CN103105528A - Electric power measurement device for network household appliances and electric power measurement method - Google Patents
Electric power measurement device for network household appliances and electric power measurement method Download PDFInfo
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- CN103105528A CN103105528A CN2011103511344A CN201110351134A CN103105528A CN 103105528 A CN103105528 A CN 103105528A CN 2011103511344 A CN2011103511344 A CN 2011103511344A CN 201110351134 A CN201110351134 A CN 201110351134A CN 103105528 A CN103105528 A CN 103105528A
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Abstract
The invention provides an electric power measurement device for network household appliances and an electric power measurement method. The electric power measurement device comprises an electric power measurement unit, an uplink communication unit, a main control unit and a power source management unit, wherein the electric power measurement unit is respectively connected with the main control unit and the network household appliances and used for supplying power to the network household appliances, and is used for measuring and storing electric power measurement information of the network household appliances. The uplink communication unit is connected with the main control unit and used for communicating with a home network, the power source management unit is used for obtaining the power source input of a mains supply and being converted to be used as a direct current power source which is needed by the electric power measurement device of the network household appliances, and is used for supplying power for the electric power measurement unit, the uplink communication unit and the main control unit. The main control unit manages the electric power measurement unit and the uplink communication unit, controls the uplink communication unit to obtain and inquire an instruction of electricity consumption information of the network household appliances from the home network, and feeds back the electric power measurement information of the network household appliances to the home network. The electric power measurement device for the network household appliances and the electric power measurement method can achieve monitoring of the energy consumption of the network household appliances.
Description
Technical field
The present invention relates to the network home appliance technical field, relate in particular to a kind of electric power meter for network home appliance and method.
Background technology
The National Development and Reform Commission has issued the network home appliance industry standard on Dec 17th, 2006: QB/T 2836-2006, network home appliance formally enter common people family.So-called network home appliance refers to: the household electronic products that realizes information interconnection and intercommunication or interoperability at family's net environment.Network home appliance has to operate in home network environment, network consisting appliance system together with home network.Network home appliance with can adopt following three kinds of forms being connected of home network, respectively as Fig. 1, Fig. 2, shown in Figure 3.Wherein structure shown in Figure 1 is used in the network home appliance with larger data flow, for example Web TV; Network home appliance for mainly carrying out remote inquiry and control by home network mainly adopts Fig. 2 or structure shown in Figure 3, such as network air-conditioner, refrigerator, washing machine etc.No matter adopt Fig. 2 or connection mode shown in Figure 3, the electrical control mainboard in communication module and household electrical appliances is all two standalone modules, adopts identical communications protocol, and just communication module is with respect to the physical location difference between the electrical control mainboard in household electrical appliances.
The interface shape of communication module and household electrical appliances side has been clearly four-wire system asynchronous serial communication mode in QB/T 2836-2006; Communication between communication module and home network can be adopted various ways, as power line carrier, modes such as micropower is wireless, Zigbee.
Based on the network household appliance system of existing communication module, realize the long-range shape monitoring to household electrical appliance, but just monitored the variation of form, do not widen the content of monitoring.Such as, can not realize that the classification electric energy metrical of household electrical appliance, consumer can not analyze power consumption and distribute, also just can not adjust targetedly consumption habit; Real-time power consumption situation that can not the requester network household electrical appliances also just can't be formulated electric energy usage policy targetedly; Existing communication module itself does not possess the control function yet, can not implement the closed loop power consumption control to household electrical appliance.
Along with going deep into of low-carbon energy-saving consciousness, the consumer is more and more stronger for the requirement of meticulous electricity consumption, rational utilization of electricity.Clever consumer will know that also the time of electric energy used distributes and the purposes distribution, to adjust consumption habit, using electricity wisely under the prerequisite that does not reduce power quality except the total electricity consumption that will know family; Electrical energy production and scheduling enterprise are also wished by guide consumption person rational utilization of electricity, improve load factor as far as possible, satisfy social production and the household electricity demand of same quality with electric energy production still less, improve national energy utilization rate.Reach above purpose prerequisite and be the meticulous metering to electric energy, do not know the operating position of electric energy, just can't formulate rational Energy Saving Strategy, more can't weigh what have been saved.
In conjunction with the present situation of present national grid ubiquity power tense and the theory of network home appliance, network home appliance power consumption situation is monitored and monitoring result is passed to corresponding administrative center in real time, as the foundation of formulating management of power use strategy, be necessary and feasible.
Summary of the invention
The embodiment of the present invention provides a kind of electric power meter for network home appliance and method, network home appliance power consumption situation is monitored realizing, its energy consumption measure result can and be formulated the foundation of management of power use strategy for inquiry as family and electric energy management department.
On the one hand, the embodiment of the present invention provides a kind of electric power meter for network home appliance, described electric power meter for network home appliance, comprise electric energy metrical unit, uplink communication unit, main control unit, Power Management Unit, wherein: described electric energy metrical unit, be connected with network home appliance with described main control unit respectively, be used for to described network home appliance power supply, the electric energy metrical information of measuring and preserving described network home appliance; Described uplink communication unit is connected with described main control unit, is used for carrying out communication with home network; Described Power Management Unit is used for obtaining mains supply and inputs and be converted to described for the required direct supply of the electric power meter of network home appliance, then respectively described electric energy metrical unit, the described main control unit in described uplink communication unit is powered; Described main control unit, be used for managing described electric energy metrical unit and described uplink communication unit, control described uplink communication unit and obtain the instruction of the power information of inquiring about described network home appliance and the electric energy metrical information of described network home appliance is fed back to this home network from home network.
Optionally, in one embodiment of this invention, described electric power meter for network home appliance also comprises the downgoing communication unit, and described downgoing communication unit is connected with described main control unit, is used for carrying out communication with described network home appliance; Described main control unit, also be used for managing described downgoing communication unit, the instruction that receives described home network also judges, if should be processed by described network home appliance, be forwarded to described home network by described downgoing communication unit forwards, and with the result of described network home appliance.
Optionally, in one embodiment of this invention, described downgoing communication unit is used for adopting four-wire system communication signal and described network home appliance to carry out communication.
Optionally, in one embodiment of this invention, described main control unit, described electric energy metrical unit and described downgoing communication unit are realized by microprocessor PM-8000.
Optionally, in one embodiment of this invention, described Power Management Unit directly adopts existing 12V direct supply on the control mainboard of described network home appliance, perhaps obtains the 12V direct supply through overcommutation, filtering voltage regulation by transformer again after with the step-down of 220V civil power.
Optionally, in one embodiment of this invention, described uplink communication unit is used for carrying out communication by micro-power wireless communication or purple honeybee Zigbee or power line carrier and described home network.
Optionally, in one embodiment of this invention, operating voltage and the electric current of described network home appliance measured respectively in described electric energy metrical unit, the electric energy metrical information of then calculating and preserving described network home appliance comprises: real-time working voltage, electric current, power, day power consumption, monthly consumption, season power consumption and year power consumption.
On the other hand, the embodiment of the present invention provides a kind of electric energy gauging method for network home appliance, described method is applied to the electric power meter of network home appliance, this device comprises electric energy metrical unit, uplink communication unit, main control unit, Power Management Unit, described method comprises: utilize described Power Management Unit to obtain mains supply and input and be converted to described for the required direct supply of the electric power meter of network home appliance, then respectively described electric energy metrical unit, the described main control unit in described uplink communication unit are powered; The electric energy metrical information of utilizing described electric energy metrical unit to measure and preserve described network home appliance; Utilize described uplink communication unit and home network to carry out communication; Utilize described main control unit management described electric energy metrical unit and described uplink communication unit, controls described uplink communication unit and obtain the instruction of the power information of inquiring about described network home appliance and the electric energy metrical information of described network home appliance is fed back to this home network from home network.
Optionally, in one embodiment of this invention, described electric power meter for network home appliance also comprises the downgoing communication unit, and described method also comprises: utilize described downgoing communication unit and described network home appliance to carry out communication; Utilize the described main control unit described downgoing communication of management unit, receive the instruction of described home network and judge, if should be processed by described network home appliance, by described downgoing communication unit forwards, and the result of described network home appliance is forwarded to described home network.
Optionally, in one embodiment of this invention, described described uplink communication unit and the home network of utilizing carries out communication, comprising: utilize described downgoing communication unit to be used for adopting four-wire system communication signal and described network home appliance to carry out communication.
Optionally, in one embodiment of this invention, described main control unit, described electric energy metrical unit and described downgoing communication unit are realized by microprocessor PM-8000.
Optionally, in one embodiment of this invention, utilize described Power Management Unit directly to adopt existing 12V direct supply on the control mainboard of described network home appliance, perhaps obtain the 12V direct supply through overcommutation, filtering voltage regulation by transformer again after with the step-down of 220V civil power.
Optionally, in one embodiment of this invention, described described uplink communication unit and the home network of utilizing carries out communication, comprising: utilize described uplink communication unit to be used for carrying out communication by micro-power wireless communication or purple honeybee Zigbee or power line carrier and described home network.
Optionally, in one embodiment of this invention, the described electric energy metrical information of utilizing described electric energy metrical unit to measure and preserve described network home appliance, comprise: utilize described electric energy metrical unit to measure respectively operating voltage and the electric current of described network home appliance, the electric energy metrical information of then calculating and preserving described network home appliance comprises: real-time working voltage, electric current, power, day power consumption, monthly consumption, season power consumption and year power consumption.
technique scheme has following beneficial effect: the embodiment of the present invention combines electric energy metrical and the communication function of network home appliance, remote monitoring center is by the household electrical appliance of home gateway to each networking, except carrying out original duty inquiry and operating control, but the electric energy metrical information of real-time query household electrical appliance also, comprise: real-time working voltage, electric current, power, power factor, day power consumption, monthly consumption, season power consumption and year power consumption etc., do not need the software and hardware of network home appliance own to make any modification and expand these functions.The embodiment of the present invention can also receive steering order and network home appliance be implemented energy consumption control by home gateway, responsible this electric power meter of electric energy management department is implemented network home appliance energy management policy, for reasonable arrangement electrical energy production and scheduling provide information support and enforcement means.
Description of drawings
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, the below will do to introduce simply to the accompanying drawing of required use in embodiment or description of the Prior Art, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is network home appliance integral structure schematic diagram;
Fig. 2 is the built-in communication module formula of network home appliance structural representation;
Fig. 3 is the external communication module formula of network home appliance structural representation;
Fig. 4 is a kind of electric power meter structural representation for network home appliance of the embodiment of the present invention;
Fig. 5 is the electric power meter structural representation that the present invention's the first application example is used for network home appliance;
Fig. 6 is the electric power meter structural representation that the present invention's the second application example is used for network home appliance.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, rather than whole embodiment.Based on the embodiment in the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that obtains under the creative work prerequisite.
As shown in Figure 4, be a kind of electric power meter structural representation for network home appliance of the embodiment of the present invention, described electric power meter 41 for network home appliance, comprise electric energy metrical unit 411, uplink communication unit 412, main control unit 413, Power Management Unit 414, wherein: described electric energy metrical unit 411, be connected with network home appliance with described main control unit 413 respectively, be used for to described network home appliance power supply, the electric energy metrical information of measuring and preserving described network home appliance; Described uplink communication unit 412 is connected with described main control unit 413, is used for carrying out communication with home network; Described Power Management Unit 414, be used for obtaining mains supply and input and be converted to described for the required direct supply of the electric power meter of network home appliance, then respectively described electric energy metrical unit 411, described uplink communication unit 412 described main control units 413 are powered; Described main control unit 413, be used for managing described electric energy metrical unit 411 and described uplink communication unit 412, control described uplink communication unit 412 and obtain the instruction of the power information of inquiring about described network home appliance and the electric energy metrical information of described network home appliance is fed back to this home network from home network.
As shown in Figure 5, be that the present invention's the first application example is used for the electric power meter structural representation of network home appliance, this device 51 comprises electric energy metrical unit 511, uplink communication unit 512, main control unit 513, Power Management Unit 514, downgoing communication unit 515; As shown in Figure 6, be that the present invention's the second application example is used for the electric power meter structural representation of network home appliance, this device 61 comprises electric energy metrical unit 611, uplink communication unit 612, main control unit 613, Power Management Unit 614, downgoing communication unit 615.Preferably, described electric power meter for network home appliance also comprises downgoing communication unit (referring to 615 in 515 and Fig. 6 of Fig. 5), and described downgoing communication unit is connected with described main control unit, is used for carrying out communication with described network home appliance; Described main control unit, also be used for managing described downgoing communication unit, the instruction that receives described home network also judges, if should be processed by described network home appliance, be forwarded to described home network by described downgoing communication unit forwards, and with the result of described network home appliance.As shown in Figure 5, described downgoing communication unit 515 is used for adopting four-wire system communication signal and described network home appliance to carry out communication.Optionally, as shown in Figure 5, described Power Management Unit 514 obtains the 12V direct supply through overcommutation, filtering voltage regulation by transformer after with the step-down of 220V civil power again, perhaps as shown in Figure 6, described Power Management Unit 614 directly adopts existing 12V direct supply on the control mainboard of described network home appliance.Optionally, described main control unit, described electric energy metrical unit and described downgoing communication unit are realized by microprocessor PM-8000.Optionally, as shown in Figure 5, described uplink communication unit is used for carrying out communication by micro-power wireless communication or purple honeybee Zigbee and described home network; As shown in Figure 6, described uplink communication unit is used for carrying out communication by power line carrier and described home network.Optionally, operating voltage and the electric current of described network home appliance measured respectively in described electric energy metrical unit, the electric energy metrical information of then calculating and preserving described network home appliance comprises: real-time working voltage, electric current, power, day power consumption, monthly consumption, season power consumption and year power consumption.
Corresponding to said apparatus embodiment, the embodiment of the present invention also provides a kind of electric energy gauging method for network home appliance, described method is applied to the electric power meter of above-mentioned network home appliance, this device comprises electric energy metrical unit, uplink communication unit, main control unit, Power Management Unit, described method comprises: utilize described Power Management Unit to obtain mains supply and input and be converted to described for the required direct supply of the electric power meter of network home appliance, then respectively described electric energy metrical unit, the described main control unit in described uplink communication unit are powered; The electric energy metrical information of utilizing described electric energy metrical unit to measure and preserve described network home appliance; Utilize described uplink communication unit and home network to carry out communication; Utilize described main control unit management described electric energy metrical unit and described uplink communication unit, controls described uplink communication unit and obtain the instruction of the power information of inquiring about described network home appliance and the electric energy metrical information of described network home appliance is fed back to this home network from home network.
Optionally, in one embodiment of this invention, described electric power meter for network home appliance also comprises the downgoing communication unit, and described method also comprises: utilize described downgoing communication unit and described network home appliance to carry out communication; Utilize the described main control unit described downgoing communication of management unit, receive the instruction of described home network and judge, if should be processed by described network home appliance, by described downgoing communication unit forwards, and the result of described network home appliance is forwarded to described home network.
Optionally, in one embodiment of this invention, described described uplink communication unit and the home network of utilizing carries out communication, comprising: utilize described downgoing communication unit to be used for adopting four-wire system communication signal and described network home appliance to carry out communication.
Optionally, in one embodiment of this invention, described main control unit, described electric energy metrical unit and described downgoing communication unit are realized by microprocessor PM-8000.
Optionally, in one embodiment of this invention, utilize described Power Management Unit directly to adopt existing 12V direct supply on the control mainboard of described network home appliance, perhaps obtain the 12V direct supply through overcommutation, filtering voltage regulation by transformer again after with the step-down of 220V civil power.
Optionally, in one embodiment of this invention, described described uplink communication unit and the home network of utilizing carries out communication, comprising: utilize described uplink communication unit to be used for carrying out communication by micro-power wireless communication or purple honeybee Zigbee or power line carrier and described home network.
Optionally, in one embodiment of this invention, the described electric energy metrical information of utilizing described electric energy metrical unit to measure and preserve described network home appliance, comprise: utilize described electric energy metrical unit to measure respectively operating voltage and the electric current of described network home appliance, the electric energy metrical information of then calculating and preserving described network home appliance comprises: real-time working voltage, electric current, power, day power consumption, monthly consumption, season power consumption and year power consumption.
Application example of the present invention can adopt up-to-date SOC (System on a Chip, system level chip) technology, select the microprocessor PM-8000 of integrated electric energy metrology applications as the master control kernel, realized the function of main control unit, electric energy metrical unit and downgoing communication unit in uniprocessor.The Deep integrating of chip makes functions such as realizing electric energy metrical in the range of size of existing module become possibility.
Operating voltage and the electric current of household electrical appliances measured respectively in the electric energy metrical unit, then calculates its actual power consumption.Due to operating voltage relatively stable (220V), narrow through the dynamic range of signals of voltage transformer (VT) output, 16bit A/D passage directly gathers voltage signal can satisfy the measuring accuracy requirement; With respect to the voltage measurement passage, the dynamic range of signals of electric current measurement channel is larger, adopts PM-8000 automatic gain analog input channel, can obviously improve signal to noise ratio (S/N ratio).
The universal asynchronous serial interface that descending GU Generic Unit directly utilizes PM-8000 to carry in order to improve the security of electric power meter, has increased the photoelectric coupling buffer circuit in communication link.
Assembly can be selected according to the agreement that the home gateway downstream interface adopts in the uplink communication unit, and the satiable agreement of this programme comprises: micro-power wireless communication, Zigbee (purple honeybee), power line carrier etc.
Application example of the present invention can adopt the 12V DC power supply, and total power consumption electric current is less than 100mA.Power Management Unit can be taked two schemes: a kind of is directly to adopt the existing 12V power supply of household electrical appliances master control borad, can reduce the electric power meter cost; Another kind is to obtain the 12V direct supply through overcommutation, filtering voltage regulation by transformer again after with the step-down of 220V civil power, and this scheme is suitable for the household electrical appliances main control board without the output of 12V direct supply, or possesses 12V output but can not increase loaded situation again.
The below is applied as example with application example of the present invention in network air-conditioner, its course of work is described.
The first step, power-on of air conditioner according to the automatic finishing equipment registration of network home appliance networking agreement, makes air-conditioning can accept the management of home gateway;
Second step, electric energy metrical unit are started working, and calculate and preserve real-time working voltage, electric current, power, day power consumption, monthly consumption, season power consumption and the power information such as year power consumption;
In the 3rd step, by home gateway panel or remote terminal, the air-conditioning shape is carried out status poll and Working mode set.At first decision instruction content of application example of the present invention, if should be processed by air-conditioning, application example of the present invention directly forwards instruction air-conditioning mainboard controller; If the power information of searching air conditioner, application example of the present invention directly returns to corresponding required result to home gateway.If this air-conditioning is the controlled subsidy air-conditioning signing with power supply department, and the instruction that application example of the present invention is received is air conditioner load restriction instruction, force the running status of air-conditioning is limited in the running status of power supply department restriction with interior (such as design temperature is not less than 26 degrees centigrade), until receive the instruction that lifts restrictions;
The beneficial effect that application example technical scheme of the present invention is brought: application example of the present invention combines electric energy metrical and the communication function of network home appliance, remote monitoring center is by the household electrical appliance of home gateway to each networking, except can carrying out original duty inquiry and operation control, also can bring following beneficial effect:
1. realized the independent Electro-metering in real time of household electrical appliance, for family's rational utilization of electricity provides decision-making and assessment foundation.After adopting application example of the present invention, the power information that the user can inquire network home appliance comprises: real-time working voltage, electric current, power, day power consumption, monthly consumption, season power consumption and year power consumption etc.; The user can analyze the key link that can realize using electricity wisely according to above information.
2. responsible application example of the present invention is implemented network home appliance energy management policy, for electric energy management department's reasonable arrangement electrical energy production and scheduling provide information support and enforcement means.Utilize the electric energy metrical information of networking household electrical appliances, the electric energy management department guide consumption person rational utilization of electricity of can taking measures makes electrical energy production and consumption more harmonious, and for example: implement real-time time-of-use tariffs, settle accounts in real time the electric energy consumption amount, guide consumption the person use electricity in off-peak hours; Implement network home appliance classification electricity price, the illuminator of living necessary is implemented low electricity price, the luxurious using electricity system such as air-conditioning, heating is implemented high electricity price, this Electricity Price Strategy especially can be to the hotel, promote in hotel's equal energy source waste serious place; Implement the controlled subsidy plan of household electrical appliances, electricity consumption Rush Hour in the zone allows power supply enterprise to limit signing household electrical appliances by Long-distance Control and uses, and to improve regional power budget rate, reduces useless electric weight, realizes energy-saving and emission-reduction.
Those skilled in the art can also recognize the various illustrative components, blocks (illustrative logical block) that the embodiment of the present invention is listed, the unit, and step can pass through electronic hardware, computer software, or both combinations realize.Be the clear replaceability (interchangeability) of showing hardware and software, above-mentioned various illustrative components (illustrative components), unit and step have been described their function generally.Such function is to realize depending on the designing requirement of specific application and whole system by hardware or software.Those skilled in the art can be for every kind of specific application, and can make ins all sorts of ways realizes described function, but this realization should not be understood to exceed the scope of embodiment of the present invention protection.
Various illustrative logical block described in the embodiment of the present invention, or the unit can pass through general processor, digital signal processor, special IC (ASIC), field programmable gate array (FPGA) or other programmable logic device, discrete gate or transistor logic, discrete hardware components, or the design of above-mentioned any combination realizes or operates described function.General processor can be microprocessor, and alternatively, this general processor also can be any traditional processor, controller, microcontroller or state machine.Processor also can realize by the combination of calculation element, for example digital signal processor and microprocessor, multi-microprocessor, Digital Signal Processor Core of one or more microprocessors associating, or any other similarly configuration realize.
Method described in the embodiment of the present invention or the step of algorithm can directly embed hardware, the software module of processor execution or the two combination.Software module can be stored in the storage medium of other arbitrary form in RAM storer, flash memory, ROM storer, eprom memory, eeprom memory, register, hard disk, moveable magnetic disc, CD-ROM or this area.Exemplarily, storage medium can be connected with processor so that processor can be from storage medium reading information, and can deposit write information to storage medium.Alternatively, storage medium can also be integrated in processor.Processor and storage medium can be arranged in ASIC, and ASIC can be arranged in user terminal.Alternatively, processor and storage medium also can be arranged in different parts in user terminal.
In one or more exemplary designs, the described above-mentioned functions of the embodiment of the present invention can realize in hardware, software, firmware or this three's combination in any.If realize in software, these functions can be stored on medium with computer-readable, or are transmitted on the medium of computer-readable with one or more instructions or code form.The computer-readable medium comprises the computer storage medium and is convenient to make allows computer program transfer to other local telecommunication media from a place.Storage medium can be the useable medium that any general or special computer can access.For example, such computer readable media can include but not limited to RAM, ROM, EEPROM, CD-ROM or other optical disc storage, disk storage or other magnetic storage device, or other anyly can be used for carrying or storage and can be read by general or special computer or general or special processor the medium of the program code of form with instruction or data structure and other.In addition, any connection can suitably be defined as the computer-readable medium, for example, if software is by a concentric cable, optical fiber computer, twisted-pair feeder, Digital Subscriber Line (DSL) or also being comprised in defined computer-readable medium with wireless way for transmittings such as infrared, wireless and microwave from a web-site, server or other remote resource.Described video disc (disk) and disk (disc) comprise Zip disk, radium-shine dish, CD, DVD, floppy disk and Blu-ray Disc, and disk is usually with the magnetic duplication data, and video disc carries out the optical reproduction data with laser usually.Above-mentioned combination also can be included in the computer-readable medium.
Above-described embodiment; purpose of the present invention, technical scheme and beneficial effect are further described; institute is understood that; the above is only the specific embodiment of the present invention; the protection domain that is not intended to limit the present invention; within the spirit and principles in the present invention all, any modification of making, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (14)
1. an electric power meter that is used for network home appliance, is characterized in that, described electric power meter for network home appliance comprises electric energy metrical unit, uplink communication unit, main control unit, Power Management Unit, wherein:
Described electric energy metrical unit is connected with network home appliance with described main control unit respectively, is used for to described network home appliance power supply, the electric energy metrical information of measuring and preserving described network home appliance;
Described uplink communication unit is connected with described main control unit, is used for carrying out communication with home network;
Described Power Management Unit is used for obtaining mains supply and inputs and be converted to described for the required direct supply of the electric power meter of network home appliance, then respectively described electric energy metrical unit, the described main control unit in described uplink communication unit is powered;
Described main control unit, be used for managing described electric energy metrical unit and described uplink communication unit, control described uplink communication unit and obtain the instruction of the power information of inquiring about described network home appliance and the electric energy metrical information of described network home appliance is fed back to this home network from home network.
2. be used for as claimed in claim 1 the electric power meter of network home appliance, it is characterized in that, described electric power meter for network home appliance also comprises the downgoing communication unit,
Described downgoing communication unit is connected with described main control unit, is used for carrying out communication with described network home appliance;
Described main control unit, also be used for managing described downgoing communication unit, the instruction that receives described home network also judges, if should be processed by described network home appliance, be forwarded to described home network by described downgoing communication unit forwards, and with the result of described network home appliance.
3. be used for as claimed in claim 2 the electric power meter of network home appliance, it is characterized in that, described downgoing communication unit is used for adopting four-wire system communication signal and described network home appliance to carry out communication.
4. be used for as claimed in claim 2 the electric power meter of network home appliance, it is characterized in that, described main control unit, described electric energy metrical unit and described downgoing communication unit are realized by microprocessor PM-8000.
5. be used for as claimed in claim 1 the electric power meter of network home appliance, it is characterized in that, described Power Management Unit directly adopts existing 12V direct supply on the control mainboard of described network home appliance, perhaps obtains the 12V direct supply through overcommutation, filtering voltage regulation by transformer again after with the step-down of 220V civil power.
6. be used for as claimed in claim 1 the electric power meter of network home appliance, it is characterized in that, described uplink communication unit is used for carrying out communication by micro-power wireless communication or purple honeybee Zigbee or power line carrier and described home network.
7. be used for as claimed in claim 1 the electric power meter of network home appliance, it is characterized in that, operating voltage and the electric current of described network home appliance measured respectively in described electric energy metrical unit, the electric energy metrical information of then calculating and preserving described network home appliance comprises: real-time working voltage, electric current, power, day power consumption, monthly consumption, season power consumption and year power consumption.
8. an electric energy gauging method that is used for network home appliance, is characterized in that, described method is applied to the electric power meter of network home appliance, and this device comprises electric energy metrical unit, uplink communication unit, main control unit, Power Management Unit, and described method comprises:
Utilize described Power Management Unit to obtain mains supply and input and be converted to described for the required direct supply of the electric power meter of network home appliance, then respectively described electric energy metrical unit, the described main control unit in described uplink communication unit are powered;
The electric energy metrical information of utilizing described electric energy metrical unit to measure and preserve described network home appliance;
Utilize described uplink communication unit and home network to carry out communication;
Utilize described main control unit management described electric energy metrical unit and described uplink communication unit, controls described uplink communication unit and obtain the instruction of the power information of inquiring about described network home appliance and the electric energy metrical information of described network home appliance is fed back to this home network from home network.
9. be used for as claimed in claim 8 the electric energy gauging method of network home appliance, it is characterized in that, described electric power meter for network home appliance also comprises the downgoing communication unit, and described method also comprises:
Utilize described downgoing communication unit and described network home appliance to carry out communication;
Utilize the described main control unit described downgoing communication of management unit, receive the instruction of described home network and judge, if should be processed by described network home appliance, by described downgoing communication unit forwards, and the result of described network home appliance is forwarded to described home network.
10. be used for as claimed in claim 9 the electric energy gauging method of network home appliance, it is characterized in that, described described uplink communication unit and the home network of utilizing carries out communication, comprising:
Utilize described downgoing communication unit to be used for adopting four-wire system communication signal and described network home appliance to carry out communication.
11. be used for as claimed in claim 9 the electric energy gauging method of network home appliance, it is characterized in that, described main control unit, described electric energy metrical unit and described downgoing communication unit are realized by microprocessor PM-8000.
12. be used for as claimed in claim 8 the electric energy gauging method of network home appliance, it is characterized in that,
Utilize described Power Management Unit directly to adopt existing 12V direct supply on the control mainboard of described network home appliance, perhaps obtain the 12V direct supply through overcommutation, filtering voltage regulation by transformer again after with the step-down of 220V civil power.
13. be used for as claimed in claim 8 the electric energy gauging method of network home appliance, it is characterized in that, described described uplink communication unit and the home network of utilizing carries out communication, comprising:
Utilize described uplink communication unit to be used for carrying out communication by micro-power wireless communication or purple honeybee Zigbee or power line carrier and described home network.
14. be used for as claimed in claim 8 the electric energy gauging method of network home appliance, it is characterized in that, the described electric energy metrical information of utilizing described electric energy metrical unit to measure and preserve described network home appliance comprises:
Utilize described electric energy metrical unit to measure respectively operating voltage and the electric current of described network home appliance, the electric energy metrical information of then calculating and preserving described network home appliance comprises: real-time working voltage, electric current, power, day power consumption, monthly consumption, season power consumption and year power consumption.
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Application publication date: 20130515 |