CN215833495U - Power consumption detection device for computer - Google Patents
Power consumption detection device for computer Download PDFInfo
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- CN215833495U CN215833495U CN202121987305.8U CN202121987305U CN215833495U CN 215833495 U CN215833495 U CN 215833495U CN 202121987305 U CN202121987305 U CN 202121987305U CN 215833495 U CN215833495 U CN 215833495U
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Abstract
The utility model relates to a computer power consumption detection device, wherein a power consumption calculation circuit adopts a multiplier to perform product operation on a voltage signal and a current signal when a computer runs to obtain an actually measured power consumption signal output, an abnormal value judgment circuit adopts a multiplier to perform product operation on the load rate and the full load power of the computer to obtain a reference power consumption signal, the reference power consumption signal and the actually measured power consumption signal calculate a deviation signal through a subtracter, the deviation signal is converted into a positive deviation signal through an absolute value calculation circuit to drive a triode Q1 and a relay K1 to act or not to act, an abnormal value elimination circuit filters, samples and keeps and outputs the actually measured power consumption signal when the amplitude of the positive deviation signal is small, the triode Q1 and the relay K1 do not act, an upper period sampling and keeping output signal replaces the actually measured power consumption signal to output when the amplitude of the positive deviation signal is large, the triode Q1 and the relay K1 act, so as to realize the elimination of the abnormal value of the actually measured power consumption signal, the accuracy of the power consumption data can be effectively improved.
Description
Technical Field
The utility model relates to the technical field of power consumption detection, in particular to a power consumption detection device of a computer.
Background
At present, the detection of computer power consumption usually adopts power consumption detection software (such as HWINFO) or sensors to detect voltage and current of computer operation, and then the product is calculated to obtain power consumption, the former user can only roughly know the power consumption level of computer, and when the latter sensors detect voltage and current of computer operation, the influence of electromagnetic interference, load suddenly aggravated or relieved forward or reverse spike, thermal noise, external interference signal coupling and the like during computer operation can make the obtained power consumption data not accurate enough.
Disclosure of Invention
In view of the above situation, an object of the present invention is to provide a computer power consumption detection apparatus, which effectively solves the problem of inaccurate power consumption data.
The technical scheme includes that the abnormal value eliminating circuit comprises a power consumption calculating circuit, an abnormal value judging circuit and an abnormal value eliminating circuit, the power consumption calculating circuit adopts a multiplier to perform product operation on a voltage signal and a current signal when a computer runs to obtain an actually-measured power consumption signal, the actually-measured power consumption signal respectively enters the abnormal value judging circuit and the abnormal value eliminating circuit, the abnormal value judging circuit adopts the multiplier to perform product operation on the load rate and the full load power of the computer to obtain a reference power consumption signal, the reference power consumption signal and the actually-measured power consumption signal calculate a deviation signal through a subtracter, the deviation signal is converted into a positive deviation signal through the absolute value calculating circuit to drive a triode Q1 and a relay K1 to act or not to act, the abnormal value eliminating circuit outputs the actually-measured power consumption signal after filtering and sampling holding when the amplitude of the positive deviation signal is small, the triode Q1 and the relay K1 do not act, and outputs the actually-measured power consumption signal after the amplitude of the positive deviation signal is large, and the amplitude of the abnormal value eliminating circuit outputs the positive deviation signal, When the triode Q1 and the relay K1 act, the up-period sampling holding output signal replaces the actually measured power consumption signal to be output.
The utility model has simple structure, adopts a multiplier to calculate the product of the load rate and the full load power of a computer to obtain a reference power consumption signal, the reference power consumption signal and an actual measurement power consumption signal calculate a deviation signal through a subtracter, the deviation signal is converted into a positive deviation signal through an absolute value calculating circuit to drive a triode Q1 and a relay K1 to act or not to act, the actual measurement power consumption signal is output after amplitude limiting, filtering and sampling holding when the amplitude of the positive deviation signal is small and the triode Q1 and the relay K1 do not act, and the upper period sampling holding output signal replaces the actual measurement power consumption signal to output when the amplitude of the positive deviation signal is large and the triode Q1 and the relay K1 act, namely, the abnormal value of the actual measurement power consumption signal is eliminated, and the accuracy of power consumption data can be effectively improved.
Drawings
Fig. 1 is a schematic circuit diagram of the present invention.
Detailed Description
The foregoing and other technical and scientific aspects, features and utilities of the present invention will be apparent from the following detailed description of the embodiments, which is to be read in connection with the accompanying drawings of fig. 1. The structural contents mentioned in the following embodiments are all referred to the attached drawings of the specification.
Exemplary embodiments of the present invention will be described below with reference to the accompanying drawings.
A computer power consumption detection device comprises a power consumption calculation circuit, an abnormal value judgment circuit and an abnormal value elimination circuit, wherein the power consumption calculation circuit adopts a multiplier to perform multiplication operation on a voltage signal and a current signal when a computer operates to obtain an actual measurement power consumption signal which respectively enters the abnormal value judgment circuit and the abnormal value elimination circuit, the abnormal value judgment circuit adopts the multiplier to perform multiplication operation on the load rate and the full load power of the computer to obtain a reference power consumption signal, the reference power consumption signal and the actual measurement power consumption signal calculate a deviation signal through a subtracter, the deviation signal is converted into a positive deviation signal through the absolute value calculation circuit, when the deviation is small (less than 0.7V), a triode Q1 and a relay K1 do not act, when the deviation is more than 0.7V, the triode Q1 is driven to be conducted, a coil of the relay K1 is electrified, a normally open contact K1-2 is closed, a normally closed contact K1-1 is opened, and the abnormal value elimination circuit has small amplitude of the positive deviation signal, that is, when the triode Q1 and the relay K1 do not act, the actually measured power consumption signal is filtered by the inductor L1 and the capacitor C1, the normally closed contact K1-1, the sampling switch KK and the capacitor C2 are sampled and held and then output, when the amplitude of the positive deviation signal is large, that is, the triode Q1 and the relay K1 act, the normally closed contact K1-1 is disconnected, the actually measured power consumption signal cannot be transmitted backwards, the upper period sampling and holding output signal is sampled and held by the closed normally open contact K1-2 and the capacitor C2 and then output, the elimination when the power consumption signal is abnormal is realized, the upper period sampling and holding output signal is adopted to replace the actually measured power consumption signal to output, and the accuracy of the power consumption data is improved.
Based on the above scheme, the power consumption calculating circuit adopts multiplier IC2 to multiply the voltage signal and the current signal (which can be detected by a voltage sensor and a current sensor respectively, and is not detailed herein in the prior art) during the operation of the computer to obtain the actually measured power consumption signal, and then outputs the actually measured power consumption signal after being limited by diodes D4 and D5, so as to avoid the electromagnetic interference and the forward or reverse spike pulse with suddenly increased or reduced load during the operation of the computer from being transmitted to the later stage, the power consumption calculating circuit comprises multiplier IC2, pin 6 of multiplier IC2 is connected with the computer operation voltage signal detected by the sensor, pin 1 of multiplier IC2 is connected with the computer operation current signal detected by the sensor, pin 2 of multiplier IC2 is connected with +15V, pin 5 of multiplier IC2 is connected with-15V, pin 7, pin 8, pin 9 of multiplier IC2, Pin 10 is connected to ground, pin 4 of multiplier IC2 is connected to one end of resistor R1 and the upper end of potentiometer RP2, the adjustable end of potentiometer RP2 is connected to pin 3 of multiplier IC2, the lower end of potentiometer RP2 is connected to ground, the other end of resistor R1, the anode of diode D4 and the cathode of diode D5 are output signals of a power consumption calculation circuit, the anode of diode D5 is connected to ground, and the cathode of diode D5 is connected to + 5V.
On the basis of the scheme, the abnormal value judgment circuit adopts multiplier IC1 to perform operation on the product of computer load rate (which can be given by memory usage rate measured by 360 software) and full load power to obtain a reference power consumption signal, the reference power consumption signal and the measured power consumption signal are converted into a deviation signal through a subtracter consisting of an operational amplifier AR1 and a resistor R4-resistor R6, the deviation signal is converted into a positive deviation signal through an absolute value calculation circuit consisting of diodes D2 and D3, an operational amplifier AR2 and a resistor R7-resistor R10, when the deviation is small (less than 0.7V), a triode Q1 and a relay K1 do not act, when the deviation is more than 0.7V, the triode Q1 is driven to be conducted, a coil of the relay K1 is electrified, a normally open contact K1-2 is closed, a normally closed contact K1-1 is opened, the abnormal value judgment circuit comprises a multiplier IC1, a pin 6 of a multiplier IC1 is connected with the detected computer load rate, and a pin 1 of the IC1 is connected with the full load power of a computer, pin 2 of multiplier IC1 is connected to +15V, pin 5 of multiplier IC1 is connected to-15V, pin 7, pin 8, pin 9 and pin 10 of multiplier IC1 are connected to ground, pin 4 of multiplier IC1 is connected to one end of resistor R2 and the upper end of potentiometer RP1, the adjustable end of potentiometer RP1 is connected to pin 3 of multiplier IC1, the lower end of potentiometer RP1 is connected to ground, the other end of resistor R2 is connected to the non-inverting input end of operational amplifier AR1 and one end of resistor R6, the inverting input end of operational amplifier AR1 is connected to one end of ground resistor R5 and one end of resistor R4, the other end of resistor R4 is connected to the output signal of power consumption calculating circuit, the output end of operational amplifier AR1 is connected to the other end of resistor R6, the negative electrode of diode D2 and the positive electrode of diode D3, the positive electrode of diode D2 is connected to one end of ground resistor R9 and the inverting input end of operational amplifier AR2 through resistor R7, the negative electrode of the diode D3 is respectively connected with one end of a grounding resistor R10 and the non-inverting input end of an operational amplifier AR2 through a resistor R8, the output end of the operational amplifier AR2 is connected with one end of a resistor R11, the other end of the resistor R11 is connected with the base electrode of a triode Q1, the emitter electrode of the triode Q1 is connected with the ground, the collector electrode of a triode Q1 is respectively connected with the positive electrode of the diode D1 and one end of a coil of a relay K1, and the negative electrode of the diode D1 and the other end of the coil of the relay K1 are connected with a power supply of-5V.
On the basis of the scheme, when the amplitude of a positive deviation signal is small, namely a triode Q1 and a relay K1 do not act, an abnormal value eliminating circuit outputs an actually measured power consumption signal after being filtered by an inductor L1 and a capacitor C1, a normally closed contact K1-1, a sampling switch KK and a capacitor C2 are sampled and held, when the amplitude of the positive deviation signal is large, namely the triode Q1 and the relay K1 act, the normally closed contact K1-1 is disconnected, the actually measured power consumption signal cannot be transmitted backwards, an upper period sampling holding output signal is output after being sampled and held by a closed normally open contact K1-2 and a capacitor C2, the elimination is realized when a power consumption measuring signal is abnormal, the output of the actually measured power consumption signal is replaced by the upper period sampling holding output signal, the accuracy of power consumption data is improved, the abnormal value eliminating circuit comprises an inductor L1, one end of the inductor L1 is connected with the output signal of a power consumption calculating circuit, and the other end of the inductor L1 is respectively connected with one end of a ground capacitor C1, The power consumption signal rejection circuit comprises one end of a normally closed contact K1-1 of a relay K1, the other end of a normally closed contact K1-1 of a relay K1 is connected with the left end of a sampling switch KK, the right end of the sampling switch KK is respectively connected with one end of a grounding capacitor C2, one end of a normally open contact K1-2 of a relay K1 and one end of a resistor R12, the other end of a normally closed contact K1-1 of the relay K1 is respectively connected with one end of a grounding capacitor C3 and the same-phase input end of an operational amplifier AR3, the reverse phase input end and the output end of the operational amplifier AR3 are connected with one end of a resistor R13, and the other end of the resistor R12 and the other end of the resistor R13 are power consumption signals output by the abnormal value rejection circuit.
When the utility model is used, the power consumption calculating circuit adopts multiplier IC2 to calculate the product of voltage signal and current signal when the computer runs to obtain the actual measurement power consumption signal, then the actual measurement power consumption signal is output to the abnormal value judging circuit after the amplitude limiting of diodes D4 and D5, the electromagnetic interference and the forward or reverse peak pulse with suddenly increased or reduced load when the computer runs are avoided to be transmitted to the rear stage, the abnormal value judging circuit adopts multiplier IC1 to calculate the product of the load rate and full load power of the computer to obtain the reference power consumption signal, the reference power consumption signal and the actual measurement power consumption signal calculate the deviation signal by the subtracter, the deviation signal is converted into the positive deviation signal by the absolute value calculating circuit, when the deviation is small, the triode Q1 and the relay K1 do not act, when the voltage is more than 0.7V, the triode Q1 is driven to be conducted, the coil of the relay K1 is electrified, the normally open contact K1-2 is closed, the normally closed contact K1-1 is disconnected, when the relay K1 does not act, an abnormal value eliminating circuit filters an actually measured power consumption signal through the inductor L1 and the capacitor C1, outputs the signal after the normally closed contact K1-1, the sampling switch KK and the capacitor C2 are sampled and held, when the relay K1 acts, the normally closed contact K1-1 is disconnected, the actually measured power consumption signal cannot be transmitted backwards, an upper period sampling holding output signal is output after the signal is sampled and held through the closed normally open contact K1-2 and the capacitor C2, eliminating when a power consumption measuring signal is abnormal is achieved, the upper period sampling holding output signal is adopted to replace the actually measured power consumption signal to output, and accuracy of power consumption data is improved.
Claims (4)
1. The computer power consumption detection device comprises a power consumption calculation circuit, an abnormal value judgment circuit and an abnormal value elimination circuit, and is characterized in that the power consumption calculation circuit adopts a multiplier to perform product operation on a voltage signal and a current signal when a computer runs to obtain an actual measurement power consumption signal which respectively enters the abnormal value judgment circuit and the abnormal value elimination circuit, the abnormal value judgment circuit adopts the multiplier to perform product operation on the load rate and the full load power of the computer to obtain a reference power consumption signal, the reference power consumption signal and the actual measurement power consumption signal calculate a deviation signal through a subtracter, the deviation signal is converted into a positive deviation signal through the absolute value calculation circuit to drive a triode Q1 and a relay K1 to act or not act, the abnormal value elimination circuit outputs the actual measurement power consumption signal after filtering, sampling and holding when the amplitude of the positive deviation signal is small and the triode Q1 and the relay K1 do not act, when the amplitude of the positive deviation signal is large and the triode Q1 and the relay K1 act, the up-period sampling holding output signal replaces the actually measured power consumption signal to be output.
2. The apparatus of claim 1, wherein the power consumption calculating circuit comprises a multiplier IC2, pin 6 of the multiplier IC2 is connected to the computer running voltage signal detected by the sensor, pin 1 of the multiplier IC2 is connected to the computer running current signal detected by the sensor, pin 2 of the multiplier IC2 is connected to +15V, pin 5 of the multiplier IC2 is connected to-15V, pin 7, pin 8, pin 9 and pin 10 of the multiplier IC2 are connected to ground, pin 4 of the multiplier IC2 is connected to one end of a resistor R1 and the upper end of a potentiometer RP2, the adjustable end of a potentiometer RP2 is connected to pin 3 of the multiplier IC2, the lower end of the potentiometer RP2 is connected to ground, the other end of the resistor R1 is connected to the anode of a diode D4, the cathode of the diode D5 is the output signal of the power consumption calculating circuit, the anode of the diode D5 is connected to ground, the cathode of the diode D5 is connected to + 5V.
3. The apparatus of claim 1, wherein the abnormal value determining circuit comprises a multiplier IC1, pin 6 of the multiplier IC1 is connected to the detected computer load factor, pin 1 of the multiplier IC1 is connected to the full load power of the computer, pin 2 of the multiplier IC1 is connected to +15V, pin 5 of the multiplier IC1 is connected to-15V, pin 7, pin 8, pin 9 and pin 10 of the multiplier IC1 are connected to ground, pin 4 of the multiplier IC1 is connected to one end of a resistor R2 and the upper end of a potentiometer RP1, the adjustable end of a potentiometer RP1 is connected to pin 3 of the multiplier IC1, the lower end of the potentiometer RP1 is connected to ground, the other end of the resistor R2 is connected to the non-inverting input terminal of the operational amplifier AR1 and one end of a resistor R6, the inverting input of the operational amplifier AR1 is connected to one end of a ground resistor R5 and one end of the resistor R4, and the other end of the resistor R4 is connected to the output signal of the power consumption calculating circuit, the output end of the operational amplifier AR1 is connected with the other end of the resistor R6, the cathode of the diode D2 and the anode of the diode D3 respectively, the anode of the diode D2 is connected with one end of the grounding resistor R9 and the inverting input end of the operational amplifier AR2 respectively through the resistor R7, the cathode of the diode D3 is connected with one end of the grounding resistor R10 and the non-inverting input end of the operational amplifier AR2 respectively through the resistor R8, the output end of the operational amplifier AR2 is connected with one end of the resistor R11, the other end of the resistor R11 is connected with the base of the triode Q1, the emitter of the triode Q1 is connected with the ground, the collector of the triode Q1 is connected with the anode of the diode D1 and one end of the coil of the relay K1 respectively, and the cathode of the diode D1 and the other end of the coil of the relay K1 are connected with the power supply of-5V.
4. The computer power consumption detecting apparatus according to claim 1, wherein the abnormal value eliminating circuit includes an inductor L1, one end of the inductor L1 is connected to the output signal of the power consumption calculating circuit, the other end of the inductor L1 is connected to one end of a ground capacitor C1 and one end of a normally closed contact K1-1 of a relay K1, respectively, the other end of the normally closed contact K1-1 of the relay K1 is connected to the left end of a sampling switch KK, the right end of the sampling switch KK is connected to one end of a ground capacitor C2 and one end of a normally open contact K1-2 of a relay K1, respectively, one end of the resistor R12 and the other end of the normally closed contact K1-1 of the relay K1 are respectively connected with one end of the grounding capacitor C3 and the non-inverting input end of the operational amplifier AR3, the inverting input end and the output end of the operational amplifier AR3 are connected with one end of the resistor R13, and the other end of the resistor R12 and the other end of the resistor R13 are power consumption signals output by the abnormal value eliminating circuit.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121987305.8U CN215833495U (en) | 2021-08-23 | 2021-08-23 | Power consumption detection device for computer |
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| CN202121987305.8U CN215833495U (en) | 2021-08-23 | 2021-08-23 | Power consumption detection device for computer |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115561514A (en) * | 2022-09-28 | 2023-01-03 | 河北东方学院 | Internet of things node power consumption monitoring circuit |
| CN116027103A (en) * | 2023-03-29 | 2023-04-28 | 荣耀终端有限公司 | Power consumption detection circuit, power consumption detection chip and terminal equipment |
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2021
- 2021-08-23 CN CN202121987305.8U patent/CN215833495U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115561514A (en) * | 2022-09-28 | 2023-01-03 | 河北东方学院 | Internet of things node power consumption monitoring circuit |
| CN115561514B (en) * | 2022-09-28 | 2023-06-27 | 河北东方学院 | Internet of things node power consumption monitoring circuit |
| CN116027103A (en) * | 2023-03-29 | 2023-04-28 | 荣耀终端有限公司 | Power consumption detection circuit, power consumption detection chip and terminal equipment |
| CN116027103B (en) * | 2023-03-29 | 2023-09-15 | 荣耀终端有限公司 | Power consumption detection circuit, power consumption detection chip and terminal equipment |
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