw spring force calculation method according to any one of claims 1 to 6.

10. A computer-readable storage medium, characterized in that, The computer-readable storage medium stores program instructions that, when executed by a processor, implement the method for calculating the spring force of a radiator screw as described in any one of claims 1 to 6.

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