CN211239714U - CPCI power that possesses health information monitoring function - Google Patents
CPCI power that possesses health information monitoring function Download PDFInfo
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- CN211239714U CN211239714U CN202020237660.2U CN202020237660U CN211239714U CN 211239714 U CN211239714 U CN 211239714U CN 202020237660 U CN202020237660 U CN 202020237660U CN 211239714 U CN211239714 U CN 211239714U
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Abstract
A CPCI power supply with a health information monitoring function is provided, a current/voltage detection circuit I detects the voltage and current values output by a PFC module in real time, the current/voltage detection circuit II measures the output voltage and current value of the DC-DC module I in real time and transmits the output voltage and current value to the MCU, the current/voltage detection circuit III measures the output voltage and current value of the DC-DC module II in real time and transmits the output voltage and current value to the MCU, the current/voltage detection circuit IV measures the output voltage and current value of the DC-DC module III in real time and transmits the output voltage and current value to the MCU, the MCU respectively controls the on-off of the DC-DC module I, the DC-DC module II and the DC-DC module III, the output control of 48V, 12V and 3.3V is realized, the safe real-time monitoring and uploading of the voltage and current information of the CPCI power supply are realized, and the stability of the whole machine system is improved.
Description
Technical Field
The utility model relates to a CPCI power field, concretely relates to CPCI power that possesses health information monitor function.
Background
The stability and reliability requirements of an electronic system in the industrial and military application fields are extremely high, even if a power supply module of an energy heart in the electronic system must meet the requirements of standardization, high power and high reliability, the detection of the whole state is realized in a system frame, and the conventional CPCI power supply cannot detect the voltage, current and temperature information in the power supply in real time, so that the special use environment in the industrial and military fields cannot be met.
Disclosure of Invention
The utility model discloses an overcome not enough of above technique, provide a realize 390V in the power, 48V, 12V and 3.3V DC voltage and electric current real-time detection's CPCI power.
The utility model overcomes the technical scheme that its technical problem adopted is:
a CPCI power supply with a health information monitoring function comprises:
the connector is internally provided with an ACIN interface for inputting alternating current, a 48Vout interface for outputting 48V direct current, a 12Vout interface for outputting 12V direct current and a 3.3Vout interface for outputting 3.3V direct current;
the input end of the EMI filter circuit is connected with the ACIN interface;
the input end of the PFC module is connected with the output end of the EMI filter circuit, and the PFC module converts alternating current output by the EMI filter circuit into 390V direct current;
the input ends of the DC-DC module I, the DC-DC module II and the DC-DC module III are respectively connected to the output end of the PFC module through a current/voltage detection circuit I, the current/voltage detection circuit I is connected to the MCU, the control ends of the DC-DC module I, the DC-DC module II and the DC-DC module III are respectively connected to the MCU, the DC-DC module I converts 390V direct current into 48V direct current, the DC-DC module II converts 390V direct current into 12V direct current, and the DC-DC module III converts 390V direct current into 3.3V direct current;
the input end of the current-sharing control circuit I is connected to the output end of the DC-DC module I through a current/voltage detection circuit II, the output end of the current-sharing control circuit I is connected to a 48Vout interface through an OR-ing circuit I, and the current/voltage detection circuit II is connected to the MCU;
the input end of the current-sharing control circuit II is connected to the output end of the DC-DC module II through the current/voltage detection circuit III, the output end of the current-sharing control circuit II is connected to the 12Vout interface through the OR-ing circuit II, and the current/voltage detection circuit III is connected to the MCU; and
and the input end of the current-sharing control circuit III is connected to the output end of the DC-DC module III through a current/voltage detection circuit IV, the output end of the current-sharing control circuit III is connected to a 3.3Vout interface through an OR-ing circuit III, and the current/voltage detection circuit IV is connected to the MCU.
In order to isolate 48V from 12V and 3.3V, the DC-DC module I further comprises an optical coupler, and the control end of the DC-DC module I is connected with the MCU through the optical coupler.
In order to realize real-time temperature monitoring, the temperature monitoring device also comprises a temperature sensor arranged in the CPCI power supply, and the temperature sensor is connected with the MCU.
In order to facilitate data acquisition by a host computer, the system further comprises an I2C interface arranged on the connector, and the MCU is connected to the I2C interface through an I2C bus isolator.
The utility model has the advantages that: the DC-DC module I reduces 390V direct current into 48V direct current, then the DC-DC module I carries out current equalization treatment through an OR-ing circuit I to prevent the current from flowing backwards and then the current is output through a 48Vout interface, the DC-DC module II reduces 390V direct current into 12V direct current, then the DC-DC module II carries out current equalization treatment through an OR-ing circuit II to prevent the current from flowing backwards and then the current is output through a 12Vout interface, the DC-DC module III reduces 390V direct current into 3.3V direct current, then the current equalization treatment is carried out through a current equalization control circuit III, then the current is prevented from flowing backwards and then the current is output through a 3.3Vout interface, a current/voltage detection circuit II measures the output voltage and current value of the DC-DC module I in real time and transmits the voltage and current value to an MCU, a current/voltage detection circuit III measures the output voltage and current value of the DC-, the current/voltage detection circuit IV measures the output voltage and current value of the DC-DC module III in real time and transmits the output voltage and current value to the MCU, the MCU controls the on-off of the DC-DC module I, the DC-DC module II and the DC-DC module III respectively, the output control of 48V, 12V and 3.3V is realized, the safe real-time monitoring and uploading of voltage and current information of the CPCI power supply are realized, and the stability of the whole system is improved.
Drawings
Fig. 1 is a circuit structure diagram of the present invention.
Detailed Description
The present invention will be further explained with reference to fig. 1.
A CPCI power supply with a health information monitoring function comprises:
the connector is internally provided with an ACIN interface for inputting alternating current, a 48Vout interface for outputting 48V direct current, a 12Vout interface for outputting 12V direct current and a 3.3Vout interface for outputting 3.3V direct current;
the input end of the EMI filter circuit is connected with the ACIN interface;
the input end of the PFC module is connected with the output end of the EMI filter circuit, and the PFC module converts alternating current output by the EMI filter circuit into 390V direct current;
the input ends of the DC-DC module I, the DC-DC module II and the DC-DC module III are respectively connected to the output end of the PFC module through a current/voltage detection circuit I, the current/voltage detection circuit I is connected to the MCU, the control ends of the DC-DC module I, the DC-DC module II and the DC-DC module III are respectively connected to the MCU, the DC-DC module I converts 390V direct current into 48V direct current, the DC-DC module II converts 390V direct current into 12V direct current, and the DC-DC module III converts 390V direct current into 3.3V direct current;
the input end of the current-sharing control circuit I is connected to the output end of the DC-DC module I through a current/voltage detection circuit II, the output end of the current-sharing control circuit I is connected to a 48Vout interface through an OR-ing circuit I, and the current/voltage detection circuit II is connected to the MCU;
the input end of the current-sharing control circuit II is connected to the output end of the DC-DC module II through the current/voltage detection circuit III, the output end of the current-sharing control circuit II is connected to the 12Vout interface through the OR-ing circuit II, and the current/voltage detection circuit III is connected to the MCU; and
and the input end of the current-sharing control circuit III is connected to the output end of the DC-DC module III through a current/voltage detection circuit IV, the output end of the current-sharing control circuit III is connected to a 3.3Vout interface through an OR-ing circuit III, and the current/voltage detection circuit IV is connected to the MCU.
The alternating current input from the ACIN interface passes through the EMI filter circuit, the EMI filter circuit blocks EMI interference from a power grid to a power supply and from the power supply to the power grid, meanwhile, the functions of suppressing surge and protecting the power supply can be achieved, the filtered alternating current is converted into 390V direct current through the PFC module, the voltage and the current value output by the PFC module are detected in real time through the current/voltage detection circuit I and are transmitted to the MCU, the 390V direct current is reduced by the DC-DC module I to be converted into 48V direct current, then the current is equalized by the current equalization control circuit I, then the current is processed by the OR-ing circuit I to prevent the current from flowing backwards, then the current is output through the 48Vout interface, the 390V direct current is reduced by the DC-DC module II to be converted into 12V direct current, then the current is equalized by the current equalization control circuit II to be processed by the OR-ing circuit II to prevent the current from flowing backwards, then the current is output through the 12Vout interface The current is prevented from flowing backwards through the OR-ing circuit III and then is output through the 3.3Vout interface, the current/voltage detection circuit II measures the output voltage and the current value of the DC-DC module I in real time and transmits the output voltage and the current value to the MCU, the current/voltage detection circuit III measures the output voltage and the current value of the DC-DC module II in real time and transmits the output voltage and the current value to the MCU, the MCU controls the on-off of the DC-DC module I, the DC-DC module II and the DC-DC module III respectively, the 48V, 12V and 3.3V output control is realized, the safe real-time monitoring and uploading of voltage and current information of the CPCI power supply are realized, and the stability of a whole machine system is improved.
Furthermore, the DC-DC module I also comprises an optical coupler, and the control end of the DC-DC module I is connected with the MCU through the optical coupler. Since 48V is generally used as fan power supply in computer system design, 48V is isolated from 12V and 3.3V by optical couplers on CPCI power supply design so as not to affect the system stability of low-voltage power supply.
Furthermore, the temperature sensor is arranged in the CPCI power supply and connected with the MCU. The temperature sensor monitors the temperature in the power supply in real time and sends the monitored temperature value to the MCU.
Preferably, the MCU further comprises an I2C interface arranged on the connector, and the MCU is connected to the I2C interface through an I2C bus isolator. The MCU sends the measured current, voltage information and temperature values to an upper computer through an I2C interface through an I2C bus, and uploading of health information is completed.
The above description is only a preferred embodiment of the present invention, and is only used to illustrate the technical solutions of the present invention, and not to limit the protection scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention shall fall within the protection scope of the present invention.
Claims (4)
1. A CPCI power supply with a health information monitoring function is characterized by comprising:
the connector is internally provided with an ACIN interface for inputting alternating current, a 48Vout interface for outputting 48V direct current, a 12Vout interface for outputting 12V direct current and a 3.3Vout interface for outputting 3.3V direct current;
the input end of the EMI filter circuit is connected with the ACIN interface;
the input end of the PFC module is connected with the output end of the EMI filter circuit, and the PFC module converts alternating current output by the EMI filter circuit into 390V direct current;
the input ends of the DC-DC module I, the DC-DC module II and the DC-DC module III are respectively connected to the output end of the PFC module through a current/voltage detection circuit I, the current/voltage detection circuit I is connected to the MCU, the control ends of the DC-DC module I, the DC-DC module II and the DC-DC module III are respectively connected to the MCU, the DC-DC module I converts 390V direct current into 48V direct current, the DC-DC module II converts 390V direct current into 12V direct current, and the DC-DC module III converts 390V direct current into 3.3V direct current;
the input end of the current-sharing control circuit I is connected to the output end of the DC-DC module I through a current/voltage detection circuit II, the output end of the current-sharing control circuit I is connected to a 48Vout interface through an OR-ing circuit I, and the current/voltage detection circuit II is connected to the MCU;
the input end of the current-sharing control circuit II is connected to the output end of the DC-DC module II through the current/voltage detection circuit III, the output end of the current-sharing control circuit II is connected to the 12Vout interface through the OR-ing circuit II, and the current/voltage detection circuit III is connected to the MCU; and
and the input end of the current-sharing control circuit III is connected to the output end of the DC-DC module III through a current/voltage detection circuit IV, the output end of the current-sharing control circuit III is connected to a 3.3Vout interface through an OR-ing circuit III, and the current/voltage detection circuit IV is connected to the MCU.
2. A CPCI power supply with health information monitoring function as claimed in claim 1, wherein: the control end of the DC-DC module I is connected with the MCU through the optocoupler.
3. A CPCI power supply with health information monitoring function as claimed in claim 1, wherein: the temperature sensor is arranged in the CPCI power supply and connected to the MCU.
4. A CPCI power supply with health information monitoring function as claimed in claim 1, wherein: the MCU also comprises an I2C interface arranged on the connector, and the MCU is connected to the I2C interface through an I2C bus isolator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020237660.2U CN211239714U (en) | 2020-03-02 | 2020-03-02 | CPCI power that possesses health information monitoring function |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020237660.2U CN211239714U (en) | 2020-03-02 | 2020-03-02 | CPCI power that possesses health information monitoring function |
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| CN211239714U true CN211239714U (en) | 2020-08-11 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115167648A (en) * | 2022-09-08 | 2022-10-11 | 中国电子科技集团公司第十五研究所 | VPX power supply equipment |
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2020
- 2020-03-02 CN CN202020237660.2U patent/CN211239714U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115167648A (en) * | 2022-09-08 | 2022-10-11 | 中国电子科技集团公司第十五研究所 | VPX power supply equipment |
| CN115167648B (en) * | 2022-09-08 | 2022-12-13 | 中国电子科技集团公司第十五研究所 | VPX power supply equipment |
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