A main control board, fan frame and network equipment
A main control board and main fan technology, applied in the field of communication, can solve problems such as increased difficulty, and achieve the effect of simplifying the design
Active Publication Date: 2020-08-07
NEW H3C TECH CO LTD
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Problems solved by technology
[0005] In the prior art, the PWM signal sent by the programmable logic device 120 needs to be adapted to the type of the fan 210, but the main control board 100 cannot predict the type of the fan 210 in the future, and the fan 210 is pluggable. If one fan 210 is damaged, the fan 210 can be unplugged and a new fan 210 can be replaced
At this time, if the network equipment of the frame type replaces the new fan 210 with a new type of fan 210, it is necessary to modify the programmable logic device 120 of the main control board 100, so that the programmable logic device 120 can send the fan corresponding to the new type. 210 PWM signals, which makes it more difficult for a chassis-type device to adapt to multiple types of fans
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[0032] The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.
[0033] The present invention will be described in detail below through specific embodiments.
[0034] refer to figure 2 , figure 2 A schematic structural diagram of a main control board provided by an embodiment of the present invention, the main control board includes: a CPU 11 and a main fan controller 12 connected to the CPU 11; here, the main fan controller 12 controls a bus through a serial Connected to the fan frame, one mai...
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The embodiment of the invention provides a main control board, a fan frame and network equipment. The main control board comprises a CPU and a main fan controller, wherein the main fan controller comprises a set of registers, a main control module, a main transmitting module and a main receiving module; the CPU initiates an access operation and writes the instruction data corresponding to the access operation into a target register; the main control module sends the instruction data stored in the target register to the main transmitting module; the main transmitting module constructs a request data frame according to the instruction data and sends the request data frame to the fan frame through a serial control bus; the main receiving module receives a response data frame sent by the fan frame through the serial control bus, parses the response data frame to obtain the response data, and sends the response data to the main control module; and the main control module determines an access operation result according to the response data and notifies the CPU to end the access operation. By adopting the embodiment of the invention, multiple types of fans can be flexibly adapted.
Description
technical field [0001] The present invention relates to the technical field of communications, in particular to a main control board, a fan frame and a network device. Background technique [0002] In chassis-type network devices, fan cooling is the main cooling method, and the control of fans in a fan chassis is an indispensable part of a network device. [0003] Currently, if figure 1 As shown, the network device of the chassis type includes a main control board 100 and a fan frame 200; the main control board 100 includes a main controller (such as figure 1 CPU110) and fan controllers (such as figure 1 The programmable logic device 120 in the fan frame 200 is provided with a fan 210 ; [0004] Specifically, when the main control board 100 controls the rotational speed of the fan 210 on the fan frame 200, the programmable logic device 120 sends a PWM (Pulse Width Modulation) signal to the fan 210; the fan 210 controls the rotational speed according to the PWM signal, and...
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IPC IPC(8): H04Q1/02
CPCH04Q1/035
Inventor 刘汉忠
Owner NEW H3C TECH CO LTD