CN111506481A - Power supply loop monitoring system - Google Patents
Power supply loop monitoring system Download PDFInfo
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- CN111506481A CN111506481A CN202010333399.0A CN202010333399A CN111506481A CN 111506481 A CN111506481 A CN 111506481A CN 202010333399 A CN202010333399 A CN 202010333399A CN 111506481 A CN111506481 A CN 111506481A
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- resistor
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- triode
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/30—Monitoring
- G06F11/3058—Monitoring arrangements for monitoring environmental properties or parameters of the computing system or of the computing system component, e.g. monitoring of power, currents, temperature, humidity, position, vibrations
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/26—Power supply means, e.g. regulation thereof
- G06F1/28—Supervision thereof, e.g. detecting power-supply failure by out of limits supervision
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/30—Monitoring
- G06F11/3003—Monitoring arrangements specially adapted to the computing system or computing system component being monitored
- G06F11/3031—Monitoring arrangements specially adapted to the computing system or computing system component being monitored where the computing system component is a motherboard or an expansion card
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- Theoretical Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Computing Systems (AREA)
- Quality & Reliability (AREA)
- Mathematical Physics (AREA)
- Amplifiers (AREA)
- Measurement Of Current Or Voltage (AREA)
Abstract
The invention discloses a power supply loop monitoring system, which comprises a power acquisition module and a screening calibration module, wherein the power acquisition module acquires a power signal output by a power sampler J1 with the model of YK-3D3, the screening calibration module detects the amplitude of the output signal of the power acquisition module by using a triode Q1 and a triode Q2, a peak circuit screening peak signal is formed by using an operational amplifier AR2, a diode D2 and a diode D3, then a phase shift circuit formed by the operational amplifier AR3 and a capacitor C3 is used for shifting the phase of a signal, a frequency modulation circuit formed by two paths of signals by using an inductor L1, a capacitor C4-a capacitor C6 is used for stabilizing the signal frequency, and finally the two paths of signals are input into a buffer circuit formed by the operational amplifier AR4 and a resistor R16 together, and are sent into a power supply loop monitoring system terminal by a signal transmitter E1 after the signals are buffered, so that a triggering early warning signal of the power supply loop monitoring system terminal is convenient, and the temperature of a.
Description
Technical Field
The invention relates to the technical field of power supply loops, in particular to a power supply loop monitoring system.
Background
The power supply loop is an important component in the mainboard, and the effect of the power supply loop is to carry out voltage conversion on the current transmitted by the host power supply, convert the voltage to the core voltage value which can be accepted by the CPU, so that the CPU normally works, the power supply loop can generate larger conduction loss in the current-voltage conversion process, so that the temperature of the mainboard is raised, although the mainboard is provided with a heat dissipation device, the temperature of the mainboard can still continuously rise, the continuous rise of the temperature of the mainboard can cause the system to slow down for the control of the mainboard of some factory large-scale equipment used for a long time, even trigger the system to protect and power off, and the work efficiency of the factory large-scale equipment is seriously influenced.
Disclosure of Invention
In view of the above situation, an object of the present invention is to provide a power loop monitoring system, which can adjust the output power signal of a power loop and convert the output power signal into a trigger warning signal of a power loop monitoring system terminal.
The technical scheme includes that the power supply loop monitoring system comprises a power acquisition module and a screening calibration module, wherein the power acquisition module acquires a power signal output by a power loop by using a power sampler J1 with the model of YK-3D3, the screening calibration module detects the amplitude of the output signal of the power acquisition module by using a triode Q1 and a triode Q2, a peak circuit screening peak signal is formed by using an operational amplifier AR2, a diode D2 and a diode D3, then one path of signal is subjected to phase shifting by using a phase shifting circuit formed by the operational amplifier AR3 and a capacitor C3, two paths of signal are subjected to frequency modulation circuit stable signal frequency formed by using an inductor L1, a capacitor C4-a capacitor C6, and finally, the signal is input into a buffer circuit formed by the operational amplifier AR4 and a resistor R16 together, and is sent into a power supply loop monitoring system terminal by a signal transmitter E1 after being buffered;
the screening calibration module comprises a triode Q, an emitting electrode of the triode Q is connected with a resistor R, one end of the resistor R and a collecting electrode of the triode Q, a base electrode of the triode Q is connected with the other end of the resistor R, a base electrode of the triode Q and one end of the resistor R, a collecting electrode of the triode Q is connected with one end of the resistor R, the other end of the resistor R is grounded, the other end of the resistor R is connected with a non-inverting input end of an amplifier AR and a positive electrode of a diode D, a non-inverting input end of the amplifier AR is connected with one end of the resistor R, the other end of the resistor R is grounded, an output end of the amplifier AR is connected with a negative electrode of the diode D, an emitting electrode of the triode Q is connected with a grid electrode of an MOS tube Q, one end of the resistor R is grounded, the other end of the resistor R is connected with the other end of the resistor R, a drain electrode of the MOS tube Q is connected with one end of the resistor R, the other end of the resistor R is connected with a collecting electrode of the triode Q, an emitting electrode of the triode Q, a capacitor R, a capacitor C, a negative electrode of the other end of the resistor R, a negative electrode of the R is connected with an output end of the amplifier, a negative electrode of the amplifier, an emitter of the resistor R, an emitter of the amplifier, an emitter of the resistor R is connected with an emitter.
Due to the adoption of the technical scheme, compared with the prior art, the invention has the following advantages;
1. the triode Q1 is used as a PNP triode to detect low-level signals in signals, the low-level signals are guided to be discharged to the ground end through a resistor R6, similarly, the triode Q2 is an NPN triode, the high-level signals are conducted and divided by a resistor R8, the MOS tube Q4 is used for further detecting the high level of the signals output by the power acquisition module, the amplitude of the signals is further limited, signal distortion is prevented, the effect of adjusting the amplitude of the signals is achieved, the amplitude of the signals is stabilized for the next step of adjusting, then a peak circuit is formed by an operational amplifier AR2, a diode D2 and a diode D3 to screen peak signals, the peak signals in the signals are used for triggering a signal transmitter E1 to work, and the;
2. the phase shift circuit composed of the operational amplifier AR3 and the capacitor C3 is used for shifting the phase of a signal, the signal frequency is reduced through the time delay effect of the resistor R10 and the capacitor C3, namely, the phase shift of the signal output by the operational amplifier AR3 is realized, the phase angle of the phase shift is adjusted through adjusting the resistance value of the resistor R10, two paths of signals use the inductor L, the capacitor C4 and the capacitor C6 to form a frequency modulation circuit to stabilize the signal frequency, the inductor L is used for filtering out the high-frequency component of the signal, the capacitor C5 and the capacitor C6 are used for filtering out the low-frequency component of the signal, the capacitor C4 is a decoupling capacitor, so that the function of stabilizing the signal frequency is realized, then, the two paths of signals are combined to realize the function of eliminating an abnormal signal under the phase shift effect, the triode Q3 and the MOS tube Q4 are used for further detecting the spike signal, the spike signal is prevented from distorting the normal signal under the effect of the frequency modulation circuit, the power supply loop monitoring system terminal, the misjudgment of the power supply loop is further caused, the signal is.
Drawings
Fig. 1 is a schematic diagram of a power circuit monitoring system according to the present invention.
Fig. 2 is a schematic diagram of a screening calibration module of a power circuit monitoring system according to the present invention.
Detailed Description
The foregoing and other aspects, features and advantages of the invention will be apparent from the following more particular description of embodiments of the invention, as illustrated in the accompanying drawings in which reference is made to figures 1-2. The structural contents mentioned in the following embodiments are all referred to the attached drawings of the specification.
The power supply loop monitoring system comprises a power acquisition module and a screening calibration module, wherein the power acquisition module acquires a power signal output by a power circuit by using a power sampler J1 with the model of YK-3D3, the screening calibration module detects the amplitude of the output signal of the power acquisition module by using a triode Q1 and a triode Q2, a peak circuit screening peak signal is formed by using an operational amplifier AR2, a diode D2 and a diode D3, then a phase shift circuit formed by the operational amplifier AR3 and a capacitor C3 is used for shifting the phase of one signal, a frequency modulation circuit formed by two paths of signals by using an inductor L1, a capacitor C4-a capacitor C6 is used for stabilizing the frequency of the signal, and finally the two paths of signals are input into a buffer circuit formed by the operational amplifier AR4 and a resistor R16 together, and are sent into a power supply loop monitoring system terminal after being buffered by a signal transmitter E1;
the screening calibration module detects the amplitude of a signal output by the power acquisition module by using a triode Q1 and a triode Q2, the triode Q1 is a PNP triode, detects a low-level signal in the signal, a low-level signal is conducted to be discharged to the ground end through a resistor R6, similarly, the triode Q2 is an NPN triode, a high-level signal is conducted to be divided by a resistor R8, a MOS tube Q4 is used for further detecting the high level of the signal output by the power acquisition module, further amplitude limiting is performed on the signal amplitude, signal distortion is prevented, the effect of adjusting the signal amplitude is realized, the signal amplitude is stabilized in the next step, then a peak circuit screening peak signal is formed by using an operational amplifier AR2, a diode D2 and a diode D3, a signal emitter E1 is triggered to work by a peak signal in the signal, reference analysis of a control terminal is facilitated, because the screened peak signal cannot be directly judged whether the power is abnormal, therefore, the signal needs to be further detected and adjusted, then a signal is filtered by using a phase shifting circuit formed by an operational amplifier AR3 and a capacitor C3, the circuit which is used for reducing the frequency of the signal, and further detecting and adjusting the signal frequency of a power supply is further filtered by a high-frequency buffer circuit, a power supply circuit 3, the high-C3, the high-frequency of a power supply circuit is further filtered 3, the high-frequency buffer circuit, the high-frequency signal is further filtered 3, the high-frequency of the power supply system is further monitor 3, the high-frequency of the power supply circuit is prevented from the power supply system from the power supply circuit from the high-frequency of the power supply from the power supply system from the high-frequency of the power supply system from the high-frequency of the power;
the screening calibration module is specifically structured, an emitting electrode of a triode Q is connected with a resistor R, one end of the resistor R and a collecting electrode of the triode Q, a base electrode of the triode Q is connected with the other end of the resistor R, a base electrode of the triode Q and one end of the resistor R, a collecting electrode of the triode Q is connected with one end of the resistor R, the other end of the resistor R is grounded, the other end of the resistor R is connected with a non-inverting input end of an amplifier AR and an anode of a diode D, an inverting input end of the amplifier AR is connected with one end of the resistor R, the other end of the resistor R is grounded, an output end of the amplifier AR is connected with a cathode of the diode D, an anode of the diode D, an emitting electrode of the triode Q is connected with a grid electrode of an MOS tube Q, one end of the resistor R, the other end of the resistor R is grounded, a source electrode of the MOS tube Q is connected with the other end of the resistor R, a drain electrode of the MOS tube Q is connected with one end of the resistor R, the other end of the resistor R, the collecting electrode of the resistor R, an emitting electrode of the triode Q, an emitter R, a capacitor C, a capacitor R, a collector R, a capacitor C, a collector R, a collector of the other end of the resistor R, a collector of the resistor R, a collector of the emitter of the resistor R, a resistor R, an emitter of the transistor Q, an emitter of.
In the second embodiment, on the basis of the first embodiment, the power acquisition module selects a power sampler J1 with a model number of YK-3D3 to acquire a power signal output by a power loop, a noise reduction circuit composed of an operational amplifier AR1, a capacitor C1 and a capacitor C2 is used to reduce signal noise, the capacitor C1 is a decoupling capacitor to reduce the noise ratio of a signal source, the capacitor C2 is a filter capacitor, the operational amplifier AR1 plays a power amplification role, a power supply terminal of the power sampler J1 is connected to +5V, the ground terminal of the power sampler J1 is grounded, the output terminal of the power sampler J1 is connected to the negative terminal of a voltage regulator D1 and one terminal of a resistor R1 and a capacitor C1, the other terminal of the resistor R1 is connected to one terminal of a capacitor C2 and the non-inverting input terminal of the operational amplifier AR1, the other terminal of the capacitor C2 is grounded, the output terminal of an operational amplifier 1 is connected to the other terminal of the capacitor C1, one terminal of the emitter of the resistor R3 and the other terminal of the inverting input terminal of the, the other end of the resistor R2 is connected to ground.
When the present invention is used specifically, a power supply loop monitoring system includes a power acquisition module and a screening calibration module, the power acquisition module acquires a power signal output by a power supply loop by using a power sampler J1 of type YK-3D3, the screening calibration module detects an amplitude of a signal output by the power acquisition module by using a transistor Q1 and a transistor Q2, a transistor Q1 is a PNP transistor, detects a low-level signal in a signal, a low-level signal is led to be discharged to the ground through a resistor R6, similarly, the transistor Q2 is an NPN transistor, a high-level signal is led through a resistor R2, and the MOS transistor Q2 is used to further detect a high-level signal output by the power acquisition module, further limit the amplitude of the signal, prevent signal distortion, thereby achieving an effect of adjusting the amplitude of the signal, for next step of adjusting the stable signal amplitude, then the peak value screening signal by using an operational amplifier AR2, a diode D2, a peak value circuit screening signal is used to trigger a signal emitter E2 to work, which is convenient for controlling a terminal reference analysis, the peak value of a filtered signal, the filtered signal is directly determined by using a peak value of a power supply loop, and a high-frequency.
While the invention has been described in further detail with reference to specific embodiments thereof, it is not intended that the invention be limited to the specific embodiments thereof; for those skilled in the art to which the present invention pertains and related technologies, the extension, operation method and data replacement should fall within the protection scope of the present invention based on the technical solution of the present invention.
Claims (2)
1. A power supply loop monitoring system comprises a power acquisition module and a screening calibration module, and is characterized in that the power acquisition module acquires a power signal output by a power circuit by using a power sampler J1 with the model of YK-3D3, the screening calibration module detects the amplitude of the output signal of the power acquisition module by using a triode Q1 and a triode Q2, a peak circuit screening peak signal is formed by using an operational amplifier AR2, a diode D2 and a diode D3, then, one path of signal is subjected to phase shifting by using a phase shifting circuit formed by the operational amplifier AR3 and a capacitor C3, two paths of signal are subjected to frequency modulation circuit stable signal frequency formed by using an inductor L1, a capacitor C4-a capacitor C6, and finally, the two paths of signal are input into a buffer circuit formed by the operational amplifier AR4 and a resistor R16 together, and are sent into a power supply loop monitoring system terminal after being buffered by a signal transmitter E1;
the screening calibration module comprises a triode Q, an emitting electrode of the triode Q is connected with a resistor R, one end of the resistor R and a collecting electrode of the triode Q, a base electrode of the triode Q is connected with the other end of the resistor R, a base electrode of the triode Q and one end of the resistor R, a collecting electrode of the triode Q is connected with one end of the resistor R, the other end of the resistor R is grounded, the other end of the resistor R is connected with a non-inverting input end of an amplifier AR and a positive electrode of a diode D, a non-inverting input end of the amplifier AR is connected with one end of the resistor R, the other end of the resistor R is grounded, an output end of the amplifier AR is connected with a negative electrode of the diode D, an emitting electrode of the triode Q is connected with a grid electrode of an MOS tube Q, one end of the resistor R is grounded, the other end of the resistor R is connected with the other end of the resistor R, a drain electrode of the MOS tube Q is connected with one end of the resistor R, the other end of the resistor R is connected with a collecting electrode of the triode Q, an emitting electrode of the triode Q, a capacitor R, a capacitor C, a negative electrode of the other end of the resistor R, a negative electrode of the R is connected with an output end of the amplifier, a negative electrode of the amplifier, an emitter of the resistor R, an emitter of the amplifier, an emitter of the resistor R is connected with an emitter.
2. The power supply loop monitoring system as claimed in claim 1, wherein the power collection module includes a power sampler J1 of type YK-3D3, a power supply terminal of the power sampler J1 is connected to +5V, a ground terminal of the power sampler J1 is connected to ground, an output terminal of the power sampler J1 is connected to a negative electrode of a voltage regulator tube D1 and one end of a resistor R1 and a capacitor C1, another terminal of the resistor R1 is connected to one end of a capacitor C2 and a non-inverting input terminal of an operational amplifier AR1, another terminal of the capacitor C2 is connected to ground, an output terminal of the operational amplifier AR1 is connected to another terminal of a capacitor C1, one terminal of a resistor R3 and an emitter of a triode Q1, an inverting input terminal of the operational amplifier AR1 is connected to another terminal of a resistor R3 and one terminal of a resistor R2, and another terminal of.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010333399.0A CN111506481A (en) | 2020-04-24 | 2020-04-24 | Power supply loop monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010333399.0A CN111506481A (en) | 2020-04-24 | 2020-04-24 | Power supply loop monitoring system |
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| Publication Number | Publication Date |
|---|---|
| CN111506481A true CN111506481A (en) | 2020-08-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010333399.0A Withdrawn CN111506481A (en) | 2020-04-24 | 2020-04-24 | Power supply loop monitoring system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114710142A (en) * | 2022-03-29 | 2022-07-05 | 浙江宇跃智能科技有限公司 | High-frequency signal peak value detection circuit |
-
2020
- 2020-04-24 CN CN202010333399.0A patent/CN111506481A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114710142A (en) * | 2022-03-29 | 2022-07-05 | 浙江宇跃智能科技有限公司 | High-frequency signal peak value detection circuit |
| CN114710142B (en) * | 2022-03-29 | 2024-04-12 | 杭州恒汇智能装备有限公司 | High-frequency signal peak value detection circuit |
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Application publication date: 20200807 |