IP Library › Granted Patent US 12,538,449
Granted Patent B2
US 12,538,449 · App. 17/723,441 · Granted Jan 27, 2026

Electronic apparatus, dynamic control heat dissipation method and dynamic heat dissipation control system

Inventor: Yu-Tang Ju (New Taipei, TW)
Assignee: Wistron Corporation
H05K7/20209H05K7/20281
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Quick Facts
Patent No.
US 12,538,449
App. No.
17/723,441
Granted
Jan 27, 2026
Kind
B2
Abstract

Provided is an electronic apparatus, including a heat generating element, a heat dissipation module, and a control unit. The heat dissipation module is adapted for performing heat dissipation on the heat generating element. The control unit is coupled to the heat dissipation module and is adapted for measuring temperature variation of at least one temperature module and state variation of at least one system component and for adjusting the heat dissipation module via a control signal based on the state variation and the temperature variation. In addition, a dynamic heat dissipation control method and a dynamic heat dissipation control system are also provided.

Claims (35)

1 . An electronic apparatus, comprising:

a heat generating element;

a heat dissipation module, adapted for performing heat dissipation on the heat generating element; and

a control unit, coupled to the heat dissipation module, wherein the control unit is adapted for measuring temperature variation of at least one temperature module and state variation of at least one system component, and is adapted for adjusting the heat dissipation module via a control signal based on the state variation and the temperature variation,

the control unit is combined with a neural network to dynamically adjust the heat dissipation module, the control unit comprises an open loop circuit, and the open loop circuit dynamically adjusts the heat dissipation module according to a control model obtained by training through the neural network,

wherein the training of the neural network is at least according to a function of an ambient temperature and a target temperature.

2 . The electronic apparatus according to claim 1 , wherein the temperature variation of the at least one temperature module corresponds to temperature variation of the heat generating element, the state variation of the at least one system component corresponds to power consumption variation of the heat generating element, the control unit controls an operation state of the heat dissipation module according to the power consumption variation of the heat generating element in a first temperature variation state of the heat generating element, and the control unit controls the operation state of the heat dissipation module according to the temperature variation of the heat generating element in a second temperature variation state of the heat generating element, wherein the first temperature variation state is a first heating state, and the second temperature variation state is a second heating state.

3 . The electronic apparatus according to claim 2 , wherein the heat generating element heats up from an initial temperature to a first target temperature in the first temperature variation state, and the heat generating element heats up from the first target temperature to a second target temperature in the second temperature variation state.

4 . The electronic apparatus according to claim 2 , wherein the control unit comprises a closed loop circuit, the control unit controls the operation state of the heat dissipation module via the open loop circuit in the first temperature variation state, and the control unit controls the operation state of the heat dissipation module via the closed loop circuit in the second temperature variation state.

5 . The electronic apparatus according to claim 4 , wherein when a temperature of the heat generating element is not greater than a first target temperature, the control unit controls the operation state of the heat dissipation module via the open loop circuit, and when the temperature of the heat generating element is greater than the first target temperature, the control unit controls the operation state of the heat dissipation module via the closed loop circuit, such that the temperature of the heat generating element approaches a second target temperature, which is greater than the first target temperature.

6 . The electronic apparatus according to claim 2 , wherein the heat dissipation module is a fan, the fan and the heat generating element are disposed in a body of the electronic apparatus, and the operation state of the heat dissipation module is a rotation speed of the fan.

7 . The electronic apparatus according to claim 2 , wherein the heat dissipation module is a coolant distribution device, the heat generating element is disposed in a body of the electronic apparatus, the coolant distribution device is externally connected to the body, and the operation state of the heat dissipation module is a rotation speed of a pump of the coolant distribution device.

8 . The electronic apparatus according to claim 2 , wherein the heat dissipation module is a water-cooling pump, the water-cooling pump and the heat generating element are disposed in a body of the electronic apparatus, and the operation state of the heat dissipation module is a rotation speed of the water-cooling pump.

9 . The electronic apparatus according to claim 1 , comprising a sensing module, wherein the sensing module is coupled to the control unit, and the sensing module is adapted for sensing power consumption of the heat generating element and a temperature of the heat generating element.

10 . A dynamic control heat dissipation method, adapted for an electronic apparatus, the dynamic control heat dissipation method comprising:

measuring temperature variation of at least one temperature module and state variation of at least one system component;

adjusting a heat dissipation module via a control signal based on the state variation and the temperature variation;

controlling the heat dissipation module by a control unit; and

combining a neural network to dynamically adjust the heat dissipation module, wherein the open loop circuit dynamically adjusts the heat dissipation module according to a control model obtained by training through the neural network,

wherein the training of the neural network is at least according to a function of an ambient temperature and a target temperature.

11 . The dynamic control heat dissipation method according to claim 10 , comprising:

performing heat dissipation on a heat generating element of the electronic apparatus by using the heat dissipation module, wherein the temperature variation of the at least one temperature module corresponds to temperature variation of the heat generating element, and the state variation of the at least one system component corresponds to power consumption variation of the heat generating element;

controlling an operation state of the heat dissipation module according to the power consumption variation of the heat generating element by using the control unit in a first temperature variation state of the heat generating element; and

controlling the operation state of the heat dissipation module according to the temperature variation of the heat generating element by using the control unit in a second temperature variation state of the heat generating element.

12 . The dynamic control heat dissipation method according to claim 11 , wherein the first temperature variation state is a first heating state, and the second temperature variation state is a second heating state.

13 . The dynamic control heat dissipation method according to claim 11 , wherein the heat generating element heats up from an initial temperature to a first target temperature in the first temperature variation state, and the heat generating element heats up from the first target temperature to a second target temperature in the second temperature variation state.

14 . The dynamic control heat dissipation method according to claim 11 , wherein the control unit comprises a closed loop circuit, the control unit controls the operation state of the heat dissipation module via the open loop circuit in the first temperature variation state, and the control unit controls the operation state of the heat dissipation module via the closed loop circuit in the second temperature variation state.

15 . The dynamic control heat dissipation method according to claim 14 , wherein when a temperature of the heat generating element is not greater than a first target temperature, the control unit controls the operation state of the heat dissipation module via the open loop circuit, and when the temperature of the heat generating element is greater than the first target temperature, the control unit controls the operation state of the heat dissipation module via the closed loop circuit, such that the temperature of the heat generating element approaches a second target temperature, which is greater than the first target temperature.

16 . The dynamic control heat dissipation method according to claim 11 , comprising sensing at least one of power consumption of the heat generating element, a temperature of the heat generating element, the ambient temperature, and an ambient pressure by using a sensing module.

17 . A dynamic heat dissipation control system, adapted for a heat dissipation module of an electronic apparatus, wherein the heat dissipation module is adapted for performing heat dissipation on a heat generating element of the electronic apparatus, the control system comprising:

a control unit, coupled to the heat dissipation module and adapted for measuring temperature variation of at least one temperature module and state variation of at least one system component, and for adjusting a heat dissipation module via a control signal based on the state variation and the temperature variation, wherein

the control unit is combined with a neural network to dynamically adjust the heat dissipation module, the control unit comprises an open loop circuit, and the open loop circuit dynamically adjusts the heat dissipation module according to a control model obtained by training through the neural network;

the temperature variation of the at least one temperature module corresponds to temperature variation of the heat generating element, the state variation of the at least one system component corresponds to power consumption variation of the heat generating element, the control unit controls an operation state of the heat dissipation module according to the power consumption variation of the heat generating element in a first temperature variation state of the heat generating element, and the control unit controls the operation state of the heat dissipation module according to the temperature variation of the heat generating element in a second temperature variation state of the heat generating element; and

the first temperature variation state is a first heating state, and the second temperature variation state is a second heating state,

wherein the training of the neural network is at least according to a function of an ambient temperature and a target temperature.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Apr 21, 2022
From: JU, YU-TANG
To: WISTRON CORPORATION
Reel/Frame 059657/0170 →
Priority Claims (1)
TW 111102044 · Jan 18, 2022 · national
Continuity (1)
Related Publication 20230232573A1 · Jul 20, 2023
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