CN105446295A - Electric appliance identification method and apparatus - Google Patents
Electric appliance identification method and apparatus Download PDFInfo
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- CN105446295A CN105446295A CN201510873056.2A CN201510873056A CN105446295A CN 105446295 A CN105446295 A CN 105446295A CN 201510873056 A CN201510873056 A CN 201510873056A CN 105446295 A CN105446295 A CN 105446295A
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- 230000008859 change Effects 0.000 claims abstract description 25
- 230000005611 electricity Effects 0.000 claims description 15
- 238000001514 detection method Methods 0.000 claims description 10
- 108010076504 Protein Sorting Signals Proteins 0.000 claims description 4
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 238000004378 air conditioning Methods 0.000 description 16
- 230000008569 process Effects 0.000 description 9
- 238000005406 washing Methods 0.000 description 7
- 238000002372 labelling Methods 0.000 description 4
- 238000004891 communication Methods 0.000 description 3
- 238000005057 refrigeration Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000004069 differentiation Effects 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 241000220317 Rosa Species 0.000 description 1
- 244000062793 Sorghum vulgare Species 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005059 dormancy Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005194 fractionation Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000003550 marker Substances 0.000 description 1
- 235000019713 millet Nutrition 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/418—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM]
- G05B19/4183—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM] characterised by data acquisition, e.g. workpiece identification
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Abstract
The invention provides an electric appliance identification method and apparatus. The electric appliance identification method comprises the steps: A pre-storing the electric fingerprint information of different electric appliances, wherein the electric fingerprint includes a sequence for electric signals on a time axis when an electric appliance is started; B acquiring electric signals on a home power supply main circuit, and after judging that the electric signals of the power supply main circuit change, determining the electric fingerprint information contained in the electric signals when the electric signals change; and C determining the corresponding electric appliance according to the electric fingerprint information of the prestored different electric appliances. Therefore, according to the electric fingerprints of different electric appliances, the electric appliance identification method can realize identification of different electric appliances and can provide technical support for electric appliance control.
Description
Technical field
The present invention relates to technical field of electric device control, particularly a kind of recognition methods of electrical equipment and device.
Background technology
Along with the rise of cloud platform and Smart Home, user expects to carry out Long-distance Control to each electrical equipment in family.Such as " millet " has just created the electrical equipment ecosystem of self brand, and by the APP of mobile phone terminal, combining wireless network, can realize the Long-distance Control to its brand electrical equipment.
For user, seldom select the electrical equipment of same electrical equipment manufacturer at home, if each electrical equipment manufacturer all builds oneself electrical equipment ecosystem, for user while handled easily, the APP of installation different vendor may be needed or adopt different remote control terminal, obviously having manufactured again inconvenience.
Therefore, realize control by an APP or a set of control system to each electrical equipment in family just particularly important, the prerequisite realizing above-mentioned control needs the different brands in subscriber household, and the electrical equipment of different model realizes identifying.
Summary of the invention
In view of this, fundamental purpose of the present invention is, provides a kind of recognition methods and device of electrical equipment, comprises step:
A, prestore the electric finger print information of different electrical equipment; Electric signal sequence on a timeline when described electric fingerprint comprises appliance starting;
B, the electric signal gathered on the total road of domestic power, and when the electric signal on total road of judging to power changes, determine that it to change the electric finger print information comprised the moment from electric signal;
C, determine corresponding electrical equipment according to the electric finger print information of prestored different electrical equipment.
By upper, the electric fingerprint according to different electrical equipment realizes the identification for different electrical equipment, for electrical equipment control provides technical support.
Optionally, the step prestored in described steps A comprises:
A1: judge whether the electric fingerprint that collects has the electric fingerprint of coupling in the electrical equipment electricity fingerprint list stored, if not then next step;
A2: mated with the id information of current electrical equipment by the electric fingerprint of current electrical equipment, joins in electrical equipment electricity fingerprint list.
By upper, the foundation for electric finger print information storehouse can be realized, realize associating of electric fingerprint and electrical equipment ID.
Optionally, steps A 2 also comprises: the electric fingerprint of current electrical equipment and the mode of operation of current electrical equipment are matched, and joins in electrical equipment electricity fingerprint list.
By upper, enriching for electric finger print information storehouse can also be realized, electric fingerprint is mated with the duty of electrical equipment.
Optionally, before steps A 2, also comprise the obtaining step of the id information of described electrical equipment, comprise one of at least following:
Input obtains;
Id information corresponding on scanning electric equipment obtains;
The Sign Board of electrical equipment is taken pictures, by identifying that photo obtains.
Optionally, determine described in step B that it comprises from the electric signal electric finger print information comprised the moment that changes:
The electric signal gathered when power supply total road power on signal being changed and the electric signal before changing carry out difference operation, determine the electric signal causing and bus changes.
By upper, when can be implemented in appearance change on the total road of domestic power, identify the electric signal causing changing, identify this electrical equipment with this.
Optionally, described electric signal comprises one of at least following:
Current waveform, voltage waveform, described current waveform and the phase differential of described voltage waveform and the harmonic wave of described current waveform and voltage waveform.
By upper, by multiple electric signal, different electrical signals change when opening for electrical equipment, realizes the identification for electrical equipment.
Optionally, also comprise after step C:
Obtain electrical equipment self telepilot and send telecommand;
Detect the change of electric signal after electrical equipment receives described telecommand on the total road of power supply;
Described telecommand is carried out associating and storing with the change of described electric signal.
By upper, can realize change between steering order with electric signal is associated, thus to each electrical equipment learning by electrical characteristics under different instruction.
Optionally, also comprise after step C: fault electricity fingerprint database or the electric fingerprint database of normal work of setting up each electrical equipment in advance, contrast, to judge the failure condition of each electrical equipment according to the electric fingerprint of each electrical equipment and described database.
Accordingly, the present invention also provides a kind of recognition device of electrical equipment, comprising:
Intelligent electric meter, is located on the total road of power supply of family, for detecting the electric signal on the total road of power supply;
Clock unit, is connected with described intelligent electric meter, for providing time shaft to intelligent electric meter;
Storage unit, for storing the electric fingerprint of different electrical equipment;
Control module, is connected with intelligent electric meter and clock unit respectively, for store electricity fingerprint, and identifies electrical equipment according to the electric fingerprint stored.
By upper, the electric fingerprint according to different electrical equipment realizes the identification for different electrical equipment, for electrical equipment control provides technical support.
Optionally, described intelligent electric meter comprises:
Electrical signal detection module, for detecting the electric signal sequence on a timeline of each electrical equipment on the total road of power supply;
Electric signal splits module, with described electrical signal detection model calling, for judging to determine when the electric signal on the total road of domestic power changes that it to change the electric finger print information comprised the moment from electric signal.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of electrical equipment recognition device of the present invention;
Fig. 2 is the process flow diagram of electrical appliance recognition of the present invention.
Embodiment
For overcoming the defect that prior art exists, the invention provides a kind of recognition methods and device of electrical equipment, by distinguishing the difference change of the electric signal of different electrical equipment in start-up course, realizing the identification to electrical equipment, in the present invention, this electric signal can distinguishing the change of electrical equipment is called electric fingerprint.Wherein, startup here comprises starting up, and startup when being waken up from dormancy, the startup of compressor during startup, air-conditioning temperature control as compressor when refrigeration for refrigerator is waken up, the startup etc. when computer is waken up.
Wherein, as shown in Figure 1, the recognition device of electrical equipment of the present invention realizes based on lower component, comprising:
The intelligent electric meter that the total road of the power supply of family is arranged, it at least comprises an electrical signal detection module, can to power supply total road electric signal, as electric current, voltage detect.
Clock unit, is connected with described intelligent electric meter, for providing clock data, with axle Time Created.
Storage unit, for the electric fingerprint of the ID and this electrical equipment that store different electrical equipment, this electric fingerprint can be the electric signal comprising time shaft.
Control module, be connected with intelligent electric meter and clock unit respectively, electric signal binding time axle for being gathered by intelligent electric meter builds in described electric fingerprint storage to described storage unit, and the content for storing according to storage unit, electric fingerprint detected by intelligent electric meter is compared, to identify electrical equipment.
Communication unit, is connected with electrical control unit, and to realize the communication with corresponding A PP on mobile phone, or accessing Internet and server carry out communication.
As shown in Figure 2, the recognition methods of electrical equipment of the present invention is described in detail, mainly comprises two large divisions, labeling process and identifying.
Wherein labeling process comprises the following steps:
S10: described intelligent electric meter obtains electric fingerprint during also storage appliance startup.
Take electric signal as electric current for example is described, in this example, intelligent electric meter gathers current waveform during each appliance starting, this current waveform can adopt continuous print current sampling data to represent, referred to herein as the electric fingerprint of electric current, carry out association store in storage unit with corresponding electrical equipment ID (as producer/device name/model/sequence number).
Wherein, can adopting following step that the ID of electrical equipment and intelligent electric meter are obtained, the current waveform of each electrical equipment is corresponding builds electric fingerprint list.
Wherein, to the acquisition of electrical equipment id information, following manner can be adopted to obtain, by operation interfaces such as the APP on the mobile phone that intelligent electric meter is corresponding, user inputs each electrical equipment ID, or id information corresponding on scanning electric equipment, or by taking the photo of electrical equipment Sign Board, carried out the identification of electrical equipment ID by photo, then be transferred to described storage unit and store.
Wherein, for the acquisition of current waveform, following real-time mode can be adopted: the current waveform gathered by the intelligent electric meter be located on main power line, after user obtains the id information of input electrical equipment by operation interfaces such as APP, user starts corresponding electrical equipment, to be detected by intelligent electric meter and the current waveform information recorded on current way circuit terminates start-up course to stable operation to this electrical equipment, and described current waveform information is sampled accordingly, and be transferred to the corresponding described ID storage of control module in the memory unit.
It should be noted that, when adopting real-time mode, each electrical equipment is preferably in and uses electricity condition separately.But owing to usually having the consumer (charger etc. as on the Set Top Box/socket of the electric heater/holding state of refrigerator/power on all the time) run all the time in family, when therefore adopting real-time mode, keep other equipment to be in steady-working state also can, now, need to process further gathered current information.Such as, be provided with in intelligent electric meter and split module with the electric signal of described electrical signal detection model calling, the electric signal for one or more electrical equipment electrical signal detection module detected splits, and obtains the electric signal representing each electrical equipment.
Namely when electrical signal detection module detect total road changes time, split module by electric signal and the electric signal of bus split, thus determine the electric signal causing and bus changes on a timeline.
Optionally, electric signal splits module can adopt following manner: because intelligent electric meter continues the current signal detecting the total road of power supply, therefore, before device start, the current signal on total road of powering is stable substantially, and electric signal splits the current signal gathered when current waveform changes by module and carries out with current value before the value that difference operation can obtain described change.
Again such as, also download the corresponding relation of electrical equipment ID and current waveform by network to the server preset, be stored to storage unit.
Following is a list another specific embodiment of step S10, this embodiment is the refinement different start-up course of electrical equipment more:
Step S101: judge whether the electric fingerprint of intelligent electric meter collection has the electric fingerprint of coupling in its electrical equipment electricity fingerprint list stored, if then enter step S40, namely Direct Recognition goes out this electrical equipment by control module; Otherwise enter step S102.
Step S102: by control module using the current waveform of current electrical equipment as electric fingerprint, join cell stores electrical equipment electricity fingerprint list in.
In adition process, by the current waveform of current electrical equipment in start-up course that intelligent electric meter detects, by control module, current waveform and this electrical equipment ID and current operation mode thereof are carried out association store in storage unit.
Be described for air-conditioning, the air-conditioning of such as A brand when refrigeration 25 DEG C, its electric current the first waveform corresponding; When it changes refrigeration 26 DEG C into, the corresponding the second waveform of its electric current.Carry out successively distinguishing and record.Thus, not only can realize for different brands, the differentiation of the electrical equipment of variety classes and different model, also can realize the separator for electrical work state further.
Wherein, when gathering electric fingerprint, in order to can other be more obvious by fingerprint region, in current waveform gatherer process, can set in a time shaft t by clock unit, control module is different brands on time shaft t, the intelligent electric appliance electroactive marker fingerprint of variety classes and different model, and correspondence is loaded in described list, to be stored to storage unit.
Still be described for air-conditioning, suppose that user is at parlor and the horizontal air-conditioning having selected A, B two brands to be 1.5P respectively, and A brand 1.5P air-conditioning and B brand 1.5P air-conditioning have employed identical compressor, so only rely on the current waveform added in step S30, then cannot realize the differentiation for the two.Therefore, the different steering logic differences needing this step to be embodied by time shaft t in start-up course by different vendor are distinguished.For example, A brand 1.5P air-conditioning after 20 seconds, opens fan at compressor start; And A brand 1.5P air-conditioning after 30 seconds, opens fan at compressor start.Thus, by the time sequence difference for fan opening and closing, embody the electric fingerprint difference of A brand and B brand two air-conditioning.
Electric fingerprint in the present embodiment, except front chatting described current waveform change, also can comprise voltage waveform change and reflecting.Namely, in time shaft 0 ~ 20 second, A, B two brand 1.5P air-conditioning current waveform change, voltage waveform and electric current all identical with the phase differential of voltage, within 20th second, rise, because A brand 1.5P air-conditioning draught fan starts, B brand 1.5P air-conditioning does not start, and causes the electric current of A brand 1.5P air-conditioning and the fluctuation of voltage thus.And rose at the 30th second, there is same fluctuation in the electric current of B brand 1.5P air-conditioning and voltage, distinguishes A, B two brand 1.5P air-conditioning with this.
Further, due to the difference of motor compressor tenure of use or the difference of other circuit devcies, current waveform and voltage waveform phase differential on a timeline may be caused to exist different, based on this, current waveform and voltage waveform phase differential on a timeline also can be utilized as the basis for estimation of electric fingerprint difference.Or, also can carry out Fourier transform based on to described current waveform and voltage waveform, to obtain the harmonic wave of current waveform and voltage waveform.
In addition, then be described for washing machine, such as, A, B two brand washing machine adopt identical motor, then can by washing machine under identical washing mode, difference off time of its machine operation carries out the mark of electric fingerprint difference.Such as A brand washing mode machine operation 4 seconds, 2.5 seconds, interval, then work 4 seconds.And B brand washing mode is, machine operation 4.5 seconds, 1.5 seconds, interval, then work 4.5 seconds.Thus, by A, B two brand current fluctuation on a timeline, voltage fluctuation and the phase differential of the two, thus A, B brand washing machine is distinguished.
The identifying of electrical equipment of the present invention comprises the following steps:
Step S40: the electric fingerprint list stored according to storage unit, identifies the ID that described electric fingerprint is corresponding, namely identifies electrical equipment, and the current mode of operation of correspondence.
Corresponding above-mentioned labeling process, in electric operation process, according to the current characteristic waveform of electrical equipment, and electric fingerprint difference on a timeline, namely by comparing with the data that store in described upgrade feature list, thus realizes the identification for electrical equipment.
During for electric fingerprint comparison, usually charging equipment is all the time there is in family, therefore the sampling value corresponding to the current waveform detected is needed to be judged by the electric fingerprint obtaining only this electrical equipment after certain algorithm denoising again, namely split module by the electric signal in intelligent electric meter the electric signal of multiple electrical equipment is split, then identify the electric signal of each electrical equipment one by one.Specifically see description corresponding to labeling process, can repeat no more.
Above-mentioned electric fingerprint when being startup for electrical equipment is described, be understood that, also can be electrical equipment be in operation certain duty change time electric fingerprint be example, wherein, the change of this duty of electrical equipment intelligent electric meter can be made to detect to there is the larger change of electric signal in the total road of power supply better.
Further, also comprise step S50 (not shown), the electrical equipment after identifying controlled, the management of power use etc.Control to comprise and adopt intelligent terminal APP to send different compiler directives to different electrical equipment, to realize controlling respectively.And the management of power use comprises the power consumption such as monitoring each electrical equipment, switch conditions (whether long-time energising) under non-working condition monitoring each electrical equipment etc.And in situation (such as summer electricity consumption close to the saturated) time higher for power consumption, provides alert, to ensure user security.
In addition, about the identification to each electrical equipment, also comprise with under type:
User sends telecommand by electrical equipment self telepilot, and the infrared module 103 in remote control unit 10 receives above-mentioned instruction equally, after received instruction being resolved by remote processing module 101, by mixed-media network modules mixed-media 104 by wireless for above-mentioned instruction output.Network element 204 in electric power detection unit 20 receives and sends telecommand above by electrical equipment self telepilot, detecting unit 201 correspondence detects the change in bus, and the electric signal being gone out to change by electric signal fractionation Module recognition, by electric power detection control module 202, self telepilot of the change of described electric signal and electrical equipment is sent telecommand to associate, thus realize study.
Further, also comprise step S60 (not shown), the electric fingerprint according to each electrical equipment judges the failure condition of electrical equipment.Such as, when can occur according to fault in advance, the historical data of corresponding electric fingerprint carries out Database Mishap Database.When the electric fingerprint of electrical equipment and described Mishap Database being detected in the fault electricity fingerprint matching stored, namely judging to break down, sending warning message to user thus.In addition, electric fingerprint when also normally can work to each electrical equipment carries out record, forms normal working data base.When detecting that electrical equipment fingerprint does not mate with described normal working data base, also judging to break down, thus sending warning message to user.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention.In a word, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a recognition methods for electrical equipment, is characterized in that, comprises step:
A, prestore the electric finger print information of different electrical equipment; Electric signal sequence on a timeline when described electric fingerprint comprises appliance starting;
B, the electric signal gathered on the total road of domestic power, and when the electric signal on total road of judging to power changes, determine that it to change the electric finger print information comprised the moment from electric signal;
C, determine corresponding electrical equipment according to the electric finger print information of prestored different electrical equipment.
2. method according to claim 1, is characterized in that, the step prestored in described steps A comprises:
A1: judge whether the electric fingerprint that collects has the electric fingerprint of coupling in the electrical equipment electricity fingerprint list stored, if not then next step;
A2: mated with the id information of current electrical equipment by the electric fingerprint of current electrical equipment, joins in electrical equipment electricity fingerprint list.
3. method according to claim 2, is characterized in that, steps A 2 also comprises: the electric fingerprint of current electrical equipment and the mode of operation of current electrical equipment are matched, and joins in electrical equipment electricity fingerprint list;
Step C also comprises the step of the mode of operation identifying described corresponding electrical equipment further.
4. method according to claim 2, is characterized in that, also comprises the obtaining step of the id information of described electrical equipment before steps A 2, comprises one of at least following:
Input obtains;
Id information corresponding on scanning electric equipment obtains;
The Sign Board of electrical equipment is taken pictures, by identifying that photo obtains.
5. method according to claim 1, is characterized in that, determines that it comprises from the electric signal electric finger print information comprised the moment that changes described in step B:
The electric signal gathered when power supply total road power on signal being changed and the electric signal before changing carry out difference operation, determine the electric signal causing and bus changes.
6. method according to claim 1, is characterized in that, described electric signal comprises one of at least following:
Current waveform, voltage waveform, described current waveform and the phase differential of described voltage waveform and the harmonic wave of described current waveform and voltage waveform.
7. method according to claim 1, is characterized in that, also comprises after step C:
Obtain electrical equipment self telepilot and send telecommand;
Detect the change of electric signal after electrical equipment receives described telecommand on the total road of power supply;
Described telecommand is carried out associating and storing with the change of described electric signal.
8. method according to claim 1, it is characterized in that, also comprise after step C: fault electricity fingerprint database or the electric fingerprint database of normal work of setting up each electrical equipment in advance, contrast, to judge the failure condition of each electrical equipment according to the electric fingerprint of each electrical equipment and described database.
9. a recognition device for electrical equipment, is characterized in that, comprising:
Intelligent electric meter, is located on the total road of power supply of family, for detecting the electric signal on the total road of power supply;
Clock unit, is connected with described intelligent electric meter, for providing time shaft to intelligent electric meter;
Storage unit, for storing the electric fingerprint of different electrical equipment;
Control module, is connected with intelligent electric meter and clock unit respectively, for store electricity fingerprint, and identifies electrical equipment according to the electric fingerprint stored.
10. device according to claim 9, is characterized in that, described intelligent electric meter comprises:
Electrical signal detection module, for detecting the electric signal sequence on a timeline of each electrical equipment on the total road of power supply;
Electric signal splits module, with described electrical signal detection model calling, for judging to determine when the electric signal on the total road of domestic power changes that it to change the electric finger print information comprised the moment from electric signal.
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| CN201510873056.2A CN105446295B (en) | 2015-12-02 | 2015-12-02 | The recognition methods of electric appliance and device |
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| CN201510873056.2A CN105446295B (en) | 2015-12-02 | 2015-12-02 | The recognition methods of electric appliance and device |
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| CN107045086A (en) * | 2016-12-07 | 2017-08-15 | 美的集团股份有限公司 | A kind of home appliance detection method and device |
| CN108181502A (en) * | 2017-12-27 | 2018-06-19 | 上海贝岭股份有限公司 | Electric energy computation chip and electric energy metering device |
| CN108804696A (en) * | 2018-06-15 | 2018-11-13 | 深圳华建电力工程设计有限公司 | The creation method and its system of power consumer electric appliance fingerprint base |
| CN110031701A (en) * | 2019-04-15 | 2019-07-19 | 杭州拓深科技有限公司 | A kind of electric appliance characteristic detection method based on electric current fingerprint technique |
| CN110596635A (en) * | 2019-07-26 | 2019-12-20 | 广西电网有限责任公司 | Method for detecting rear fault of electric energy meter and electric energy meter |
| CN111324043A (en) * | 2020-01-23 | 2020-06-23 | 珠海荣邦电子科技有限公司 | Controller, and control signal matching method and system |
| CN112015116A (en) * | 2020-08-20 | 2020-12-01 | 国网天津市电力公司 | Load sensing method and device capable of collecting electric appliance fingerprints in multi-environment |
| CN113757941A (en) * | 2021-09-16 | 2021-12-07 | 广东省智能家电研究院 | Universal identification electric control method, device and equipment for air conditioner and storage medium |
| TWI829735B (en) * | 2018-08-27 | 2024-01-21 | 加州政府沙加緬度市公用事業部 | Computer system, computer readable storage medium and method for analysis of data from smart meters |
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| CN112015116A (en) * | 2020-08-20 | 2020-12-01 | 国网天津市电力公司 | Load sensing method and device capable of collecting electric appliance fingerprints in multi-environment |
| CN112015116B (en) * | 2020-08-20 | 2024-03-29 | 国网天津市电力公司 | Load sensing method and device capable of collecting appliance fingerprints in multiple environments |
| CN113757941A (en) * | 2021-09-16 | 2021-12-07 | 广东省智能家电研究院 | Universal identification electric control method, device and equipment for air conditioner and storage medium |
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