CN220487906U - Fan control system of server - Google Patents
Fan control system of server Download PDFInfo
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- CN220487906U CN220487906U CN202322132833.0U CN202322132833U CN220487906U CN 220487906 U CN220487906 U CN 220487906U CN 202322132833 U CN202322132833 U CN 202322132833U CN 220487906 U CN220487906 U CN 220487906U
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- 238000012360 testing method Methods 0.000 claims abstract description 51
- 238000004891 communication Methods 0.000 claims abstract description 7
- 230000009467 reduction Effects 0.000 abstract description 8
- 230000006870 function Effects 0.000 description 32
- 238000011990 functional testing Methods 0.000 description 5
- 230000007547 defect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000004630 mental health Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
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Abstract
The utility model discloses a server fan control system which is applied to server function test and comprises a server main board, a fan and a voltage dividing module, wherein the voltage dividing module is electrically connected with the server main board and the fan respectively, the voltage dividing module comprises a controller, a control switch and a voltage dividing resistor, the controller is electrically connected with the control switch and is in communication connection with the server main board, a first endpoint and a second endpoint are formed after the control switch and the voltage dividing resistor are connected in parallel, the first endpoint is electrically connected with the server main board, the second endpoint is electrically connected with the fan, the controller controls the control switch to be disconnected, the voltage dividing resistor is connected between the server main board and the fan, and when the controller receives fan function test information sent by the server main board, the controller controls the control switch to be closed, and the server main board and the fan are directly conducted through the first endpoint and the second endpoint. In this way, noise reduction is achieved.
Description
Technical Field
The utility model relates to the technical field of server testing, in particular to a server fan control system.
Background
Currently, most of the servers are provided with fans for heat dissipation, and the fans are generally installed through a fan rack or a fan bracket fixed inside the server chassis, and the fans are generally located at the front or rear of the server chassis and connected to a power supply of the server through a power line. Then, in the process of testing the server, the power supply, the memory, the CPU, the graphics card, the storage device, the network test and the like of the main board of the server need to be tested, and in addition, a fan for heat dissipation in the server needs to be tested.
That is, when the server is being tested, the main board and the fan are actually rotating when the main board is tested, and at least 80 db of noise is generated due to the high rotating speed of the fan, which causes very large noise pollution and seriously affects personal safety of the tester. Even with a BMC module (BMC, baseboard Management Controller, baseboard management controller) on the motherboard, the speed of the fan is still uncontrolled when the BMC is not activated.
Therefore, it is necessary to invent a technical solution for reducing noise caused by the fan when testing the server motherboard.
Disclosure of Invention
The utility model aims to provide a server fan control system for realizing noise reduction.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
a server fan control system, for use in server function testing, comprising: a server motherboard; the fan is electrically connected with the server main board; the voltage division module is arranged between the server main board and the fan and is respectively connected with the server main board and the fan electrically, the voltage division module comprises a controller, a control switch and a voltage dividing resistor, the controller is electrically connected with the control switch and is in communication connection with the server main board, a first endpoint and a second endpoint are formed after the control switch and the voltage dividing resistor are connected in parallel, the first endpoint is electrically connected with the server main board, the second endpoint is electrically connected with the fan, the controller controls the control switch to be disconnected in an initial state, the server main board and the fan are connected with the voltage dividing resistor, and when the controller receives a fan function test message sent by the server main board, the controller controls the control switch to be closed, and the server main board and the fan are directly conducted through the first endpoint and the second endpoint.
Preferably, the controller is connected with a port on the server motherboard through a USB data line.
Preferably, the controller is a single-chip microcomputer.
Preferably, the voltage dividing resistor is an adjustable resistor, and the adjustable resistor is provided with an adjusting part for adjusting the resistance value.
Preferably, the system further comprises a power supply, wherein the power supply is electrically connected with the server main board and is used for providing power required by work for the server main board.
In order to further achieve the above purpose, the present utility model provides the following technical solutions:
the utility model provides a server fan control circuit, includes server mainboard module, fan module and bleeder module, bleeder module sets up the server mainboard module with between the fan module and respectively with the server mainboard with the fan module electricity is connected, bleeder module is used for reducing the voltage of fan module or maintenance the voltage of fan module normal operating.
Preferably, the voltage dividing module comprises a controller, a control switch and a voltage dividing resistor, the controller is electrically connected with the control switch and is in communication connection with the server main board module, the control switch and the voltage dividing resistor are connected in parallel to form a first endpoint and a second endpoint, the first endpoint is electrically connected with the server main board module, the second endpoint is electrically connected with the fan module, the controller controls the control switch to be disconnected in an initial state, the voltage dividing resistor is connected between the server main board and the fan, wherein when the controller receives a fan function test message sent by the server main board module, the controller controls the control switch to be closed, and the server main board module and the fan module are directly connected through the first endpoint and the second endpoint to maintain the voltage of normal operation of the fan module.
Preferably, the controller is connected with a port on the server motherboard module through a USB data line.
Preferably, the voltage dividing resistor is an adjustable resistor, and the adjustable resistor is provided with an adjusting part for adjusting the resistance value.
Preferably, the system further comprises a power supply, wherein the power supply is electrically connected with the server main board module and is used for providing power required by work for the server main board module.
Compared with the prior art, the utility model has the beneficial effects that: by introducing the server fan control system and the circuit in the test of the server, when the function test of the server main board is carried out, the voltage at two ends of the fan is reduced under the action of the voltage division module to achieve the function of reducing the rotating speed of the fan, so that the noise brought by the fan when the test of the server main board module is carried out can be well reduced, the physical and mental health of a tester is ensured, the defects existing in the background technology are well overcome, and the noise reduction is realized.
Drawings
FIG. 1 is a schematic diagram of a server fan control system;
FIG. 2 is a schematic diagram of the connections between a server motherboard, fans, and voltage divider modules in a server fan control system;
FIG. 3 is a schematic diagram of a server fan control circuit;
fig. 4 is a block diagram of a server fan control circuit.
Detailed Description
In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the utility model is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
It will be understood that when an element is referred to as being "mounted" or "disposed" on another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
It is to be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are merely for convenience in describing and simplifying the description based on the orientation or positional relationship shown in the drawings, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be construed as limiting the utility model.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
Example 1
Referring to fig. 1 and 2, the present utility model provides a server fan control system 100, which is applied to a server function test, and the control system includes a server motherboard 101, a fan 102 electrically connected to the server motherboard 101, and a voltage dividing module 103, where the voltage dividing module 103 is disposed between the server motherboard 101 and the fan 102 and is electrically connected to the server motherboard 101 and the fan 102 respectively, and the voltage dividing module 103 is mainly used for controlling voltages divided at two ends of the fan 102, and reducing the rotation speed of the fan 102 by reducing the voltages at two ends of the fan 102, so as to reduce noise, and largely overcome the defect of loud noise in the test process of the server motherboard 101. In addition, since the test time for the fan 102 is short, the noise is almost negligible compared with that of the motherboard test, so that the fan 102 is only required to be divided by the voltage division module 103 when the server motherboard 101 is tested.
In detail, referring to fig. 1 and 2, the voltage dividing module 103 includes a controller 104, a control switch 105 and a voltage dividing resistor 106, wherein the controller 104 is electrically connected to the control switch 105, the control switch 105 and the voltage dividing resistor 106 are connected in parallel to form a first end 107 and a second end 108, the first end 107 is electrically connected to the server motherboard 101, and the second end 108 is electrically connected to the fan 102. Further, the controller 104 is in communication connection with the server motherboard 101, when the server motherboard 101 performs a self function test, a motherboard function test message is sent to the controller, which proves that the function test is being performed on the server motherboard 101 at this time, then the controller 104 receives the motherboard function test message and then controls the control switch 105 to be turned off, the voltage dividing resistor 106 is connected between the server motherboard 101 and the fan 102, and a series structure is formed between the three components, and the voltage dividing resistor 106 plays a role in voltage division, so that the voltage at two ends of the fan 102 is effectively reduced, and noise reduction is realized. In addition, in order to further optimize the overall circuit structure, when the server motherboard is powered on, the function test is performed on the server motherboard 101 by default at this time, and in this time, the controller controls the control switch to be turned off in the initial state, and the voltage dividing resistor is connected between the server motherboard and the fan, that is, the voltage at two ends of the fan is reduced from the time of powering on the server so as to reduce noise. When the fan 102 performs the function test, since the fan 102 is electrically connected to the server motherboard 101, a fan function test message is sent to the controller by the server motherboard 101 to prove that the fan 102 is being tested, the controller 104 receives the fan function test message and then controls the control switch 105 to be closed, the server motherboard 101 and the fan 102 are directly connected through the first end point and the second end point, the control switch 105 and the voltage dividing resistor 106 form a parallel structure between the server motherboard 101 and the fan 102, a current flows directly through the closed control switch 105, and the voltage dividing resistor 106 is correspondingly shorted without being connected between the server motherboard 101 and the fan 102, and the fan 102 rotates under a normal voltage to perform the function test of the fan 102.
As a preferred embodiment, the server motherboard 101 mainly includes a power module, a memory module, a CPU module, a graphics card module, a storage device module, and a network module, and when performing a functional test of the server motherboard 101, the modules need to be tested respectively, so that the test time of the motherboard is longer, generally between 3000 seconds and 5400 seconds. Therefore, by arranging the voltage dividing module 103, when the function test is required to be performed on the server main board 101, the voltage at two ends of the fan 102 is actively reduced, so that the purpose of noise reduction is realized, and the physical and mental health of a tester is ensured.
As another preferred embodiment, the controller 104 is a single chip microcomputer, and is mainly configured to receive a signal from the server motherboard 101, and when the server motherboard 101 performs a functional test, a test motherboard signal is sent to the controller 104, and then the controller 104 controls the control switch 105 to be turned off, so as to form a circuit structure with the voltage dividing resistor 106 arranged between the server motherboard 101 and the fan 102, and realize the voltage dividing and noise reduction functions of the fan 102; when the fan 102 is tested, the server motherboard 101 also sends a test fan 102 signal to the controller 104, and then the controller 104 controls the control switch 105 to be turned on, and at this time, the current directly flows through the turned-on control switch 105, and the fan 102 rotates under normal voltage to perform the fan 102 function test. Further, the controller 104 is connected to a port on the server motherboard 101 through a USB data line, so as to implement signal communication between the two.
As another preferred embodiment, the server motherboard 101 and the fan 102 are connected to a wire ground, so as to meet the grounding requirement of the whole circuit part and meet the requirement of safe production.
As another preferred embodiment, the control system further includes a power source electrically connected to the server motherboard 101 and configured to provide power required for operation to the server motherboard 101.
As another preferred embodiment, the voltage dividing resistor 106 is an adjustable resistor having an adjusting portion for adjusting the resistance value, and the resistance value of both ends of the resistor can be changed by moving the adjusting portion. Further, the adjusting part may be a sliding contact or a screw.
Example 2
Referring to fig. 3 and fig. 4, the present utility model further provides a server fan control circuit 200, which includes a server motherboard module 201, a fan module 202, and a voltage dividing module 203, wherein the voltage dividing module 203 is disposed between the server motherboard module 201 and the fan module 202 and is electrically connected to the server motherboard 101 and the fan module 202, respectively, and the voltage dividing module 203 is configured to reduce a voltage of the fan module 202 or maintain a voltage of a normal operation of the fan module 202. Specifically, by introducing the control circuit in the server test, the noise caused by the fan module 202 during the test of the server main board module 201 can be well reduced, and the defects in the background art can be well solved.
In detail, referring to fig. 3 and 4, the voltage dividing module 203 includes a controller 204, a control switch 205 and a voltage dividing resistor 206, the controller 204 is electrically connected with the control switch 205 and is communicatively connected with the server motherboard module 201, the control switch 205 and the voltage dividing resistor 206 are connected in parallel to form a first end point 207 and a second end point 208, the first end point 207 is electrically connected with the server motherboard module 201, the second end point 208 is electrically connected with the fan module 202, and further communicatively connected with the controller 204 and the server motherboard module 201, when the server motherboard module 201 performs a self function test, a motherboard function test information is sent to the controller 204, which proves that the function test is being performed on the server motherboard module 201 at this time, then the controller 204 controls the control switch 205 to be disconnected after receiving the motherboard function test information, the voltage dividing resistor 206 is connected between the server motherboard module 201 and the fan module 202, and the voltage dividing resistor 206 is in series structure at this time, thereby effectively reducing the voltage of the fan module 202 and realizing noise reduction of the fan module 202. In addition, in order to further optimize the overall circuit structure, when the server motherboard is powered on, the function test is performed on the server motherboard 101 by default at this time, and in this time, the controller controls the control switch to be turned off in the initial state, and the voltage dividing resistor is connected between the server motherboard and the fan, that is, the voltage at two ends of the fan is reduced from the time of powering on the server so as to reduce noise. When the fan module 202 performs the function test, since the fan module 202 is electrically connected to the server motherboard module 201, the server motherboard module 201 sends a fan function test message to the controller 204 to prove that the fan module 202 is being tested, the controller 204 receives the fan function test message and then controls the control switch 205 to be closed, the server motherboard module 201 and the fan module 202 are directly connected through the first terminal 207 and the second terminal 208, and the control switch 205 and the voltage dividing resistor 206 form a parallel structure between the server motherboard module 201 and the fan module 202, when current flows directly through the closed control switch 205, the voltage dividing resistor 206 is correspondingly shorted without being connected between the server motherboard module 201 and the fan module 202, and the fan module 202 rotates under a normal voltage to perform the function test of the fan module 202.
As a preferred embodiment, the server motherboard module 201 mainly includes a power unit, a memory unit, a CPU unit, a graphics card unit, a storage device unit, and a network unit, and when the function test of the server motherboard module 201 is performed, the above units need to be tested separately, so the test time of the server motherboard module 201 will last longer, generally between 3000 seconds and 5400 seconds. Therefore, in this embodiment, by setting the voltage dividing module 203, when the function test needs to be performed on the server motherboard module 201, the voltage at two ends of the fan module 202 is actively reduced, so as to achieve the purpose of noise reduction, well overcome the defects existing in the background technology, and ensure the physical and mental health of the tester.
As another preferred embodiment, the controller 204 is a single chip microcomputer, and is mainly configured to receive a signal from the server motherboard module 201, and when the server motherboard module 201 performs a functional test, a test motherboard signal is sent to the controller 204, and then the controller 204 controls the control switch 205 to be turned off, so as to form a circuit structure that the voltage dividing resistor 206 is arranged between the server motherboard module 201 and the fan module 202, and realize a voltage dividing and noise reducing function for the fan module 202; when the functional test of the fan module 202 is performed, the server motherboard module 201 also sends a test fan 102 signal to the controller 204, and then the controller 204 controls the control switch 205 to be turned on, and at this time, the current directly flows through the turned-on control switch 205, and the fan module 202 rotates under normal voltage to perform the functional test of the fan module 202. Further, the controller 204 is connected to a port on the server motherboard 101 through a USB data line, so as to implement signal communication between the two.
As another preferred embodiment, the server motherboard module 201 and the fan module 202 are connected to a wire grounding terminal, so as to meet the grounding requirement of the whole circuit part and meet the requirement of safe production.
As another preferred embodiment, the control system further includes a power source electrically connected to the server motherboard module 201 and configured to provide power required for operation to the server motherboard module 201.
As another preferred embodiment, the voltage dividing resistor 206 is an adjustable resistor having an adjusting portion for adjusting the resistance value, and the resistance value of both ends of the resistor can be changed by moving the adjusting portion. Further, the adjusting part may be a sliding contact or a screw.
In summary, in combination with embodiment 1 and embodiment 2, the present utility model provides a control system 100 and a circuit for a server fan 102, which well solve the drawbacks existing in the background art, and by introducing the control system 100 and the circuit for the server fan 102 in the test of a server, when the function test of the server motherboard 101 is performed, the voltage at two ends of the fan 102 is reduced under the action of the voltage division module 203 to achieve the function of reducing the rotation speed, which can well reduce the noise brought by the fan 102 when the test of the server motherboard module 201 is performed, and ensure the physical and mental health of the tester.
Variations and modifications to the above would be obvious to persons skilled in the art to which the utility model pertains from the foregoing description and teachings. Therefore, the utility model is not limited to the specific embodiments disclosed and described above, but some modifications and changes of the utility model should be also included in the scope of the claims of the utility model. In addition, although specific terms are used in the present specification, these terms are for convenience of description only and do not limit the present utility model in any way.
Claims (5)
1. A server fan control system for use in server function testing, comprising:
a server motherboard;
the fan is electrically connected with the server main board; and
The voltage dividing module is arranged between the server main board and the fan and is electrically connected with the server main board and the fan respectively, the voltage dividing module comprises a controller, a control switch and a voltage dividing resistor, the controller is electrically connected with the control switch and is in communication connection with the server main board, the control switch and the voltage dividing resistor are connected in parallel to form a first endpoint and a second endpoint, the first endpoint is electrically connected with the server main board, the second endpoint is electrically connected with the fan, the controller controls the control switch to be disconnected in an initial state, the voltage dividing resistor is connected between the server main board and the fan,
when the controller receives fan function test information sent by the server main board, the controller controls the control switch to be closed, and the server main board and the fan are directly conducted through the first endpoint and the second endpoint.
2. The server fan control system of claim 1, wherein the controller is connected to a port on the server motherboard via a USB data line.
3. The server fan control system of claim 1, wherein the controller is a single-chip microcomputer.
4. The server fan control system of claim 1, wherein the voltage dividing resistor is an adjustable resistor having an adjusting portion for adjusting the resistance value.
5. The server fan control system of claim 1, further comprising a power supply electrically connected to the server motherboard and configured to provide power to the server motherboard as needed for operation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322132833.0U CN220487906U (en) | 2023-08-08 | 2023-08-08 | Fan control system of server |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322132833.0U CN220487906U (en) | 2023-08-08 | 2023-08-08 | Fan control system of server |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220487906U true CN220487906U (en) | 2024-02-13 |
Family
ID=89839683
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322132833.0U Active CN220487906U (en) | 2023-08-08 | 2023-08-08 | Fan control system of server |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220487906U (en) |
-
2023
- 2023-08-08 CN CN202322132833.0U patent/CN220487906U/en active Active
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