CN211087152U - Circuit system of hot replacement fan based on protection BMC - Google Patents
Circuit system of hot replacement fan based on protection BMC Download PDFInfo
- Publication number
- CN211087152U CN211087152U CN201922324871.XU CN201922324871U CN211087152U CN 211087152 U CN211087152 U CN 211087152U CN 201922324871 U CN201922324871 U CN 201922324871U CN 211087152 U CN211087152 U CN 211087152U
- Authority
- CN
- China
- Prior art keywords
- fan
- switch
- controller
- module
- port
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The utility model provides a circuit system of fan is changed to heat based on protection BMC is applicable to the server, circuit system includes: the fan control system comprises a substrate management controller, a power supply module, a switch module and a fan controller, wherein a signal output port of the substrate management controller is connected with a signal receiving port of the switch module, a fan control signal end of the substrate management controller is connected with the fan controller through a switch chip of the switch module, and a power supply output end of the power supply module is connected with a power supply end of the fan controller through the switch chip of the switch module. The utility model provides a technical scheme can prevent effectively that server hot plug fan from changing the burr that the in-process of fan arouses, overshoot and cause the emergence of the problem of potential harm to fan power supply and fan control signal circuit.
Description
Technical Field
The utility model relates to the technical field of circuits, especially, relate to a circuit system of fan is changed to heat based on protection BMC.
Background
In the field of servers, although heat resistance of each module in the server is greatly improved, air cooling for key components by using a fan is an indispensable link in the server.
At present, a Baseboard Management Controller (BMC) is generally used to control a fan in a server to solve a heat dissipation problem. The fan of server generally all supports redundancy, need the hot plug fan to carry out new fan replacement under the condition of fan body trouble, in order to prevent that hot plug fan from causing the harm to fan circuit, generally close the server and change the fan and avoid overshoot, the excessive pressure signal that the hot plug fan arouses to cause and cause the harm to fan power or BMC fan control circuit, also only cut off the power in changing the fan among the prior art, other signals do not cut off, have the potential risk equally.
SUMMERY OF THE UTILITY MODEL
In view of the above, the present invention is directed to solving the above-described problems. It is an object of the present invention to provide a circuit system for a thermal replacement fan based on a protection BMC that solves any of the above problems. Specifically, the utility model provides a can prevent effectively that server hot plug fan from changing the burr that the in-process of fan arouses, overshoot the circuit system of the emergence of the problem that causes potential harm to fan power supply and fan control signal circuit.
According to the utility model discloses an aspect, the utility model provides a circuit system of fan is changed to heat based on protection BMC is applicable to the server, circuit system includes: the fan control system comprises a substrate management controller, a power supply module, a switch module and a fan controller, wherein a signal output port of the substrate management controller is connected with a signal receiving port of the switch module, a fan control signal end of the substrate management controller is connected with the fan controller through a switch chip of the switch module, and a power supply output end of the power supply module is connected with a power supply end of the fan controller through the switch chip of the switch module.
The circuit system of the hot replacement fan based on the protection BMC can also have the following characteristics:
the fan control signal terminal includes: a PWM control port and a speed detection port, the switch chip includes a first switch channel, a second switch channel and a third switch channel,
the fan control signal end of the baseboard management controller is connected with the fan controller through the switch chip of the switch module, and the power output end of the power module is connected with the power end of the fan controller through the switch chip of the switch module, and the fan control signal end comprises:
the PWM control port is connected with the pulse width modulation port of the fan controller through the first switch channel, the speed detection port of the substrate management controller is connected with the rotating speed detection port of the fan controller through the second switch channel, and the power output end of the power supply module is connected with the power supply end of the fan controller through the third switch channel.
The circuit system of the hot replacement fan based on the protection BMC can also have the following characteristics:
the circuit system further comprises a replacing switch, and a replacing signal port of the replacing switch is connected with a signal input port of the substrate management controller.
The utility model provides a circuit system of fan is changed to heat, when the fan broke down, can be through switch module with fan controller and power module and base plate management controller disconnection, use few components and parts to realize that the server changes the trouble fan under the condition of normal start operation, effectively prevent hot plug and change the power supply of fan and the relevant control signal circuit of fan and cause potential damage in the fan in-process, effectively improve the reliability and the stability of server.
Other characteristic features and advantages of the invention will become apparent from the following description of exemplary embodiments, which is to be read in connection with the accompanying drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of the specification, illustrate embodiments of the invention and together with the description, serve to explain the principles of the invention. In the drawings, like reference numerals are used to indicate like elements. The drawings in the following description are directed to some, but not all embodiments of the invention. For a person skilled in the art, other figures can be derived from these figures without inventive effort.
Fig. 1 exemplarily shows a schematic structural diagram of an embodiment of the circuit system of the present invention based on a thermal replacement fan for protecting BMC.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention. It should be noted that the embodiments and features of the embodiments in the present application may be arbitrarily combined with each other without conflict.
The following describes in detail the circuit system of the BMC-based hot swap fan according to the present invention with reference to the accompanying drawings.
Fig. 1 shows a schematic structural diagram of a specific embodiment of the circuit system of the thermal replacement fan based on the BMC protection of the present invention.
As shown in fig. 1, the utility model provides a circuit system of hot change fan based on protection BMC is applicable to the server, include: the base plate management controller comprises a base plate management controller 1, a power supply module 2, a switch module 3 and a fan controller 4, wherein a signal output port 11 of the base plate management controller is connected with a signal receiving port 31 of the switch module, a fan control signal end of the base plate management controller is connected with the fan controller through a switch chip of the switch module, and a power supply output end 21 of the power supply module is connected with a power supply end 41 of the fan controller through the switch chip of the switch module.
Optionally, when the signal output port 11 of the bmc outputs a low level signal, the signal receiving port 31 of the switch module controls to turn off the switch chip when receiving the low level signal, so that the fan control signal end of the bmc is disconnected from the fan controller, the power output end of the power module is disconnected from the power supply end of the fan controller, when the signal output port 11 of the bmc outputs a high level signal, the signal receiving port 31 of the switch module controls to turn on the switch chip when receiving the high level signal, so that the fan control signal end of the bmc is reconnected with the fan controller, and the power output end of the power module is reconnected with the power supply end of the fan controller.
The utility model discloses a circuit system of fan is changed to heat based on protection BMC, when the fan breaks down, need be before changing the fan, through switch module with fan controller and power module and base plate management controller disconnection, realize the in-process of server system electrified change fan, effectively prevent that hot plug from changing the power supply of fan and the relevant control signal circuit of fan and causing potential harm in-process, can effectively improve the reliability and the stability of server, and then guarantee the safe and reliable operation of server, promote the competitiveness of product.
The utility model discloses can realize using the hot change of few components and parts realization server fan, fan terminal when can effectively preventing to change the fan leaves or contact the burr that arouses in the twinkling of an eye of fan connector, overshoot the harm that causes BMC's fan control signal circuit or fan input power.
Specifically, the fan control signal terminal of the baseboard management controller includes: PWM control port 12 and speed detection port 13, the switching chip includes a first switching channel 32, a second switching channel 33 and a third switching channel 34.
The fan control signal end of baseboard management controller is connected with the fan controller through the switch chip of switch module, and the power output end 21 of power module is connected with the power end 41 of fan controller through the switch chip of switch module and includes: the PWM control port 12 is connected to the PWM port 42 of the fan controller via the first switch channel 32, the speed detection port 13 of the bmc is connected to the rotation speed detection port 43 of the fan controller via the second switch channel 33, and the power output terminal 21 of the power module is connected to the power supply terminal 41 of the fan controller via the third switch channel 34.
In order to facilitate the replacement of the fan, the circuit system further comprises a replacement switch 5, and a replacement signal port 51 of the replacement switch is connected with the signal input port 14 of the baseboard management controller.
Optionally, when the fan needs to be replaced, the replacement switch is toggled to output a low level signal, when the substrate management controller receives the low level signal and outputs the low level signal to the switch module, the switch module respectively controls to close the first switch channel, the second switch channel and the third switch channel, so that the fan stops working after the fan end, the substrate management controller end and the power module end are completely isolated through the switch module, and overshoot or overvoltage signals generated in the process of replacing the fan by heat are prevented from impacting the BMC and the power module.
When the process of replacing the fan is finished, the replacing switch can be toggled to output a high level signal, when the substrate management controller receives the high level signal and outputs the high level signal to the switch module, the switch module respectively controls to open the first switch channel, the second switch channel and the third switch channel, so that the fan end, the substrate management controller end and the power module end are reconnected through the switch module, and the fan starts to work.
The first switch channel, the second switch channel and the third switch channel can adopt the same channel structure, and also can adopt different channel structures to be respectively controlled by the switch module.
The utility model can also detect whether the rotating speed of the fan changes along with the PWM control signal or not through the BMC, detect whether the fan has faults or performance reduction or not, that is, when the BMC controls the fan to increase the rotation speed through the PWM control signal, the rotation speed detection port detects whether the rotation speed of the fan increases, or when the BMC controls the fan to rotate at a reduced speed through the PWM control signal, the rotation speed detection port detects whether the fan rotates at a reduced speed, for example, when the detected fan speed is compared with the preset speed of the PWM control signal, if the comparison result is within the range of the set threshold value, the fan operates normally, if the comparison result is not within the range of the set threshold value, the failure or performance reduction of the fan body is judged, the fan needs to be replaced, the fan replacing signal can be sent to the user, for example, the control server sends out a buzzer sound or the control server carries out voice reminding or sends out prompt information.
The above-described embodiments can be implemented individually or in various combinations, and such variations are within the scope of the present invention.
It is to be noted that, in this document, the terms "comprises", "comprising" or any other variation thereof are intended to cover a non-exclusive inclusion, so that an article or apparatus including a series of elements includes not only those elements but also other elements not explicitly listed or inherent to such article or apparatus. Without further limitation, an element defined by the phrase "comprising … …" does not exclude the presence of additional like elements in the article or device comprising the element.
The above embodiments are merely for illustrating the technical solutions of the present invention and are not to be construed as limiting, and the present invention is described in detail with reference to the preferred embodiments. It should be understood by those skilled in the art that various modifications and equivalent substitutions may be made to the technical solution of the present invention without departing from the spirit and scope of the technical solution of the present invention, and all the modifications and equivalents should be covered by the scope of the claims of the present invention.
Claims (3)
1. A BMC-protected hot-swap fan based circuitry adapted for use with a server, the circuitry comprising: a substrate management controller (1), a power supply module (2), a switch module (3) and a fan controller (4),
the signal output port (11) of the substrate management controller is connected with the signal receiving port (31) of the switch module, the fan control signal end of the substrate management controller is connected with the fan controller through the switch chip of the switch module, and the power output end (21) of the power supply module is connected with the power supply end (41) of the fan controller through the switch chip of the switch module.
2. The circuitry of claim 1, wherein the fan control signal terminal comprises: a PWM control port (12) and a speed detection port (13), the switch chip including a first switch channel (32), a second switch channel (33), and a third switch channel (34),
the fan control signal end of the baseboard management controller is connected with the fan controller through the switch chip of the switch module, and the power output end (21) of the power module is connected with the power end (41) of the fan controller through the switch channel of the switch module, and the fan control signal end comprises:
the PWM control port (12) is connected with a pulse width modulation port (42) of the fan controller through the first switch channel (32), the speed detection port (13) of the baseboard management controller is connected with a rotating speed detection port (43) of the fan controller through the second switch channel (33), and the power output end (21) of the power module is connected with a power end (41) of the fan controller through the third switch channel (34).
3. The circuitry of claim 1, further comprising a change-out switch (5), a change-out signal port (51) of the change-out switch being connected to the signal input port (14) of the baseboard management controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922324871.XU CN211087152U (en) | 2019-12-20 | 2019-12-20 | Circuit system of hot replacement fan based on protection BMC |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922324871.XU CN211087152U (en) | 2019-12-20 | 2019-12-20 | Circuit system of hot replacement fan based on protection BMC |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211087152U true CN211087152U (en) | 2020-07-24 |
Family
ID=71631843
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922324871.XU Active CN211087152U (en) | 2019-12-20 | 2019-12-20 | Circuit system of hot replacement fan based on protection BMC |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211087152U (en) |
-
2019
- 2019-12-20 CN CN201922324871.XU patent/CN211087152U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US11204633B2 (en) | Method for protecting operation of server backboard | |
| EP2924527B1 (en) | Control method and apparatus | |
| US7193335B2 (en) | Sensing socket assembly | |
| EP3382594B1 (en) | Emarker and associated cable and method | |
| CN104954145A (en) | Method for power over Ethernet, power sourcing equipment and system for power over Ethernet | |
| CN108923383B (en) | Overheat protection circuit of USB Type-C connector and overheat protection method thereof | |
| JP7028245B2 (en) | DC voltage supply circuit | |
| CN104564764A (en) | Server system | |
| CN104571273A (en) | Fan controller and server system provided with same | |
| US20070279822A1 (en) | Transient protection and current control of devices | |
| CN211087152U (en) | Circuit system of hot replacement fan based on protection BMC | |
| EP3148167A1 (en) | Power supply protection apparatus and terminal device | |
| CN105790360B (en) | Charging circuit, electronic device, and information processing method | |
| CN109826822A (en) | A kind of control method for fan and relevant apparatus | |
| TWI325670B (en) | ||
| US6222716B1 (en) | Power line protection devices and methods for providing overload protection to multiple outputs | |
| CN108279761B (en) | Server power circuit supporting fan hot plug and control method | |
| CN116820857A (en) | Memory chip protection system, method, equipment and medium | |
| US20130155565A1 (en) | Overcurrent protection circuit | |
| CN104680087B (en) | A kind of control circuit and device of blade server hot plug | |
| CN108121431B (en) | Power supply control method and electronic equipment | |
| US6014299A (en) | Device and method for protecting a CPU from being damaged by an overrating voltage or overrating current | |
| JP4966610B2 (en) | Information processing system, emergency power-off method for information processing system | |
| TW202210846A (en) | Power failure detection device and method | |
| TWI685750B (en) | Emarker and associated cable and method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |