CN104635176A - Energy efficiency detection method of power adapter and system thereof - Google Patents
Energy efficiency detection method of power adapter and system thereof Download PDFInfo
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- CN104635176A CN104635176A CN201510020126.XA CN201510020126A CN104635176A CN 104635176 A CN104635176 A CN 104635176A CN 201510020126 A CN201510020126 A CN 201510020126A CN 104635176 A CN104635176 A CN 104635176A
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Abstract
The invention discloses an energy efficiency detection method of a power adapter. The method comprises the following steps: (1) connecting three to-be-detected power adapters to a control box and an electronic load respectively; (2) setting testing parameters; (3) preheating the three to-be-detected power adapters in sequence; (4) performing a preheating stage on a second to-be-detected power adapter and meanwhile testing the first to-be-detected power adapter on which the preheating stage is performed; (5) testing the second to-be-detected power adapter on which the preheating stage is performed, and performing a preheating stage on the third to-be-detected power adapter; (6) testing the third to-be-detected power adapter on which the preheating stage is performed; (7) calculating an energy efficiency result, and judging whether the energy efficiency result of the test meets the energy efficiency standard of a corresponding country and district. The invention also discloses an energy efficiency detection system of the power adapter. According to the method and the system, the working efficiency is improved and the detection period is shortened.
Description
Technical field
The invention belongs to power supply efficiency detection technique, be specifically related to a kind of power supply adaptor efficiency detection method and system thereof.
Background technology
In the world today, more and more with the electric equipment products of external power source (also claiming power supply adaptor), such as mobile phone, notebook computer, digital camera, MP3 player etc., enter family and office.The whole world external power source have 10,000,000,000, China external power source about 700,000,000.Because external power source the electrical network high voltage of interchange is converted to a stable direct current or low AC voltage, in the transfer process of high pressure and low pressure, just have energy loss, test data shows that the conversion efficiency of some external power sources only has 20% ~ 40%, and external power source conversion efficiency can up to 90% efficiently.Therefore, for improving the efficiency of external power source, the nearly all developed country in the whole world and most of developing countries are proposed the efficiency requirement of external power source, promote and adopt efficient power product, and then reduce the negative effect to environment.
External power source is labour concentrated industry, and a large amount of cheap labour's resources of China attract increasing labor-intensive enterprises in the world to enter China, and China has become the maximum producing country of external power source and exported country.The efficiency requirement proposed external power source in the face of countries in the world, strengthens being very important to the test in laboratory of efficiency requirement and Inspection and Supervision.
At present, be abroad substantially all adopt EN 50563:2011 " av eff under external communication-direct current and AC-AC power supply unit no-load power consumption and mode of operation ", IEC 62301-2011 " detection of household electrical appliance standby energy consumption " to the detection method of external power source efficiency.Standard-required detects 1-3 sample at every turn, is the product of wide cut for nominal voltage and frequency, by respectively alternating voltage 115V, frequency be 60Hz and alternating voltage 230V, frequency measures under being 50Hz two kinds of patterns.Output power when testing 100 ﹪ that output current is output-current rating, 75 ﹪, 50 ﹪, 25 ﹪ (error is ± 1 ﹪) under often kind of pattern respectively and ac input power, the unloaded power input of last test.And the detection method (C381.1-08) of Canadian external power source efficiency, then require on whole 5 check points, all want first preheating 30 minutes.
As can be seen here, under carrying out a kind of pattern of external outside next sample of efficiency detection generalized case, at least need 1 hour consuming time, complete the detection of 3 samples, two patterns, at least need more than 6 hours consuming time; And Canadian detection will be carried out, under an a kind of pattern of sample, at least need 5.5 hours consuming time, complete the detection of 3 samples, two patterns, at least need 33 hours consuming time, this needs working day more than 4.Except length consuming time, this detection method also has simple to operate uninteresting, easily brings human error.In addition, although the detection method of various countries is basically identical, require different to the judgement of efficiency accordance, on result judges, also easily bring mistake.
Summary of the invention
In view of this, the technical problem to be solved in the present invention is the power supply adaptor efficiency detection method and system thereof that a kind of test duration is short, speed is fast, efficiency is high.
In order to solve the problems of the technologies described above, the present invention adopts following scheme to realize: a kind of power supply adaptor efficiency detection method, comprises the steps:
(1) the first power supply adaptor to be measured, the second power supply adaptor to be measured and the 3rd power supply adaptor to be measured three power supply adaptors to be measured are accessed same control box to be respectively connected with electronic load, and pass through the work of switch control rule first power supply adaptor to be measured, the second power supply adaptor to be measured, the 3rd power supply adaptor to be measured;
(2) test parameter is set;
(3) successively preheating is carried out to the first power supply adaptor to be measured, the second power supply adaptor to be measured, the 3rd power supply adaptor to be measured;
After (4) first power supply adaptors to be measured complete preheating, by switching over, preheating is carried out to the second power supply adaptor to be measured; When the complete warm-up phase first power supply adaptor to be measured being tested simultaneously, corresponding output power and ac input power when test the first power supply adaptor output current to be measured is 100 ﹪, 75 ﹪, 50 ﹪, 25 ﹪ of output-current rating respectively, the unloaded power input of last test;
(5) first power supply adaptors to be measured complete test, and by switching over, test the complete preheating second power supply adaptor to be measured, the 3rd power supply adaptor to be measured carries out preheating; Corresponding output power and ac input power when testing out 100 ﹪, 75 ﹪ that the second power supply adaptor output current to be measured is output-current rating, 50 ﹪, 25 ﹪ according to the test mode of the first power supply adaptor to be measured in step (5);
(6) second power supply adaptors to be measured complete test, by switching over, test the 3rd power supply adaptor to be measured completing preheating; Corresponding output power and ac input power when testing out 100 ﹪, 75 ﹪ that the 3rd power supply adaptor output current to be measured is output-current rating, 50 ﹪, 25 ﹪ according to the test mode of the second power supply adaptor to be measured in step (6);
(7) calculate efficiency result, display test data, and contrast with the Energy Efficiency Standard in every country and area, judge whether the efficiency result of testing meets the Energy Efficiency Standard of corresponding countries and regions.
Wherein, it is 30 minutes that described preheating time controls.
Wherein, described switch is relay.
Wherein, described test parameter comprises nominal input voltage, rated output voltage, rated current, preheating time.
Wherein, described first power supply adaptor to be measured, second power supply adaptor to be measured, during the 3rd power supply adaptor test to be measured, output power when first test output current is 100 ﹪ of output-current rating and ac input power, write down the initial power reading of power meter, wait for 5 minutes, write down second reading, if the difference between two readings is less than 5%, then record second measurement result, if the difference between two readings is greater than 5%, then need the integration calculating power input, then by this result divided by interval time, using average power as power input, electronic load is regulated to make output current be respectively 75 ﹪, 50 ﹪, 25 ﹪ of ratings again, and as stated above, the power input of test corresponding state.
A kind of voltage adapter energy efficiency detection system, comprise terminal control box, power meter, electronic load (4), variable-frequency power sources, reometer voltage table and power supply adaptor to be measured, between terminal and control box, control box is connected by communication line with between power meter, electronic load, variable-frequency power sources, reometer, voltage table and power supply adaptor to be measured; Variable-frequency power sources is connected with power meter, power supply adaptor to be measured, reometer, electronic load and voltage table successively by cable.
Wherein, between variable-frequency power sources and power meter, between power meter and power supply adaptor to be measured, between variable-frequency power sources and power supply adaptor to be measured, between power supply adaptor to be measured and reometer, between reometer and electronic load, between power supply adaptor to be measured and electronic load, between electronic load and voltage table.
Wherein, the quantity of described power supply adaptor to be measured (8) is three, and between three power supply adaptor to be measured (8) access power meters (3) in parallel and reometer (6).
Compared with prior art, tool of the present invention has the following advantages:
(1) three power supply adaptors can be detected simultaneously, increase work efficiency, shorten sense cycle.
(2), after completing setting parameter, realize whole-course automation test, save human cost.By control system, complete warm-up phase and the follow-on test of sample, utilize the switching of relay to make power meter carry out wheel current test to three samples completing preheating; The sub-load of automatic control electric, and output power when to test external power source output current be respectively 100 ﹪, 75 ﹪, 50 ﹪, 25 ﹪ of output-current rating and ac input power, the unloaded power input of last test; Changed power in automatic decision 5 minutes, selects each performance number according to standard-required.
(3) the efficiency decision criteria of the countries and regions such as built-in China, the U.S., European Union, Australia, can show in real time testing result, automatic record, generating report forms, calculates energy efficiency market, Energy efficiency evaluation value and target energy efficiency market, and carry out and Comparison of standards, directly judge.
(4) system composition is easy, adopts the existing general checkout equipment in laboratory, with low cost, has good generalization.
Accompanying drawing explanation
Fig. 1 is the structure principle chart of power supply adaptor energy efficiency detection system of the present invention.
Embodiment
In order to allow those skilled in the art understand technical scheme of the present invention better, below in conjunction with accompanying drawing, the present invention is further elaborated.
A kind of power supply adaptor efficiency detection method, specifically comprises the steps:
(1) from sample, randomly draw three power supply adaptors to be measured, be respectively the first power supply adaptor to be measured, the second power supply adaptor to be measured, the 3rd power supply adaptor to be measured.
(2) three power supply adaptors to be measured are connected in parallel, in the circuit that three power supply adaptor parallel connections to be measured are connected between access control box and electronic load afterwards.Control box is connected with terminal, and to be controlled control box by terminal and data process.Control box is connected with on-off element relay, and switches the work of control first power supply adaptor to be measured, the second power supply adaptor to be measured, the 3rd power supply adaptor to be measured by relay, makes its conducting and disconnection.
(3) connect after, terminal arrange test power supply adaptor to be measured nominal input voltage, rated output voltage, rated current, preheating time parameter.
(4) optimum configurations complete after, successively preheating is carried out to the first power supply adaptor to be measured, the second power supply adaptor to be measured, the 3rd power supply adaptor to be measured; When the first power supply adaptor preheating to be measured, the second power supply adaptor to be measured, the 3rd power supply adaptor to be measured do not work; When testing after the first power supply adaptor preheating to be measured, the second power supply adaptor to be measured carries out preheating, and the 3rd power supply adaptor to be measured does not work; Quit work after after the first power supply adaptor to be measured is completed, second power supply adaptor to be measured completes preheating to start to test, 3rd power supply adaptor to be measured carries out preheating, the mode of alternately preheating and test is adopted to process power supply adaptor to be measured, the efficiency of preheating can be provided, reduce the time in warm, shorten test period.The preheating time of power supply adaptor to be measured is controlled to be 30 minutes simultaneously.
After (5) first power supply adaptors to be measured complete preheating, control box carries out warm-up phase by switching over to the second power supply adaptor to be measured; Complete warm-up phase first power supply adaptor to be measured is tested simultaneously.During test, output power when first test output current is 100 ﹪ of output-current rating and ac input power, write down the initial power reading of power meter, wait for 5 minutes, write down second reading, if the difference between two readings is less than 5%, then record second measurement result, if the difference between two readings is greater than 5%, then need the integration calculating power input, then by this result divided by interval time, using average power as power input; Electronic load is regulated to make output current be respectively 75 ﹪, 50 ﹪, 25 ﹪ of ratings again, and as stated above, the power input of test corresponding state.The unloaded power input of last test.
(6) first power supply adaptors to be measured complete test, and control box is by switching over, and control the first power supply adaptor to be measured and quit work, test the complete preheating second power supply adaptor to be measured, the 3rd power supply adaptor to be measured carries out warm-up phase; Corresponding output power and ac input power when according to the test mode of the first power supply adaptor to be measured in step (5) 100 ﹪, 75 ﹪ that the second power supply adaptor output current to be measured is output-current rating, 50 ﹪, 25 ﹪ test out to the test of the second power supply adaptor to be measured.
(7) second power supply adaptors to be measured complete test, and control box, by switching over, controls the second power supply adaptor to be measured and quits work, the 3rd power supply adaptor to be measured completing preheating is tested; Corresponding output power and ac input power when testing out 100 ﹪, 75 ﹪ that the 3rd power supply adaptor output current to be measured is output-current rating, 50 ﹪, 25 ﹪ according to the test mode of the second power supply adaptor to be measured in step (6).
(8) according to the data that step (5), step (6) and step (7) are tested, terminal calculates efficiency result, and by Computer display test data.The Energy Efficiency Standard in the efficiency result of test and every country and area is contrasted simultaneously, judge whether the efficiency result of testing meets the Energy Efficiency Standard of corresponding countries and regions.
As shown in Figure 1, a kind of voltage adapter energy efficiency detection system, comprise terminal 1, control box 2, power meter 3, electronic load 4, variable-frequency power sources 5, reometer 6, voltage table 7 and power supply adaptor to be measured 8, connected by the communication line of RS232 interface between terminal 1 and control box, make can communicate between terminal and control box and data transmission.All be connected by the communication line of RS485 interface between control box 2 with power meter 3, between control box 2 with electronic load 4, between control box 2 with variable-frequency power sources 5, between control box 2 with reometer 6, between control box 2 with voltage table 7 and between control box 2 with power supply adaptor to be measured, carry out communicating and exchanges data.Wherein the quantity of power supply adaptor to be measured is three, and three power supply adaptors to be measured are connected in parallel.Power supply adaptor to be measured 8, reometer 6, electronic load 4 and voltage table 7 after variable-frequency power sources 5 is in parallel with power meter 3, three successively by cable are connected in series.The current input terminal of variable-frequency power sources 5 is connected with the external power source of 220V, powers.In order to the connecting and disconnecting of the circuit of better control system, coherent system is tested, make work that power supply adaptor to be measured can be orderly and control, the break-make of relay for operation circuit is equipped with, as shown in Figure 1 between variable-frequency power sources 5 and power meter 3, between power meter 3 and power supply adaptor to be measured 8, between variable-frequency power sources 5 and power supply adaptor to be measured 8, between power supply adaptor to be measured 8 and reometer 5, between reometer 5 and electronic load 4, between power supply adaptor to be measured 8 and electronic load 4, between electronic load 4 and voltage table 7.
Power meter described in above embodiment can select be Japanese Yokogawa company produce model be the power meter of WT-210, the model that described variable-frequency power sources can select Taiwan Hua Yi company to produce is the variable-frequency power sources of 6500, the model that described electronic load can select Nanjing Ai De Ces Co., Ltd to produce is the electronic load of IT8702, does not launch one by one to set forth at this.
Above-described embodiment is only wherein specific implementation of the present invention, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these apparent replacement forms all belong to protection scope of the present invention.
Claims (8)
1. a power supply adaptor efficiency detection method, is characterized in that, comprises the steps:
(1) the first power supply adaptor to be measured, the second power supply adaptor to be measured and the 3rd power supply adaptor to be measured three power supply adaptors to be measured are accessed same control box to be respectively connected with electronic load, and pass through the work of switch control rule first power supply adaptor to be measured, the second power supply adaptor to be measured, the 3rd power supply adaptor to be measured;
(2) test parameter is set;
(3) successively preheating is carried out to the first power supply adaptor to be measured, the second power supply adaptor to be measured, the 3rd power supply adaptor to be measured;
After (4) first power supply adaptors to be measured complete preheating, by switching over, preheating is carried out to the second power supply adaptor to be measured; When the complete warm-up phase first power supply adaptor to be measured being tested simultaneously, corresponding output power and ac input power when test the first power supply adaptor output current to be measured is 100 ﹪, 75 ﹪, 50 ﹪, 25 ﹪ of output-current rating respectively, the unloaded power input of last test;
(5) first power supply adaptors to be measured complete test, and by switching over, test the complete preheating second power supply adaptor to be measured, the 3rd power supply adaptor to be measured carries out preheating; Corresponding output power and ac input power when testing out 100 ﹪, 75 ﹪ that the second power supply adaptor output current to be measured is output-current rating, 50 ﹪, 25 ﹪ according to the test mode of the first power supply adaptor to be measured in step (5);
(6) second power supply adaptors to be measured complete test, by switching over, test the 3rd power supply adaptor to be measured completing preheating; Corresponding output power and ac input power when testing out 100 ﹪, 75 ﹪ that the 3rd power supply adaptor output current to be measured is output-current rating, 50 ﹪, 25 ﹪ according to the test mode of the second power supply adaptor to be measured in step (6);
(7) calculate efficiency result, display test data, and contrast with the Energy Efficiency Standard in every country and area, judge whether the efficiency result of testing meets the Energy Efficiency Standard of corresponding countries and regions.
2. power supply adaptor efficiency detection method according to claim 1, is characterized in that, it is 30 minutes that described preheating time controls.
3. power supply adaptor efficiency detection method according to claim 1, is characterized in that, described switch is relay.
4. power supply adaptor efficiency detection method according to claim 1, it is characterized in that, described test parameter comprises nominal input voltage, rated output voltage, rated current, preheating time.
5. power supply adaptor efficiency detection method according to claim 1, it is characterized in that, described first power supply adaptor to be measured, second power supply adaptor to be measured, during the 3rd power supply adaptor test to be measured, output power when first test output current is 100 ﹪ of output-current rating and ac input power, write down the initial power reading of power meter, wait for 5 minutes, write down second reading, if the difference between two readings is less than 5%, then record second measurement result, if the difference between two readings is greater than 5%, then need the integration calculating power input, then by this result divided by interval time, using average power as power input, electronic load is regulated to make output current be respectively 75 ﹪, 50 ﹪, 25 ﹪ of ratings again, and as stated above, the power input of test corresponding state.
6. one kind realizes the system of voltage adapter efficiency detection method according to claim 1, it is characterized in that, comprise terminal (1), control box (2), power meter (3), electronic load (4), variable-frequency power sources (5), reometer (6) voltage table (7) and power supply adaptor to be measured (8), between terminal (1) and control box (2), control box (2) and power meter (3), electronic load (4), variable-frequency power sources (5), reometer (6), connected by communication line between voltage table (7) and power supply adaptor to be measured (8), variable-frequency power sources (5) is connected with power meter (3), power supply adaptor to be measured (8), reometer (6), electronic load (4) and voltage table (7) successively by cable.
7. power supply adaptor energy efficiency detection system according to claim 6, it is characterized in that, between variable-frequency power sources (5) and power meter (3), between power meter (3) and power supply adaptor to be measured (8), between variable-frequency power sources (5) and power supply adaptor to be measured (8), between power supply adaptor to be measured (8) and reometer (5), between reometer (5) and electronic load (4), between power supply adaptor to be measured (8) and electronic load (4), between electronic load (4) and voltage table (7).
8. power supply adaptor energy efficiency detection system according to claim 6, is characterized in that, the quantity of described power supply adaptor to be measured (8) is three, and between three power supply adaptor to be measured (8) access power meters (3) in parallel and reometer (6).
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| CN112748355A (en) * | 2021-02-08 | 2021-05-04 | 广东产品质量监督检验研究院（国家质量技术监督局广州电气安全检验所、广东省试验认证研究院、华安实验室） | Automatic power adapter energy efficiency test system |
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| CN105699914A (en) * | 2016-01-28 | 2016-06-22 | 深圳信泰质量技术有限公司 | A power supply product energy efficiency automatic test method |
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| CN111247440A (en) * | 2018-09-29 | 2020-06-05 | Oppo广东移动通信有限公司 | Adapter testing device and method and computer storage medium |
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| CN112748355A (en) * | 2021-02-08 | 2021-05-04 | 广东产品质量监督检验研究院（国家质量技术监督局广州电气安全检验所、广东省试验认证研究院、华安实验室） | Automatic power adapter energy efficiency test system |
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Application publication date: 20150520 |