CN104879900A - Monitoring method, device and set of air conditioner - Google Patents
Monitoring method, device and set of air conditioner Download PDFInfo
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- CN104879900A CN104879900A CN201510314133.0A CN201510314133A CN104879900A CN 104879900 A CN104879900 A CN 104879900A CN 201510314133 A CN201510314133 A CN 201510314133A CN 104879900 A CN104879900 A CN 104879900A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
- F24F11/46—Improving electric energy efficiency or saving
- F24F11/47—Responding to energy costs
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- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
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- Air Conditioning Control Device (AREA)
Abstract
The invention discloses a monitoring method, device and set of an air conditioner. The monitoring method includes: acquiring voltage and current signals of a power transmission line externally connected with the air conditioner; subjecting the voltage and current signals to digital signal sampling so as to obtain sampling voltage and sampling current; based on the sampling voltage and sampling current, counting power consumption of the air conditioner and real-time power thereof. The technical problem that monitoring of power consumption of the air conditioner is low in efficiency is solved.
Description
Technical field
The present invention relates to field of air conditioning, in particular to a kind of method, device and equipment of monitoring air-conditioning.
Background technology
Along with the generally use of air-conditioning, the electricity consumption situation of air-conditioning has also caused the more concern of user, particularly use peak period at the air-conditioning in summer, season in winter two, how in real time, the electricity consumption situation of air-conditioning accurately and is easily understood, make user can adjust use habit or the routine use time of air-conditioning accordingly, become more important for user.
Traditional air conditioning electricity condition monitoring relies on Domestic electric meter or the special ammeter of air-conditioning, and Domestic electric meter or the special ammeter of air-conditioning are arranged on the outer connection electric transmission line of air-conditioning, and the electricity consumption situation understanding air-conditioning all needs people for tabling look-up.But for average family, what Domestic electric meter generally reflected is comprise the loaded overall electricity consumption situations such as air-conditioning, refrigerator, television set, washing machine, electric light, and cannot reflect separately the electricity consumption situation of air-conditioning.The standby special ammeter of air-conditioning of allotment if it is empty, although by the electricity consumption situation of air-conditioning special ammeter reflection air-conditioning, can install office or the home environment of multiple stage air-conditioning, then needing for every platform air-conditioning is equipped with ammeter.So not only Expenses Cost, and to add people be the workload of tabling look-up.Therefore, there is the problem that air conditioning electricity monitoring efficiency is lower in prior art.
For above-mentioned problem, at present effective solution is not yet proposed.
Summary of the invention
Embodiments provide a kind of method, device and equipment of monitoring air-conditioning, at least to solve the lower technical problem of air conditioning electricity monitoring efficiency.
According to an aspect of the embodiment of the present invention, provide a kind of method of monitoring air-conditioning, comprising: obtain the voltage signal on the transmission line of electricity of air-conditioner external and current signal; Respectively digital signal samples is carried out to above-mentioned voltage signal and above-mentioned current signal, obtain sampled voltage and sample rate current; Power consumption and the realtime power of above-mentioned air-conditioning is added up based on above-mentioned sampled voltage and above-mentioned sample rate current.
Further, respectively digital signal samples is being carried out to above-mentioned voltage signal and above-mentioned current signal, after obtaining sampled voltage and sample rate current, said method also comprises: based on above-mentioned sampled voltage and above-mentioned sample rate current detect above-mentioned air-conditioning whether occur to leak electricity abnormal, overload exception and short circuit abnormal in one of at least; Wherein, if detect there is above-mentioned electric leakage exception and/or above-mentioned short circuit exception in above-mentioned air-conditioning, generates trip signal; It is abnormal if detect there is above-mentioned overload in above-mentioned air-conditioning, generates overload signal.
Further, after the power consumption adding up above-mentioned air-conditioning based on above-mentioned sampled voltage and above-mentioned sample rate current and power, said method also comprises: export the power consumption of above-mentioned air-conditioning, above-mentioned realtime power, above-mentioned trip signal and above-mentioned overload signal by communication interface.
Further, the power consumption of above-mentioned air-conditioning is added up based on above-mentioned sampled voltage and above-mentioned sample rate current and power comprises: power calculation is carried out to above-mentioned sampled voltage and above-mentioned sample rate current, obtains the realtime power of above-mentioned air-conditioning in current collection period; First power consumption of above-mentioned air-conditioning in current collection period is determined based on the above-mentioned realtime power of above-mentioned air-conditioning in above-mentioned current collection period; Read second power consumption of above-mentioned air-conditioning at history collection period; Add up above-mentioned first power consumption and above-mentioned second power consumption, obtain the power consumption of above-mentioned air-conditioning.
Further, the power consumption of above-mentioned air-conditioning is added up based on above-mentioned sampled voltage and above-mentioned sample rate current and realtime power comprises: the type judging the transmission line of electricity of above-mentioned air-conditioner external; According to the type of above-mentioned transmission line of electricity, corresponding computation chip is set on above-mentioned transmission line of electricity, to be added up power consumption and the realtime power of above-mentioned air-conditioning based on above-mentioned sampled voltage and above-mentioned sample rate current by above-mentioned computation chip, wherein, the type of above-mentioned transmission line of electricity comprises single-phase power transmission line and three phase line.
According to the another aspect of the embodiment of the present invention, additionally provide a kind of device of monitoring air-conditioning, comprising: acquisition module, the voltage signal on the transmission line of electricity obtaining air-conditioner external and current signal; Sampling module, for carrying out digital signal samples to above-mentioned voltage signal and above-mentioned current signal respectively, obtains sampled voltage and sample rate current; Statistical module, for adding up power consumption and the realtime power of above-mentioned air-conditioning based on above-mentioned sampled voltage and above-mentioned sample rate current.
According to the another aspect of the embodiment of the present invention, additionally provide a kind of equipment of monitoring air-conditioning, comprising: signal acquisition circuit, the voltage signal on the transmission line of electricity obtaining air-conditioner external and current signal; Sample circuit, is connected with above-mentioned signal acquisition circuit, for carrying out digital signal samples to above-mentioned voltage signal and above-mentioned current signal respectively, obtains sampled voltage and sample rate current; Data processing unit, is connected with above-mentioned sample circuit, for adding up power consumption and the realtime power of above-mentioned air-conditioning based on above-mentioned sampled voltage and above-mentioned sample rate current.
Further, the said equipment also comprises: protection circuit, be connected with above-mentioned sample circuit, for carrying out digital signal samples to above-mentioned voltage signal and above-mentioned current signal respectively, after obtaining sampled voltage and sample rate current, based on above-mentioned sampled voltage and above-mentioned sample rate current detect above-mentioned air-conditioning whether occur to leak electricity abnormal, overload exception and short circuit abnormal in one of at least; Controller, is connected with above-mentioned protection circuit, if for detecting that above-mentioned electric leakage exception and/or above-mentioned short circuit exception occur above-mentioned air-conditioning, generate trip signal; If or it is abnormal to detect that above-mentioned overload occurs above-mentioned air-conditioning, generate overload signal, above-mentioned controller is also connected with above-mentioned data processing unit, for obtaining the power consumption of above-mentioned air-conditioning and above-mentioned realtime power.
Further, the said equipment also comprises: communication interface, be connected with above-mentioned controller, for after the power consumption adding up above-mentioned air-conditioning based on above-mentioned sampled voltage and above-mentioned sample rate current and power, export the power consumption of above-mentioned air-conditioning, above-mentioned realtime power, above-mentioned trip signal and above-mentioned overload signal.
Further, above-mentioned signal acquisition circuit comprises: sampling resistor, is connected with the transmission line of electricity of above-mentioned air-conditioner external, the voltage signal on the transmission line of electricity gathering above-mentioned air-conditioner external and current signal, wherein, the voltage signal collected and current signal are analog signal; Signal processor, is connected with above-mentioned sampling resistor, for the above-mentioned voltage signal that collects and current signal being converted to voltage signal and the current signal of numeral.
Further, above-mentioned sample circuit comprises: sampling A/D chip, for carrying out digital signal samples to above-mentioned voltage signal and above-mentioned current signal respectively, obtains sampled voltage and sample rate current; Above-mentioned data processing unit comprises: charging chip, is connected with above-mentioned sampling A/D chip, for carrying out power calculation to above-mentioned sampled voltage and above-mentioned sample rate current, obtains the realtime power of above-mentioned air-conditioning in current collection period; First power consumption of above-mentioned air-conditioning in current collection period is determined based on the above-mentioned realtime power of above-mentioned air-conditioning in above-mentioned current collection period; Read second power consumption of above-mentioned air-conditioning at history collection period; Add up above-mentioned first power consumption and above-mentioned second power consumption, obtain the power consumption of above-mentioned air-conditioning.
Further, the said equipment also comprises: line bank, be connected with the transmission line of electricity of above-mentioned air-conditioner external and above-mentioned signal acquisition circuit, above-mentioned line bank comprises: single-phase line bank and three-phase line bank, above-mentioned single-phase line bank is for connecting single-phase power transmission line, and above-mentioned three-phase line bank is for connecting three phase line.
Further, the said equipment also comprises: isolation voltage transformation unit, is connected between above-mentioned sample circuit and above-mentioned data processing unit, for isolating the noise that above-mentioned sample circuit and above-mentioned data processing unit carry out when data are transmitted.
In embodiments of the present invention, the voltage signal on the transmission line of electricity obtaining air-conditioner external and current signal is adopted; And by carrying out digital signal samples to voltage signal and described current signal, obtain sampled voltage and sample rate current; Power consumption and the realtime power of described air-conditioning is added up further based on described sampled voltage and described sample rate current; Reach in real time, monitor the object of air conditioning electricity situation accurately, solve the technical problem that air conditioning electricity monitoring efficiency is lower.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide a further understanding of the present invention, and form a application's part, schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the flow chart of the method for a kind of optional monitoring air-conditioning according to the embodiment of the present invention;
Fig. 2 is the flow chart of optionally monitoring the method for air-conditioning according to the another kind of the embodiment of the present invention;
Fig. 3 is the third the optional flow chart of monitoring the method for air-conditioning according to the embodiment of the present invention;
Fig. 4 is the schematic diagram of the device of a kind of optional monitoring air-conditioning according to the embodiment of the present invention;
Fig. 5 is the schematic diagram of the equipment of a kind of optional monitoring air-conditioning according to the embodiment of the present invention;
Fig. 6 is the schematic diagram of optionally monitoring the equipment of air-conditioning according to the another kind of the embodiment of the present invention;
Fig. 7 is the third the optional schematic diagram of monitoring the equipment of air-conditioning according to the embodiment of the present invention;
Fig. 8 is the 4th kind of optional schematic diagram of monitoring the equipment of air-conditioning according to the embodiment of the present invention;
Fig. 9 is the 5th kind of optional schematic diagram of monitoring the equipment of air-conditioning according to the embodiment of the present invention;
Figure 10 is the 6th kind of optional schematic diagram of monitoring the equipment of air-conditioning according to the embodiment of the present invention;
Figure 11 is the 7th kind of optional schematic diagram of monitoring the equipment of air-conditioning according to the embodiment of the present invention;
Figure 12 is the 8th kind of optional schematic diagram of monitoring the equipment of air-conditioning according to the embodiment of the present invention;
Figure 13 is the 9th kind of optional schematic diagram of monitoring the equipment of air-conditioning according to the embodiment of the present invention;
Figure 14 is the tenth kind of optional schematic diagram of monitoring the equipment of air-conditioning according to the embodiment of the present invention;
Figure 15 is the schematic flow sheet of the method for a kind of optional monitoring air-conditioning according to the embodiment of the present invention;
Figure 16 is the schematic flow sheet of optionally monitoring the method for air-conditioning according to the another kind of the embodiment of the present invention.
Detailed description of the invention
The present invention program is understood better in order to make those skilled in the art person, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the embodiment of a part of the present invention, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, should belong to the scope of protection of the invention.
It should be noted that, term " first ", " second " etc. in description of the present invention and claims and above-mentioned accompanying drawing are for distinguishing similar object, and need not be used for describing specific order or precedence.Should be appreciated that the data used like this can be exchanged in the appropriate case, so as embodiments of the invention described herein can with except here diagram or describe those except order implement.In addition, term " comprises " and " having " and their any distortion, intention is to cover not exclusive comprising, such as, contain those steps or unit that the process of series of steps or unit, method, system, product or equipment is not necessarily limited to clearly list, but can comprise clearly do not list or for intrinsic other step of these processes, method, product or equipment or unit.
Embodiment 1
According to the embodiment of the present invention, provide a kind of embodiment of monitoring the method for air-conditioning, it should be noted that, can perform in the computer system of such as one group of computer executable instructions in the step shown in the flow chart of accompanying drawing, and, although show logical order in flow charts, in some cases, can be different from the step shown or described by order execution herein.
Fig. 1 is the flow chart of the method for a kind of optional monitoring air-conditioning according to the embodiment of the present invention, and as shown in Figure 1, the method comprises the steps:
Step S102, obtains the voltage signal on the transmission line of electricity of air-conditioner external and current signal;
Step S104, carries out digital signal samples to voltage signal and current signal respectively, obtains sampled voltage and sample rate current;
Step S106, adds up power consumption and the realtime power of air-conditioning based on sampled voltage and sample rate current.
In embodiments of the present invention, the voltage signal on the transmission line of electricity obtaining air-conditioner external and current signal is adopted; And by carrying out digital signal samples to voltage signal and current signal, obtain sampled voltage and sample rate current; Power consumption and the realtime power of air-conditioning is added up further based on sampled voltage and sample rate current; Reach in real time, monitor the object of air conditioning electricity situation accurately, solve the technical problem that air conditioning electricity monitoring efficiency is lower.
Alternatively, the transmission line of electricity of air-conditioner external can be single-phase power transmission line or three phase line, and such as, the external transmission line of electricity of domestic air conditioning is single-phase power transmission line, and the transmission line of electricity of the air-conditioner external installed in industrial building or workshop is three phase line.
Alternatively, current signal can be obtained by the mode arranging sampling resistor on the transmission line of electricity of air-conditioner external.
Alternatively, can be completed by the data processing chip that air-conditioning is built-in based on sampled voltage and the sample rate current statistics power consumption of air-conditioning and realtime power.
Alternatively, respectively digital signal samples is being carried out to voltage signal and current signal, after obtaining sampled voltage and sample rate current, method also comprises: based on sampled voltage and sample rate current detect air-conditioning whether occur to leak electricity abnormal, overload exception and short circuit abnormal in one of at least; If detect, there is electric leakage exception in air-conditioning and/or short circuit is abnormal, generates trip signal; If or it is abnormal to detect that overload occurs air-conditioning, generates overload signal.
Alternatively, whether there is electric leakage exception, overload exception and short circuit based on sampled voltage and sample rate current detection air-conditioning extremely to be completed by the data processing chip that air-conditioning is built-in.
Alternatively, trip signal is for triggering the electric power protection action of air-conditioning, and such as, trip signal triggers magnetic flow convertor action, and breaker is disconnected, thus plays the effect protecting air-conditioning when the abnormal conditions such as occur that electric leakage is abnormal, short circuit is abnormal or overload is abnormal.
Alternatively, after based on sampled voltage and the sample rate current statistics power consumption of air-conditioning and power, method also comprises: export the power consumption of air-conditioning, realtime power, trip signal and overload signal by communication interface.
Alternatively, the power consumption of air-conditioning, realtime power, trip signal and overload signal is exported by communication interface, this communication interface can be SPI (Serial Peripheral Interface, Serial Peripheral Interface (SPI)) communication interface, UART (Universal Asynchronous Receiver/Transmitter, universal asynchronous receiving-transmitting transmits) communication interface or I2C (Inter-Integrated Circuit, built-in integrated circuit communication) communication interface.
Fig. 2 is the flow chart of optionally monitoring the method for air-conditioning according to the another kind of the embodiment of the present invention, and as shown in Figure 2, the method comprises the steps:
Step S202, carries out power calculation to sampled voltage and sample rate current, obtains the realtime power of air-conditioning in current collection period;
Step S204, based on realtime power determination air-conditioning first power consumption current collection period in of air-conditioning in current collection period;
Step S206, reads second power consumption of air-conditioning at history collection period;
Step S208, adds up the first power consumption and the second power consumption, obtains the power consumption of air-conditioning.
Alternatively, the sampled voltage of current collection period is multiplied with sample rate current, the realtime power of air-conditioning at current collection period can be obtained.Such as, currently sample to the domestic air conditioning that certain is in normal operating conditions, the sampled voltage obtained is 220 volts, and sample rate current is 10 peaces, the then realtime power P=220V*10A=2200W of this domestic air conditioning, so this domestic air conditioning is 2200 watts at the realtime power of current collection period.
Alternatively, the realtime power of current collection period is multiplied with current collection period, first power consumption of air-conditioning at current collection period can be obtained.Such as, current the domestic air conditioning that certain is in normal operating conditions to be sampled, obtaining this domestic air conditioning at the realtime power of front collection period is 2200 watts, and this collection period known is 2 hours, the then electricity W=2200W*2h=4.4kWh of this domestic air conditioning, so this domestic air conditioning is 4.4 degree at the first power consumption of current collection period.
Alternatively, second power consumption of air-conditioning at history collection period is read.Such as, reading air-conditioning is 1000 degree at the power consumption of history collection period, then the second power consumption is 1000 degree.
Alternatively, summation operation is carried out to the first power consumption and the second power consumption, obtains the power consumption of air-conditioning.Such as, the first power consumption is 4.4 degree, and the second power consumption is 1000 degree, then the power consumption of this air-conditioning is 1004.4 degree.
Fig. 3 is the third the optional flow chart of monitoring the method for air-conditioning according to the embodiment of the present invention, and as shown in Figure 3, the method comprises the steps:
Step S302, judges the type of the transmission line of electricity of air-conditioner external;
Step S304, according to the type of transmission line of electricity, corresponding computation chip is set on transmission line of electricity, to be added up power consumption and the realtime power of air-conditioning based on sampled voltage and sample rate current by computation chip, wherein, the type of transmission line of electricity comprises single-phase power transmission line and three phase line.
Alternatively, on different transmission lines of electricity, the set-up mode of computation chip is different.Computation chip, based on the mathematical operation to sampled voltage and sample rate current, obtains power consumption and the realtime power of air-conditioning.Computation chip can coordinate storage chip or other functional chips jointly to complete process action to sampled voltage and sample rate current.
In embodiments of the present invention, the voltage signal on the transmission line of electricity obtaining air-conditioner external and current signal is adopted; And by carrying out digital signal samples to voltage signal and current signal, obtain sampled voltage and sample rate current; Power consumption and the realtime power of air-conditioning is added up further based on sampled voltage and sample rate current; Reach in real time, monitor the object of air conditioning electricity situation accurately, solve the technical problem that air conditioning electricity monitoring efficiency is lower.
Embodiment 2
According to another aspect of the embodiment of the present invention, additionally provide a kind of device of monitoring air-conditioning, as shown in Figure 4, comprising:
Acquisition module 401, the voltage signal on the transmission line of electricity obtaining air-conditioner external and current signal;
Sampling module 402, for carrying out digital signal samples to voltage signal and current signal respectively, obtains sampled voltage and sample rate current;
Statistical module 403, for adding up power consumption and the realtime power of air-conditioning based on sampled voltage and sample rate current.
Alternatively, the transmission line of electricity of air-conditioner external can be single-phase power transmission line or three phase line, and such as, the external transmission line of electricity of domestic air conditioning is single-phase power transmission line, and the transmission line of electricity of the air-conditioner external installed in industrial building or workshop is three phase line.
Alternatively, acquisition module 401 can obtain current signal by the mode arranging sampling resistor on the transmission line of electricity of air-conditioner external.
Alternatively, statistical module 403 can be completed by the data processing chip that air-conditioning is built-in based on sampled voltage and the sample rate current statistics power consumption of air-conditioning and realtime power.
According to another aspect of the embodiment of the present invention, additionally provide a kind of equipment 50 of monitoring air-conditioning, as shown in Figure 5, comprising:
Signal acquisition circuit 501, the voltage signal on the transmission line of electricity obtaining air-conditioner external and current signal;
Sample circuit 502, is connected with signal acquisition circuit, for carrying out digital signal samples to voltage signal and current signal respectively, obtains sampled voltage and sample rate current;
Data processing unit 503, is connected with sample circuit, for adding up power consumption and the realtime power of air-conditioning based on sampled voltage and sample rate current.
Alternatively, the transmission line of electricity of air-conditioner external can be single-phase power transmission line or three phase line, and such as, the external transmission line of electricity of domestic air conditioning is single-phase power transmission line, and the transmission line of electricity of the air-conditioner external installed in industrial building or workshop is three phase line.
Alternatively, signal acquisition circuit 501 can gather current signal by the mode arranging sampling resistor on the transmission line of electricity of air-conditioner external.
Alternatively, data processing unit 503 can be completed by the data processing chip that air-conditioning is built-in based on sampled voltage and the sample rate current statistics power consumption of air-conditioning and realtime power.
Alternatively, as shown in Figure 6, equipment 50 also comprises:
Protection circuit 601, be connected with sample circuit 502, for carrying out digital signal samples to voltage signal and current signal respectively, after obtaining sampled voltage and sample rate current, based on sampled voltage and sample rate current detect air-conditioning whether occur to leak electricity abnormal, overload exception and short circuit abnormal in one of at least;
Controller 602, is connected with protection circuit 601, if for detecting that electric leakage exception occurs air-conditioning and/or short circuit is abnormal, generate trip signal; If or it is abnormal to detect that overload occurs air-conditioning, generate overload signal, controller is also connected with data processing unit 503, for obtaining power consumption and the realtime power of air-conditioning.
Alternatively, based on sampled voltage and sample rate current, protection circuit 601 detects whether air-conditioning occurs that electric leakage is abnormal, overload exception and short circuit can complete by the data processing chip that air-conditioning is built-in extremely.
Alternatively; the trip signal that controller 602 generates is for triggering the electric power protection action of air-conditioning, and such as, trip signal triggers magnetic flow convertor action; breaker is disconnected, thus plays the effect of the protection air-conditioning when the abnormal conditions such as occur that electric leakage is abnormal, short circuit abnormal or overload is abnormal.
Alternatively, as shown in Figure 7, equipment 50 also comprises:
Communication interface 701, is connected with controller 602, for after the power consumption adding up air-conditioning based on sampled voltage and sample rate current and power, exports the power consumption of air-conditioning, realtime power, trip signal and overload signal.
Alternatively, the power consumption of air-conditioning, realtime power, trip signal and overload signal is exported by communication interface 701, this communication interface 701 can be SPI (Serial Peripheral Interface, Serial Peripheral Interface (SPI)) communication interface, UART (Universal Asynchronous Receiver/Transmitter, universal asynchronous receiving-transmitting transmits) communication interface or I2C (Inter-Integrated Circuit, built-in integrated circuit communication) communication interface.
Alternatively, as shown in Figure 8, signal acquisition circuit 501 comprises:
Sampling resistor 801, is connected with the transmission line of electricity of air-conditioner external, the voltage signal on the transmission line of electricity gathering air-conditioner external and current signal, and wherein, the voltage signal collected and current signal are analog signal;
Signal processor 802, is connected with sampling resistor 801, for the voltage signal collected and current signal being converted to voltage signal and the current signal of numeral.
Alternatively, sampling resistor 801 can be arranged on the zero line of the transmission line of electricity of air-conditioner external.
Alternatively, as shown in Figure 9, sample circuit 502 comprises: sampling A/D chip 901, for carrying out digital signal samples to voltage signal and current signal respectively, obtains sampled voltage and sample rate current; Data processing unit 503 comprises: charging chip 902, is connected with sampling A/D chip 901, for carrying out power calculation to sampled voltage and sample rate current, obtains the realtime power of air-conditioning in current collection period; Based on realtime power determination air-conditioning first power consumption current collection period in of air-conditioning in current collection period; Read second power consumption of air-conditioning at history collection period; Add up the first power consumption and the second power consumption, obtain the power consumption of air-conditioning.
Alternatively, the sampled voltage of data processing unit 503 to current collection period is multiplied with sample rate current, can obtain the realtime power of air-conditioning in current collection period.Such as, currently sample to the domestic air conditioning that certain is in normal operating conditions, the sampled voltage obtained is 220 volts, and sample rate current is 10 peaces, the then realtime power P=220V*10A=2200W of this domestic air conditioning, so this domestic air conditioning is 2200 watts at the realtime power of current collection period.
Alternatively, data processing unit 503 is multiplied with current collection period to the realtime power of current collection period, can obtain first power consumption of air-conditioning in current collection period.Such as, current the domestic air conditioning that certain is in normal operating conditions to be sampled, obtaining the realtime power of this domestic air conditioning in front collection period is 2200 watts, and this collection period known is 2 hours, the then electricity W=2200W*2h=4.4kWh of this domestic air conditioning, so this domestic air conditioning is 4.4 degree at the first power consumption of current collection period.
Alternatively, data processing unit 503 reads second power consumption of air-conditioning at history collection period.Such as, reading air-conditioning is 1000 degree at the power consumption of history collection period, then the second power consumption is 1000 degree.
Alternatively, data processing unit 503 carries out summation operation to the first power consumption and the second power consumption, obtains the power consumption of air-conditioning.Such as, the first power consumption is 4.4 degree, and the second power consumption is 1000 degree, then the power consumption of this air-conditioning is 1004.4 degree.
Alternatively, as shown in Figure 10, equipment 50 also comprises:
Line bank 1001, be connected with the transmission line of electricity of air-conditioner external and signal acquisition circuit 501, line bank 1001 comprises: single-phase line bank 1002 and three-phase line bank 1003, and single-phase line bank 1002 is for connecting single-phase power transmission line 1004, and three-phase line bank 1003 is for connecting three phase line 1005.
Alternatively, as shown in figure 11, equipment 50 also comprises:
Isolation voltage transformation unit 1101, is connected between sample circuit 502 and data processing unit 503, for isolating the noise that sample circuit 502 and data processing unit 503 carry out when data are transmitted.
Alternatively, as shown in figure 12, in single-phase power transmission line, the zero line in the transmission line of electricity of air-conditioner external is provided with sampling resistor, current sample module 1202 is connected with the zero line in transmission line of electricity and this sampling resistor in parallel, and voltage sample module 1201 is connected with the live wire in transmission line of electricity; Current sample module 1202 and voltage sample module 1201 are connected to sampling A/D chip 1203 respectively; Isolating transformer 1204 is connected with sampling A/D chip 1203 and data processing chip 1205 respectively; Can be communicated by following three kinds of modes between data processing chip 1205 with controller 1206: built-in integrated circuit communication, Serial Peripheral Interface (SPI) communication and universal asynchronous receiving-transmitting communication.
Alternatively, as shown in figure 13, in three phase line, three zero lines in the transmission line of electricity of air-conditioner external are respectively arranged with sampling resistor, current sample module 1302,1308,1314 is connected respectively with the zero line of three in transmission line of electricity and distinguishes the sampling resistor on three zero lines in parallel, and voltage sample module 1301,1307,1313 is connected with the live wire in transmission line of electricity respectively; Current sample module 1302 and voltage sample module 1301 are connected to sampling A/D chip 1303 respectively, and current sample module 1308 and voltage sample module 1307 are connected to sampling A/D chip 1310 respectively, and current sample module 1304 and voltage sample module 1303 are connected to sampling A/D chip 1315 respectively; Isolating transformer 1304 is connected with sampling A/D chip 1303 and data processing chip 1305 respectively, and isolating transformer 1310 is connected with sampling A/D chip 1309 and data processing chip 1311 respectively, and isolating transformer 1316 is connected with sampling A/D chip 1315 and data processing chip 1317 respectively; Can be communicated by following three kinds of modes between data processing chip 1305 with controller 1306: built-in integrated circuit communication, Serial Peripheral Interface (SPI) communication and universal asynchronous receiving-transmitting communication; And can be communicated by following three kinds of modes between data processing chip 1311 with controller 1312: built-in integrated circuit communication, Serial Peripheral Interface (SPI) communication and universal asynchronous receiving-transmitting communication; And can be communicated by following three kinds of modes between data processing chip 1317 with controller 1318: built-in integrated circuit communication, Serial Peripheral Interface (SPI) communication and universal asynchronous receiving-transmitting communication.
As shown in Figure 12 and Figure 13, data processing unit comprises: data processing chip 1205; The above-mentioned signal acquisition circuit of sampling resistor in Figure 12 and Figure 13, voltage sampling circuit module and current sample module composition.
Alternatively, as shown in figure 14, air-conditioning is monitored by power supply integrated installation monitoring module 1401, power supply integrated installation monitoring module 1401 comprises expands module 1402, communication interface 1403 and list/three-phase incoming line, in list/three-phase incoming line, L1, L2, L3 and N represents line sequence and the notch position of connection jaws respectively, in data-interface 1403, A and B represents host computer data-interface and programmable logic controller interface respectively, expanding module 1402 can for having Charging Detection function and realtime power measuring ability, also comprise earth leakage detection functions, functional module one of at least in overload detection function and tripping mechanism function.Expansion circuit 1402 shown in Figure 14 comprises data processing unit and protection circuit.
Alternatively, Figure 15 is the schematic flow sheet of the method for a kind of optional monitoring air-conditioning according to the embodiment of the present invention, and as shown in figure 15, the method comprises the steps:
Steps A, Intelligent Measurement power supply type, judges that power supply type is single phase poaer supply or three phase mains.
Step B, electric current, voltage sample;
Step C, calculates power consumption and power;
Step D, sends data by communication interface.
Alternatively, steps A, step B, step C and step D form the method for power consumption monitoring and power monitoring, and steps A, step B, step C and step D have precedence.
Alternatively, Figure 16 is the schematic flow sheet of optionally monitoring the method for air-conditioning according to the another kind of the embodiment of the present invention, and as shown in figure 16, the method comprises the steps:
Steps A, Intelligent Measurement power supply type, judges that power supply type is single phase poaer supply or three phase mains.
Step B, electric current, voltage sample;
Step C, calculates power consumption and power;
Step D, sends data by communication interface;
Step e, electric leakage, overload or short-circuit detecting;
Step F, electric leakage or short-circuit detecting;
Step G, generates trip signal;
Step H, overload detection;
Step I, generates overload signal.
Alternatively, steps A, step B, step C and step D form the method for power consumption monitoring and power monitoring; Steps A, step B, step C and step D have precedence.
Alternatively, steps A, step B, step e, step F, step G and step D form the method for monitoring leakage current detect and short circuit monitoring; Steps A, step B, step e, step F, step G and step D have precedence.
Alternatively, steps A, step B, step e, step H, step I and step D form the method for overload monitoring; Steps A, step B, step e, step H, step I and step D have precedence.
In embodiments of the present invention, the voltage signal on the transmission line of electricity obtaining air-conditioner external and current signal is adopted; And by carrying out digital signal samples to voltage signal and current signal, obtain sampled voltage and sample rate current; Power consumption and the realtime power of air-conditioning is added up further based on sampled voltage and sample rate current; Reach in real time, monitor the object of air conditioning electricity situation accurately, solve the technical problem that air conditioning electricity monitoring efficiency is lower.
The invention described above embodiment sequence number, just to describing, does not represent the quality of embodiment.
In the above embodiment of the present invention, the description of each embodiment is all emphasized particularly on different fields, in certain embodiment, there is no the part described in detail, can see the associated description of other embodiments.
In several embodiments that the application provides, should be understood that, disclosed technology contents, the mode by other realizes.Wherein, device embodiment described above is only schematic, the such as division of described unit, can be that a kind of logic function divides, actual can have other dividing mode when realizing, such as multiple unit or assembly can in conjunction with or another system can be integrated into, or some features can be ignored, or do not perform.Another point, shown or discussed coupling each other or direct-coupling or communication connection can be by some interfaces, and the INDIRECT COUPLING of unit or module or communication connection can be electrical or other form.
The described unit illustrated as separating component or can may not be and physically separates, and the parts as unit display can be or may not be physical location, namely can be positioned at a place, or also can be distributed on multiple unit.Some or all of unit wherein can be selected according to the actual needs to realize the object of the present embodiment scheme.
In addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit, also can be that the independent physics of unit exists, also can two or more unit in a unit integrated.Above-mentioned integrated unit both can adopt the form of hardware to realize, and the form of SFU software functional unit also can be adopted to realize.
If described integrated unit using the form of SFU software functional unit realize and as independently production marketing or use time, can be stored in a computer read/write memory medium.Based on such understanding, the part that technical scheme of the present invention contributes to prior art in essence in other words or all or part of of this technical scheme can embody with the form of software product, this computer software product is stored in a storage medium, comprises all or part of step of some instructions in order to make a computer equipment (can be personal computer, server or the network equipment etc.) perform method described in each embodiment of the present invention.And aforesaid storage medium comprises: USB flash disk, read-only storage (ROM, Read-OnlyMemory), random access memory (RAM, Random Access Memory), portable hard drive, magnetic disc or CD etc. various can be program code stored medium.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (13)
1. monitor a method for air-conditioning, it is characterized in that, comprising:
Obtain the voltage signal on the transmission line of electricity of air-conditioner external and current signal;
Respectively digital signal samples is carried out to described voltage signal and described current signal, obtain sampled voltage and sample rate current;
Power consumption and the realtime power of described air-conditioning is added up based on described sampled voltage and described sample rate current.
2. method according to claim 1, is characterized in that, carrying out digital signal samples to described voltage signal and described current signal respectively, after obtaining sampled voltage and sample rate current, described method also comprises:
Based on described sampled voltage and described sample rate current detect described air-conditioning whether occur to leak electricity abnormal, overload exception and short circuit abnormal in one of at least;
Wherein, if detect, the described electric leakage of described air-conditioning generation is abnormal and/or described short circuit is abnormal, generates trip signal;
It is abnormal if detect there is described overload in described air-conditioning, generates overload signal.
3. method according to claim 2, is characterized in that, after the power consumption adding up described air-conditioning based on described sampled voltage and described sample rate current and power, described method also comprises:
The power consumption of described air-conditioning, described realtime power, described trip signal and described overload signal is exported by communication interface.
4. method according to claim 1, is characterized in that, adds up the power consumption of described air-conditioning and power comprises based on described sampled voltage and described sample rate current:
Power calculation is carried out to described sampled voltage and described sample rate current, obtains the realtime power of described air-conditioning in current collection period;
First power consumption of described air-conditioning in current collection period is determined based on the described realtime power of described air-conditioning in described current collection period;
Read second power consumption of described air-conditioning at history collection period;
Add up described first power consumption and described second power consumption, obtain the power consumption of described air-conditioning.
5. method according to claim 1, is characterized in that, adds up the power consumption of described air-conditioning and realtime power comprises based on described sampled voltage and described sample rate current:
Judge the type of the transmission line of electricity of described air-conditioner external;
According to the type of described transmission line of electricity, corresponding computation chip is set on described transmission line of electricity, to be added up power consumption and the realtime power of described air-conditioning based on described sampled voltage and described sample rate current by described computation chip, wherein, the type of described transmission line of electricity comprises single-phase power transmission line and three phase line.
6. monitor a device for air-conditioning, it is characterized in that, comprising:
Acquisition module, the voltage signal on the transmission line of electricity obtaining air-conditioner external and current signal;
Sampling module, for carrying out digital signal samples to described voltage signal and described current signal respectively, obtains sampled voltage and sample rate current;
Statistical module, for adding up power consumption and the realtime power of described air-conditioning based on described sampled voltage and described sample rate current.
7. monitor an equipment for air-conditioning, it is characterized in that, comprising:
Signal acquisition circuit, the voltage signal on the transmission line of electricity obtaining air-conditioner external and current signal;
Sample circuit, is connected with described signal acquisition circuit, for carrying out digital signal samples to described voltage signal and described current signal respectively, obtains sampled voltage and sample rate current;
Data processing unit, is connected with described sample circuit, for adding up power consumption and the realtime power of described air-conditioning based on described sampled voltage and described sample rate current.
8. equipment according to claim 7, is characterized in that, described equipment also comprises:
Protection circuit, be connected with described sample circuit, for carrying out digital signal samples to described voltage signal and described current signal respectively, after obtaining sampled voltage and sample rate current, based on described sampled voltage and described sample rate current detect described air-conditioning whether occur to leak electricity abnormal, overload exception and short circuit abnormal in one of at least;
Controller, is connected with described protection circuit, if for detecting that the described electric leakage of described air-conditioning generation is abnormal and/or described short circuit is abnormal, generate trip signal; If or it is abnormal to detect that described overload occurs described air-conditioning, generates overload signal,
Described controller is also connected with described data processing unit, for obtaining the power consumption of described air-conditioning and described realtime power.
9. equipment according to claim 8, is characterized in that, described equipment also comprises:
Communication interface, is connected with described controller, for after the power consumption adding up described air-conditioning based on described sampled voltage and described sample rate current and power, exports the power consumption of described air-conditioning, described realtime power, described trip signal and described overload signal.
10. equipment according to claim 7, is characterized in that, described signal acquisition circuit comprises:
Sampling resistor, is connected with the transmission line of electricity of described air-conditioner external, the voltage signal on the transmission line of electricity gathering described air-conditioner external and current signal, and wherein, the voltage signal collected and current signal are analog signal;
Signal processor, is connected with described sampling resistor, for the described voltage signal that collects and current signal being converted to voltage signal and the current signal of numeral.
11. equipment according to claim 10, is characterized in that,
Described sample circuit comprises: sampling A/D chip, for carrying out digital signal samples to described voltage signal and described current signal respectively, obtains sampled voltage and sample rate current;
Described data processing unit comprises: charging chip, is connected with described sampling A/D chip, for carrying out power calculation to described sampled voltage and described sample rate current, obtains the realtime power of described air-conditioning in current collection period; First power consumption of described air-conditioning at current collection period is determined based on the described realtime power of described air-conditioning in described current collection period; Read second power consumption of described air-conditioning at history collection period; Add up described first power consumption and described second power consumption, obtain the power consumption of described air-conditioning.
12. equipment according to claim 7, is characterized in that, described equipment also comprises:
Line bank, be connected with the transmission line of electricity of described air-conditioner external and described signal acquisition circuit, described line bank comprises: single-phase line bank and three-phase line bank, and described single-phase line bank is for connecting single-phase power transmission line, and described three-phase line bank is for connecting three phase line.
13. equipment according to claim 7, is characterized in that, described equipment also comprises:
Isolation voltage transformation unit, is connected between described sample circuit and described data processing unit, for isolating the noise that described sample circuit and described data processing unit carry out when data are transmitted.
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| CN201510314133.0A CN104879900A (en) | 2015-06-09 | 2015-06-09 | Monitoring method, device and set of air conditioner |
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