CN211905589U - Mainboard health information management circuit based on domestic singlechip - Google Patents
Mainboard health information management circuit based on domestic singlechip Download PDFInfo
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- CN211905589U CN211905589U CN202020277172.4U CN202020277172U CN211905589U CN 211905589 U CN211905589 U CN 211905589U CN 202020277172 U CN202020277172 U CN 202020277172U CN 211905589 U CN211905589 U CN 211905589U
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Abstract
The utility model discloses a mainboard health information management circuit based on domestic singlechip, including domestic MCU, the voltage monitoring circuit who links to each other with domestic MCU input, current monitoring circuit, temperature monitoring circuit, the voltage of reaction mainboard health state, electric current and temperature signal pass through voltage monitoring circuit respectively, current monitoring circuit, temperature monitoring circuit transmission to domestic MCU, domestic MCU passes through IIC bus or network transmission mainboard health information after the analysis is decoded. The utility model discloses utilize domestic singlechip and three routes monitoring circuit to realize the health management of mainboard, monitoring circuit is simple, realizes easily.
Description
Technical Field
The utility model relates to a computer field specifically is a mainboard health information management circuit based on domestic singlechip.
Background
Information security is an important index in future information-based warfare, and in the environment of network combat, places where enemies can initiate information attacks are ubiquitous, so that the enemies cannot defend the warfare. Therefore, the replacement of a localization scheme is imperative, most of the conventional universal mainboard health information management adopts BMC (baseboard management controller) for remote monitoring and processing, and the consequence is very serious once the goods are broken.
Disclosure of Invention
The to-be-solved technical problem of the utility model is to provide a mainboard health information management circuit based on domestic singlechip, realize the health management of mainboard information based on domestic MCU.
In order to solve the technical problem, the utility model discloses a technical scheme is: the utility model provides a mainboard health information management circuit based on domestic singlechip, including domestic MCU, the voltage monitoring circuit who links to each other with domestic MCU input, current monitoring circuit, temperature monitoring circuit, voltage, electric current and the temperature signal that reflect mainboard health condition transmit to domestic MCU through voltage monitoring circuit, current monitoring circuit, temperature monitoring circuit respectively, domestic MCU passes through IIC bus or network transmission mainboard health information through analysis decoding.
Furthermore, the current monitoring circuit comprises an MOS tube, a current monitoring resistor and a current detection amplifier, the current monitoring resistor is connected to the drain electrode of the MOS tube, two input ends of the current detection amplifier are respectively connected to two ends of the current monitoring resistor, and the output end of the current detection amplifier is connected to a domestic MCU.
Furthermore, the voltage monitoring circuit comprises two voltage-dividing resistors and a filter capacitor, the voltage to be detected is grounded through the two voltage-dividing resistors connected in series, a node between the two voltage-dividing resistors is connected to a domestic MCU, and the filter capacitor is connected to two ends of the voltage-dividing resistor on the grounding side in parallel.
Furthermore, the temperature monitoring circuit comprises a temperature sensor, and the temperature sensor is connected to a domestic MCU.
Furthermore, 4 temperature monitoring circuits are arranged, and temperature sensors of the 4 temperature monitoring circuits are respectively arranged at the positions of the CPU, the bridge chip and the two GPUs.
Further, the domestic MCU realizes the network transmission of the health information of the mainboard through the Ethernet protocol stack management chip CH 395.
The utility model has the advantages that: the utility model discloses gather voltage, electric current and the temperature of mainboard in real time, then transmit domestic MCU and carry out the analysis and decode to know the health information of mainboard in real time. The utility model discloses utilize domestic singlechip and three routes monitoring circuit to realize the health management of mainboard, monitoring circuit is simple, realizes easily.
Drawings
FIG. 1 is a schematic block diagram of the present invention;
FIG. 2 is a schematic block diagram of embodiment 1;
FIG. 3 is a circuit schematic of the voltage monitoring circuit;
FIG. 4 is a schematic circuit diagram of a portion of the current monitoring circuit;
FIG. 5 is a circuit schematic of another portion of the current monitoring circuit;
fig. 6 is a circuit schematic of the temperature monitoring circuit.
Detailed Description
The invention will be further described with reference to the accompanying drawings and specific embodiments.
Example 1
The embodiment discloses a mainboard health information management circuit based on a domestic singlechip, as shown in fig. 1, the circuit respectively collects current, voltage and temperature reflecting the health state of a mainboard, then transmits the current, voltage and temperature to the domestic MCU for analysis and decoding, and then transmits mainboard health information through an IIC bus or a network.
As shown in fig. 2, in this embodiment, the current is transmitted to the domestic MCU through the current monitoring circuit, the voltage is transmitted to the domestic MCU through the voltage monitoring circuit, the temperature is transmitted to the domestic MCU through the temperature monitoring circuit, the MCU analyzes and decodes the transmitted current, voltage and temperature, and then transmits the health information of the motherboard through the IIC bus or the network. In this embodiment, the domestic MCU realizes network transmission of the health information of the motherboard via the ethernet protocol stack management chip CH 395.
In this embodiment, the voltage monitoring circuit includes two voltage-dividing resistors and a filter capacitor, the voltage to be measured is grounded through the two voltage-dividing resistors connected in series, a node between the two voltage-dividing resistors is connected to the domestic MCU, and the filter capacitor is connected in parallel at two ends of the voltage-dividing resistor at the ground side. As shown in fig. 3, 3 voltage monitoring circuits are provided to monitor 12V, 3.3 and 5V voltage sources, respectively.
When a voltage signal is collected, the voltage is controlled by a divider resistor to be divided into 0-3.3V (because the maximum bearing voltage of a pin of a single chip microcomputer is 3.3V, if the voltage above 3.3V needs to be detected, the voltage needs to be divided to meet the requirement of 0-3.3V, and then the voltage is amplified in the same proportion according to the dividing proportion by a domestic MCU (micro control unit), so that the actual voltage in the circuit is obtained), the MCU obtains each voltage value of the mainboard through internal integrated AD conversion calculation (the internal integrated AD conversion module equally divides the voltage of 0-3.3V in the same proportion, and the corresponding analog voltage value can be calculated according to the read AD digital value).
As shown in fig. 3 and 4, the current monitoring circuit includes an MOS transistor, a current monitoring resistor R7465 and a current detection amplifier U203, the current monitoring resistor R7465 is connected to a drain of the MOS transistor, two input terminals of the current detection amplifier U203 are respectively connected to two ends of the current monitoring resistor R7465, and an output terminal of the current detection amplifier U203 is connected to the domestic MCU.
When current information is collected, current passes through a high-precision current detection amplifier U203 (two ends of the amplifier are respectively connected to current monitoring resistors R7465 connected in series in a required detection circuit, when current passes through the amplifier, differential pressure is generated, and the detected current can be calculated through the differential pressure), the current information is converted into voltage information and fed back to the MCU, and the MCU obtains current values of the mainboard through conversion.
As shown in FIG. 6, the temperature monitoring circuit comprises a temperature sensor U48, and a temperature sensor U48 is connected to a domestic MCU. In this embodiment, 4 temperature monitoring circuits are provided, and the temperature sensors of the 4 temperature monitoring circuits are respectively disposed at the positions of the CPU, the bridge, and the two GPUs.
When the temperature signal is collected, the temperature sensor U48 changes the digital pulse data sent per second according to the change of the ambient temperature, and the MCU can obtain the relevant temperature information through counting the number of pulses read per second and through a comparison table.
The utility model discloses gather voltage, electric current and the temperature of mainboard in real time, then transmit domestic MCU and carry out the analysis and decode to know the health information of mainboard in real time. The utility model discloses utilize domestic singlechip and three routes monitoring circuit, monitoring circuit is simple, realizes easily.
The foregoing description is only for the basic principles and preferred embodiments of the present invention, and modifications and substitutions made by those skilled in the art according to the present invention belong to the protection scope of the present invention.
Claims (6)
1. The utility model provides a mainboard health information management circuit based on domestic singlechip which characterized in that: the intelligent monitoring system comprises a domestic MCU, a voltage monitoring circuit, a current monitoring circuit and a temperature monitoring circuit, wherein the voltage monitoring circuit, the current monitoring circuit and the temperature monitoring circuit are connected with the input end of the domestic MCU, voltage, current and temperature signals reflecting the health state of a mainboard are respectively transmitted to the domestic MCU through the voltage monitoring circuit, the current monitoring circuit and the temperature monitoring circuit, and the domestic MCU transmits mainboard health information through an IIC bus or a network after being analyzed and decoded.
2. The mainboard health information management circuit based on domestic singlechip of claim 1, characterized in that: the current monitoring circuit comprises an MOS tube, a current monitoring resistor and a current detection amplifier, wherein the current monitoring resistor is connected to a drain electrode of the MOS tube, two input ends of the current detection amplifier are respectively connected to two ends of the current monitoring resistor, and an output end of the current detection amplifier is connected to a domestic MCU.
3. The mainboard health information management circuit based on domestic singlechip of claim 1, characterized in that: the voltage monitoring circuit comprises two voltage-dividing resistors and a filter capacitor, the voltage to be detected is grounded through the two voltage-dividing resistors connected in series, a node between the two voltage-dividing resistors is connected to a domestic MCU, and the filter capacitor is connected to two ends of the voltage-dividing resistor on the ground side in parallel.
4. The mainboard health information management circuit based on domestic singlechip of claim 1, characterized in that: the temperature monitoring circuit comprises a temperature sensor, and the temperature sensor is connected to a domestic MCU.
5. The mainboard health information management circuit based on domestic singlechip of claim 4, characterized in that: and 4 temperature monitoring circuits are arranged, and temperature sensors of the 4 temperature monitoring circuits are respectively arranged at the positions of the CPU, the bridge chip and the two GPUs.
6. The mainboard health information management circuit based on domestic singlechip of claim 1, characterized in that: the domestic MCU realizes the network transmission of the health information of the mainboard through an Ethernet protocol stack management chip CH 395.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020277172.4U CN211905589U (en) | 2020-03-09 | 2020-03-09 | Mainboard health information management circuit based on domestic singlechip |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020277172.4U CN211905589U (en) | 2020-03-09 | 2020-03-09 | Mainboard health information management circuit based on domestic singlechip |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112564579A (en) * | 2020-11-30 | 2021-03-26 | 中国航空工业集团公司西安航空计算技术研究所 | Master-slave architecture electromechanical controller and health management method |
| CN112858872A (en) * | 2020-12-31 | 2021-05-28 | 华中光电技术研究所（中国船舶重工集团公司第七一七研究所） | Circuit board health management circuit, device, control method and circuit board health manager |
-
2020
- 2020-03-09 CN CN202020277172.4U patent/CN211905589U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112564579A (en) * | 2020-11-30 | 2021-03-26 | 中国航空工业集团公司西安航空计算技术研究所 | Master-slave architecture electromechanical controller and health management method |
| CN112858872A (en) * | 2020-12-31 | 2021-05-28 | 华中光电技术研究所（中国船舶重工集团公司第七一七研究所） | Circuit board health management circuit, device, control method and circuit board health manager |
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