CN112306796B - Device and method for detecting temperature of air inlet of storage server - Google Patents
Device and method for detecting temperature of air inlet of storage server Download PDFInfo
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Abstract
The invention provides a device and a method for detecting the temperature of an air inlet of a storage server, comprising a hard disk bracket, a temperature sensor and a controller, wherein the hard disk bracket is arranged at the air inlet of the server and used for fixing the temperature sensor; the temperature sensor circuit is arranged on the hard disk bracket and is used for transmitting temperature data detected by the temperature sensor; the hard disk back plate is connected with the temperature sensor circuit and used for transmitting the temperature data to the server mainboard; and the server mainboard is used for loading the BMC system, processing the temperature data through the BMC system and generating a fan regulation and control strategy of the air inlet of the server. The invention has the beneficial effects that: the detection of the surface type temperature field is realized through the plurality of temperature sensors, the problem that the detection result of the air inlet temperature detection device of the traditional server is single is solved, the detection device is suitable for a storage server, the surface type detection of the air inlet temperature can be realized, and the accuracy of temperature detection is improved.
Description
Technical Field
The invention relates to the field of measurement and control of a storage server, in particular to a device and a method for detecting the temperature of an air inlet of the storage server.
Background
With the development of internet industry and the large-scale application of cloud computing and big data technology in recent years, the demand of various industries in society for storage servers is greatly increased. Stability and reliability of storage servers are becoming more and more important.
The environmental working temperature of the server is very important for the stable operation of the server, and the server monitors the external and internal temperatures of the case and adjusts the fan to enable the server to work within a normal temperature range. The accuracy of the server temperature detection is therefore important to the server's temperature regulation system.
The current server generally places temperature sensors in an air inlet and an air outlet and inside a machine and key parts, collects the temperature of the working environment of the server, controls a server fan through a certain algorithm and adjusts the working temperature of the server. However, the front air inlet of the server is used for placing a hard disk, so that no space is provided for placing a temperature sensor, the temperature sensor can only be placed at the periphery of the air inlet, in addition, only one sensor can be placed, and the temperature detected by one temperature measuring point is inaccurate for the surface-type temperature field of the air inlet.
Disclosure of Invention
The invention provides a device and a method for detecting the temperature of an air inlet of a storage server, which are used for solving the problem of inaccurate detection of the temperature of the air inlet of the storage server.
A memory inlet temperature detection device, the device comprising:
the hard disk bracket is arranged at the air inlet of the server and used for fixing the temperature sensor;
the temperature sensor circuit is arranged on the hard disk bracket and is used for transmitting temperature data detected by the temperature sensor;
the hard disk back plate is connected with the temperature sensor circuit and used for transmitting the temperature data to the server mainboard;
and the server mainboard is used for loading the BMC system, processing the temperature data through the BMC system and generating a fan regulation and control strategy of the air inlet of the server.
In a preferred embodiment of the method of the invention,
the hard disk bracket is in a rectangular groove shape;
the temperature sensor circuit is composed of a flexible circuit board;
the number of the hard disk supports and the number of the temperature sensors are at least N, wherein N is more than 1;
the hard disk bracket is provided with a number and is sequentially arranged at the air inlet of the server according to the number;
the output end of the temperature sensor is connected with the input end of the temperature sensor circuit;
the output end of the temperature sensor circuit is connected with the hard disk backboard;
the hard disk backboard is connected with a server mainboard;
a BMC system is arranged in the server mainboard; wherein the content of the first and second substances,
the BMC system is provided with interval time, and continuously acquires the temperature data processed by the temperature sensor according to the interval time.
Preferably, the first and second liquid crystal materials are,
the temperature sensor circuit comprises an external interface, a temperature sensor and a working indicator light;
wherein the content of the first and second substances,
the external interface is respectively connected with the temperature sensing chip and the working indicator light;
the input end of the working indicator light is also electrically connected with the temperature sensor.
In a preferred embodiment of the method of the invention,
the external interface adopts a 4PIN gold finger in a physical form, and the 4PIN gold finger is in compression joint with a backplane connector on the hard disk backplane;
the external interface comprises a VCC pin, an I2C _ CLK pin, an I2C _ DAT pin and a GND pin; wherein, the first and the second end of the pipe are connected with each other,
the VCC pin and the GND pin are electrically connected with the VCC end of the working indicator lamp and the temperature sensing chip;
the GND pin is electrically connected with a VCC end of the temperature sensor;
the VCC pin and the GND pin are used for supplying power to the temperature sensor circuit;
the I2C _ CLK pin and the I2C _ DAT pin are electrically connected with an I2C _ CLK end and an I2C _ DAT end of the temperature sensor, and the I2C _ CLK pin and the I2C _ DAT pin are used for transmitting temperature data to a server mainboard through the hard disk backplane;
the backplane connector consists of 4PIN elastic reeds; wherein the content of the first and second substances,
and the elastic reed is connected with the contact of the 4PIN gold finger in a compression joint mode.
Preferably, the first and second liquid crystal materials are,
the working indicator light is used for judging whether the temperature sensor circuit is conducted or not and judging whether the hard disk backboard is connected with the temperature sensor circuit or not;
when the indicator light is on, the temperature sensor circuit is conducted, and the temperature sensor circuit is in good contact with the hard disk backboard;
when the indicator light goes out, the temperature sensor circuit is not conducted, and the temperature sensor circuit is indicated to be in poor contact with the hard disk backboard.
Preferably, the first and second liquid crystal materials are,
the temperature sensor circuit further includes a peripheral circuit:
the peripheral circuit comprises a filter capacitor and a resistor; the filter capacitor is used for filtering the power supply;
the resistor is used for generating impedance and is matched with a power supply.
Preferably, the first and second liquid crystal materials are,
the hard disk backboard is also provided with an I2C SWITCH chip;
the I2C SWITCH chip is connected with at least 1 backplane connector; wherein, the first and the second end of the pipe are connected with each other,
when a plurality of backplane connectors connected with the I2C SWITCH chips are provided, a plurality of temperature data can be received at the same time;
the I2C SWITCH chip is connected with the server mainboard, a BMC system of the server mainboard receives a plurality of temperature data transmitted by the I2C SWITCH chip, processes the temperature data, and sends a fan temperature regulation strategy to the server fan after the processing is finished;
the I2C SWITCH chip comprises an I2C _ SWITCH _1 pin and an I2C _ SWITCH _2 pin:
the I2C _ switch _1 pin is used for connecting a temperature sensor corresponding to a hard disk bracket with an odd number of digits;
and the I2C _ switch _2 pin is used for connecting temperature sensors corresponding to hard disk supports with even numbers.
A method for detecting the temperature of an air inlet of a storage server is characterized by comprising the following steps:
acquiring temperature data by adopting a temperature sensor arranged at an air inlet of a server, and preprocessing the temperature data through a preset temperature sensor circuit;
transmitting the preprocessed temperature data to a BMC (baseboard management controller) system of a server mainboard through a data bus on a hard disk backboard;
and calculating the preprocessed temperature data based on an average algorithm preset by the BMC system, and generating a fan regulation and control strategy of the air inlet temperature.
Preferably, the first and second liquid crystal materials are,
the adoption sets up the temperature sensor in server income wind gap and acquires temperature data, and will temperature data passes through the temperature sensor circuit preliminary treatment of predetermineeing, include:
acquiring a power-on signal of a storage server, and starting a server mainboard and a temperature sensor according to the power-on signal;
after the server mainboard and the temperature sensors are started by the power-on signal, the server mainboard is used for controlling an I2C SWITCH chip on the server mainboard to scan the position information of the temperature sensors on the hard disk bracket and initializing all the temperature sensors;
after the temperature sensor is initialized, the temperature sensor acquires temperature data of the air inlet of the server according to the position information, and the temperature data is filtered.
Preferably, the first and second liquid crystal materials are,
the method for calculating the preprocessed temperature data based on the average algorithm preset by the BMC system and generating the fan control strategy of the air inlet temperature comprises the following steps:
leading the preprocessed temperature data into a server mainboard, and removing obviously higher and lower temperature values through a BMC (baseboard management controller) system of the server mainboard to obtain balanced data;
respectively averaging the values of the temperature sensors according to the equalization data to obtain two groups of temperature values;
according to the two groups of temperature values, the BMC system takes the temperature values as the air inlet temperature in the fan control strategy rate;
and customizing a temperature regulation and control strategy through the BMC system according to the air inlet temperature and sending the temperature regulation and control strategy to a server fan. The invention has the beneficial effects that: the detection of the surface type temperature field is realized through the plurality of temperature sensors, the problem that the detection result of the air inlet temperature detection device of the traditional server is single is solved, the detection device is suitable for a storage server, the surface type detection of the air inlet temperature can be realized, and the accuracy of temperature detection is improved.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by the practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and drawings.
The technical solution of the present invention is further described in detail by the accompanying drawings and embodiments.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
fig. 1 is a diagram illustrating an apparatus configuration of a device for detecting a temperature of an air inlet of a storage server according to an embodiment of the present invention.
Fig. 2 is a flowchart of a method for detecting the temperature of an air inlet of a storage server according to an embodiment of the present invention.
FIG. 3 is a block diagram of a mechanical structure for mounting a temperature sensor in an embodiment of the present invention;
FIG. 4 is a sensor circuit of the present invention;
FIG. 5 is a diagram of the connection between the back plate and the hard disk support in the present invention;
FIG. 6 shows a temperature sensor detection circuit according to the present invention.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
The invention discloses a method for detecting the temperature of an air inlet of a storage server, which is used for solving the problem of inaccurate detection of the temperature of the air inlet of the storage server and acquiring temperature field data of a surface type air inlet through a temperature sensor on a novel hard disk bracket.
Example 1:
the invention comprises 4 parts of a hard disk bracket, a hard disk backboard, a server mainboard and a temperature sensor circuit. The hard disk bracket is used for fixing the temperature sensor and the temperature sensor circuit and can be arranged at an air inlet of the server. The hard disk back plate is used for carrying out data transmission, the server mainboard is used for processing temperature data, and the server fan receives the control instruction of the server mainboard, realizes adjusting the temperature of the air inlet.
As shown in fig. 1 and fig. 3, the present invention is a method for detecting the temperature of an air inlet of a storage server, comprising:
the hard disk bracket is arranged at the air inlet of the server and used for fixing the temperature sensor;
the temperature sensor circuit is arranged on the hard disk bracket and is used for transmitting temperature data detected by the temperature sensor;
the hard disk back plate is connected with the temperature sensor circuit and used for transmitting the temperature data to the server mainboard;
and the server mainboard is used for loading the BMC system, processing the temperature data through the BMC system and generating a fan regulation and control strategy of an air inlet of the server.
The principle of the technical scheme is as follows: the temperature sensors are arranged in front of the hard disk support, so that the surface type temperature field detection realized by one or more temperature sensors is realized, the processing is carried out according to the temperature data of the surface type temperature field, the fan temperature regulation and control strategy to be implemented is determined, and the strategy is sent to the server fan.
The beneficial effects of the above technical scheme are: the detection of the surface type temperature field is realized through a plurality of temperature sensors, and the problem that the detection result of the traditional server air inlet temperature detection device is single is solved.
As an embodiment of the present invention, the temperature sensor and the temperature sensor circuit are fixed on a hard disk support, and the hard disk support is installed at the server air inlet;
as shown in fig. 3 and 5, the temperature sensor circuit is formed by a flexible circuit board;
the number of the hard disk supports and the number of the temperature sensors are at least N, wherein N is more than 1;
the hard disk support is provided with a number, and is sequentially arranged at the air inlet of the server according to the number;
the output end of the temperature sensor is connected with the input end of the temperature sensor circuit
The output end of the temperature sensor circuit is connected with the hard disk backboard;
the hard disk backboard is connected with a server mainboard;
a BMC system is arranged in the server mainboard; wherein the content of the first and second substances,
the BMC system is provided with interval time, and continuously acquires the temperature data processed by the temperature sensor according to the interval time.
The principle of the technical scheme is as follows: according to the invention, one temperature sensor corresponds to one hard disk support and can be sequentially arranged at an air inlet of a server, and temperature data obtained by the temperature sensor is transmitted to a BMS system of a server mainboard for processing through a hard disk backboard. And the BMS system can also control the period of temperature acquisition of the temperature sensor and set the acquisition condition. The temperature sensor circuit is realized by using a Flexible Printed Circuit (FPC), so that the temperature sensor circuit can occupy a small volume, and meanwhile, the circuit board is flexible and bendable and is convenient to fix at the edge of a hard disk support. The sensor area of the temperature sensor flexible circuit board is fixed at the front end of the support, the air inlet temperature can be detected more accurately at the air inlet position of the whole server, the signal line part is attached to the side wall along the side wall of the support, and the gold finger contact area is attached to the rear of the support.
The beneficial effects of the above technical scheme are that: after the temperature sensor circuit collects the temperature data on each hard disk support, the collected data are transmitted to a BMC system of the server mainboard, and therefore the occupation of interfaces of the server mainboard is reduced.
As an embodiment of the present invention, as shown in fig. 4, the temperature sensor circuit includes an external interface, a temperature sensor and a work indicator; wherein the content of the first and second substances,
the external interface is respectively connected with the temperature sensing chip and the working indicator lamp;
the input end of the working indicator light is also electrically connected with the temperature sensor.
The principle of the technical scheme is as follows: through external interface, let the temperature sensor circuit be connected with the hard disk backplate, let temperature sensor circuit data can transmit for the hard disk backplate again when for the power supply of temperature sensor circuit, supply power for the work pilot lamp through the temperature sensor circuit simultaneously, judge the temperature sensor circuit break-make condition for the hard disk situation in place of observation.
The beneficial effects of the above technical scheme are: through newly adding contact connecting circuit, need not carry out the interface to current server and expand in order to satisfy the normal needs of temperature sensor circuit, only need add new temperature sensor detection circuitry on current server, just can realize the power supply, temperature detects, and hard disk detection integration in place.
As an embodiment of the present invention, as shown in fig. 4, the external interface adopts a 4PIN gold finger in a physical form, and the gold finger of the 4PIN is in pressure connection with a backplane connector on the hard disk backplane;
the external interface comprises a VCC pin, an I2C _ CLK pin, an I2C _ DAT pin and a GND pin; wherein the content of the first and second substances,
the VCC pin and the GND pin are electrically connected with the VCC end of the working indicator lamp and the temperature sensing chip;
the GND pin is electrically connected with a VCC end of the temperature sensor;
the VCC pin and the GND pin are used for supplying power to the temperature sensor circuit;
the I2C _ CLK pin and the I2C _ DAT pin are electrically connected with an I2C _ CLK end and an I2C _ DAT end of the temperature sensor, and the I2C _ CLK pin and the I2C _ DAT pin are used for transmitting temperature data to a server mainboard through the hard disk backplane;
the backplane connector consists of 4PIN elastic reeds; wherein the content of the first and second substances,
and the elastic reed is connected with the contact of the 4PIN gold finger in a compression joint mode.
The technical principle and the beneficial effects of the technical scheme are as follows: in the invention, the 4PIN connector is a reed with elasticity, when a hard disk is arranged on a hard disk support and the support is pushed into a server, the 4PIN golden finger is correspondingly pressed with the reed of the 4PIN connector, and the temperature sensor circuit is conducted. The 4PIN connector is correspondingly arranged on the hard disk backboard and used for supplying power to the temperature sensor circuit and receiving temperature data transmitted by the temperature sensor circuit, the circuit contact connection can be firmer through the method of pressing the elastic spring pieces, the obtained hard disk on-site condition detection result is more convincing, the data transmission is realized through bus transmission, and the data transmission is quicker.
As an embodiment of the present invention, as shown in fig. 4, the operation indicator is used to determine whether the temperature sensor circuit is turned on, determine whether the hard disk backplane is connected to the temperature sensor circuit, and thereby determine whether the temperature sensor circuit is in good contact with the hard disk backplane;
when the indicator light is on, the temperature sensor circuit is conducted, and the temperature sensor circuit is in good contact with the hard disk backboard;
when the indicator light goes out, the temperature sensor circuit is not conducted, and the temperature sensor circuit is indicated to be in poor contact with the hard disk backboard.
The principle and the beneficial effects of the technical scheme are as follows: in order to judge the connection state of the hard disk backboard and the temperature sensor circuit, the working indicator lamp is arranged, and when the indicator lamp is turned on, the temperature sensor circuit is conducted to indicate that the temperature sensor circuit is in good contact with the hard disk backboard; when the indicator light goes out, the temperature sensor circuit is not conducted, the temperature sensor circuit is indicated to be in poor contact with the hard disk backboard, and therefore a user can judge the connection condition of the temperature sensor and the hard disk backboard through the working indicator light.
In one embodiment: to determine whether the temperature sensor circuit is operating properly. The work indicator lamp adopts green LED, is connected to the 3.3V power through 100 omega resistance. When the sensor circuit is in good contact with the back plate, the back plate supplies power to the sensor circuit, the LED lamp is turned on, and when the contact is poor, the LED lamp is in an off state, so that whether the sensor circuit is in good contact with the back plate or not and whether the circuit works normally or not can be simply judged.
As an embodiment of the present invention, as shown in fig. 4, the temperature sensor circuit further includes a peripheral circuit:
the peripheral circuit comprises a filter capacitor and a resistor; the filter capacitor is used for filtering the power supply;
the inductor is used for generating impedance and is matched with a power supply.
The principle and the beneficial effects of the technical scheme are as follows: the main function of the filter capacitor and the inductor is to support the sensor operation. The chip power supply part adopts 4.7uf and 0.1uf capacitors to filter the power supply, the I2C bus is connected with a 33 omega resistor in series to perform impedance matching, and meanwhile, the power supply is pulled up to a 3.3V power supply through a 2.2k circuit.
As an embodiment of the present invention, as shown in fig. 6, an I2C SWITCH chip is further disposed on the hard disk backplane;
the I2C SWITCH chip is connected with at least 1 backplane connector; wherein the content of the first and second substances,
when a plurality of backplane connectors connected with the I2C SWITCH chips are provided, a plurality of temperature data can be received at the same time;
the I2C SWITCH chip is connected with the server mainboard, a BMC system of the server mainboard receives the plurality of temperature data transmitted by the I2C SWITCH chip, processes the temperature data, and sends a fan temperature regulation strategy to the server fan after the processing is finished.
The I2C SWITCH chip comprises an I2C _ SWITCH _1 pin and an I2C _ SWITCH _2 pin:
the I2C _ switch _1 pin is used for connecting a temperature sensor corresponding to a hard disk bracket with an odd number of digits;
and the I2C _ switch _2 pin is used for connecting a temperature sensor corresponding to a hard disk bracket with an even number.
The principle and the beneficial effects of the technical scheme are as follows: the number of the SWITCH chips can be multiple, the temperature data obtained by the temperature sensor circuits on the multiple hard disk supports can be obtained in a crossed mode through the hard disk back plates corresponding to the multiple hard disk supports in a crossed connection mode, when a certain SWITCH chip has a problem, the data on the other SWITCH chip can still meet the detection requirement, and in addition, when a certain hard disk support area has a problem, the abnormal situation can be analyzed through the data results of the two SWITCH chips. The temperature in the same region is collected by two temperature sensors and is transmitted to the BMC through two paths of physical circuits, so that system redundancy is realized, and reliability is improved.
As shown in fig. 2, the present invention further includes a method for detecting the temperature of the air inlet of the storage server, including:
acquiring temperature data by adopting a temperature sensor arranged at an air inlet of a server, and preprocessing the temperature data through a preset temperature sensor circuit;
transmitting the preprocessed temperature data to a BMC (baseboard management controller) system of a server mainboard through a data bus on a hard disk backboard;
and calculating the preprocessed temperature data based on an average algorithm preset by the BMC system, and generating a fan regulation and control strategy of the air inlet temperature.
The principle of the technical scheme is as follows: the temperature sensors are arranged in front of the hard disk bracket, so that the surface type temperature field detection realized by one or more temperature sensors together is realized, the processing is carried out according to the temperature data of the surface type temperature field, the fan temperature regulation and control strategy to be implemented is determined, and the strategy is sent to the server fan.
The beneficial effects of the above technical scheme are: the detection of the surface type temperature field is realized through a plurality of temperature sensors, and the problem that the detection result of the traditional server air inlet temperature detection device is single is solved.
As an embodiment of the present invention, the acquiring temperature data by using a temperature sensor disposed at an air inlet of a server, and preprocessing the temperature data by using a preset temperature sensor circuit includes:
acquiring a power-on signal of a storage server, and starting a server mainboard and a temperature sensor according to the power-on signal;
after the server mainboard and the temperature sensors are started by the power-on signal, the server mainboard is used for controlling an I2C SWITCH chip on the server mainboard to scan the position information of the temperature sensors on the hard disk bracket and initializing all the temperature sensors;
and after the temperature sensor is initialized, the temperature sensor acquires temperature data of the air inlet of the server according to the position information and filters the temperature data. The principle and the beneficial effects of the technical scheme are as follows: when a server starts to work, the in-place condition of a hard disk is judged through an I2C SWITCH chip, whether the hard disk is installed abnormally or the hard disk is pulled out illegally is detected, then a temperature sensor is initialized, the temperature sensor works normally, finally, temperature collection is carried out through an air inlet in front of a hard disk support for many times, collected temperature data assist the temperature sensor in working through filtering and impedance adding, and data transmission errors of the temperature sensor are prevented.
As an embodiment of the present invention, the fan control strategy for calculating the preprocessed temperature data based on the average algorithm preset by the BMC system and generating the air inlet temperature includes:
leading the preprocessed temperature data into a server mainboard, and removing obviously higher and lower temperature values through a BMC (baseboard management controller) system of the server mainboard to obtain balanced data;
respectively averaging the values of the temperature sensors according to the equalization data to obtain two groups of temperature values;
according to the two groups of temperature values, the BMC system takes the temperature values as the temperature of an air inlet in a fan control strategy rate;
and customizing a temperature regulation and control strategy through the BMC system according to the air inlet temperature and sending the temperature regulation and control strategy to the server fan.
The principle and the beneficial effects of the technical scheme are as follows:
the collected temperature data are transmitted to a BMC system to be processed, and a final fan temperature regulation and control strategy is determined, so that the whole temperature collection process is more scientific and effective, and the temperature data are more convincing. And removing abnormally higher or lower temperature values in the temperature data through a BMC system, calculating an average value of the temperature sensor values of 2N and 2N +1, and finally taking the average value as the air inlet temperature in a regulation and control strategy to reduce the influence of the abnormal data on a subsequent calculation result.
In a preferred embodiment, as shown in fig. 3, the temperature sensor circuit is fixed to the edge of the hard disk support; wherein the content of the first and second substances,
a sensing area of the temperature sensor circuit is fixed at an air inlet position at the front end of the hard disk support, and the sensing area acquires temperature data of the air inlet;
a signal line part of the temperature sensor circuit is attached to the side wall of the hard disk bracket, and the signal line transmits the temperature data;
the signal output contact of the temperature sensor circuit is attached to the rear of the hard disk support, when a hard disk is inserted, the signal output contact is connected with the hard disk back plate, and the signal output contact supplies power to the temperature sensor circuit and transmits temperature data to the hard disk back plate behind the hard disk support.
The principle of the technical scheme is as follows: a flexible temperature sensor circuit board is attached to the side face of the hard disk support, the sensor is arranged in front of the hard disk support, and the output of the circuit is arranged behind the hard disk support and connected with the hard disk back plate. Flexible Printed Circuit (FPC): a flexible printed circuit board is made of a polyimide or polyester film as a base material, and has high reliability and excellent properties. The high-density light-weight LED lamp has the characteristics of high wiring density, light weight, thin thickness and good bending property.
The beneficial effects of the above technical scheme are: utilize the strong circuit material of compliance, make the circuit more be fit for pasting the dress on the hard disk support to reduce the space that occupies the hard disk support, make each hard disk support can both install the temperature sensor circuit, data information is more perfect, and the testing result is also more accurate.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (6)
1. The utility model provides a storage server inlet temperature detection device which characterized in that includes:
the hard disk bracket is arranged at the air inlet of the server and used for fixing the temperature sensor;
the temperature sensor circuit is arranged on the hard disk bracket and is used for transmitting temperature data detected by the temperature sensor;
the hard disk back plate is connected with the temperature sensor circuit and used for transmitting the temperature data to the server mainboard;
the server mainboard is used for loading the BMC system, processing the temperature data through the BMC system and generating a fan regulation and control strategy of a server air inlet;
the hard disk bracket is in a rectangular groove shape;
the temperature sensor circuit is composed of a flexible circuit board;
the number of the hard disk supports and the number of the temperature sensors are N, wherein N is more than 1;
the hard disk bracket is provided with a number and is sequentially arranged at the air inlet of the server according to the number;
the output end of the temperature sensor is connected with the input end of the temperature sensor circuit;
the output end of the temperature sensor circuit is connected with the hard disk backboard;
the hard disk backboard is connected with a server mainboard;
a BMC system is arranged in the server mainboard; wherein the content of the first and second substances,
the BMC system is provided with interval time, and continuously acquires temperature data processed by the temperature sensor according to the interval time;
the temperature sensor circuit comprises an external interface, a temperature sensor and a working indicator light; wherein the content of the first and second substances,
the external interface is respectively connected with the temperature sensor and the working indicator light;
the input end of the working indicator light is also electrically connected with the temperature sensor;
the external interface adopts a 4PIN gold finger in a physical form, and the 4PIN gold finger is in compression joint with a backplane connector on the hard disk backplane;
the external interface comprises a VCC pin, an I2C _ CLK pin, an I2C _ DAT pin and a GND pin; wherein the content of the first and second substances,
the VCC pin and the GND pin are electrically connected with the VCC end of the working indicator lamp and the temperature sensing chip;
the GND pin is electrically connected with a VCC end of the temperature sensor;
the VCC pin and the GND pin are used for supplying power to the temperature sensor circuit;
the I2C _ CLK pin and the I2C _ DAT pin are electrically connected with an I2C _ CLK end and an I2C _ DAT end of the temperature sensor, and the I2C _ CLK pin and the I2C _ DAT pin are used for transmitting temperature data to a server mainboard through the hard disk backplane;
the backplane connector consists of 4PIN elastic reeds; wherein the content of the first and second substances,
the elastic reed is connected with a contact of the 4PIN gold finger in a compression joint mode;
the hard disk backboard is also provided with an I2C SWITCH chip;
the I2C SWITCH chip is connected with at least 1 backplane connector; wherein the content of the first and second substances,
when a plurality of backplane connectors connected with the I2C SWITCH chips are provided, a plurality of temperature data are received at the same time;
the I2C SWITCH chip is connected with the server mainboard, a BMC system of the server mainboard receives a plurality of temperature data transmitted by the I2C SWITCH chip and processes the temperature data, and a fan temperature regulation strategy is sent to a fan of the server after the processing is finished;
the I2C SWITCH chip comprises an I2C _ SWITCH _1 pin and an I2C _ SWITCH _2 pin:
the I2C _ switch _1 pin is used for connecting a temperature sensor corresponding to a hard disk bracket with an odd number of digits;
and the I2C _ switch _2 pin is used for connecting temperature sensors corresponding to hard disk supports with even numbers.
2. The device for detecting the temperature of the air inlet of the storage server as claimed in claim 1, wherein the working indicator light is used for judging whether the temperature sensor circuit is conducted or not and judging whether the hard disk backboard is connected with the temperature sensor circuit or not;
when the indicator light is turned on, the temperature sensor circuit is conducted, and the temperature sensor circuit is in good contact with the hard disk backboard;
when the indicator light goes out, the temperature sensor circuit is not conducted, and the temperature sensor circuit is indicated to be in poor contact with the hard disk backboard.
3. The storage server air inlet temperature detection device of claim 1, wherein the temperature sensor circuit further comprises a peripheral circuit:
the peripheral circuit comprises a filter capacitor and a resistor; the filter capacitor is used for filtering the power supply;
the resistor is used for generating impedance and is matched with a power supply.
4. A storage server air inlet temperature detection method implemented by using the storage server air inlet temperature detection device of any one of claims 1 to 3, comprising:
acquiring temperature data by adopting a temperature sensor arranged at an air inlet of a server, and preprocessing the temperature data through a preset temperature sensor circuit;
transmitting the preprocessed temperature data to a BMC (baseboard management controller) system of a server mainboard through a data bus on a hard disk backboard;
and calculating the preprocessed temperature data based on an average algorithm preset by the BMC system, and generating a fan regulation and control strategy of the air inlet temperature.
5. The method for detecting the temperature of the air inlet of the storage server as claimed in claim 4, wherein the step of acquiring the temperature data by using the temperature sensor arranged at the air inlet of the storage server and preprocessing the temperature data by using a preset temperature sensor circuit comprises the steps of:
acquiring a power-on signal of a storage server, and starting a server mainboard and a temperature sensor according to the power-on signal;
after the server mainboard and the temperature sensors are started by the power-on signal, an I2C SWITCH chip on the server mainboard is controlled by the server mainboard to scan the position information of the temperature sensors on the hard disk bracket, and all the temperature sensors are initialized;
after the temperature sensor is initialized, the temperature sensor acquires temperature data of the air inlet of the server according to the position information, and the temperature data is filtered.
6. The method as claimed in claim 4, wherein the calculating the pre-processed temperature data based on the average algorithm preset by the BMC system and generating the fan control strategy for the inlet temperature comprises:
importing the preprocessed temperature data into a server mainboard, and removing obviously higher and lower temperature values through a BMC (baseboard management controller) system of the server mainboard to obtain balanced data;
respectively averaging the values of the temperature sensors according to the equalization data to obtain two groups of temperature values;
according to the two groups of temperature values, the BMC system takes the temperature values as the temperature of an air inlet in a fan control strategy rate;
and customizing a temperature regulation and control strategy through the BMC system according to the air inlet temperature and sending the temperature regulation and control strategy to a server fan.
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| CN116400789B (en) * | 2023-05-30 | 2023-08-22 | 苏州浪潮智能科技有限公司 | Method and device for calibrating temperature of server, computer equipment and medium |
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| CN1704865A (en) * | 2004-06-02 | 2005-12-07 | 联想(北京)有限公司 | Server heat dissipation administrative system and method thereof |
| CN205315328U (en) * | 2015-12-28 | 2016-06-15 | 深圳市宝德计算机系统有限公司 | Intelligent cooling system of server |
| CN110594180A (en) * | 2019-07-19 | 2019-12-20 | 苏州浪潮智能科技有限公司 | Control method and system of server heat dissipation controller |
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| CN1704865A (en) * | 2004-06-02 | 2005-12-07 | 联想(北京)有限公司 | Server heat dissipation administrative system and method thereof |
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