CN102655317A - Intelligent management device with meter reading function for single-user field power utilization - Google Patents
Intelligent management device with meter reading function for single-user field power utilization Download PDFInfo
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- CN102655317A CN102655317A CN201210028336XA CN201210028336A CN102655317A CN 102655317 A CN102655317 A CN 102655317A CN 201210028336X A CN201210028336X A CN 201210028336XA CN 201210028336 A CN201210028336 A CN 201210028336A CN 102655317 A CN102655317 A CN 102655317A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/30—Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
- Y04S20/20—End-user application control systems
- Y04S20/242—Home appliances
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Abstract
The invention provides an intelligent management device with a meter reading function for single-user field power utilization. The intelligent management device comprises a power line incoming interface, a power line outgoing interface, a power supply unit, a detection unit, a control unit and an executing unit. The power line incoming interface and the power line outgoing interface are respectively placed on opposite sides of the device; the control end of the executing unit is connected with the control unit; and the controlled end of the executing unit is serially connected between the power line incoming interface and the power line outgoing interface. The power supply unit is used for providing working voltage for the detection unit, the control unit and the executing unit; the detection unit is used for detecting whether a circuit has an abnormal phenomenon or not; if the detection unit detects that the circuit has the abnormal phenomenon, a corresponding electric signal is generated and is transmitted to the control unit; and the control unit controls the executing unit to do corresponding movements according to the electric signal from the detection unit, so as to cut off power supply of the line. The intelligent management device with the meter reading function for the single-user field power utilization disclosed by the invention can effectively prevent electricity stealing, and has the advantages of compact structure and small volume.
Description
The application is the division that 200710093761.6 one Chinese patent application is carried out as female case based on the application number of submitting on April 18th, 2007, and above-mentioned female case requires is to be 200610018817.7 one Chinese patent application priority in the application number that on April 18th, 2006 submitted to.
Technical field
The present invention relates to dynamo-electric field, relate in particular to a kind of management devices that is applied to electric power system.
Background technology
At present, in administration of power networks, usually need dispose electricity consumption field management device with certain management function.Functions such as so-called management function can comprise metering, checks meter, remote data transmission also can comprise such as functions such as arrearage power failures.Just there is a kind of like this management devices in the prior art with arrearage power failure function.This management devices comprises shell, places the correlation function module in the shell; And the incoming line and the line outlet of this management devices are positioned at the same side; That is to say; This device can adopt the mode of upside inlet wire from this management devices, upside outlet (be enterprising go out), also can adopt the downside inlet wire from this management devices, the mode of downside outlet (promptly advancing down down).The management devices of even now can be realized certain management function; Yet in practical application; Such inlet wire outlet method is not merely the lawless people stealing and provides convenience, but also is unfavorable for the layout of the inner cabling of management devices and each functional module, thereby; Will certainly cause this device space availability ratio of inner lower, thereby make the structure of this device comparatively loose, volume is bigger.
Summary of the invention
For solving the problems of the technologies described above, the present invention provides a kind of intelligent management device of single user power site with meter-reading function, and it can prevent stealing effectively, and its structure is comparatively compact, volume is less.
For this reason; Technical scheme of the present invention is: a kind of user power utilization usage site intelligent management device is provided; It comprises: power line inlet wire interface, power line go out line interface, power subsystem, detecting unit, control unit and performance element, and said power line inlet wire interface and power line go out line interface and place said opposite side with intelligent management device of single user power site of meter-reading function respectively; The control end of said performance element connects said control unit, and the controlled end of said performance element is serially connected in said power line inlet wire interface and power line goes out between the line interface.Wherein, said power subsystem is used to detecting unit, control unit and performance element operating voltage is provided; Whether the circuit that said detecting unit is used for detecting its place occurs unusually, occurs unusually if detect, and then produces expression and the unusual signal of telecommunication occurs, and transmit it to control unit; Said control unit produces control signal according to the signal of telecommunication from detecting unit, and this control signal is transferred to performance element; Said performance element moves according to said control signal, to cut off the supply of electric power of place circuit.
Wherein, Said power line inlet wire interface comprises phase line inlet wire interface and zero line inlet wire interface; Said power line goes out line interface and comprises that phase line goes out line interface and zero line goes out line interface, and said performance element is serially connected in phase line inlet wire interface and phase line and goes out between the line interface and/or be serially connected in said zero line inlet wire interface and zero line goes out between the line interface.
Intelligent management device of single user power site with meter-reading function provided by the invention also comprises metering module, and said metering module comprises: the current signal collecting unit is used for the current signal of real-time Acquisition Circuit; The voltage signal acquisition unit is used for the voltage signal of real-time Acquisition Circuit; Computing and processing unit; Be used for and multiply each other and obtain instantaneous parameter from the current signal of said current signal collecting unit with from the voltage signal of said voltage signal acquisition unit; And instantaneous parameter added up to obtain corresponding energy value, the proportional pulse signal of output frequency and electric energy then; Display unit is used for showing energy value according to the pulse signal from computing and processing unit; And/or the pulse signal output unit, be used for the energy value from arithmetic element is outwards exported with the form of pulse, to carry out calibration.
Wherein, said instantaneous parameter is active power and/or reactive power, through said active power and/or reactive power are carried out integration, to obtain the accumulative total energy value corresponding to the said time of integration.
Wherein, said display unit comprises LCD display and drive circuit thereof, and the LCD drive circuit drives LCD display according to said pulse signal and shows said energy value; Perhaps said display unit comprises stepping motor and mechanical register, and said stepping motor drives mechanical register according to said pulse signal and shows said energy value.
Wherein, said detecting unit comprises moving envelope detecting unit, and whether the envelope body that is used for the detected electrons envelope, then produces the said envelope body of expression by the loosening signal of telecommunication, and transmit it to control unit if detect said envelope body by loosening by loosening; The signal of telecommunication of envelope detecting unit produces control signal corresponding to said control unit according to coming automatically, and said control signal is transferred to performance element; Said performance element moves according to said control signal, connects with the power line that cuts off the place circuit.
Preferably, said moving envelope detecting unit comprises pressure sensor or normal open switch, and wherein said pressure sensor detects the pressure during less than set point that comes self-styled body, just produces the said envelope body of expression by the loosening moving envelope signal of telecommunication, and transmits it to control unit; When said normal open switch was become flexible at said Feng Tiwei, its moving contact contacted with fixed contact under the compressing of envelope body, and normal open switch is in closure state; When said envelope body was become flexible, said moving contact separated with fixed contact, and normal open switch is in off-state, just produced the said envelope body of expression by the loosening moving envelope signal of telecommunication, and transmitted it to control unit.
Preferably, said detecting unit comprises the electric voltage exception detecting unit, and whether the voltage that is used for testing circuit occurs unusually, occurs unusually if detect said voltage, then produces expression voltage and the unusual signal of telecommunication occurs, and transmit it to control unit.
Preferably; Said detecting unit comprises the current balance type detecting unit; Said current balance type detecting unit comprises current balance type detecting element and comparator; Said current balance type detecting element comprises zero sequence current mutual inductor or the copper-manganese sheet that is provided with in pairs, and wherein, said zero sequence current mutual inductor is enclosed within on the live wire and zero line of circuit-under-test; When between live wire electric current and the neutral line current during disequilibrium; The coil-induced of said zero sequence current mutual inductor goes out the correspondent voltage signal, and transmits it to the in-phase input end of comparator, and said comparator compares said voltage signal and the first predetermined reference voltage value that is input to its inverting input; And when the voltage signal from zero sequence current mutual inductor is higher than said first reference voltage value, said comparator will represent that the unbalanced high level signal of electric current transfers to said control unit; The first copper-manganese sheet in a pair of copper-manganese sheet of said paired setting and the second copper-manganese sheet are serially connected in the live wire of circuit-under-test respectively and are serially connected in the zero line of circuit-under-test; Corresponding to the electric current that flows through said copper-manganese sheet; The two ends of the said first copper-manganese sheet produce first voltage difference; The said second copper-manganese sheet produces second voltage difference; Said first voltage difference and second voltage difference are through after amplifying; Isolate in-phase input end and the inverting input that transfers to said comparator through the signal isolation circuit of correspondence respectively again, and when said first voltage difference and second voltage difference are unequal, said comparator will represent that the unbalanced high level signal of electric current transfers to said control unit.
Preferably, said detecting unit comprises the load current detecting unit, and said load current detecting unit comprises load current detecting element and comparator, and said load current detecting element comprises load current instrument transformer and copper-manganese sheet.Wherein, Said load current instrument transformer is enclosed within on the live wire of circuit-under-test; Electric current corresponding to the said live wire of flowing through; The coil-induced of said load current instrument transformer goes out the correspondent voltage signal, and transmits it to the in-phase input end of comparator, and said comparator compares said voltage signal and the second predetermined reference voltage value that is input to its inverting input; When being higher than said second reference voltage value from load current mutual inductor coil voltage signal, said comparator will represent that the excessive high level signal of load transfers to said control unit; Said copper-manganese sheet is serially connected in the live wire of circuit-under-test; Corresponding to the live wire electric current that flows through said copper-manganese sheet; Said copper-manganese sheet produces the correspondent voltage signal; And transmit it to the in-phase input end of said comparator; Said comparator compares said voltage signal and the second predetermined reference voltage value that is input to its inverting input, and when being higher than said second reference voltage value from load current mutual inductor coil voltage signal, said comparator will represent that the excessive high level signal of load transfers to said control unit.
Preferably; Intelligent management device of single user power site with meter-reading function provided by the invention also comprises Data Receiving unit, decoding unit and decoding unit; Wherein, Said infrared signal receiving element is used to receive from the outside infrared signal of said device, and with the infrared signal transmission that receives to decoding unit; Said decoding unit is used for the acquisition digital signal corresponding, and transmitting it to decoding unit with decoding from the infrared signal of infrared signal receiving element; Said decoding unit is used for the information from decoding unit is resolved, with the command information that obtains to be comprised in the said extraneous signal.
Wherein, Said extraneous signal comprises unlocking signal and/or the signal of checking meter; The said extraneous signal that is received by said infrared signal receiving element is after decoding unit decodes, decoding unit decoding; Transfer to said control unit, control corresponding performance element by said control unit and carry out release, be i.e. phase line inlet wire that recovery is disconnected and the electrical connection between the electrical connection between the phase line outlet and/or zero line inlet wire and the zero line outlet; Perhaps by the control of said control unit to the operation of checking meter of corresponding metering module.
Intelligent management device of single user power site with meter-reading function provided by the invention also comprises data acquisition unit and data transmission unit, and wherein, said data acquisition unit is used to gather the energy value of metering module, and transmits it to data transmission unit; Said data transmission unit is used for the energy value from said data acquisition unit is transferred to the office terminal through wire transmission mode or wireless transmission method, and said wireless transmission method comprises carrier transmission mode or Infrared Transmission mode or GPRS or GSM or CDMA transmission means or the transmission means through the phone networking.
Preferably; Provided by the inventionly also comprise the pre-payment module with power usage site intelligent management device; Said pre-payment module comprises the prepaid data input unit, is used to import prepaid data, and with this transfer of data to control unit; Under the control of said control unit, said prepaid data is stored in memory cell and/or said prepaid data is transferred to the office terminal through said display unit demonstration output and/or with said prepaid data.
Wherein, said prepaid data input unit comprises IC-card reading unit and/or bar code reading unit and/or keyboard-type data input cell and/or touch-screen type data input cell.
Intelligent management device of single user power site with meter-reading function provided by the invention also comprises shell; Said power subsystem, detecting unit, control unit and performance element place in the said shell; Said inlet wire interface is positioned at a side of said shell, saidly goes out line interface and is positioned on the side relative with side, said inlet wire interface place on the shell.
Preferably, said computing and processing unit are with the shared CPU of said control unit.
With respect to prior art; Beneficial effect of the present invention is: be positioned at two the relative sides on this device because the power line inlet wire interface of the intelligent management device of single user power site with meter-reading function provided by the invention and power line go out line interface; Be that the power line inlet wire gets into this device from a side, and the power line outlet is drawn this device from a relative side.Like this, with the stealing that is not easy to carry out to being positioned at bigger power line inlet wire of the distance of opposite flank and power line outlet.Therefore, the intelligent management device of single user power site with meter-reading function provided by the invention can prevent stealing effectively.
In addition; Because the intelligent management device of single user power site with meter-reading function provided by the invention comprises detecting unit, control unit and performance element; Wherein, Whether detecting unit can be to detecting such as the abnormal conditions such as Feng Ti that whether have electric voltage exception phenomenon, current anomaly phenomenon, loosening electronics envelope, can also to having situation such as arrearage power cut signal, remote controlled unlocking signal to monitor.When detection exists unusual in circuit or extraneous signal is arranged; Control unit just produces control signal so that performance element correspondingly moves, so that cut off or recover said zero line inlet wire interface and zero line goes out between the line interface and/or said phase line inlet wire interface and phase line go out the electrical connection between the line interface.Therefore, provided by the invention have the management function to abnormal conditions such as the Feng Ti of electric voltage exception phenomenon and/or current anomaly phenomenon and/or loosening electronics envelope and/or multiple situation such as arrearage power failure and/or remote controlled unlocking with power usage site intelligent management device.
Have, in a preferred implementation of the present invention, the intelligent management device of single user power site with meter-reading function also comprises metering module again.Therefore, the intelligent management device of single user power site with meter-reading function provided by the invention also has function of measuring.
Description of drawings
Fig. 1 is the mechanical structure decomposing schematic representation of the intelligent management device of single user power site with meter-reading function of first embodiment of the invention;
Fig. 2 is the structural representation at the box cover back side of the intelligent management device of single user power site with meter-reading function shown in Figure 1;
Fig. 3 is the mechanical structure decomposing schematic representation of the intelligent management device of single user power site with meter-reading function of second embodiment of the invention;
Fig. 4 is the structural representation at the box cover back side of the intelligent management device of single user power site with meter-reading function shown in Figure 3;
Fig. 5 has the theory diagram of a specific embodiment of the intelligent management device of single user power site of meter-reading function for the present invention;
Fig. 6 is that the part of block diagram shown in Figure 5 realizes circuit diagram;
Fig. 7 is the realization circuit diagram of the metering module of block diagram shown in Figure 5.
Embodiment
For making those skilled in the art person understand scheme of the present invention better, the intelligent management device of single user power site with meter-reading function provided by the invention is described in detail below in conjunction with accompanying drawing.
See also Fig. 1 to Fig. 2, the intelligent management device of single user power site with meter-reading function of first embodiment of the invention is for being directed against 1 electricity consumption field management device that the terminal use manages.
The intelligent management device of single user power site with meter-reading function of present embodiment comprises: the casing body 430, box cover 460, first circuit board 420, second circuit board 440 and the tertiary circuit plate 490 that have base plate.Wherein, first circuit board 420, second circuit board 440 and tertiary circuit plate 490 place by in casing body 430 that has base plate and the box cover 460 formed casings.
Be provided with infrared signal receiving element 467 in the left side of status indicator lamp 447, be used to receive infrared signal from the outside.Be provided with the detecting unit 466 of electronics envelope in the left side of infrared signal receiving element 467, be used to detect the envelope the body whether loosening electronics envelope of people is arranged, when the moving envelope of people; Just produce moving envelope signal; And transmitting it to control unit, control unit produces control signal corresponding, and this control signal is transferred to performance element; Be control unit control relay 446 and/or relay 445 actions, connect with the power line that breaks off respective lines.
Be provided with circuit board in substantial middle position, the bottom of second circuit board 440 and connect contact pin 465, be used for being connected with the circuit board gang socket 421 that is arranged on the first circuit board 420.
Power line inlet wire one side on first circuit board 420 is provided with relay 446, is provided with relay 445 at opposite side on the other side.Two other opposite side on first circuit board 420 is provided with circuit board gang socket 421 respectively, to match with the connection contact pin 492 that is connected contact pin 465 or tertiary circuit plate of second circuit board.
This electricity consumption field management device has power line inlet wire wiring skeleton frame 485 and power line outlet wiring skeleton frame 486.Cabling mode corresponding to a fiery ground in the present embodiment; This power line inlet wire wiring skeleton frame 485 and power line outlet wiring skeleton frame 486 have the installation site of two wire frames respectively, in order to zero line inlet wire wire frame 456, live wire inlet wire wire frame 458, zero line outlet wire frame 450 and live wire outlet wire frame 451 to be installed respectively.Corresponding to zero line inlet wire wire frame 456, live wire inlet wire wire frame 458, zero line outlet wire frame 450 and live wire outlet wire frame 451, and offer corresponding cabling mouth at power line inlet wire wiring skeleton frame 485 and power line outlet wiring skeleton frame 486.And; Corresponding to zero line inlet wire wire frame 456, live wire inlet wire wire frame 458, zero line outlet wire frame 450 and live wire outlet wire frame 451, zero line inlet wire brace 457, live wire inlet wire brace 459, zero line outlet brace 436 and live wire outlet brace 437 are set respectively.One end of each brace stretches in the corresponding wire frame, and the other end curves down " U " shape to be stuck on wiring skeleton frame 485 or 486.The structure of above-mentioned wire frame and working forms are similar to the wire frame of air switch.
Zero line that electricity consumption field management device is outside and live wire are introduced this device through zero line inlet wire wire frame 456 and live wire inlet wire wire frame 458.Inner at this device; The live wire of drawing from live wire inlet wire brace 459 at first is connected to first controlled end (power line end of incoming cables) of relay 446; After passing zero sequence current mutual inductor 455 and phase line current transformer 448 after second controlled end (power line leading-out terminal) of relay 446 in succession; Be connected to live wire outlet brace 437, draw this electricity consumption field management device by live wire outlet wire frame 451 again.Similarly; Inner at this device; The zero line of drawing from zero line inlet wire brace 457 at first passes zero sequence current mutual inductor 455; Be connected to first controlled end (power line end of incoming cables) of relay 445 then, be connected to zero line outlet brace 436, draw this electricity consumption field management device by zero line outlet wire frame 450 again through second controlled end (power line leading-out terminal) of relay 445.
In casing body 430; Predetermined installation site corresponding to power line inlet wire wiring skeleton frame 485 and power line outlet wiring skeleton frame 486; And be provided for the holddown groove 434 of fixing power line inlet wire wiring skeleton frame 485 and power line outlet wiring skeleton frame 486 respectively; Power line inlet wire wiring skeleton frame 485 just places respectively in the corresponding holddown groove 434, so that it is fixed with power line outlet wiring skeleton frame 486.Cabling mouth corresponding to power line inlet wire wiring skeleton frame 485; And on casing body 430, offer 2 power line entrance holes 431, to be connected to zero line inlet wire wire frame 456 and live wire inlet wire wire frame 458 accordingly through their zero lines that electric field management device is outside and live wire.Corresponding to the cabling mouth on the power line outlet wiring skeleton frame 486; And on casing body 430, offer 2 power line wire holes 432; Will drawing this device through them respectively, thereby be that the devices such as voltameter in these management devices downstream are supplied power from zero line and the live wire of zero line outlet wire frame 450 and live wire outlet wire frame 451.
4 stay hooks 475 are set at the back side of box cover 460, with casing body 430 on 4 hook grooves (figure do not show) of offering cooperatively interact.Like this, when box cover 460 covered in 430 last times of casing body, 4 stay hooks 475 can be firm hooks 4 hook grooves and does not come off, thereby realizes the strong bonded of box cover 460 and casing body 430.
Lower edge in casing body 430 former and later two sides is provided with a lug 414 that has the hole respectively; Through making securing members such as screw pass the hole on the lug 414 this intelligent management device of single user power site with meter-reading function is installed on predetermined installation site; For example, be installed in the management box in the electrical network or in the electric quantity metering box.
Be appreciated that; For intelligent management device of single user power site with meter-reading function; Zero line inlet wire wire frame 456 and zero line outlet wire frame 450, and the installation site of live wire inlet wire wire frame 458 and live wire outlet wire frame 451 can occupy same one deck, also can the staggered floor setting.
See also Fig. 3 and Fig. 4, the structure of the intelligent management device of single user power site in the second embodiment of the invention and the similar of first embodiment illustrated in figures 1 and 2 with meter-reading function.
The intelligent management device of single user power site with meter-reading function of second embodiment of the invention comprises: the casing body 1 and box cover 14 that have base plate.Circuit board 2, power line input terminal 4, power line outlet terminal 3 are positioned at casing body 1 and box cover 14 formed casings.
The position class that is provided with of the indicator lamp hole 141 on the box cover 14, electronics sealing of hole 143,142,4 compact heaps of infrared receiving aperture and 4 screw holes 146 is similar to first embodiment, repeats no more at this.Not shown in the present embodiment display window, however in practical application, offer this display window if desired, can be according to actual needs on box cover 14 corresponding to the display of the metering module of box house and correspondingly offer display window.
4 stay hooks 147 that are arranged on the back side of box cover 14 match with 4 hook grooves 13 on being arranged on casing body 1; When box cover 14 covered in 1 last time of casing body; 4 stay hooks 147 can be firm hook 4 hook grooves and do not come off, thereby realize the strong bonded of box cover 14 and casing body 1.
Assembling form and installation site as for power line input terminal 4 and power line outlet terminal 3 are similar to first embodiment, also repeat no more at this.
See also Fig. 5, have the theory diagram of a specific embodiment of the intelligent management device of single user power site of meter-reading function for the present invention.The intelligent management device of single user power site that the present invention has meter-reading function comprises: power subsystem (figure does not show); Current signal Acquisition Circuit 501; Voltage signal acquisition circuit 502; Mlultiplying circuit; Integrating circuit; The U/f conversion; Frequency dividing circuit 503; Display driver 504; Pulse signal output circuit 505; Infrared receiving circuit 506; Decoding circuit 511; Decoding circuit 516; Moving envelope testing circuit 507; Moving envelope signal comparator 512; Current balance type testing circuit 508; Current balance type is device 513 relatively; Load current detection circuit 509; Load current comparator 514; Voltage abnormal detection circuit 510; Electric voltage exception comparator 515; Control circuit 517 and executive circuit 518.
Wherein, power subsystem is used to each circuit 501 to 517 operating voltage is provided.This power subsystem can be with behind the step-down of the process of the phase line (live line) voltage in the electrical network, the rectifying and wave-filtering, changes the required operating voltage of each circuit into; Also can be direct voltage source (for example ,+5V power supply).
The intelligent management device of single user power site with meter-reading function of present embodiment can have metering module, infrared data receiver module, moving tube sealing reason module, current anomaly administration module, electric voltage exception administration module.
In metering module; Current signal Acquisition Circuit 501 and voltage signal acquisition circuit 502 be current signal and the voltage signal in the real-time Acquisition Circuit respectively, and they are transferred in mlultiplying circuit, integrating circuit, U/f conversion (voltage/frequency conversion), the frequency dividing circuit 503.In circuit 503, carry out multiplication calculating, Integral Processing, voltage/frequency conversion, thereby be the frequency signal of correspondence, and then carry out frequency division the correspondent voltage conversion of signals.Signal through behind the frequency division transfers to display driver 504, to show the energy value of metering.In addition, also can the signal behind the frequency division be transferred to pulse signal output circuit 505, this energy value outwards transmitted through mode such as wired, wireless, so just can realize remote meter-reading function by pulse signal output circuit 505.
In the infrared data receiver module; Infrared receiving circuit 506 receives from the outside signal that comes with the infrared mode transmission of this device; And transmit it to decoding circuit 511, decode by 511 pairs of these signals of decoding circuit, to confirm the final transmission object of extraneous signal; Confirm promptly which user this extraneous signal mails to, and decoded corresponding information is transferred to decoding circuit 516.This decoding circuit 516 is used for accomplishing which kind of operation to resolving from the information of decoding circuit 511 to confirm its final object that sends of external infrared signal indication, for example, and unlocking operation, the operation of checking meter.
In moving tube sealing reason module, whether moving envelope testing circuit 507 is used for the envelope body of detected electrons envelope by loosening.If detect this envelope body, then the corresponding signal of telecommunication is transferred to moving envelope signal comparator 512 by loosening.The signal of telecommunication that moving envelope signal comparator 512 seals testing circuit 507 in the future automatically compares with reference electrical signal; And when the signal of telecommunication that comes envelope testing circuit 507 automatically during greater than reference electrical signal, this envelope body of output expression is by the loosening signal of telecommunication to control circuit 517.This envelope body of expression of envelope signal comparator 512 is produced control signal corresponding by the loosening signal of telecommunication to control circuit 517 according to coming automatically, and this control signal is transferred to executive circuit 518.Executive circuit 518 is according to moving from the control signal of control circuit 517, connects (phase line of promptly cutting off electronics envelope institute corresponding line connect and/or zero line connection etc.) with the power line that cuts off electronics envelope institute corresponding line.Like this, when the moving envelope of people was carried out stealing, the intelligent management device of single user power site with meter-reading function of present embodiment can cut off corresponding supply of electric power, thereby the electric power property that guarantees power department is not suffered a loss.
The current anomaly administration module comprises current balance type management module and load current administration module.
Wherein, in current balance type management module, whether the electric current that current balance type testing circuit 508 is used for detecting circuit-under-test balance.Detecting element in the current balance type testing circuit 508 can be zero sequence current mutual inductor.In the practical application, this zero sequence current mutual inductor is enclosed within on the live wire and zero line of circuit-under-test.When between live wire electric current and the neutral line current during disequilibrium, the coil-induced of this zero sequence current mutual inductor goes out the correspondent voltage signal, and transmits it to the relatively in-phase input end of device 513 of current balance type.Current balance type comparison device 513 will compare with the first predetermined reference voltage value that is input to its inverting input from the voltage signal of zero sequence current mutual inductor; And when the voltage signal from zero sequence current mutual inductor is higher than first reference voltage value, this current balance type comparison device 513 will represent that the unbalanced high level signal of electric current transfers to control circuit 517.Control circuit 517 bases produce control signal corresponding from the signal of telecommunication of the current unbalance of the expression circuit-under-test of current balance type comparison device 513, and this control signal is transferred to executive circuit 518.Executive circuit 518 connects (phase line of promptly cutting off 508 corresponding line of current balance type testing circuit connects and/or the zero line connection) according to moving from the control signal of control circuit 517 with the power line that cuts off 508 corresponding line of current balance type testing circuit.Like this, when the current unbalance of circuit-under-test, the intelligent management device of single user power site with meter-reading function of present embodiment can cut off corresponding supply of electric power, thereby the electric power property that guarantees power department and/or user is not suffered a loss.
Certainly, the detecting element in the current balance type testing circuit 508 also can be the copper-manganese sheet that is provided with in pairs.In pairs the first copper-manganese sheet in the copper-manganese sheet and the second copper-manganese sheet be serially connected in circuit-under-test respectively live wire in and be serially connected in the zero line of circuit-under-test; Corresponding to the electric current that flows through said copper-manganese sheet; The two ends of the first copper-manganese sheet produce first voltage difference, and the second copper-manganese sheet produces second voltage difference.Because first voltage difference that produces like this and the value of second voltage difference are less, therefore, need the signalization amplifier in the current balance type testing circuit 508.And, also buffer circuit need be set in the current balance type testing circuit 508 in order not make the effect of signals circuit downstream after the amplification.So; First voltage difference and second voltage difference are through after amplifying; Isolate through the signal isolation circuit of correspondence respectively again and transfer to the current balance type relatively in-phase input end and the inverting input of device 513; And when first voltage difference and second voltage difference are unequal, this current balance type comparison device 513 will represent that the unbalanced high level signal of electric current transfers to control circuit 517.Control circuit 517 bases produce control signal corresponding from the signal of telecommunication of the current unbalance of the expression circuit-under-test of current balance type comparison device 513, and this control signal is transferred to executive circuit 518.Executive circuit 518 connects with the power line that cuts off 508 corresponding line of current balance type testing circuit according to moving from the control signal of control circuit 517.
In the load current administration module, whether load current detection circuit 509 is used for the load of testing circuit excessive.Load current detecting element in the load current detection circuit 509 can be the load current instrument transformer.In the practical application, this load current instrument transformer is enclosed within on the live wire of circuit-under-test.Corresponding to the electric current of the said live wire of flowing through, the coil-induced of this load current instrument transformer goes out the correspondent voltage signal, and transmits it to the in-phase input end of load current comparator 514.Load current comparator 514 compares said voltage signal and the second predetermined reference voltage value that is input to its inverting input.When the voltage signal from the load current mutual inductor coil is higher than second reference voltage value, load current comparator 514 will represent that the excessive high level signal of load transfers to control circuit 517.Control circuit 517 bases produce control signal corresponding from the excessive signal of telecommunication of the expression load current of load current comparator 514, and this control signal is transferred to executive circuit 518.Executive circuit 518 connects (phase line of promptly cutting off 509 corresponding line of load current detection circuit connects and/or the zero line connection) according to moving from the control signal of control circuit 517 with the power line that cuts off 509 corresponding line of load current detection circuit.Like this, when the load of circuit-under-test was excessive, the intelligent management device of single user power site with meter-reading function of present embodiment can cut off corresponding supply of electric power, thereby the electric power property that guarantees power department and/or user is not suffered a loss.
Certainly, the load current detecting element in the load current detection circuit 509 also can be the copper-manganese sheet, and it is serially connected in the live wire of circuit-under-test.Corresponding to the live wire electric current that flows through this copper-manganese sheet, this copper-manganese sheet produces the correspondent voltage signal, and transmits it to the in-phase input end of load current comparator 514.Load current comparator 514 will compare with the second predetermined reference voltage value that is input to its inverting input from the voltage signal of copper-manganese sheet; When the voltage signal from the copper-manganese sheet is higher than said second reference voltage value, load current comparator 514 will represent that the excessive high level signal of load transfers to control circuit 517.Control circuit 517 bases produce control signal corresponding from the excessive signal of telecommunication of the expression load current of load current comparator 514, and this control signal is transferred to executive circuit 518.Executive circuit 518 connects with the power line that cuts off 509 corresponding line of load current detection circuit according to moving from the control signal of control circuit 517.
In the electric voltage exception administration module, whether the voltage that voltage abnormal detection circuit 510 is used for testing circuit occurs unusually.If detecting said voltage occurs then the corresponding signal of telecommunication being transferred to electric voltage exception comparator 515 unusually.Electric voltage exception comparator 515 will compare with reference electrical signal from the signal of telecommunication of voltage abnormal detection circuit 510; And when from the signal of telecommunication of voltage abnormal detection circuit 510 during greater than reference electrical signal, the unusual signal of telecommunication to control circuit 517 appears in output expression voltage.Control circuit 517 the unusual signal of telecommunication occurs according to the expression voltage from electric voltage exception comparator 515 and produces control signal corresponding, and this control signal is transferred to executive circuit 518.Executive circuit 518 connects (phase line of promptly cutting off 510 corresponding line of voltage abnormal detection circuit connects and/or the zero line connection) according to moving from the control signal of control circuit 517 with the power line that cuts off 510 corresponding line of voltage abnormal detection circuit.Like this; When the voltage of circuit-under-test occurs when unusual; The intelligent management device of single user power site with meter-reading function of present embodiment can cut off corresponding supply of electric power, thereby the electric power property and/or the lives and properties that guarantee power department and/or user are not suffered a loss.
See also Fig. 6, be the concrete realization circuit diagram of block diagram shown in Figure 5.
Wherein, power circuit comprises: resistance 1R50,1R16,1R46,1R42～1R44, electric capacity 1C24,1C23,1C13～1C16, diode 1D13～1D16, light-emitting diode 1LED2, voltage stabilizing didoe 1DW2 and triode 1V5.
Moving envelope testing circuit 507 and moving envelope signal comparator 512 comprise: K switch 1, resistance 1R27～1R30, diode 1D6,1D7, light-emitting diode 1LED5, electric capacity 1C18 and integrated circuit 1IC7-2.
Voltage abnormal detection circuit 510 comprises with electric voltage exception comparator 515: resistance 1R52,1R51,1R48,1R49,1R38～1R40, electric capacity 1C25, diode 1D17～1D20, integrated circuit 1IC8 and diode 1D12.
Current balance type testing circuit 508 comprises current transformer CT1, diode 1D11,1D10, resistance 1R35～1R37, integrated circuit 1IC7-4 and electric capacity 1C21 with current balance type comparison device 513.
Load current detection circuit 509 comprises with load current comparator 514: current transformer CT2, diode 1D8,1D9, resistance 1R31～1R34 and electric capacity 1C20.
Decoding circuit 511 comprises integrated circuit 1IC5 and resistance 1R22.
Decoding circuit 516 comprises integrated circuit 1IC6,1IC7-1, diode 1D2～1D5, light-emitting diode 1LED4, resistance 1R23～1R26 and electric capacity 1C17.
The operation principle and the flow process of infrared data receiver module, moving tube sealing reason module, current anomaly administration module, electric voltage exception administration module, metering module are described below.
The operation principle and the flow process of moving tube sealing reason module at first, are described.Detecting element when the electronics envelope; When being sensitive switch 1K1 disconnection; 1C point current potential uprises; This high potential signal is input to the in-phase input end of comparator 1IC7-2 through diode 1D7, resistance 1R30, and comparator 1IC7-2 compares the reference voltage of this high potential signal with its inverting input of input.When this high potential signal during greater than this reference voltage, comparator 1IC7-2 exports high potential.The high potential of comparator 1IC7-2 output is input to the base stage of triode 1V4 through light-emitting diode 1LED5, resistance 1R41; So, this triode 1V4 conducting, triode 1V6,1V7 correspondingly end; So just, make relay 1J1,1J2 carry out open-circuit operation, to cut off supply of electric power.
The operation principle and the workflow of next account for voltage exception management module.When electric voltage exception, the voltage of the dividing point of resistance 1R51,1R52 is through diode 1D17-1D20 bridge rectifier, filtering, and after resistance 1R48,1R49 dividing potential drop, is input to the in-phase input end of comparator 1IC8 again through resistance 1R39.The voltage that comparator 1IC8 will be input to in-phase input end compares with the reference voltage that is input to inverting input.When the voltage that is input to in-phase input end was higher than reference voltage, comparator 1IC8 exported high potential.This high potential signal is input to the base stage of triode 1V4 through diode 1D12, resistance 1R41, so, this triode 1V4 conducting, triode 1V6,1V7 correspondingly end, and so just make relay 1J1,1J2 carry out open-circuit operation, to cut off supply of electric power.
The operation principle and the workflow of current balance type management module are described once more.When zero line, live wire current imbalance, zero sequence current mutual inductor CT1 induces voltage signal, and this voltage signal is input to the in-phase input end of comparator 1IC7-4 after diode 1D11 rectification.Voltage signal and reference voltage that comparator 1IC7-4 will be input to its in-phase input end compare.When the voltage signal that is input to its in-phase input end was higher than reference voltage, this comparator 1IC7-4 exported high potential.This high potential is input to the base stage of triode 1V4 through diode 1D10, resistance 1R41, so, this triode 1V4 conducting, triode 1V6,1V7 correspondingly end, and so just make relay 1J1,1J2 carry out open-circuit operation, to cut off supply of electric power.
Next, the operation principle and the workflow of load current administration module are described.The voltage signal that load current instrument transformer CT2 induces is through diode 1D9 rectification, and is input to the in-phase input end of comparator 1IC7-3 through resistance 1R33.Comparator 1IC7-3 will be input to its in-phase input end and compare with the reference voltage that is input to its inverting input, and when the voltage signal that is input to its in-phase input end was higher than reference voltage, comparator 1IC7-3 exported high potential.This high potential is input to the base stage of triode 1V4 through diode 1D8, resistance 1R41, so, this triode 1V4 conducting, triode 1V6,1V7 correspondingly end, and so just make relay 1J1,1J2 carry out open-circuit operation, to cut off supply of electric power.
Then, put off until some time later the operation principle and the workflow of bright infrared data receiver module.The hot external circuit 1IC4 that is gathered into receives the instruction that remote controller sends, the corresponding signal of pin 3 outputs of integrated circuit 1IC4.This signal is transported to the input of decoding integrated circuit 1IC5 again through resistance 1R21 after resistance 1R17,1R20, triode 1V2 amplify.Integrated circuit 1IC5 solves digital signal corresponding, and transmits it to decoder ic 1IC6.Decoder ic 1IC6 translates corresponding instruction, and what for example translate is the instruction that has a power failure, then the pin one 4 output high potentials of decoder ic 1IC6.This high potential signal is through diode 1D2, and resistance 1R26 is input to the in-phase input end of comparator 1IC7-1.The signal that comparator 1IC7-1 will be input to its in-phase input end compares with the reference voltage that is input to its inverting input, and when the signal that is input to its in-phase input end was higher than reference voltage, this comparator 1IC7-1 exported high potential.This high potential signal is through light-emitting diode 1LED4, resistance 1R41 and be input to the base stage of triode 1V4; So, this triode 1V4 conducting, triode 1V6,1V7 correspondingly end; So just, make relay 1J1,1J2 carry out open-circuit operation, to cut off supply of electric power.
The operation principle and the workflow of metering module are described in conjunction with Fig. 7 at last.
As shown in Figure 7, voltage signal acquisition circuit 502 comprises: resistance 1R3～1R6,1R10～1R12, variable resistor 1W and electric capacity 1C18.Current signal Acquisition Circuit 501 comprises copper-manganese sheet resistor 1R7, resistance 1R8,1R9 and electric capacity 1C3.Mlultiplying circuit, integrating circuit, U/f conversion, frequency dividing circuit 503 comprise: integrated circuit 1IC3; Crystal oscillator XT; Electric capacity 1C1,1C2; Wherein integrated circuit 1IC3 is the computing and the processing unit of metering module, and it accomplishes functions such as corresponding multiplying, integral operation circuit, U/f conversion, frequency division.Pulse signal output circuit 505 comprises: resistance 1R15, light-emitting diode 1LED1, integrated circuit 1IC2 and plug JP.Display driver 504 comprises stepping motor and counter 1M.Power circuit comprises: resistance 1R12,1R14, electric capacity 1C1,1C2,1C6,1C7, diode 1D1, voltage stabilizing didoe 1DW1 and integrated circuit 1IC1.
When electric current flow through copper-manganese sheet resistor 1R7, the 1A of copper-manganese sheet resistor 1R7,1B 2 generations voltage difference and voltage signal multiplied each other and draw active power.This active power is transported to the voltage/frequency change-over circuit and is frequency signal with voltage transitions, by frequency dividing circuit this frequency signal is carried out frequency division again, exports corresponding signal then and comes drive stepping motor 1M register with the accumulative total electric weight number of degrees.And the pulse signal of output is isolated output through integrated circuit 1IC2, uses for calibration.
It may be noted that; Provided by the inventionly comprise meter-reading module with power usage site intelligent management device; This meter-reading module comprises data acquisition unit and data transmission unit, and said data acquisition unit is used to gather the energy value from metering module, and transmits it to data transmission unit; Said data transmission unit is used for the energy value from data acquisition unit is transferred to the office terminal through wire transmission mode or wireless transmission method, and said wireless transmission method comprises carrier transmission mode or Infrared Transmission mode or GPRS or GSM or CDMA transmission means or by means of the transmission means of telephone network.Above-mentioned technology can adopt technique known, repeats no more at this.
It is understandable that above execution mode only is the illustrative embodiments that adopts for principle of the present invention is described, yet the present invention is not limited thereto.For the one of ordinary skilled in the art, under the situation that does not break away from spirit of the present invention and essence, can make various modification and improvement, these modification also are regarded as protection scope of the present invention with improving.
Claims (9)
1. intelligent management device of single user power site with meter-reading function, it is characterized in that comprising: power line inlet wire interface, power line go out line interface, power subsystem, detecting unit, control unit and performance element; The control end of said performance element connects said control unit, and the controlled end of said performance element is serially connected in said power line inlet wire interface and power line goes out between the line interface; Wherein
Said power subsystem is used to detecting unit, control unit and performance element operating voltage is provided;
Whether the circuit that said detecting unit is used for detecting its place occurs unusually, occurs unusually if detect, and then produces expression and the unusual signal of telecommunication occurs, and transmit it to control unit;
Said control unit produces control signal according to the signal of telecommunication from detecting unit, and this control signal is transferred to performance element;
Said performance element moves according to said control signal, to cut off the supply of electric power of place circuit;
Also comprise: data acquisition unit and data transmission unit, said data acquisition unit are used to gather the energy value from metering module, and transmit it to data transmission unit; Said data transmission unit is used for the energy value from data acquisition unit is transferred to the office terminal through wire transmission mode or wireless transmission method.
2. the intelligent management device of single user power site with meter-reading function as claimed in claim 1; It is characterized in that: said power line inlet wire interface comprises phase line inlet wire interface and zero line inlet wire interface; Said power line goes out line interface and comprises that phase line goes out line interface and zero line goes out line interface, and said performance element is serially connected in phase line inlet wire interface and phase line and goes out between the line interface and/or be serially connected in said zero line inlet wire interface and zero line goes out between the line interface.
3. the intelligent management device of single user power site with meter-reading function as claimed in claim 1; It is characterized in that: said detecting unit comprises the electric voltage exception detecting unit; Whether the voltage that is used for testing circuit occurs unusually; Occur unusually if detect said voltage, then produce expression voltage and the unusual signal of telecommunication occurs, and transmit it to control unit.
4. the intelligent management device of single user power site with meter-reading function as claimed in claim 1; It is characterized in that: said detecting unit comprises the current balance type detecting unit; Said current balance type detecting unit comprises current balance type detecting element and comparator; Said current balance type detecting element comprises zero sequence current mutual inductor or the copper-manganese sheet that is provided with in pairs, wherein
Said zero sequence current mutual inductor is enclosed within on the live wire and zero line of circuit-under-test; When between live wire electric current and the neutral line current during disequilibrium; Said zero sequence current mutual inductor coil-induced goes out the correspondent voltage signal; And transmit it to the in-phase input end of comparator; Said comparator compares said voltage signal and the first predetermined reference voltage value that is input to its inverting input, and when the voltage signal from zero sequence current mutual inductor is higher than said first reference voltage value, said comparator will represent that the unbalanced high level signal of electric current transfers to said control unit;
The first copper-manganese sheet in a pair of copper-manganese sheet of said paired setting and the second copper-manganese sheet are serially connected in the live wire of circuit-under-test respectively and are serially connected in the zero line of circuit-under-test; Corresponding to the electric current that flows through said copper-manganese sheet; The two ends of the said first copper-manganese sheet produce first voltage difference; The said second copper-manganese sheet produces second voltage difference; Said first voltage difference and second voltage difference are through after amplifying; Isolate in-phase input end and the inverting input that transfers to said comparator through the signal isolation circuit of correspondence respectively again, and when said first voltage difference and second voltage difference are unequal, said comparator will represent that the unbalanced high level signal of electric current transfers to said control unit.
5. the intelligent management device of single user power site with meter-reading function as claimed in claim 1; It is characterized in that: said detecting unit comprises the load current detecting unit; Said load current detecting unit comprises load current detecting element and comparator; Said load current detecting element comprises load current instrument transformer and copper-manganese sheet, wherein
Said load current instrument transformer is enclosed within on the live wire of circuit-under-test; Electric current corresponding to the said live wire of flowing through; Said load current instrument transformer coil-induced goes out the correspondent voltage signal; And transmit it to the in-phase input end of comparator; Said comparator compares said voltage signal and the second predetermined reference voltage value that is input to its inverting input, and when being higher than said second reference voltage value from load current mutual inductor coil voltage signal, said comparator will represent that the excessive high level signal of load transfers to said control unit;
Said copper-manganese sheet is serially connected in the live wire of circuit-under-test; Corresponding to the live wire electric current that flows through said copper-manganese sheet; Said copper-manganese sheet produces the correspondent voltage signal; And transmit it to the in-phase input end of said comparator; Said comparator compares said voltage signal and the second predetermined reference voltage value that is input to its inverting input, and when being higher than said second reference voltage value from load current mutual inductor coil voltage signal, said comparator will represent that the excessive high level signal of load transfers to said control unit.
6. the intelligent management device of single user power site with meter-reading function as claimed in claim 1 is characterized in that also comprising: infrared signal receiving element, decoding unit and decoding unit, wherein
Saidly be used to receive from the outside infrared signal of said device, and with the infrared signal transmission that receives to decoding unit;
Said decoding unit is used for the acquisition digital signal corresponding, and transmitting it to decoding unit with decoding from the infrared signal of infrared signal receiving element;
Said decoding unit is used for the information from decoding unit is resolved, with the command information that obtains to be comprised in the said extraneous signal.
7. the intelligent management device of single user power site with meter-reading function as claimed in claim 6; It is characterized in that: said extraneous signal comprises unlocking signal and/or the signal of checking meter; The said extraneous signal that is received by said infrared signal receiving element is after decoding unit decodes, decoding unit decoding; Transfer to said control unit; Control corresponding performance element by said control unit and carry out release, be i.e. phase line inlet wire that recovery is disconnected and the electrical connection between the electrical connection between the phase line outlet and/or zero line inlet wire and the zero line outlet; Perhaps by the control of said control unit to the operation of checking meter of corresponding metering module.
8. the intelligent management device of single user power site with meter-reading function as claimed in claim 1 is characterized in that also comprising data acquisition unit and data transmission unit, wherein
Said data acquisition unit is used to gather the energy value of metering module, and transmits it to data transmission unit;
Said data transmission unit is used for the energy value from said data acquisition unit is transferred to the office terminal through wire transmission mode or wireless transmission method, and said wireless transmission method comprises carrier transmission mode or Infrared Transmission mode or GPRS or GSM or CDMA transmission means.
9. the intelligent management device of single user power site with meter-reading function as claimed in claim 1; It is characterized in that also comprising shell; Said power subsystem, detecting unit, control unit and performance element place in the said shell; Said inlet wire interface is positioned at a side of said shell, saidly goes out line interface and is positioned on the side relative with side, said inlet wire interface place on the shell.
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| CN201210028336.XA CN102655317B (en) | 2006-04-18 | 2007-04-18 | There is the intelligent management device of single user power site of meter-reading function |
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| CN200610018817 | 2006-04-18 | ||
| CN200610018817.7 | 2006-04-18 | ||
| CN2007100937616A CN101087062B (en) | 2006-04-18 | 2007-04-18 | Intelligent management device of single user power site |
| CN201210028336.XA CN102655317B (en) | 2006-04-18 | 2007-04-18 | There is the intelligent management device of single user power site of meter-reading function |
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| CN2007100937616A Division CN101087062B (en) | 2006-04-18 | 2007-04-18 | Intelligent management device of single user power site |
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| CN102655317A true CN102655317A (en) | 2012-09-05 |
| CN102655317B CN102655317B (en) | 2015-11-25 |
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| CN201210028336.XA Expired - Fee Related CN102655317B (en) | 2006-04-18 | 2007-04-18 | There is the intelligent management device of single user power site of meter-reading function |
| CN201210028300.1A Expired - Fee Related CN102593951B (en) | 2006-04-18 | 2007-04-18 | Single-user power utilization field intelligent management device with prepayment function |
| CN201210028327.0A Active CN102655350B (en) | 2006-04-18 | 2007-04-18 | Single-user power utilization site intelligent management device with electronic seal function |
| CN201210028314.3A Expired - Fee Related CN102664383B (en) | 2006-04-18 | 2007-04-18 | Intelligent management device of single user power site |
| CNU2007201401673U Expired - Lifetime CN201130843Y (en) | 2006-04-18 | 2007-04-18 | Single user energy consumption on-site intelligent management apparatus |
| CN2010106211703A Expired - Fee Related CN102142715B (en) | 2006-04-18 | 2007-04-18 | Intelligent management device for electricity consumption field |
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| CN201210028300.1A Expired - Fee Related CN102593951B (en) | 2006-04-18 | 2007-04-18 | Single-user power utilization field intelligent management device with prepayment function |
| CN201210028327.0A Active CN102655350B (en) | 2006-04-18 | 2007-04-18 | Single-user power utilization site intelligent management device with electronic seal function |
| CN201210028314.3A Expired - Fee Related CN102664383B (en) | 2006-04-18 | 2007-04-18 | Intelligent management device of single user power site |
| CNU2007201401673U Expired - Lifetime CN201130843Y (en) | 2006-04-18 | 2007-04-18 | Single user energy consumption on-site intelligent management apparatus |
| CN2010106211703A Expired - Fee Related CN102142715B (en) | 2006-04-18 | 2007-04-18 | Intelligent management device for electricity consumption field |
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| CN101087062B (en) * | 2006-04-18 | 2012-06-27 | 湖北盛佳电器设备有限公司 | Intelligent management device of single user power site |
| CN102655317B (en) * | 2006-04-18 | 2015-11-25 | 湖北盛佳电器设备有限公司 | There is the intelligent management device of single user power site of meter-reading function |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN102664383B (en) | 2016-06-08 |
| CN102142715A (en) | 2011-08-03 |
| CN102664383A (en) | 2012-09-12 |
| CN102655350B (en) | 2015-05-20 |
| CN102142715B (en) | 2013-03-27 |
| CN102655350A (en) | 2012-09-05 |
| CN102593951A (en) | 2012-07-18 |
| CN102655317B (en) | 2015-11-25 |
| CN201130843Y (en) | 2008-10-08 |
| CN102593951B (en) | 2014-07-09 |
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