CN114003100A - Switching device of server fan connector and application method - Google Patents
Switching device of server fan connector and application method Download PDFInfo
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Abstract
The invention provides a switching device of a server fan connector and an application method, wherein the switching device comprises an input connector and an output connector; each pin of the input connector expands a multi-path line through a multiplexing module to be respectively connected to each pin of the output connector; the device also comprises a micro control unit, wherein the micro control unit is respectively connected with the multiplexing module connected with each lead and is used for controlling the output channel of the multiplexing module. The channel display module is connected with the micro control unit and used for intuitively selecting and displaying the corresponding relation of the input and output channels of the multiplexing module under the matching of the channel display module and the key selection module. The problem that fans defined by different pins cannot be used universally is solved, and the utilization rate of assets can be improved. For research and development testing engineers, the preparation time for setting up the environment can be reduced, and the problem that the fan cannot be used due to incorrect models is avoided.
Description
Technical Field
The invention relates to the technical field of connector pin conversion, in particular to a switching device of a server fan connector and an application method.
Background
The heat dissipation of the server needs to use a fan, and the heat generated by the server has a large difference under different service loads. Therefore, the rotation speed (air volume) of the fan needs to be adjusted according to the heat generated by the server, so as to reduce the power consumption and noise as much as possible under the condition of meeting the heat dissipation requirement.
The existing server fan rotating speed strategy mostly adopts a PWM control mode taking BMC and CPLD as cores. Firstly, a user sets an expected temperature value, and a temperature sensor in a case collects temperature information and reports the temperature information to the BMC. The BMC may respond by comparing the set temperature with the collected temperature. If the comparison result shows that the latter is larger, the BMC can judge that the temperature in the chassis is too high, and at the moment, the CPLD is informed through I2C to increase the PWM duty ratio output to the fan so as to improve the rotating speed of the fan; conversely, the PWM duty cycle will be reduced to reduce the fan speed. In addition, the BMC may obtain other signals, such as fan presence signal, speed signal (TACH), etc. Therefore, a connector connecting the fan and the fan board often requires 6Pin (VCC, GND, TACH1, TACH2, PRESENT, PWM). In some high-power fans, to meet the power supply requirement, one GND and VCC are added, and the fan connector is often 8 Pin.
Although server fan speed control systems take substantially the same design considerations, the definition of the pins of the same type of fan connector in different projects has different criteria, which results in the use of a particular type of fan for each type. This feature has no effect on mass production models, but often causes some trouble to hardware engineers in the development stage. For example, when performing a hardware return test (not a test for fan function), many signals need to be triggered in a power-on state. After the computer is started, a large amount of heat generated by the CPU needs to be blown away by a fan. This requires the fan to be prepared for the environment. However, the different types of fans cannot be used universally due to different pin sequences of the fan connectors of different types. Thus, engineers may have difficulty finding a suitable fan at a time. This problem increases the time they spend setting up the test environment on the one hand and also causes inefficient use of laboratory assets on the other hand.
Disclosure of Invention
When the environment is built and heat dissipation is needed by the fan, the fans of different models cannot be used universally due to different pin sequences of the fan connectors of different models. The invention provides a switching device of a server fan connector and an application method, which solve the problem that fans of different models are not universal due to different fan pin definitions.
In a first aspect, the present invention provides a switching device for a server fan connector, including an input connector and an output connector;
each pin of the input connector expands a multi-path line through a multiplexing module to be respectively connected to each pin of the output connector;
the device also comprises a micro control unit, wherein the micro control unit is respectively connected with the multiplexing module connected with each lead and is used for controlling the output channel of the multiplexing module.
Preferably, the device further comprises a key selection module and a channel display module;
the key selection module is connected with the micro control unit and used for selecting an output channel of the multiplexing module through keys;
the channel display module is connected with the micro control unit and used for intuitively selecting and displaying the corresponding relation of the input and output channels of the multiplexing module under the matching of the channel display module and the key selection module. The use of the user is convenient.
Preferably, the key selection module comprises an upper key, a lower key, a left key, a right key and a middle confirmation key, and the upper key, the lower key, the left key, the right key and the middle confirmation key are connected to the micro control unit;
an up-down key for selecting an output channel desired to be controlled;
the left and right keys are used for changing the value corresponding to the selected output channel;
and the confirmation key is used for enabling the setting of the upper, lower, left and right keys to be effective.
Preferably, the channel display module comprises eight segments of LED nixie tubes, the number of the eight segments of LED nixie tubes is the same as the number of pins of the output connector, and each eight segment of LED nixie tube is connected to the micro control unit.
Preferably, in order to prevent the dangerous situations such as short circuit caused by setting errors, the micro control unit is further configured to check whether the multiplexing module has a situation that the plurality of pins are connected to the same pin when receiving the information sent by the confirmation key, and if an error is detected, output an indication message to the eight-segment LED nixie tube corresponding to the pin to prompt the error.
An error detection mechanism is added in the codes of the micro-control unit, so that short circuit between pins caused by negligence of a user is avoided. The combination of the key selection module and the eight-section nixie tube is adopted, so that a user can conveniently select the self-defined pin corresponding relation.
Preferably, the multiplexing module is a power multiplexing chip.
Preferably, the input connector is a male connector and the output connector is a female connector.
The high-power multi-path selection chip and the management chip thereof realize the random exchange of the definition of the connector pins, and ensure that whether the electrical parameters of the fan meet the requirements or not only needs to be considered when the fan is used, but also the fans with the same definition of the connector pins do not need to be specially selected.
Preferably, when the input connector is connected to the connector slot of the fan board and the output connector is connected to the connector of the fan, the micro control unit acquires the volt-ampere characteristics between the pins of the multiplexing module and controls the output path of the multiplexing module according to the acquired volt-ampere characteristics.
An adaptive detection program can be added into the codes of the micro-control unit, so that the specific pin can be judged according to the volt-ampere characteristic curve among the pins. This may further simplify the operation steps. The user only needs to connect the connector to one position, and all other work is completed by the micro control unit.
In a second aspect, an application method of a switching device of a server fan connector is provided in the technical solution of the present invention, where the switching device is the switching device of the first aspect, and the method includes the following steps:
connecting the input connector of the switching device with a slot on a fan plate of the server; the output connector is connected with a wire end connector of the fan;
the micro control unit controls an output channel of the multiplexing module according to the set information or the acquired information;
when the switching device comprises the channel display module, after the channel selection is completed, the micro control unit checks whether the multiplexing module has the condition that a plurality of pins are connected to the same pin, and if an error is detected, the micro control unit outputs indication information to the channel display module to carry out error prompt.
Preferably, the step of the micro control unit controlling the output path of the multiplexing module according to the set information or the acquired information comprises:
the micro control unit acquires volt-ampere characteristics among pins of the multiplexing module and controls an output channel of the multiplexing module according to the acquired volt-ampere characteristics; or the like, or, alternatively,
when the switching device comprises a key selection module and the key selection module comprises an upper key, a lower key, a left key, a right key and a middle confirmation key, the micro control unit receives an output channel which is selected to be controlled by a user through the upper key and the lower key, changes a value corresponding to the selected output channel through the left key and the right key, and controls an output channel of the multiplexing module after receiving information input by the user through the confirmation key.
According to the technical scheme, the invention has the following advantages: the problem that fans defined by different pins cannot be used universally is solved, and the utilization rate of assets can be improved. For research and development testing engineers, the preparation time for setting up the environment can be reduced, and the problem that the fan cannot be used due to incorrect models is avoided.
In addition, the invention has reliable design principle, simple structure and very wide application prospect.
Therefore, compared with the prior art, the invention has prominent substantive features and remarkable progress, and the beneficial effects of the implementation are also obvious.
Drawings
In order to more clearly illustrate the embodiments or technical solutions in the prior art of the present invention, the drawings used in the description of the embodiments or prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
Fig. 1 is a schematic connection diagram of a transition device according to an embodiment of the present invention.
Fig. 2 is a schematic connection diagram of a PIN transfer device according to another embodiment 6 of the present invention.
FIG. 3 is a diagram showing the LED nixie tubes before and after installation.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the drawings in the embodiment of the present invention, and it is obvious that the described embodiment is only a part of the embodiment of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
English abbreviation: PIN, English full name: PIN, Chinese full name: a pin;
english abbreviation: MCU, English full name: microcontroller Unit, chinese full name: a micro control unit;
english abbreviation: PWM, english full name: pulse Width Modulation, chinese full name: pulse width modulation;
english abbreviation: CPLD, english full scale: complete Programmable Logic Device, Chinese full name: a complex programmable logic device;
english abbreviation: (power) mux, full name in English: power Multiplexer, Chinese full name: and a power supply multiplexing chip.
As shown IN fig. 1, embodiment 1 of the present invention provides a switching device for server fan connectors, including input connectors IN1-INn and output connectors OUT 1-OUTn;
each pin of the input connector expands a multi-path line through a multiplexing module to be respectively connected to each pin of the output connector; the corresponding multiplexing module is MUX 1-MUXn;
the device also comprises a micro control unit, wherein the micro control unit is respectively connected with the multiplexing module connected with each lead and is used for controlling the output channel of the multiplexing module.
It should be noted that, in this embodiment, when the input connector is connected to the connector slot of the fan plate, and the output connector is connected to the connector of the fan, the micro control unit obtains the volt-ampere characteristics between the pins of the multiplexing module, and controls the output path of the multiplexing module according to the obtained volt-ampere characteristics.
An adaptive detection program can be added into the codes of the MCU, so that the specific pin can be judged according to the volt-ampere characteristic curve among the pins. This may further simplify the operation steps. The user only needs to connect the connector to one position, and all other work is completed by the micro control unit.
The device solves the problem that fans defined by different pins cannot be used universally, and can improve the utilization rate of assets. For research and development testing engineers, the preparation time for setting up the environment can be reduced, and the problem that the fan cannot be used due to incorrect models is avoided.
The embodiment 2 of the invention provides a switching device of a server fan connector, which comprises an input connector IN1-INn and an output connector OUT 1-OUTN;
each pin of the input connector expands a multi-path line through a multiplexing module to be respectively connected to each pin of the output connector; the corresponding multiplexing module is MUX 1-MUXn;
the device also comprises a micro control unit, wherein the micro control unit is respectively connected with the multiplexing module connected with each lead and is used for controlling the output channel of the multiplexing module.
The device also comprises a key selection module and a channel display module;
the key selection module is connected with the micro control unit and used for selecting an output channel of the multiplexing module through keys;
the channel display module is connected with the micro control unit and used for intuitively selecting and displaying the corresponding relation of the input and output channels of the multiplexing module under the matching of the channel display module and the key selection module. The use of the user is convenient.
The invention provides a solution to the problem that fans of different models are not universal due to different definitions of the fans Pin. The high-power multi-path selection chip and the management chip thereof realize the random exchange of the definition of the connector pins, and ensure that whether the electrical parameters of the fan meet the requirements or not only needs to be considered when the fan is used, but also the fans with the same definition of the connector pins do not need to be specially selected.
each pin of the input connector expands a multi-path line through a multiplexing module to be respectively connected to each pin of the output connector; the corresponding multiplexing module is MUX 1-MUXn;
the device also comprises a micro control unit, wherein the micro control unit is respectively connected with the multiplexing module connected with each lead and is used for controlling the output channel of the multiplexing module.
The device also comprises a key selection module and a channel display module;
the key selection module is connected with the micro control unit and used for selecting an output channel of the multiplexing module through keys;
the channel display module is connected with the micro control unit and used for intuitively selecting and displaying the corresponding relation of the input and output channels of the multiplexing module under the matching of the channel display module and the key selection module. The use of the user is convenient.
In the embodiment, the key selection module comprises an upper key, a lower key, a left key, a right key and a middle confirmation key, wherein the upper key, the lower key, the left key, the right key and the middle confirmation key are connected to the micro control unit;
an up-down key for selecting an output channel desired to be controlled;
the left and right keys are used for changing the value corresponding to the selected output channel;
and the confirmation key is used for enabling the setting of the upper, lower, left and right keys to be effective.
Here, the channel display module includes eight segments of LED nixie tubes, the number of the eight segments of LED nixie tubes is the same as the number of pins of the output connector, and each of the eight segments of LED nixie tubes is connected to the micro control unit.
each pin of the input connector expands a multi-path line through a multiplexing module to be respectively connected to each pin of the output connector; the corresponding multiplexing module is MUX 1-MUXn;
the device also comprises a micro control unit, wherein the micro control unit is respectively connected with the multiplexing module connected with each lead and is used for controlling the output channel of the multiplexing module.
The device also comprises a key selection module and a channel display module;
the key selection module is connected with the micro control unit and used for selecting an output channel of the multiplexing module through keys;
the channel display module is connected with the micro control unit and used for intuitively selecting and displaying the corresponding relation of the input and output channels of the multiplexing module under the matching of the channel display module and the key selection module. The use of the user is convenient.
In the embodiment, the key selection module comprises an upper key, a lower key, a left key, a right key and a middle confirmation key, wherein the upper key, the lower key, the left key, the right key and the middle confirmation key are connected to the micro control unit;
an up-down key for selecting an output channel desired to be controlled;
the left and right keys are used for changing the value corresponding to the selected output channel;
and the confirmation key is used for enabling the setting of the upper, lower, left and right keys to be effective.
Here, the channel display module includes eight segments of LED nixie tubes, the number of the eight segments of LED nixie tubes is the same as the number of pins of the output connector, and each of the eight segments of LED nixie tubes is connected to the micro control unit.
In order to prevent dangerous situations such as short circuit caused by setting errors, the micro control unit is further configured to check whether the multiplexing module has a situation that a plurality of pins are connected to the same pin when receiving information sent by the confirmation key, and if an error is detected, output indication information to the eight-segment LED nixie tube corresponding to the pin for error prompt.
An error detection mechanism is added in the codes of the micro-control unit, so that short circuit between pins caused by negligence of a user is avoided. The combination of the key selection module and the eight-section nixie tube is adopted, so that a user can conveniently select the self-defined pin corresponding relation.
The multiplexing module is a power multiplexing chip. The input connector is a male connector, and the output connector is a female connector.
Taking the 6Pin fan as an example, namely 6-path input, the switching device comprises input connectors IN1-IN6 and output connectors OUT1-OUT 6;
the input connector IN1 is connected to the input of the power multiplexing chip MUX1, and the output of the MUX1 is connected to the output connectors OUT1-OUT6, respectively;
the input connector IN2 is connected to the input of the power multiplexing chip MUX2, and the output of the MUX2 is connected to the output connectors OUT1-OUT6, respectively;
the input connector IN3 is connected to the input of the power multiplexing chip MUX3, and the output of the MUX3 is connected to the output connectors OUT1-OUT6, respectively;
the input connector IN4 is connected to the input of the power multiplexing chip MUX4, and the output of the MUX4 is connected to the output connectors OUT1-OUT6, respectively;
the input connector IN5 is connected to the input of the power multiplexing chip MUX5, and the output of the MUX5 is connected to the output connectors OUT1-OUT6, respectively;
the input connector IN6 is connected to the input of the power multiplexing chip MUX6, and the output of the MUX6 is connected to the output connectors OUT1-OUT6, respectively;
the MCU is respectively connected to the control ends of the input connectors IN1-IN 6; the key selection module is connected with the micro control unit and used for selecting an output channel of the multiplexing module through keys; the channel display module is connected with the micro control unit and used for intuitively selecting and displaying the corresponding relation of the input and output channels of the multiplexing module under the matching of the channel display module and the key selection module. The use of the user is convenient.
That is, each input of the switching device passes through a controlled MUX that can be expanded into 6 paths, and the 6 expanded outputs of each input are respectively connected to OUT1-OUT6 of the output terminal. Thus, the 6 inputs are extended to 36 outputs as shown in FIG. 2. For example, assuming that the PWM is located at PIN one, the PIN1 signal is expanded into 6 paths after passing through the MUX1, and the 6 paths of outputs are respectively connected to 6 output PINs (OUT 1-OUT6) of the switching device. The remaining 5 input PINs (PIN2-6) are connected in the same manner as PIN 1. When the circuit works, the MUX can only select one path of output under the control of the MCU and is connected to the corresponding output pin. Therefore, the device needs 6 power muxes in total, and can realize arbitrary correspondence of input pins and output pins.
The Power mux chip is directly powered by the fan Power supply. And for the channel selection pin of the power mux, the channel selection pin is designed to be connected to a high level through a pull-up resistor and then connected to the GPIO pin of the MCU. Therefore, the MCU can control the channel selection of the power mux chip through the output high and low levels, and further realize the change of the sequence of the signal pins. For the convenience of user setting, four keys (up, down, left and right) are connected to the MCU. The up and down keys are used for selecting the output channel desired to be controlled, and the left and right keys are used for changing the value corresponding to the selected output channel. Thus, the channel selection of the Power mux chip can be controlled by the MCU.
Meanwhile, the eight sections of LED nixie tubes are connected to the MCU, and the corresponding relation of the input and output channels can be visually selected and displayed under the matching of the eight sections of LED nixie tubes and the keys.
Examples are as follows: in the board card test, the fan is not available due to the fact that the Pin sequence of the connector of the fan board is different from the Pin sequence of the connector of the fan, and therefore the test process is affected. At this time, the Pin sequence can be changed by using the device, and the operation method is as follows:
1. and connecting the cable. The input end (IN) of the adapter is connected with the slot of the fan plate, and the output end (OUT) of the adapter is connected with the connector of the fan.
2. And finding out the difference and the conversion relation of the two Pin definitions by the schematic diagram. Assuming the conversion relationship is as in table 1:
TABLE 1
| Number of Pin | Connector of fan board | Fan connector | |
| 1 | VCC | VCC | |
| 2 | GND | |
|
| 3 | | TACH1 | |
| 4 | | TACH2 | |
| 5 | | PRESENT | |
| 6 | PRESENT | PWM |
Then a comparison can be made to find that the reason for the fan being inoperable is due to the opposite definition of pin No. 5 and 6 in the two connectors.
3. When the power is connected, the panel displays default settings, i.e., IN1 for OUT1 and IN2 for OUT2 … ….
4. Pressing the up-down direction selection key, selecting the channel 5, and at the moment, changing eight sections of nixie tubes to flash. And pressing a left selection key and a right selection key until the LED nixie tube of the No. 5 channel displays a number of 6, wherein the No. 5 pin of the input end is connected with the No. 6pin of the output end. The channel 6 is arranged in the same way. And pressing a confirm key to enable the setting to be effective after all the six output channels are set. At this point the pin order of output # 5,6 has changed. The display before and after setup is shown in fig. 3.
In order to prevent the dangerous situations such as short circuit caused by setting errors, a detection mechanism can be set in the program code of the MCU, when the channel selection is finished and the confirm key is pressed, whether a plurality of input pins are connected to the same pin or not is firstly checked, and if the errors are detected, user operation is executed.
6 power mux chips were used to ensure that the adapter was suitable for any Pin-ordered fan interface. The MCU is used for controlling the channel selection of the power mux, so that the operation steps are simplified. Meanwhile, an error detection mechanism can be added into the code, so that short circuit between pins caused by user negligence is avoided. The combination of the keys and the eight-section nixie tubes is adopted, so that a user can conveniently select the self-defined pin corresponding relation.
connecting the input connector of the switching device with a slot on a fan plate of the server; the output connector is connected with the line end connector of the fan.
The micro control unit receives the output channel which is selected by the user through the up-down keys and changes the value corresponding to the selected output channel through the left-right keys, and controls the output channel of the multiplexing module after receiving the information input by the user through the confirmation keys.
After the channel selection is completed, the micro control unit checks whether the multiplexing module has the condition that a plurality of pins are connected to the same pin, and if an error is detected, the micro control unit outputs indication information to the channel display module to carry out error prompt.
IN this embodiment, the selected fan is a 6Pin fan, i.e., 6 inputs, and the adapter device includes input connectors IN1-IN6 and output connectors OUT1-OUT 6; the input connector IN1 is connected to the input of the power multiplexing chip MUX1, and the output of the MUX1 is connected to the output connectors OUT1-OUT6, respectively; the input connector IN2 is connected to the input of the power multiplexing chip MUX2, and the output of the MUX2 is connected to the output connectors OUT1-OUT6, respectively; the input connector IN3 is connected to the input of the power multiplexing chip MUX3, and the output of the MUX3 is connected to the output connectors OUT1-OUT6, respectively; the input connector IN4 is connected to the input of the power multiplexing chip MUX4, and the output of the MUX4 is connected to the output connectors OUT1-OUT6, respectively; the input connector IN5 is connected to the input of the power multiplexing chip MUX5, and the output of the MUX5 is connected to the output connectors OUT1-OUT6, respectively; the input connector IN6 is connected to the input of the power multiplexing chip MUX6, and the output of MUX6 is connected to the output connectors OUT1-OUT6, respectively.
The MCU is respectively connected to the control ends of the input connectors IN1-IN 6; the key selection module is connected with the micro control unit and used for selecting an output channel of the multiplexing module through keys; the channel display module is connected with the micro control unit and used for intuitively selecting and displaying the corresponding relation of the input and output channels of the multiplexing module under the matching of the channel display module and the key selection module. The use of the user is convenient.
That is, each input of the switching device passes through a controlled MUX that can be expanded into 6 paths, and the 6 expanded outputs of each input are respectively connected to OUT1-OUT6 of the output terminal. Thus, the 6 inputs are extended to 36 outputs as shown in FIG. 2. For example, assuming that the PWM is located at PIN one, the PIN1 signal is expanded into 6 paths after passing through the MUX1, and the 6 paths of outputs are respectively connected to 6 output PINs (OUT 1-OUT6) of the switching device. The remaining 5 input PINs (PIN2-6) are connected in the same manner as PIN 1. When the circuit works, the MUX can only select one path of output under the control of the MCU and is connected to the corresponding output pin. Therefore, the device needs 6 power muxes in total, and can realize arbitrary correspondence of input pins and output pins.
The Power mux chip is directly powered by the fan Power supply. And for the channel selection pin of the power mux, the channel selection pin is designed to be connected to a high level through a pull-up resistor and then connected to the GPIO pin of the MCU. Therefore, the MCU can control the channel selection of the power mux chip through the output high and low levels, and further realize the change of the sequence of the signal pins. For the convenience of user setting, four keys (up, down, left and right) are connected to the MCU. The up and down keys are used for selecting the output channel desired to be controlled, and the left and right keys are used for changing the value corresponding to the selected output channel. Thus, the channel selection of the Power mux chip can be controlled by the MCU.
Meanwhile, the eight sections of LED nixie tubes are connected to the MCU, and the corresponding relation of the input and output channels can be visually selected and displayed under the matching of the eight sections of LED nixie tubes and the keys.
The method comprises the following steps:
connecting the input connector of the switching device with a slot on a fan plate of the server; the output connector is connected with a wire end connector of the fan;
the micro control unit acquires volt-ampere characteristics among pins of the multiplexing module and controls an output channel of the multiplexing module according to the acquired volt-ampere characteristics;
after the channel selection is completed, the micro control unit checks whether the multiplexing module has the condition that a plurality of pins are connected to the same pin, and if an error is detected, the micro control unit outputs indication information to the channel display module to carry out error prompt.
It should be noted that, the switching device in this embodiment may also include a key selection module connected to the control unit, where the key selection module includes four keys, an upper key, a lower key, a left key, a right key, and a middle confirmation key, and the four keys, the upper key, the lower key, the left key, the right key, and the middle confirmation key are all connected to the micro control unit; an up-down key for selecting an output channel desired to be controlled; the left and right keys are used for changing the value corresponding to the selected output channel; and the confirmation key is used for enabling the setting of the upper, lower, left and right keys to be effective. Under the condition, when a user does not set the channel through the key, the selection of the key channel is directly completed through the MCU, and when the connection error of the key pin is detected, the setting body of the MUX channel is set again through the key selection module, so that the setting reliability is improved.
Although the present invention has been described in detail by referring to the drawings in connection with the preferred embodiments, the present invention is not limited thereto. Various equivalent modifications or substitutions can be made on the embodiments of the present invention by those skilled in the art without departing from the spirit and scope of the present invention, and these modifications or substitutions are within the scope of the present invention/any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (10)
1. The switching device of the fan connector of a kind of server, characterized by, including input connector and output connector;
each pin of the input connector expands a multi-path line through a multiplexing module to be respectively connected to each pin of the output connector;
the device also comprises a micro control unit, wherein the micro control unit is respectively connected with the multiplexing module connected with each lead and is used for controlling the output channel of the multiplexing module.
2. The server fan connector switching device according to claim 1, further comprising a key selection module and a channel display module;
the key selection module is connected with the micro control unit and used for selecting an output channel of the multiplexing module through keys;
the channel display module is connected with the micro control unit and used for intuitively selecting and displaying the corresponding relation of the input and output channels of the multiplexing module under the matching of the channel display module and the key selection module.
3. The switching device of a server fan connector according to claim 2, wherein the key selection module comprises four keys, an upper key, a lower key, a left key, a right key, a middle key and a confirmation key, wherein the four keys and the middle key are connected to the micro control unit;
an up-down key for selecting an output channel desired to be controlled;
the left and right keys are used for changing the value corresponding to the selected output channel;
and the confirmation key is used for enabling the setting of the upper, lower, left and right keys to be effective.
4. The adapter of server fan connector according to claim 3, wherein the channel display module comprises eight LED nixie tubes, the number of the eight LED nixie tubes is the same as the number of the pins of the output connector, and each eight LED nixie tube is connected to the micro control unit.
5. The adapter of server fan connector according to claim 4, wherein the micro control unit is further configured to check whether the multiplexing module has a plurality of pins connected to the same pin when receiving the information sent by the confirmation key, and if an error is detected, output an indication message to the eight-segment LED nixie tube corresponding to the pin for error prompt.
6. The device of claim 1, wherein the multiplexing module is a power multiplexing chip.
7. The adapter of server fan connector as claimed in claim 1, wherein the input connector is a male connector and the output connector is a female connector.
8. The adapter of server fan connector according to claim 1, wherein when the input connector is connected to the connector slot of the fan board and the output connector is connected to the connector of the fan, the micro control unit obtains the volt-ampere characteristic between the pins of the multiplexing module, and controls the output path of the multiplexing module according to the obtained volt-ampere characteristic.
9. A method of using a switching device for a server fan connector, wherein the switching device is as claimed in any one of claims 1 to 8, the method comprising the steps of:
connecting the input connector of the switching device with a slot on a fan plate of the server; the output connector is connected with a wire end connector of the fan;
the micro control unit controls an output channel of the multiplexing module according to the set information or the acquired information;
when the switching device comprises the channel display module, after the channel selection is completed, the micro control unit checks whether the multiplexing module has the condition that a plurality of pins are connected to the same pin, and if an error is detected, the micro control unit outputs indication information to the channel display module to carry out error prompt.
10. The method of claim 9, wherein the step of the mcu controlling the mux module output path according to the set information or the obtained information comprises:
the micro control unit acquires volt-ampere characteristics among pins of the multiplexing module and controls an output channel of the multiplexing module according to the acquired volt-ampere characteristics; or the like, or, alternatively,
when the switching device comprises a key selection module and the key selection module comprises an upper key, a lower key, a left key, a right key and a middle confirmation key, the micro control unit receives an output channel which is selected to be controlled by a user through the upper key and the lower key, changes a value corresponding to the selected output channel through the left key and the right key, and controls an output channel of the multiplexing module after receiving information input by the user through the confirmation key.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111234553.XA CN114003100A (en) | 2021-10-22 | 2021-10-22 | Switching device of server fan connector and application method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111234553.XA CN114003100A (en) | 2021-10-22 | 2021-10-22 | Switching device of server fan connector and application method |
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| Publication Number | Publication Date |
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| CN114003100A true CN114003100A (en) | 2022-02-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111234553.XA Withdrawn CN114003100A (en) | 2021-10-22 | 2021-10-22 | Switching device of server fan connector and application method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113075978A (en) * | 2021-03-26 | 2021-07-06 | 山东英信计算机技术有限公司 | Fan module hot plug timing sequence regulation and control device, method and server |
-
2021
- 2021-10-22 CN CN202111234553.XA patent/CN114003100A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113075978A (en) * | 2021-03-26 | 2021-07-06 | 山东英信计算机技术有限公司 | Fan module hot plug timing sequence regulation and control device, method and server |
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Application publication date: 20220201 |