CN-121985516-A - Low-voltage high-current circuit heat dissipation control method and system for parallel power supply

CN121985516ACN 121985516 ACN121985516 ACN 121985516ACN-121985516-A

Abstract

The invention relates to a low-voltage high-current circuit heat dissipation control method and a system for a parallel power supply, which relate to the technical field of circuit heat dissipation and comprise the steps of obtaining the number of a current component and the temperature of the current component; the method comprises the steps of obtaining a heat radiation wind direction path if the current component temperature is higher than a preset working temperature threshold value, searching an upstream component number from a preset component information database according to the current component number and the heat radiation wind direction path, obtaining an upstream component temperature according to the upstream component number, searching a current component position and an upstream component position from the component information database according to the current component number and the upstream component number when the upstream component temperature is higher than the working temperature threshold value, adjusting the heat radiation wind direction path according to the current component position and the upstream component position to obtain an optimized heat radiation path, and controlling a heat radiation system to radiate according to the optimized heat radiation path. The invention has the effect of reducing heat accumulation in the circuit.

Inventors

MAO LIANGHUA
WENG SHIYOU
WANG XIAOFEI
Luo jiao

Assignees

杭州奥能电源设备有限公司

Dates

Publication Date: 20260505
Application Date: 20260305

Claims (10)

1. The low-voltage high-current circuit heat dissipation control method for the parallel power supply is characterized by comprising the following steps of: step 1, acquiring the number of the current component and the temperature of the current component; step 2, if the temperature of the current component is higher than a preset working temperature threshold value, a heat dissipation wind direction path is obtained; step 3, searching an upstream component number from a preset component information database according to the current component number and the heat radiation wind direction path; step 4, acquiring the temperature of the upstream component according to the number of the upstream component, and searching the current component position and the upstream component position from the component information database according to the current component number and the upstream component number when the temperature of the upstream component is larger than the working temperature threshold; Step 5, adjusting the heat radiation wind direction path according to the current component position and the upstream component position to obtain an optimized heat radiation path; and 6, controlling the heat dissipation system to dissipate heat according to the optimized heat dissipation path.
2. The method for controlling heat dissipation of a low-voltage high-current circuit for a parallel power supply according to claim 1, wherein the method for adjusting the wind direction path according to the current component number and the upstream component number to obtain an optimized heat dissipation path comprises: Step 500, obtaining a heat transfer path according to the position of an upstream component and the heat radiation wind direction path; step 501, disassembling the heat transfer path to obtain a horizontal axis heat transfer path and a vertical axis heat transfer path, and disassembling the heat radiation wind direction path to obtain a horizontal axis heat radiation path and a vertical axis heat radiation path; Step 502, if the current component position is on the transverse axis heat transfer path, reversely adjusting the transverse axis heat dissipation path to obtain a reverse transverse axis heat dissipation path, and generating an optimized heat dissipation path according to the reverse transverse axis heat dissipation path and the longitudinal axis heat dissipation path; And 503, if the current component position is on the longitudinal axis heat transfer path, reversely adjusting the longitudinal axis heat dissipation path to obtain a reverse longitudinal axis heat dissipation path, and generating an optimized heat dissipation path according to the reverse longitudinal axis heat dissipation path and the transverse axis heat dissipation path.
3. The heat dissipation control method for a low-voltage high-current circuit of a parallel power supply according to claim 2, further comprising: step 7, generating an optimized heat dissipation path according to the reverse transverse axis heat dissipation path and the longitudinal axis heat dissipation path, controlling a heat dissipation system to conduct heat dissipation according to the optimized heat dissipation path, and searching a transverse heat transfer component number from a component information database according to the reverse transverse axis heat dissipation path; Step 8, acquiring the temperature of the transverse heat transfer component and the transverse heat transfer working temperature threshold according to the serial number of the transverse heat transfer component; Step 9, when the temperature of the transverse heat transfer component is greater than the transverse heat transfer working temperature threshold, adjusting the reverse transverse heat dissipation path to obtain a bidirectional transverse heat dissipation path, and generating an opposite heat dissipation path according to the bidirectional transverse heat dissipation path and the longitudinal heat dissipation path; And 10, controlling the heat dissipation system to dissipate heat according to the heat dissipation path.
4. A low voltage high current circuit heat dissipation control method for a parallel power supply according to claim 3, further comprising: step 11, generating an optimized heat dissipation path according to the reverse longitudinal axis heat dissipation path and the transverse axis heat dissipation path, controlling a heat dissipation system to conduct heat dissipation according to the optimized heat dissipation path, and searching a longitudinal heat transfer component number from a component information database according to the reverse longitudinal axis heat dissipation path; step 12, acquiring the temperature of the longitudinal heat transfer component and the threshold value of the longitudinal heat transfer working temperature according to the serial number of the longitudinal heat transfer component; Step 13, when the temperature of the longitudinal heat transfer component is greater than the longitudinal heat transfer working temperature threshold, searching the current longitudinal air path number and the longitudinal heat transfer longitudinal air path number from the component information database according to the current component number, the longitudinal heat transfer component number and the heat radiation air path; step 14, if the current longitudinal air path number is different from the longitudinal heat transfer longitudinal air path number, determining a reverse longitudinal air path number group and a longitudinal air path number group according to the transverse axis heat dissipation path and the current longitudinal air path number; Step 15, generating a bidirectional longitudinal axis heat dissipation path according to the reverse longitudinal axis air path number group and the longitudinal axis air path number group, and generating a shunt heat dissipation path according to the bidirectional longitudinal axis heat dissipation path and the transverse axis heat dissipation path; And step 16, controlling the heat dissipation system to dissipate heat according to the split heat dissipation paths.
5. A low voltage high current circuit heat dissipation control method for a parallel power supply according to claim 3, further comprising an optimization method when the lateral heat transfer component temperature is greater than the lateral heat transfer operating temperature threshold, the method comprising: Step 900, when the temperature of the horizontal heat transfer component is greater than the horizontal heat transfer working temperature threshold, searching an intermediate air deflector number from a component information database according to the current component number and the upstream component number; Step 901, when the middle air deflector number exists, searching adjacent component numbers and adjacent temperature thresholds from a component information database according to the current component number; step 902, if the adjacent temperature threshold value is larger than the upstream component temperature, determining the air guiding direction according to the current component number and the adjacent component number; 903, if the air guiding direction is the same as the longitudinal axis heat dissipation path, controlling the air guiding plate corresponding to the number of the middle air guiding plate to guide air according to the longitudinal axis heat dissipation path; Step 904, if the air guiding direction is opposite to the longitudinal axis heat dissipation path, reversely adjusting the longitudinal axis heat dissipation path to obtain a reverse longitudinal axis heat dissipation path, and controlling the air guiding plate corresponding to the number of the middle air guiding plate to guide air according to the reverse longitudinal axis heat dissipation path; step 905, if no intermediate air deflector number exists or the adjacent temperature threshold is not greater than the temperature of the upstream component, continuing to execute step 9 to step 10.
6. The method according to claim 5, further comprising continuing to execute the control method from step 9 to step 10 if there is no intermediate air deflector number or if the adjacent temperature threshold is not greater than the upstream component temperature, the method comprising: Step 9050, if no number of the middle air deflector exists or the adjacent temperature threshold value is not greater than the temperature of the upstream component, acquiring the current heat dissipation wind speed; step 9051, if the current heat dissipation wind speed is smaller than the preset maximum heat dissipation wind speed, controlling the heat dissipation system to adjust to the maximum heat dissipation wind speed for heat dissipation; step 9052, if the current heat dissipation wind speed is equal to the maximum heat dissipation wind speed, continuing to execute the steps 9 to 10.
7. The method for controlling heat dissipation in a low voltage high current circuit for a parallel power supply of claim 6, further comprising: Step 9053, if the number of the middle air deflector exists and the adjacent temperature threshold value is not greater than the temperature of the upstream component, obtaining a maximum adjacent temperature threshold value and the number of the air deflector according to the adjacent temperature threshold value; Step 9054, determining a circulating air guide direction according to the current component number and the air guide component number; step 9055, controlling the air guide plate corresponding to the number of the middle air guide plate to guide air according to the air guide direction, and acquiring adjacent real-time temperature; Step 9056, when the adjacent real-time temperature is equal to the maximum adjacent temperature threshold value, controlling the air deflector not to conduct air guiding, and obtaining the real-time current temperature; Step 9057 when the real-time current temperature is equal to the operating temperature threshold, repeating steps 9055 to 9056.
8. The method for controlling heat dissipation in a low voltage high current circuit for a parallel power supply of claim 4, further comprising: step 17, if the current longitudinal air path number is the same as the longitudinal heat transfer longitudinal air path number, obtaining an adjacent longitudinal air path number according to the current longitudinal air path number; Step 18, forming a stalling longitudinal air path number group according to the current longitudinal air path number and the adjacent longitudinal air path number; Step 19, determining a part of longitudinal heat dissipation paths according to the stalling longitudinal wind path number group; And 20, controlling the heat dissipation system to dissipate heat according to part of the longitudinal heat dissipation paths.
9. The method for controlling heat dissipation of a low-voltage high-current circuit for a parallel power supply according to claim 6, wherein the method for obtaining the current component temperature comprises: step 100, acquiring the real-time temperature of the current component; Step 101, if the real-time temperature of the current component falls within a preset normal temperature range, defining the real-time temperature of the current component as the temperature of the current component and inputting the temperature; and 102, outputting a temperature abnormality signal if the real-time temperature of the current component does not fall within the normal temperature range.
10. A low voltage high current circuit heat dissipation control system for a parallel power supply, comprising: The acquisition module is used for acquiring the number of the current component and the temperature of the current component; A memory for storing a program of a low-voltage high-current circuit heat dissipation control method for a parallel power supply according to any one of claims 1 to 9; and the processor loads and executes the programs in the memory.

Description

Low-voltage high-current circuit heat dissipation control method and system for parallel power supply Technical Field The invention relates to the technical field of circuit heat dissipation, in particular to a low-voltage high-current circuit heat dissipation control method and system for parallel power supplies. Background The low-voltage high-current circuit is an electric circuit with lower working voltage and larger working current, is generally applied to the fields of data centers and server power supplies or communication base stations and industrial power supplies, and is characterized by low conduction loss and strong current carrying capacity, and can generate remarkable heat due to the flowing of high current in the working process. In the related art, the heat dissipation of the low-voltage high-current circuit generally adopts the modes of direct blowing heat dissipation of an integral fan, heat dissipation of a passive heat dissipation sheet, overall uniform air supply heat dissipation and the like, and the heat dissipation of the circuit is carried out integrally through a fixed air speed and a uniform air path. For the related technology, the direct blowing and radiating mode of the integral fan has the problems that heat generated by upstream components is easy to transfer to downstream components along an air path, heat is easy to accumulate among parallel power supply modules and the like, and the temperature of part of components is easy to be overhigh. Disclosure of Invention In order to reduce heat accumulation in a circuit, the invention provides a low-voltage high-current circuit heat dissipation control method and a system for a parallel power supply. In a first aspect, the present invention provides a heat dissipation control method for a low-voltage high-current circuit of a parallel power supply, which adopts the following technical scheme: A low-voltage high-current circuit heat dissipation control method for parallel power supplies comprises the following steps: step 1, acquiring the number of the current component and the temperature of the current component; step 2, if the temperature of the current component is higher than a preset working temperature threshold value, a heat dissipation wind direction path is obtained; step 3, searching an upstream component number from a preset component information database according to the current component number and the heat radiation wind direction path; step 4, acquiring the temperature of the upstream component according to the number of the upstream component, and searching the current component position and the upstream component position from the component information database according to the current component number and the upstream component number when the temperature of the upstream component is larger than the working temperature threshold; Step 5, adjusting the heat radiation wind direction path according to the current component position and the upstream component position to obtain an optimized heat radiation path; and 6, controlling the heat dissipation system to dissipate heat according to the optimized heat dissipation path. By adopting the technical scheme, the original heat radiation wind direction path can be adaptively adjusted according to the temperature of the components and the relation between the upstream and the downstream positions, so that the heat transfer of the upstream components to the downstream components is reduced, and the accumulation condition of heat in a circuit is reduced. Optionally, the method for adjusting the wind direction path according to the current component number and the upstream component number to obtain the optimized path includes: Step 500, obtaining a heat transfer path according to the position of an upstream component and the heat radiation wind direction path; step 501, disassembling the heat transfer path to obtain a horizontal axis heat transfer path and a vertical axis heat transfer path, and disassembling the heat radiation wind direction path to obtain a horizontal axis heat radiation path and a vertical axis heat radiation path; Step 502, if the current component position is on the transverse axis heat transfer path, reversely adjusting the transverse axis heat dissipation path to obtain a reverse transverse axis heat dissipation path, and generating an optimized heat dissipation path according to the reverse transverse axis heat dissipation path and the longitudinal axis heat dissipation path; And 503, if the current component position is on the longitudinal axis heat transfer path, reversely adjusting the longitudinal axis heat dissipation path to obtain a reverse longitudinal axis heat dissipation path, and generating an optimized heat dissipation path according to the reverse longitudinal axis heat dissipation path and the transverse axis heat dissipation path. By adopting the technical scheme, the heat transfer path and the heat dissipation path are split, and t