CN101930025A - Power dissipation testing device - Google Patents
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- CN101930025A CN101930025A CN2009101081039A CN200910108103A CN101930025A CN 101930025 A CN101930025 A CN 101930025A CN 2009101081039 A CN2009101081039 A CN 2009101081039A CN 200910108103 A CN200910108103 A CN 200910108103A CN 101930025 A CN101930025 A CN 101930025A
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Abstract
The invention provides a power dissipation testing device, belonging to the field of electronic device power dissipation testing. The device comprises a sampling circuit, a filter circuit, an amplifying circuit and a single chip microcomputer. A first input terminal of the single chip microcomputer is connected to an output terminal of the amplifying circuit, after analog-to-digital conversion and programming computing are carried out on the output of the amplifying circuit, the first input terminal of the single chip microcomputer outputs the power dissipation value of a device to be tested. In the invention, the testing device carries out sampling on output of power supply through the sampling circuit, carries out filtering and amplification on sampled signals, then carries out analog-to-digital conversion and programming computing by the single chip microcomputer and then outputs the power dissipation value of the power supply, thus replacing the current manual testing, reducing error, improving precision and saving cost. In addition, as a gate circuit is used to carry out gating output on different power supply combinations, all board card power access modes can be satisfied.
Description
Technical field
The invention belongs to electronic equipment power consumption test field, relate in particular to a kind of power consumption test device.
Background technology
More and more higher to the electronic product requirements of saving energy at present, generally all there are strict power consumption measurement method and regulation in each production firm, and many products have been indicated the power consumption of product in remarkable position.Yet, for computing machine, the power consumption of a computing machine integral body is easy to measure, if the power consumption of whole computing machine is reduced, must know the power consumption of each equipment in the computing machine, mainboard is an indispensable ingredient in the computing machine, is necessary the power consumption of mainboard is tested separately; Therefore, electronics manufacturers needs a kind of basic testing apparatus to come the power consumption of metering computer mainboard or other integrated circuit boards in product development process, thereby helps the developer to improve design.
Existing power consumption test plate is according to resistance series connection voltage divider principle, resistance unit is connected on each supply voltage circuit of integrated circuit board, measure the voltage at each resistance two ends on each supply voltage circuit then respectively by artificial working voltage table, adopt the artificial integrated circuit board supply voltage power consumed of calculating, obtain the integrated circuit board total power consumption after the addition.
This mode needs the artificial voltage that uses multimeter to measure each resistance on each supply voltage circuit of integrated circuit board, since to the accuracy requirement of this voltage than higher (millivolt level), therefore to the accuracy requirement of multimeter than higher, and high-precision multimeter costs an arm and a leg, and therefore causes the testing cost height; Simultaneously owing to manually participate in measuring the error that causes human error and integrated circuit board welding to cause easily, make test result and out of true; In addition, also need to write down and calculate the power consumption of each measuring voltage of integrated circuit board and the total power consumption of integrated circuit board, inconvenience, human cost height.Simultaneously, more because of the way to take power kind of computer motherboard, the input of existing power consumption test plate, the array mode of output interface can not satisfy the demand of all integrated circuit board power taking array modes, can not carry out measurement of power loss to some integrated circuit boards.
Summary of the invention
The purpose of the embodiment of the invention is to provide a kind of power consumption test device, and being intended to solve existing power consumption test plate needs manually to participate in causing that error is big, cost is high, the coarse problem of measurement result.
The embodiment of the invention is achieved in that a kind of power consumption test device, and described power consumption test device comprises:
Sample circuit, it is connected between the power input of the out-put supply line of power supply and device to be measured, gathers and export the analog voltage signal of the out-put supply line output of described power supply;
Filtering circuit, its first input end is connected to the output terminal of described sample circuit, exports after the analog voltage signal filtering with described sample circuit output;
Amplifying circuit, its input end is connected to the output terminal of described filtering circuit, and described filtered analog voltage signal is amplified back output; And
Single-chip microcomputer, its first input end is connected to the output terminal of described amplifying circuit, and the output of described amplifying circuit is carried out exporting the power consumption number of device to be measured by first output terminal of described single-chip microcomputer after analog to digital conversion and the programming computing.
Wherein, described sample circuit comprises: be serially connected in the resistance unit between the power input of the out-put supply line of described power supply and device to be measured, described resistance unit comprises a plurality of parallel resistor.
Wherein, described resistance is milliohm level resistance.
Wherein, described power consumption test device also comprises: display circuit, be connected to first output terminal of described single-chip microcomputer, and the power consumption number of the device to be measured of first output terminal output of described single-chip microcomputer is shown.
Wherein, described power consumption test device also comprises: power transfer module, its input end is connected to the out-put supply line of described power supply, the output terminal of described power transfer module is connected to the power end of described single-chip microcomputer and the power end of described amplifying circuit respectively, and the analog voltage signal that the out-put supply line of described power supply is exported is converted to the supply voltage signal and gives described single-chip microcomputer and the power supply of described amplifying circuit.
Wherein, described power supply comprises the multiple-output electric power line, resistance unit of serial connection on the out-put supply line of every road, and each resistance unit comprises a plurality of parallel resistor.
Wherein, described power consumption test device also comprises: gating circuit, its input end is connected to the output terminal of described sample circuit, the output terminal of described gating circuit is connected to the input end of described filtering circuit, the control end of described gating circuit is connected to second output terminal of described single-chip microcomputer, according to the control signal of second output terminal of described single-chip microcomputer output the multiple power supplies of described power supply output is carried out the gating combination.
Wherein, described gating circuit further comprises: the multi channel selecting relay; The input end of wherein every road relay gate is connected with a described resistance unit, and the output terminal of every road relay gate is connected with the input end of described filtering circuit, and the control end of every road relay gate is connected with second output terminal of described single-chip microcomputer; And key circuit; Its output terminal is connected to second input end of described single-chip microcomputer, according to the power supply composite signal of the input end of described key circuit input by second output terminal output control signal of described single-chip microcomputer and control described multi channel selecting relay the multiple power supplies of described power supply output is carried out the gating combination.
Wherein, described multiple-output electric power line comprises: 4PIN cpu power line, 8PIN cpu power line, 20PIN ATX power lead, 24PIN ATX power lead, 4PIN power lead and AT power lead.
Wherein, described power consumption test device also comprises: checking circuit, second input end that it is connected to described filtering circuit is used for systematic error is carried out verification.
The power consumption test device that the embodiment of the invention provides is sampled to the output of power supply by sample circuit, and the signal of sampling is carried out filtering, processing and amplifying after single-chip microcomputer carries out the power consumption number of out-put supply after analog to digital conversion and the programming computing; Thereby replaced existing manual measurement mode, reduced error, improved precision, saved cost; Adopt gating circuit to different power supply combination carrying out gating output simultaneously, can satisfy the way to take power of all integrated circuit boards.
Description of drawings
Fig. 1 is the power consumption test device that provides of the embodiment of the invention and the logical organization synoptic diagram between power supply and the device to be measured;
Fig. 2 is the modular structure figure of the power consumption test device that provides of the embodiment of the invention;
Fig. 3 is the modular structure figure of the power consumption test device that is used for metering computer mainboard power consumption that provides of the embodiment of the invention.
Embodiment
In order to make purpose of the present invention, technical scheme and advantage clearer,, the present invention is further elaborated below in conjunction with drawings and Examples.Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
The power consumption test device that the embodiment of the invention provides is sampled to the output of power supply by sample circuit, and the signal of sampling is carried out filtering, processing and amplifying after single-chip microcomputer carries out the power consumption number of out-put supply after analog to digital conversion and the programming computing; Thereby replaced existing manual type, reduced error, improved precision, saved cost.
Fig. 1 shows power consumption test device 2 that the embodiment of the invention provides and the logical organization between power supply 1 and the device to be measured 3, for convenience of explanation, only shows the part relevant with the embodiment of the invention, and details are as follows.
The input end of power consumption test device 2 is connected to the out-put supply line of power supply 1, and the output terminal of power consumption test device 2 is connected to the power input for the treatment of side device 3; The supply voltage of power supply 1 output is treated 3 power supplies of side device through offering behind the power consumption test device 2; Wherein, device 3 to be measured can be computer motherboard, by power consumption test device 2 can the metering computer mainboard power consumption.
In embodiments of the present invention, the modular structure of power consumption test device 2 for convenience of explanation, only shows the part relevant with the embodiment of the invention as shown in Figure 2, and details are as follows.
Power consumption test device 2 comprises: sample circuit 21, filtering circuit 23, amplifying circuit 24 and single-chip microcomputer 25; Wherein sample circuit 21 is connected between the power input of the out-put supply line of power supply 1 and device to be measured 3, and sample circuit 21 is gathered the also analog voltage signal of the out-put supply line output of output power supply 1; The first input end of filtering circuit 23 is connected to the output terminal of sample circuit 21, exports after the analog voltage signal filtering with sample circuit 21 outputs; The input end of amplifying circuit 24 is connected to the output terminal of filtering circuit 23, and filtered analog voltage signal is amplified back output; The first input end of single-chip microcomputer 25 is connected to the output terminal of amplifying circuit 24, and the output of amplifying circuit 24 is carried out exporting the power consumption number of device 3 to be measured by first output terminal of single-chip microcomputer 25 after analog to digital conversion and the programming computing.
As one embodiment of the present of invention, sample circuit 21 comprises: be serially connected in the resistance unit between the power input of the out-put supply line of power supply 1 and device to be measured 3, this resistance unit comprises a plurality of parallel resistor; Wherein, resistance is milliohm level resistance.
In embodiments of the present invention, power consumption test device 2 also comprises: display circuit 26, be connected to first output terminal of single-chip microcomputer 25, and the power consumption number of the device to be measured 3 of first output terminal output of single-chip microcomputer 25 is shown.As one embodiment of the present of invention, display circuit 26 can be light-emitting diode display, and the power consumption number of the device to be measured 3 of single-chip microcomputer 25 first output terminals output can be by the light-emitting diode display demonstration of 4 (are accurate to radix point after).
In embodiments of the present invention, power consumption test device 2 also comprises: power transfer module 27, its input end is connected to the out-put supply line of power supply 1, the output terminal of power transfer module 27 is connected to the power end of single-chip microcomputer 25 and the power end of amplifying circuit 24 respectively, and the analog voltage signal that the out-put supply line of power supply 1 is exported is converted to the supply voltage signal and gives single-chip microcomputer 25 and amplifying circuit 24 power supplies.
In embodiments of the present invention, power consumption test device 2 also comprises: checking circuit 28, be connected to second input end of filtering circuit 23, checking circuit 28 is used for systematic error is carried out verification, systematic error after the verification inputs to single-chip microcomputer 25 through filtering circuit 23 filtering, amplifying circuit 24 after amplifying respectively, single-chip microcomputer 25 can be taken into account systematic error when the voltage consumption power of integrated circuit board is calculated in the programming computing, thereby has improved measuring accuracy.
In embodiments of the present invention, power supply 1 comprises the multiple-output electric power line, resistance unit of serial connection on the out-put supply line of every road, and each resistance unit comprises a plurality of parallel resistor.Wherein, the multiple-output electric power line comprises: 4PIN cpu power line, 8PIN cpu power line, 20PIN ATX power lead, 24PIN ATX power lead, 4PIN power lead and AT power lead.
In embodiments of the present invention, power consumption test device 2 also comprises: gating circuit 22, its input end is connected to the output terminal of sample circuit 21, the output terminal of gating circuit 22 is connected to the input end of filtering circuit 23, the control end of gating circuit 22 is connected to second output terminal of single-chip microcomputer 25, according to the control signal of second output terminal of single-chip microcomputer 25 output the multiple power supplies of power supply 1 output is carried out the gating combination.
As one embodiment of the present of invention, gating circuit 22 further comprises: multi channel selecting relay 221 and key circuit 222; The input end of wherein every road relay gate is connected with a resistance unit, and the output terminal of every road relay gate is connected with the input end of filtering circuit 23, and the control end of every road relay gate is connected with second output terminal of single-chip microcomputer 25; The output terminal of key circuit 222 is connected to second input end of single-chip microcomputer 25, according to the power supply composite signal of the input end of key circuit 222 input, carry out the gating combination by second output terminal output control signal of single-chip microcomputer 25 and the multiple power supplies of controlling 1 output of 221 pairs of power supplies of multi channel selecting relay.
In order to illustrate further the power consumption test device that the embodiment of the invention provides, Fig. 3 shows the modular structure of the power consumption test device that is used for metering computer mainboard power consumption that the embodiment of the invention provides, for convenience of explanation, only show the part relevant with the embodiment of the invention, details are as follows.
In embodiments of the present invention, the way to take power the most frequently used according to computer motherboard, power consumption test device can provide multiple power interface: such as 4PIN cpu power interface, 8PIN cpu power interface, 20PINATX interface, 24PIN ATX power interface, 4PIN power interface, AT power interface or the like; Therefore also can design multiple power supply array mode: such as 20PIN ATX power supply, AT power supply, 20PIN ATX+4PINCPU power supply or 24PIN ATX interface+8PIN cpu i/f+4PIN cpu i/f; Each power supply array mode all can by on the key circuit in power consumption test device 2 222 respectively correspondence a button is set, can realize accurate detecting by different buttons according to the actual way to take power of computer motherboard.
Be connected in series a resistance unit between the power input of each road power lead of power supply 1 output and device 3 to be measured, each resistance unit comprises a plurality of parallel resistor.For example: the resistance unit that the resistance that to be connected in series one between the 4PIN CPU board card power lead of the 4PIN cpu power interface of power supply 1 output and device 3 to be measured be the milliohm level by four resistances composes in parallel; The resistance unit that the resistance that to be connected in series one between the 8PIN CPU board card power lead of the 8PIN cpu power interface of power supply 1 output and device 3 to be measured be the milliohm level by four resistances composes in parallel; The resistance unit that the resistance that to be connected in series one between the 24PIN ATX integrated circuit board power lead (compatible 20PIN ATX integrated circuit board power lead) of the 24PIN ATX power interface (compatible 20PIN ATX power interface) of power supply 1 output and device 3 to be measured be the milliohm level by two resistances composes in parallel; The resistance unit that the resistance that to be connected in series one between the AT integrated circuit board power lead of the AT power interface of power supply 1 output and device 3 to be measured be the milliohm level by three resistances composes in parallel; The resistance unit that the resistance that to be connected in series one between the 4PIN integrated circuit board power lead of the 4PIN power interface of power supply 1 output and device 3 to be measured be the milliohm level by three resistances composes in parallel.
In embodiments of the present invention, according to resistance series connection voltage divider principle, use the minimum resistance unit of resistance to be connected on each supply voltage (3.3V, 5V or 12V) circuit of computer motherboard, resistance unit carries out dividing potential drop (generally being the millivolt level), because resistance unit is the resistance parallel connection by a plurality of milliohm levels, so resistance unit can be ignored to the influence of computer motherboard supply voltage.As one embodiment of the present of invention, power consumption test device 2 mainly at each power interface+3.3V ,+5V and+12V voltage measures, therefore each power interface+3.3V ,+5V and+place resistance unit on the 12V circuit, other signals of power interface are point-to-point connection; This moment, resistance unit both end voltage pressure reduction was the millivolt level, during measurement the voltage of each end of resistance unit two ends was drawn.
In embodiments of the present invention, the voltage signal at resistance unit two ends carries out outputing to filtering circuit 23 behind the gating through multi channel selecting relay 221.Wherein, multi channel selecting relay 221 comprises: 4PIN CPU+12V relay gate, 8PIN CPU+12V relay gate, 24PIN ATX power supply, AT power supply, 4PIN power supply+5V relay gate, 24PIN ATX power supply, AT power supply, 4PIN power supply+12V relay gate, 24PIN ATX power supply+3.3V relay gate.As one embodiment of the present of invention, can select different power supply combinations by key circuit 222 according to actual needs, export to filtering circuit 23 by different relay gate gatings, can satisfy the way to take power of all integrated circuit boards like this.
In embodiments of the present invention, after the analog voltage signal of 23 pairs of multi channel selecting relay 221 gatings outputs of filtering circuit carries out Filtering Processing, filtered analog voltage signal is amplified back output by amplifying circuit 24.As one embodiment of the present of invention, amplifying circuit 24 can adopt the OPP777 differential operational amplifier, filtered analog voltage signal can be amplified 50 times by this OPP777 differential operational amplifier, the voltage signal that is about to the millivolt level is amplified between the 0-2.5V.
In embodiments of the present invention, the OPP777 differential operational amplifier is unidirectional power supply.Owing to be connected+voltage at the two ends of the resistance unit of 12V power interface is in the 12V scope, if OPP777 differential operational amplifier employing+12V power supply power supply, the OPP777 differential operational amplifier just can not be worked so, therefore measurement+12V power supply need provide bigger operating voltage, just need design feed circuit in addition, design cost is too high like this.Therefore, be to adopt power transfer module 27 in the power consumption test device that the embodiment of the invention provides, by power transfer module 27 general+12V power source conversion be+the 5V power supply gives single-chip microcomputer PCI16F877A and the power supply of OPP777 differential operational amplifier, the end that voltage in the resistance unit two ends is low links to each other with the ground end of OPP777 differential operational amplifier by short circuit pad mode, because+the ground of 12V voltage and the ground of OPP777 differential operational amplifier isolate, end in the resistance unit two ends is held with respect to the OPP777 differential operational amplifier with being so, and other end magnitude of voltage is the pressure reduction of resistance unit, thereby has eliminated common mode voltage.
In embodiments of the present invention, the analog voltage signal of amplifying circuit 24 outputs is by the analog acquisition port processing of single-chip microcomputer 25, through calculating the power of the voltage consumption of this computer motherboard after analog to digital conversion and the programming computing, concrete can calculate the power that integrated circuit board consumes by following formula: (mainboard consumed power=(resistance unit both end voltage/enlargement factor/resistance) * measuring voltage).At last, show by the power of display circuit 26 again computer motherboard consumption.
As one embodiment of the present of invention, single-chip microcomputer 25 can adopt the PIC16F877A single-chip microcomputer.
In embodiments of the present invention, checking circuit 28 further comprises: PIC16F877A analog reference voltage circuit 281 and PIC16F877A analog reference voltage relay gate 282, wherein, the output terminal of PIC16F877A analog reference voltage circuit 281 is connected to the input end of PIC16F877A analog reference voltage relay gate 282, and the output terminal of PIC16F877A analog reference voltage relay gate 282 is connected to second input end of filtering circuit 23; Systematic error is carried out inputing to single-chip microcomputer 25 through filtering circuit 23 filtering, amplifying circuit 24 after amplifying respectively after the verification, and single-chip microcomputer 25 can be taken into account systematic error when the voltage consumption power of programming algorithm computer mainboard, thereby has improved measuring accuracy.
The power consumption test device 2 that the embodiment of the invention provides not only can be used for the power consumption of metering computer mainboard, can also be used to measure the power consumption of other integrated circuit boards.Can the double-end line of resistance unit be received corresponding voltage pin on other power consumption plates according to different demands, in addition, the number of resistance can be determined according to concrete application in the resistance unit.
The power consumption test device that the embodiment of the invention provides is sampled to the output of power supply by sample circuit, and the signal of sampling is carried out filtering, processing and amplifying after single-chip microcomputer carries out the power consumption number of out-put supply after analog to digital conversion and the programming computing; Thereby replaced existing manual measurement mode, reduced error, improved precision, saved cost; Adopt gating circuit to different power supply combination carrying out gating output simultaneously, can satisfy the way to take power of all integrated circuit boards.
The above only is preferred embodiment of the present invention, not in order to restriction the present invention, all any modifications of being done within the spirit and principles in the present invention, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a power consumption test device is characterized in that, described power consumption test device comprises:
Sample circuit, it is connected between the power input of the out-put supply line of power supply and device to be measured, gathers and export the analog voltage signal of the out-put supply line output of described power supply;
Filtering circuit, its first input end is connected to the output terminal of described sample circuit, exports after the analog voltage signal filtering with described sample circuit output;
Amplifying circuit, its input end is connected to the output terminal of described filtering circuit, and filtered analog voltage signal is amplified back output; And
Single-chip microcomputer, its first input end is connected to the output terminal of described amplifying circuit, and the output of described amplifying circuit is carried out exporting the power consumption number of device to be measured by first output terminal of described single-chip microcomputer after analog to digital conversion and the programming computing.
2. power consumption test device as claimed in claim 1 is characterized in that, described sample circuit comprises:
Be serially connected in the resistance unit between the power input of the out-put supply line of described power supply and device to be measured, described resistance unit comprises a plurality of parallel resistor.
3. power consumption test device as claimed in claim 2 is characterized in that, described resistance is milliohm level resistance.
4. power consumption test device as claimed in claim 1 is characterized in that, described power consumption test device also comprises:
Display circuit is connected to first output terminal of described single-chip microcomputer, and the power consumption number of the device to be measured of first output terminal output of described single-chip microcomputer is shown.
5. power consumption test device as claimed in claim 1 is characterized in that, described power consumption test device also comprises:
Power transfer module, its input end is connected to the out-put supply line of described power supply, the output terminal of described power transfer module is connected to the power end of described single-chip microcomputer and the power end of described amplifying circuit respectively, and the analog voltage signal that the out-put supply line of described power supply is exported is converted to the supply voltage signal and gives described single-chip microcomputer and the power supply of described amplifying circuit.
6. power consumption test device as claimed in claim 1 is characterized in that described power supply comprises the multiple-output electric power line, resistance unit of serial connection on the out-put supply line of every road, and each resistance unit comprises a plurality of parallel resistor.
7. power consumption test device as claimed in claim 6 is characterized in that, described power consumption test device also comprises:
Gating circuit, its input end is connected to the output terminal of described sample circuit, the output terminal of described gating circuit is connected to the input end of described filtering circuit, the control end of described gating circuit is connected to second output terminal of described single-chip microcomputer, according to the control signal of second output terminal of described single-chip microcomputer output the multiple power supplies of described power supply output is carried out the gating combination.
8. power consumption test device as claimed in claim 7 is characterized in that, described gating circuit further comprises:
The multi channel selecting relay; The input end of wherein every road relay gate is connected with a described resistance unit, and the output terminal of every road relay gate is connected with the input end of described filtering circuit, and the control end of every road relay gate is connected with second output terminal of described single-chip microcomputer; And
Key circuit; Its output terminal is connected to second input end of described single-chip microcomputer, according to the power supply composite signal of the input end of described key circuit input by second output terminal output control signal of described single-chip microcomputer and control described multi channel selecting relay the multiple power supplies of described power supply output is carried out the gating combination.
9. power consumption test device as claimed in claim 6 is characterized in that, described multiple-output electric power line comprises:
4PIN cpu power line, 8PIN cpu power line, 20PIN ATX power lead, 24PIN ATX power lead, 4PIN power lead and AT power lead.
10. power consumption test device as claimed in claim 1 is characterized in that, described power consumption test device also comprises: checking circuit, second input end that it is connected to described filtering circuit is used for systematic error is carried out verification.
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Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103018545A (en) * | 2012-12-26 | 2013-04-03 | 北京百度网讯科技有限公司 | Whole cabinet power consumption test method |
| CN103123373A (en) * | 2011-11-21 | 2013-05-29 | 鸿富锦精密工业（深圳）有限公司 | Electrical parameter testing device |
| CN103364737A (en) * | 2012-03-26 | 2013-10-23 | 鸿富锦精密工业（深圳）有限公司 | Power capacitive-load testing device |
| CN103777067A (en) * | 2012-10-19 | 2014-05-07 | 华为技术有限公司 | Chip power-consumption measurement circuit, chip, and chip power-consumption measurement method |
| CN105044622A (en) * | 2015-07-30 | 2015-11-11 | 中国电子科技集团公司第四十一研究所 | Test instrument power supply power self-detection device and self-detection method |
| CN107132407A (en) * | 2017-05-02 | 2017-09-05 | 上海德科电子仪表有限公司 | A kind of automobile instrument production line quiescent current test device |
| CN107632194A (en) * | 2016-07-19 | 2018-01-26 | 展讯通信（上海）有限公司 | The power consumption test device of mobile terminal |
| CN107860968A (en) * | 2017-12-08 | 2018-03-30 | 湖南威铭能源科技有限公司 | Power consumption self-diagnostic circuit, power consumption self-diagnosing method and its measuring instrument |
| CN107976570A (en) * | 2017-11-21 | 2018-05-01 | 郑州云海信息技术有限公司 | Power consumption test method, device and medium during a kind of storage system data backup |
| CN108107264A (en) * | 2016-11-24 | 2018-06-01 | 深圳市中兴微电子技术有限公司 | The method and apparatus for measuring power consumption |
| CN109387792A (en) * | 2018-10-30 | 2019-02-26 | 郑州云海信息技术有限公司 | A kind of unified storage array intelligence power consumption test system |
| CN112946360A (en) * | 2021-02-02 | 2021-06-11 | 中国南方电网有限责任公司超高压输电公司天生桥局 | Method for detecting power consumption of power module secondary board card based on curve fitting method |
| US20220099741A1 (en) * | 2020-09-30 | 2022-03-31 | Changxin Memory Technologies, Inc. | Power consumption measurement assembly and method, and chip power consumption measurement device |
| CN114333971A (en) * | 2020-09-30 | 2022-04-12 | 长鑫存储技术有限公司 | Power consumption measuring assembly and method and chip power consumption measuring device |
| CN116521491A (en) * | 2023-07-05 | 2023-08-01 | 南京砺算科技有限公司 | Power consumption measuring circuit and power consumption measuring method of graphic processor |
| CN117590063A (en) * | 2024-01-18 | 2024-02-23 | 荣耀终端有限公司 | Power consumption test circuit, power consumption test method, electronic device and storage medium |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2929729Y (en) * | 2006-07-14 | 2007-08-01 | 鸿富锦精密工业（深圳）有限公司 | Output power measuring device for power supply device |
| CN100517264C (en) * | 2006-09-20 | 2009-07-22 | 鸿富锦精密工业（深圳）有限公司 | Computer system average power consumption supervisory instrument |
| CN201159852Y (en) * | 2007-08-01 | 2008-12-03 | 樊亚涛 | Programmable remote control duplex sequence switch power source wiring board |
| CN201141891Y (en) * | 2008-01-03 | 2008-10-29 | 浪潮电子信息产业股份有限公司 | Power consumption collection module |
-
2009
- 2009-06-22 CN CN 200910108103 patent/CN101930025B/en active Active
Non-Patent Citations (1)
| Title |
|---|
| 赵新民: "《智能仪器原理及设计》", 31 December 1990 * |
Cited By (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103123373A (en) * | 2011-11-21 | 2013-05-29 | 鸿富锦精密工业（深圳）有限公司 | Electrical parameter testing device |
| CN103364737A (en) * | 2012-03-26 | 2013-10-23 | 鸿富锦精密工业（深圳）有限公司 | Power capacitive-load testing device |
| US8933704B2 (en) | 2012-03-26 | 2015-01-13 | Hong Fu Jin Precision Industry (Shenzhen) Co., Ltd. | Capacitive load testing device of power supply |
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| CN108107264A (en) * | 2016-11-24 | 2018-06-01 | 深圳市中兴微电子技术有限公司 | The method and apparatus for measuring power consumption |
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