Fan system and starting method therefor

Abstract

A fan system includes a connecting device, a control device and a fan device. The connecting device has a first pin and a second pin and the length of the first pin is longer than the length of the second pin. The first pin receives at least one drive signal and the second pin receives a start signal. The control device has an electric connection with the connecting device and has an enabled unit. The enabled unit generates the first enabled signal according to the start signal and the control device outputs the drive signal and the first enabled signal. The fan device has the electric connection with the control device and has at least one fan. The fan device transmits the drive signal to the fan according to the first enabled signal and drives the fan.

Description

technical field [0001] The present invention relates to a fan system and a starting method thereof, in particular to a fan system and a starting method thereof with improved stability and safety. Background technique [0002] With the rapid development of science and technology, the higher the functional requirements for electronic equipment, the higher the number and concentration of electronic components used, and the greater the relative heat dissipation requirements. Therefore, the quality of heat dissipation will directly affect electronic equipment. Equipment reliability and service life. [0003] It is a common structural setting to use fans as cooling devices. When used on the client system side, the number of fans is usually increased or decreased according to the different needs of the client, and the speed of the fans in the fan system is driven and controlled by the control device or control chip. , so that the fan can adjust the fan speed according to the actua...

AI Technical Summary

Problems solved by technology

However, the plurality of hot-swappable elements 111 and 112 correspondingly connected to the main power supply MP1 and the auxiliary power supply SP1 of the client system end SB1 are activated by independent power supplies, so when the user improperly plugs and unplugs, in addition to causing The pin 113 of the hot-swappable control device 11 is easy to bend, and the contact point with the connector C1 becomes smaller, so the problem of poor contact is likely to occur.

[0009] In addition, since the motor (not shown) of the fan 131 is a dynamic inductive load, a large starting current is required to start from a static state to a steady state, and at the moment when the fan system starts, there may be a gap between the fan system and the fan system. Inrush current, voltage (spike voltage) or spike noise (spike noise) is generated between the connector C1 of the client system end SB1, and even a flashover phenomenon (electric arc) occurs, causing the client system end Damage to SB1 or the fan system

[0010] In addition, although the multiple pins 113 of the hot-swappable control device 11 are usually made into floating connectors (floating connectors) (as shown in FIG. 2 ) or floating circuit boards (floating boards) (not shown), in order to It is ensured that the plurality of pins 112 contact the connector C1 at the same time at the same time, but this method still cannot effectively and completely suppress the generation of spike noise on the plurality of pins 113, and at the same time of hot swapping, the multiple The positive or negative spike noise generated by each hot-swappable element 111 will pass through the pin 113 through the ground loop of the main power supply MP1 to damage the small-signal electronic components (not shown in the figure) of the fan system, so this is usually added. Multiple isolation circuits 132 for protection

In addition, if the plurality of heat-swappable elements 111 are frequently used, in addition to making the contact points (terminals) of the plurality of pins 113 prone to oxidation and poor contact, the plurality of heat-swappable elements 111 will also The life of the fan is reduced, which in turn reduces the quality of the fan system

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