CN102655317B - There is the intelligent management device of single user power site of meter-reading function - Google Patents
There is the intelligent management device of single user power site of meter-reading function Download PDFInfo
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- CN102655317B CN102655317B CN201210028336.XA CN201210028336A CN102655317B CN 102655317 B CN102655317 B CN 102655317B CN 201210028336 A CN201210028336 A CN 201210028336A CN 102655317 B CN102655317 B CN 102655317B
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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 present invention is a kind of intelligent management device of single user power site with meter-reading function, and it comprises power line inlet interface, power line outlet interface, power subsystem, detecting unit, control unit and performance element.Power line inlet interface and power line outlet interface are placed in the opposite side of this device respectively, and the control end connection control unit of performance element, the controlled end of performance element is serially connected between power line inlet interface and power line outlet interface.Wherein, power subsystem is detecting unit, control unit and performance element provide operating voltage; Detecting unit is used for whether occurring exception in testing circuit, occurs abnormal, then produce the corresponding signal of telecommunication, and transmit it to control unit if detect; Control unit controls performance element correspondingly action according to the signal of telecommunication from detecting unit, to cut off the supply of electric power of place circuit.The intelligent management device of single user power site with meter-reading function provided by the invention can electricity theft prevention effectively, and its structure is comparatively compact, small volume.
Description
The division that the application carries out as female case based on the Chinese patent application that the application number that on April 18th, 2007 submits to is 200710093761.6, above-mentioned female case is required of the Chinese patent application priority that the application number submitted on April 18th, 2006 is 200610018817.7.
Technical field
The present invention relates to electro-mechanical arts, particularly relate to a kind of management devices being applied to electric power system.
Background technology
At present, usually need to configure the electricity consumption field management device with certain management function in administration of power networks.The functions such as so-called management function can comprise metering, checks meter, remote data transmission, also can comprise the functions such as such as arrearage power failure.Just a kind of like this management devices with arrearage power failure function is there is in prior art.This management devices comprises shell, the related function module be placed in shell, and the incoming line of this management devices and line outlet are positioned at the same side, that is, this device can adopt the mode from the upside inlet wire of this management devices, upside outlet (namely enterprising go out), also can adopt the mode of the downside inlet wire from this management devices, downside outlet (going out under namely entering).The management devices of even now can realize certain management function, but in actual applications, such inlet wire outlet method is not only lawless people stealing and provides convenience, but also be unfavorable for the cabling of management devices inside and the layout of each functional module, thus, the space availability ratio of this device inside will certainly be caused lower, thus make that the structure of this device is comparatively loose, volume is larger.
Summary of the invention
For solving the problems of the technologies described above, the invention provides a kind of intelligent management device of single user power site with meter-reading function, it can electricity theft prevention effectively, and its structure is comparatively compact, small volume.
For this reason, technical scheme of the present invention is: provide a kind of user power utilization usage site intelligent management device, it comprises: power line inlet interface, power line outlet interface, power subsystem, detecting unit, control unit and performance element, has the opposite side of the intelligent management device of single user power site of meter-reading function described in described power line inlet interface and power line outlet interface are placed in respectively; The control end of described performance element connects described control unit, and the controlled end of described performance element is serially connected between described power line inlet interface and power line outlet interface.Wherein, described power subsystem is used for providing operating voltage for detecting unit, control unit and performance element; Described detecting unit for detect its place circuit in whether there is exception, occur if detect abnormal, then produce and represent and occur the abnormal signal of telecommunication, and transmit it to control unit; Described control unit produces control signal according to the signal of telecommunication from detecting unit, and this control signal is transferred to performance element; The action according to described control signal of described performance element, to cut off the supply of electric power of place circuit.
Wherein, described power line inlet interface comprises phase line inlet interface and zero line inlet interface, described power line outlet interface comprises phase line outlet interface and zero line outlet interface, and described performance element is serially connected between phase line inlet interface and phase line outlet interface and/or is serially connected between described zero line inlet interface and zero line outlet interface.
The intelligent management device of single user power site with meter-reading function provided by the invention also comprises metering module, and described metering module comprises: current signal collecting unit, for the current signal in Real-time Collection circuit; Voltage signal acquisition unit, for the voltage signal in Real-time Collection circuit; Computing and processing unit, instantaneous parameter is obtained for being multiplied with the voltage signal from described voltage signal acquisition unit by the current signal from described current signal collecting unit, and carry out accumulative obtaining corresponding energy value to instantaneous parameter, then output frequency and the proportional pulse signal of electric energy; Display unit, for showing energy value according to the pulse signal from computing and processing unit; And/or output of pulse signal unit, for the energy value from arithmetic element is outwards exported in the form of a pulse, to carry out calibration.
Wherein, described instantaneous parameter is active power and/or reactive power, by carrying out integration to described active power and/or reactive power, to obtain the accumulative energy value corresponding to the described time of integration.
Wherein, described display unit comprises LCD display and drive circuit thereof, and LCD drive circuit drives LCD display to show described energy value according to described pulse signal; Or described display unit comprises stepping motor and mechanical register, according to described pulse signal, driving mechanical register shows described energy value to described stepping motor.
Wherein, described detecting unit comprises dynamic envelope detecting unit, and whether the envelope body for detected electrons envelope is loosened, if detect, described envelope body is loosened, then produce and represent that described envelope body is by the signal of telecommunication loosened, and transmit it to control unit; Described control unit produces corresponding control signal according to the signal of telecommunication carrying out automatic sealing package detecting unit, and described control signal is transferred to performance element; The action according to described control signal of described performance element, connects with the power line cutting off place circuit.
Preferably, described dynamic envelope detecting unit comprises pressure sensor or normal open switch, when wherein said pressure sensor detects that the pressure of self-styled body is less than set point, just produces and represents that described envelope body is by the dynamic envelope signal of telecommunication loosened, and transmit it to control unit; Described normal open switch is when described Feng Tiwei is loosened, and its moving contact contacts with fixed contact under the compressing of envelope body, and normal open switch is in closure state; When described envelope body is loosened, described moving contact is separated with fixed contact, and normal open switch is in off-state, just produces and represents that described envelope body is by the dynamic envelope signal of telecommunication loosened, and transmit it to control unit.
Preferably, described detecting unit comprises electric voltage exception detecting unit, whether occurs exception for the voltage in testing circuit, and it is abnormal if detect, described voltage occurs, then produce and represent that the abnormal signal of telecommunication appears in voltage, and transmit it to control unit.
Preferably, described detecting unit comprises current balance type detecting unit, described current balance type detecting unit comprises current balance type detecting element and comparator, the copper-manganese sheet that described current balance type detecting element comprises zero sequence current mutual inductor or arranges in pairs, wherein, on the live wire that described zero sequence current mutual inductor is enclosed within circuit-under-test and zero line, between live wire electric current and neutral line current during disequilibrium, described zero sequence current mutual inductor coil-induced go out corresponding voltage signal, and transmit it to the in-phase input end of comparator, described voltage signal and the first predetermined reference voltage value being input to its inverting input compare by described comparator, and when the voltage signal from zero sequence current mutual inductor is higher than described first reference voltage value, unbalanced for expression electric current high level signal is transferred to described control unit by described comparator, the first copper-manganese sheet in a pair copper-manganese sheet of described 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 flowing through described copper-manganese sheet, the two ends of described first copper-manganese sheet produce the first voltage difference, described second copper-manganese sheet produces the second voltage difference, described first voltage difference and the second voltage difference are after amplifying, the in-phase input end transferring to described comparator and inverting input is isolated again respectively by the signal isolation circuit of correspondence, and when described first voltage difference and the second voltage difference unequal time, unbalanced for expression electric current high level signal is transferred to described control unit by described comparator.
Preferably, described detecting unit comprises load current detection unit, and described load current detection unit comprises load current detection element and comparator, and described load current detection element comprises load current instrument transformer and copper-manganese sheet.Wherein, described load current instrument transformer is enclosed within the live wire of circuit-under-test, corresponding to the electric current flowing through described live wire, described load current instrument transformer coil-induced go out corresponding voltage signal, and transmit it to the in-phase input end of comparator, described voltage signal and the second predetermined reference voltage value being input to its inverting input compare by described comparator, when from load current mutual inductor coil voltage signal higher than described second reference voltage value time, described comparator will represent that the excessive high level signal of load transfers to described control unit; Described copper-manganese sheet is serially connected in the live wire of circuit-under-test, corresponding to the live wire electric current flowing through described copper-manganese sheet, described copper-manganese sheet produces corresponding voltage signal, and transmit it to the in-phase input end of described comparator, described voltage signal and the second predetermined reference voltage value being input to its inverting input compare by described comparator, when from load current mutual inductor coil voltage signal higher than described second reference voltage value time, described comparator will represent that the excessive high level signal of load transfers to described control unit.
Preferably, the intelligent management device of single user power site with meter-reading function provided by the invention also comprises data receipt unit, decoding unit and decoding unit, wherein, described IR signal reception unit for receiving the infrared signal from described device outside, and by the infrared signal transmission that receives to decoding unit; Described decoding unit is used for the infrared signal from IR signal reception unit to decode, and to obtain corresponding digital signal, and transmits it to decoding unit; Described decoding unit is used for resolving the information from decoding unit, to obtain the command information comprised in described extraneous signal.
Wherein, described extraneous signal comprises unlocking signal and/or signal of checking meter, the described extraneous signal received by described IR signal reception unit is after decoding unit decodes, decoding unit decoding, transfer to described control unit, control corresponding performance element by described control unit to unlock, namely recover the electrical connection between the phase line inlet wire that is disconnected and phase line outlet and/or the electrical connection between zero line inlet wire and zero line outlet; Or controlled to check meter operation to corresponding metering module by described control unit.
The 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, described data acquisition unit for gathering the energy value of metering module, and transmits it to data transmission unit; Described data transmission unit to be used for the energy value from described data acquisition unit by wire transmission mode or wireless transmission to office terminal, and described wireless transmission method comprises carrier transmission mode or infrared transmission mode or GPRS or GSM or CDMA transmission means or the transmission means by telephone network.
Preferably, power usage site intelligent management device provided by the invention also comprises pre-payment module, described pre-payment module comprises prepaid data input unit, for inputting prepaid data, and by this transfer of data to control unit, under the control of described control unit, by described prepaid data by described display unit display translation and/or described prepaid data is stored in memory cell and/or described prepaid data is transferred to office terminal.
Wherein, described 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.
The intelligent management device of single user power site with meter-reading function provided by the invention also comprises shell, described power subsystem, detecting unit, control unit and performance element are placed in described shell, described inlet interface is positioned at a side of described shell, and described outlet interface is positioned on the side relative with side, described inlet interface place on shell.
Preferably, described computing and processing unit share a CPU with described control unit.
Relative to prior art, beneficial effect of the present invention is: to be positioned at two the relative sides on this device with power line outlet interface due to the power line inlet interface with the intelligent management device of single user power site of meter-reading function provided by the invention, namely power line inlet enters this device from a side, and power line outlet draws this device from relative side.Like this, the stealing carried out for the larger power line inlet of the distance being positioned at opposite flank and power line outlet will be not easy to.Therefore, the intelligent management device of single user power site with meter-reading function provided by the invention can electricity theft prevention 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, detecting unit can to such as whether there is electric voltage exception phenomenon, current anomaly phenomenon, the abnormal conditions such as Feng Ti that loosen electronic seal detect, can also to whether having the situation such as arrearage power cut signal, remote controlled unlocking signal to monitor.When detecting unit detect in circuit there is exception or have extraneous signal time; control unit just produces control signal to make performance element correspondingly action, so that the electrical connection cut off or recover between described zero line inlet interface and zero line outlet interface and/or between described phase line inlet interface and phase line outlet interface.Therefore, power usage site intelligent management device provided by the invention has the management function of abnormal conditions such as Feng Ti for electric voltage exception phenomenon and/or current anomaly phenomenon and/or loosening electronic seal and/or the multiple situation such as arrearage power failure and/or remote controlled unlocking.
Further, in a preferred embodiment of the present invention, the intelligent management device of single user power site with meter-reading function also comprises metering module.Therefore, the intelligent management device of single user power site with meter-reading function provided by the invention also has function of measuring.
Accompanying drawing explanation
Fig. 1 is the mechanical structure decomposing schematic representation with the intelligent management device of single user power site of meter-reading function of first embodiment of the invention;
Fig. 2 is for having the structural representation at the box cover back side of the intelligent management device of single user power site of meter-reading function shown in Fig. 1;
Fig. 3 is the mechanical structure decomposing schematic representation with the intelligent management device of single user power site of meter-reading function of second embodiment of the invention;
Fig. 4 is for having the structural representation at the box cover back side of the intelligent management device of single user power site of meter-reading function shown in Fig. 3;
Fig. 5 is the theory diagram that the present invention has a specific embodiment of the intelligent management device of single user power site of meter-reading function;
The part realizing circuit figure that Fig. 6 is block diagram shown in Fig. 5;
The realizing circuit figure that Fig. 7 is the metering module of block diagram shown in Fig. 5.
Embodiment
For making those skilled in the art person understand the solution of the present invention better, below in conjunction with accompanying drawing, the intelligent management device of single user power site with meter-reading function provided by the invention is described in detail.
Refer to 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 carry out for 1 terminal use the electricity consumption field management device that manages.
The intelligent management device of single user power site with meter-reading function of the present embodiment comprises: with the box-like body 430 of base plate, box cover 460, first circuit board 420, second circuit board 440 and tertiary circuit plate 490.Wherein, first circuit board 420, second circuit board 440 and tertiary circuit plate 490 are placed in the casing that formed by box-like body 430 and the box cover 460 with base plate.
Second circuit board 440 is provided with 4 status indicator lamps 447, indicates following state respectively: power supply is connected, receive remote signal, have people move envelope and normally have a power failure, that is, when energized, represent that the indicator light that power supply is connected is bright; When a remote control signal is received, represent that the indicator light receiving remote signal is bright; When there being people to loosen the envelope body of electronic seal, indicate that people moves the indicator light of envelope bright; When normally having a power failure because of reasons such as arrearages, represent that the normal indicator light had a power failure is bright.
The left side of status indicator lamp 447 is provided with IR signal reception unit 467, for receiving the infrared signal from outside.The detecting unit 466 of electronic seal is provided with in the left side of IR signal reception unit 467, for detecting the envelope body whether someone loosens electronic seal, when there being people to move envelope, just dynamic envelope signal is produced, and transmitting it to control unit, control unit produces corresponding control signal, and this control signal is transferred to performance element, i.e. control unit control relay 446 and/or relay 445 action, connects with the power line disconnecting respective lines.
The substantial middle position, bottom of second circuit board 440 is provided with circuit board connecting contact pin 465, for being connected with the circuit board gang socket 421 be arranged on first circuit board 420.
Tertiary circuit plate 490 is used as Function Extension circuit board.It can be arranged the circuit corresponding to pre paid functionality, meter-reading function.Be provided with the socket 491 with jack in the upper right corner of tertiary circuit plate 490, carry out data communication for the same external world.Be similar to circuit board connecting contact pin 465, circuit board connecting contact pin 492 is set in the substantial middle position, bottom of tertiary circuit plate 490, for being connected with the circuit board gang socket 421 be arranged on first circuit board 420.
Power line inlet side on first circuit board 420 is provided with relay 446, and opposite side on the other side is provided with relay 445.Two other opposite side on first circuit board 420 arranges circuit board gang socket 421 respectively, to match with the connecting contact pin 465 of second circuit board or the connecting contact pin 492 of tertiary circuit plate.
This electricity consumption field management device has power line inlet wiring skeleton frame 485 and power line outlet wiring skeleton frame 486.Corresponding to the cabling mode on a fiery ground in the present embodiment, this power line inlet wiring skeleton frame 485 and power line outlet wiring skeleton frame 486 have the installation site of two wire frames respectively, in order to install 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 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 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 is stretched in corresponding wire frame, and the other end curves down " U " shape is 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.
The zero line of electricity consumption field management device outside and live wire introduce this device by zero line inlet wire wire frame 456 and live wire inlet wire wire frame 458.Inner at this device, first first controlled end (power line inlet end) of relay 446 is connected to from the live wire of live wire inlet wire brace 459 extraction, successively pass through zero sequence current mutual inductor 455 and phase line current instrument transformer 448 after second controlled end (power line outlet end) of relay 446 after, be connected to live wire outlet brace 437, then draw this electricity consumption field management device by live wire outlet wire frame 451.Similarly, inner at this device, first the zero line of drawing from zero line inlet wire brace 457 passes zero sequence current mutual inductor 455, then first controlled end (power line inlet end) of relay 445 is connected to, the second controlled end (power line outlet end) through relay 445 is connected to zero line outlet brace 436, then draws this electricity consumption field management device by zero line outlet wire frame 450.
In box-like body 430, corresponding to the predetermined installation site of power line inlet wiring skeleton frame 485 and power line outlet wiring skeleton frame 486, and the holddown groove 434 arranged respectively for fixing power line inlet wiring skeleton frame 485 and power line outlet wiring skeleton frame 486, power line inlet wiring skeleton frame 485 and power line outlet wiring skeleton frame 486 are just placed in corresponding holddown groove 434 respectively, to be fixed it.Corresponding to the cabling mouth of power line inlet wiring skeleton frame 485, and on box-like body 430, offer 2 power line inlet holes 431, the zero line of electric field management device outside and live wire are connected to zero line inlet wire wire frame 456 and live wire inlet wire wire frame 458 accordingly by them.Corresponding to the cabling mouth on power line outlet wiring skeleton frame 486, and on box-like body 430, offer 2 power line outlet holes 432, to draw this device by from the zero line of zero line outlet wire frame 450 and live wire outlet wire frame 451 and live wire respectively by them, thus power for the device such as voltameter in this management devices downstream.
Box cover 460 matches with box-like body 430, to cover the casing of this electricity consumption field management device from top.Correspond to the display arranged with box house, and offering display window 479 on box cover 460.The information such as the energy value on the display screen of metering module can be made to reveal by this display window 479.Corresponding to the setting position of 4 status indicator lamps 447, and on box cover 460, offer 4 indicator lamp holes 474.Corresponding to the setting position of infrared receiver 467, and offer infrared receiving aperture 477 on box cover 460.Corresponding to the setting position of the detecting unit of electronic seal, and offer electronics sealing of hole 476 on box cover 460.Corresponding to the setting position of the screw on 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 on box cover 460, offer 4 screw holes 463.Corresponding to the setting position of zero line inlet wire brace 457, live wire inlet wire brace 459, zero line outlet brace 436 and live wire outlet brace 437, and compact heap 478 corresponding with them is respectively set at the back side (inner surface) of box cover 460.Like this, when box cover 460 is installed to after on box-like body 430,4 compact heaps 478 are just closely pressed on zero line inlet wire brace 457, live wire inlet wire brace 459, zero line outlet brace 436 and live wire outlet brace 437 respectively, thus ensure that being assembled to securely on wiring skeleton frame 485 or 486 of zero line inlet wire brace 457, live wire inlet wire brace 459, zero line outlet brace 436 and live wire outlet brace 437 better.
4 stay hooks 475 are set at the back side of box cover 460, to cooperatively interact with 4 hook groove (not shown) offering on box-like body 430.Like this, when box cover 460 covers on box-like body 430,4 stay hooks 475 firmly can hook 4 hook grooves and not come off, thus realize the strong bonded of box cover 460 and box-like body 430.
In the lower edge of former and later two sides of box-like body 430, the porose lug 414 of a band is set respectively, the intelligent management device of single user power site this by making the securing members such as screw pass the hole on lug 414 with meter-reading function is installed on predetermined installation site, such as, be arranged in the management box in electrical network or in electric quantity metering box.
Be appreciated that, for the 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 layer, also can arrange by staggered floor.
Refer to Fig. 3 and Fig. 4, the similar of the first embodiment shown in the structure with the intelligent management device of single user power site of meter-reading function in second embodiment of the invention and Fig. 1 and Fig. 2.
The intelligent management device of single user power site with meter-reading function of second embodiment of the invention comprises: with box-like body 1 and the box cover 14 of base plate.Circuit board 2, power line inlet terminal 4, power line outlet terminal 3 are positioned at the casing that box-like body 1 and box cover 14 are formed.
Circuit board 2 comprises roughly orthogonal two pieces of circuit boards.Approximate horizontal circuit board is provided with the relay 23 be serially connected on zero line, and is serially connected in the relay 23 on live wire.Phase line and zero line are simultaneously through zero sequence current mutual inductor 21, and phase line is also through phase line current instrument transformer 22.Roughly vertical circuit board is provided with the various components and parts 25 realizing various function.
The setting position of the indicator lamp hole 141 on box cover 14, electronics sealing of hole 143, infrared receiving aperture 142,4 compact heaps and 4 screw holes 146 is similar to the first embodiment, does not repeat them here.Not shown display window in the present embodiment, but in actual applications, if need to offer this display window, then can on box cover 14, correspond to the display of the metering module of box house according to actual needs and correspondingly offer display window.
4 stay hooks 147 being arranged on the back side of box cover 14 match with 4 the hook grooves 13 be arranged on box-like body 1, when box cover 14 covers on box-like body 1,4 stay hooks 147 firmly can hook 4 hook grooves and not come off, thus realize the strong bonded of box cover 14 and box-like body 1.
Be similar to the first embodiment as the assembling form of power line inlet terminal 4 and power line outlet terminal 3 and installation site, also repeat no more at this.
Refer to Fig. 5, there is for the present invention the theory diagram of a specific embodiment of the intelligent management device of single user power site of meter-reading function.The intelligent management device of single user power site that the present invention has meter-reading function comprises: power subsystem (not shown), current signal Acquisition Circuit 501, voltage signal acquisition circuit 502, mlultiplying circuit, integrating circuit, U/f changes, frequency dividing circuit 503, display driver 504, output of pulse signal circuit 505, infrared receiving circuit 506, decoding circuit 511, decoding circuit 516, dynamic envelope testing circuit 507, dynamic envelope signal comparator 512, current balance type testing circuit 508, current balance type compares device 513, 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 for providing operating voltage for each circuit 501 to 517.This power subsystem can be by the phase line (live line) voltage in electrical network after step-down, rectifying and wave-filtering, change the operating voltage needed for each circuit into; Also can be direct voltage source (such as, the power supply of+5V).
The intelligent management device of single user power site with meter-reading function of the present embodiment can have metering module, infrared data receiver module, dynamic envelope administration module, current anomaly administration module, electric voltage exception administration module.
In metering module, current signal respectively in Real-time Collection circuit of current signal Acquisition Circuit 501 and voltage signal acquisition circuit 502 and voltage signal, and they are transferred in mlultiplying circuit, integrating circuit, U/f conversion (voltage/frequency conversion), frequency dividing circuit 503.In circuit 503, carry out multiplication calculating, integral processing, voltage/frequency conversion, thus corresponding voltage signal is converted to corresponding frequency signal, and then carry out frequency division.Signal transmissions after frequency division to display driver 504, to show the energy value of metering.In addition, also can by the Signal transmissions after frequency division to output of pulse signal circuit 505, by output of pulse signal circuit 505, this energy value is outwards transmitted by the mode such as wired, wireless, so just can realize remote meter-reading function.
In infrared data receiver module, infrared receiving circuit 506 receives the signal come with infrared mode transmission from this device outside, and transmit it to decoding circuit 511, by decoding circuit 511, this signal is decoded, to determine the final sending object of extraneous signal, namely determine which user this extraneous signal mails to, and decoded corresponding information is transferred to decoding circuit 516.This decoding circuit 516 for resolving the information from decoding circuit 511, with determine external infrared signal indicate its final sending object complete which kind of operation, such as, unlocking operation, operation of checking meter.
In dynamic envelope administration module, whether the envelope body that dynamic envelope testing circuit 507 seals for detected electrons is loosened.If detect that this envelope body is loosened, then corresponding electric signal transmission is sealed signal comparator 512 to dynamic.The signal of telecommunication of dynamic envelope signal comparator 512 automatic sealing package testing circuit in future 507 compares with reference electrical signal, and when the signal of telecommunication carrying out automatic sealing package testing circuit 507 is greater than reference electrical signal, exports and represent this envelope body by the signal of telecommunication that loosens to control circuit 517.Control circuit 517 is produced corresponding control signal according to this envelope body of expression carrying out automatic sealing package signal comparator 512 by the signal of telecommunication loosened, and this control signal is transferred to executive circuit 518.Executive circuit 518 action according to the control signal from control circuit 517, connects (phase line namely cutting off circuit corresponding to electronic seal connect and/or zero line connection etc.) with the power line cutting off circuit corresponding to electronic seal.Like this, when have people move envelope carry out stealing time, the intelligent management device of single user power site with meter-reading function of the present embodiment can cut off corresponding supply of electric power, thus ensures that the electric power property of power department is not suffered a loss.
Current anomaly administration module comprises current balance type management module and load current administration module.
Wherein, in current balance type management module, whether current balance type testing circuit 508 balances for the electric current detected in circuit-under-test.Detecting element in current balance type testing circuit 508 can be zero sequence current mutual inductor.In practical application, on the live wire that this zero sequence current mutual inductor is enclosed within circuit-under-test and zero line.Between live wire electric current and neutral line current during disequilibrium, this zero sequence current mutual inductor coil-induced go out corresponding voltage signal, and transmit it to the in-phase input end that current balance type compares device 513.Current balance type compares device 513 and is compared with the first predetermined reference voltage value being input to its inverting input by the voltage signal from zero sequence current mutual inductor, and when the voltage signal from zero sequence current mutual inductor is higher than the first reference voltage value, this current balance type compares device 513 and unbalanced for expression electric current high level signal is transferred to control circuit 517.Control circuit 517 according to compare from current balance type device 513 expression circuit-under-test current unbalance the signal of telecommunication and produce corresponding control signal, and this control signal is transferred to executive circuit 518.Executive circuit 518 action according to the control signal from control circuit 517, connects (phase line namely cutting off circuit corresponding to current balance type testing circuit 508 connects and/or zero line connection) with the power line cutting off circuit corresponding to current balance type testing circuit 508.Like this, when the current unbalance of circuit-under-test, the intelligent management device of single user power site with meter-reading function of the present embodiment can cut off corresponding supply of electric power, thus ensures that the electric power property of power department and/or user is not suffered a loss.
Certainly, the detecting element in current balance type testing circuit 508 also can be the copper-manganese sheet arranged in pairs.The first copper-manganese sheet in paired copper-manganese sheet 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 flowing through described copper-manganese sheet, the two ends of the first copper-manganese sheet produce the first voltage difference, and the second copper-manganese sheet produces the second voltage difference.Because the value of the first voltage difference of producing like this and the second voltage difference is less, therefore, in current balance type testing circuit 508, need signalization amplifier.And in order to not make the effect of signals circuit downstream after amplification, also need in current balance type testing circuit 508 to arrange buffer circuit.So, first voltage difference and the second voltage difference are after amplifying, the in-phase input end and the inverting input that transfer to current balance type and compare device 513 is isolated again respectively by the signal isolation circuit of correspondence, and when the first voltage difference and the second voltage difference unequal time, this current balance type compares device 513 and unbalanced for expression electric current high level signal is transferred to control circuit 517.Control circuit 517 according to compare from current balance type device 513 expression circuit-under-test current unbalance the signal of telecommunication and produce corresponding control signal, and this control signal is transferred to executive circuit 518.Executive circuit 518 action according to the control signal from control circuit 517, connects with the power line cutting off circuit corresponding to current balance type testing circuit 508.
In load current administration module, whether load current detection circuit 509 is excessive for the load in testing circuit.Load current detection element in load current detection circuit 509 can be load current instrument transformer.In practical application, this load current instrument transformer is enclosed within the live wire of circuit-under-test.Corresponding to the electric current flowing through described live wire, this load current instrument transformer coil-induced go out corresponding voltage signal, and transmit it to the in-phase input end of load current comparator 514.Described voltage signal and the second predetermined reference voltage value being input to its inverting input compare by load current comparator 514.When the voltage signal from load current mutual inductor coil is higher than the second reference voltage value, high level signal excessive for expression load is transferred to control circuit 517 by load current comparator 514.Control circuit 517 produces corresponding control signal according to the excessive signal of telecommunication of the expression load current from load current comparator 514, and this control signal is transferred to executive circuit 518.Executive circuit 518 action according to the control signal from control circuit 517, connects (phase line namely cutting off circuit corresponding to load current detection circuit 509 connects and/or zero line connection) with the power line cutting off circuit corresponding to load current detection circuit 509.Like this, when the load of circuit-under-test is excessive, the intelligent management device of single user power site with meter-reading function of the present embodiment can cut off corresponding supply of electric power, thus ensures that the electric power property of power department and/or user is not suffered a loss.
Certainly, the load current detection element in load current detection circuit 509 can be also copper-manganese sheet, and it is serially connected in the live wire of circuit-under-test.Corresponding to the live wire electric current flowing through this copper-manganese sheet, this copper-manganese sheet produces corresponding voltage signal, and transmits it to the in-phase input end of load current comparator 514.Voltage signal from copper-manganese sheet compares with the second predetermined reference voltage value being input to its inverting input by load current comparator 514, when the voltage signal from copper-manganese sheet is higher than described second reference voltage value, high level signal excessive for expression load is transferred to control circuit 517 by load current comparator 514.Control circuit 517 produces corresponding control signal according to the excessive signal of telecommunication of the expression load current from load current comparator 514, and this control signal is transferred to executive circuit 518.Executive circuit 518 action according to the control signal from control circuit 517, connects with the power line cutting off circuit corresponding to load current detection circuit 509.
In electric voltage exception administration module, whether voltage abnormal detection circuit 510 there is exception for the voltage in testing circuit.It is abnormal if detect, described voltage occurs, then by corresponding electric signal transmission to electric voltage exception comparator 515.The signal of telecommunication from voltage abnormal detection circuit 510 compares with reference electrical signal by electric voltage exception comparator 515, and when the signal of telecommunication from voltage abnormal detection circuit 510 is greater than reference electrical signal, exports and represent that voltage occurs that the abnormal signal of telecommunication is to control circuit 517.There is the abnormal signal of telecommunication according to the expression voltage from electric voltage exception comparator 515 and produce corresponding control signal in control circuit 517, and this control signal is transferred to executive circuit 518.Executive circuit 518 action according to the control signal from control circuit 517, connects (phase line namely cutting off circuit corresponding to voltage abnormal detection circuit 510 connects and/or zero line connection) with the power line cutting off circuit corresponding to voltage abnormal detection circuit 510.Like this, when the voltage of circuit-under-test occurs abnormal, the intelligent management device of single user power site with meter-reading function of the present embodiment can cut off corresponding supply of electric power, thus ensures that the electric power property of power department and/or user and/or lives and properties are not suffered a loss.
Referring to Fig. 6, is the specific implementation circuit diagram of block diagram shown in Fig. 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.
Infrared receiving circuit 506 comprises: integrated circuit 1IC4, resistance 1R17 ~ 1R21, light-emitting diode 1LED3 and triode 1V1 and 1V2.
Dynamic envelope testing circuit 507 and dynamic 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 and electric voltage exception comparator 515 comprise: 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 and current balance type compare device 513 and comprise Current Transmit 1, diode 1D11,1D10, resistance 1R35 ~ 1R37, integrated circuit 1IC7-4 and electric capacity 1C21.
Load current detection circuit 509 and load current comparator 514 comprise: Current Transmit 2, 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.
Control circuit 517 and executive circuit 518 comprise: resistance 1R41,1R45,1R47, electric capacity 1C22, triode 1V4,1V6,1V7, diode 1D21 and relay 1J1,1J2.
The following describes infrared data receiver module, dynamic envelope administration module, current anomaly administration module, electric voltage exception administration module, the operation principle of metering module and flow process.
First, operation principle and the flow process of dynamic envelope administration module are described.When the detecting element of electronic seal, namely when sensitive switch 1K1 disconnects, 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 the reference voltage of this high potential signal with its inverting input of input compares by comparator 1IC7-2.When this high potential signal is greater than this reference voltage, comparator 1IC7-2 exports high potential.The high potential that comparator 1IC7-2 exports 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 perform open-circuit operation, to cut off supply of electric power.
The operation principle of next account for voltage exception management module and workflow.When electric voltage exception, the voltage of the dividing point of resistance 1R51,1R52, through diode 1D17-1D20 bridge rectifier, filtering, and after resistance 1R48,1R49 dividing potential drop, then is input to the in-phase input end of comparator 1IC8 through resistance 1R39.The voltage being input to in-phase input end compares with the reference voltage being input to inverting input by comparator 1IC8.When the voltage being input to in-phase input end is higher than reference voltage, comparator 1IC8 exports 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 perform open-circuit operation, to cut off supply of electric power.
Again, operation principle and the workflow of current balance type management module are described.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.The voltage signal and reference voltage that are input to its in-phase input end compare by comparator 1IC7-4.When the voltage signal being input to its in-phase input end is higher than reference voltage, this comparator 1IC7-4 exports 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 perform open-circuit operation, to cut off supply of electric power.
Next, operation principle and the workflow of load current administration module are described.The voltage signal that load current instrument transformer CT2 induces through diode 1D9 rectification, and is input to the in-phase input end of comparator 1IC7-3 through resistance 1R33.Comparator 1IC7-3 compares being input to its in-phase input end with the reference voltage being input to its inverting input, and when the voltage signal being input to its in-phase input end is higher than reference voltage, comparator 1IC7-3 exports 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 perform open-circuit operation, to cut off supply of electric power.
Then, operation principle and the workflow of bright infrared data receiver module is put off until some time later.Hot outer receiving integrate circuit 1IC4 receives the instruction that remote controller sends, and the pin 3 of integrated circuit 1IC4 exports corresponding signal.This signal after resistance 1R17,1R20, triode 1V2 amplify, then is transported to the input of decoding integrated circuit 1IC5 through resistance 1R21.Integrated circuit 1IC5 solves corresponding digital signal, and transmits it to decoder ic 1IC6.Decoder ic 1IC6 translates corresponding instruction, and what such as translate is the instruction had a power failure, then the pin one 4 of decoder ic 1IC6 exports high potential.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 being input to its in-phase input end and the reference voltage being input to its inverting input compare by comparator 1IC7-1, and when the signal being input to its in-phase input end is higher than reference voltage, this comparator 1IC7-1 exports high potential.This high potential signal is input to the base stage of triode 1V4 through light-emitting diode 1LED4, resistance 1R41, so, this triode 1V4 conducting, triode 1V6,1V7 correspondingly end, so just, make relay 1J1,1J2 perform open-circuit operation, to cut off supply of electric power.
Finally, composition graphs 7 illustrates operation principle and the workflow of metering module.
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 computing and the processing unit of metering module, and it completes the functions such as corresponding multiplying, integral operation circuit, U/f conversion, frequency division.Output of pulse signal 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 there being electric current to flow through copper-manganese sheet resistor 1R7,1A, 1B 2 generation voltage difference of copper-manganese sheet resistor 1R7 is multiplied with voltage signal and draws active power.This active power is transported to voltage/frequency change-over circuit and is frequency signal by voltage transitions, then carries out frequency division by frequency dividing circuit to this frequency signal, then exports corresponding signal and carrys out Driving Stepping Motor 1M register with the accumulative electricity number of degrees.Further, the pulse signal of output, through integrated circuit 1IC2 isolation and amplifier, uses for calibration.
It may be noted that, power usage site intelligent management device provided by the invention comprises meter-reading module, this meter-reading module comprises data acquisition unit and data transmission unit, and described data acquisition unit for gathering the energy value from metering module, and transmits it to data transmission unit; Described data transmission unit to be used for the energy value from data acquisition unit by wire transmission mode or wireless transmission to office terminal, and described wireless transmission method comprises carrier transmission mode or infrared transmission mode or GPRS or GSM or CDMA transmission means or the transmission means by means of telephone network.Above-mentioned technology can adopt known technology, does not repeat them here.
Be understandable that, the illustrative embodiments that above execution mode is only used to principle of the present invention is described and adopts, but the present invention is not limited thereto.For those skilled in the art, without departing from the spirit and substance in the present invention, can make various modification and improvement, these modification and improvement are also considered as protection scope of the present invention.
Claims (5)
1. there is an intelligent management device of single user power site for meter-reading function, it is characterized in that comprising: power line inlet interface, power line outlet interface, power subsystem, detecting unit, control unit and performance element; The control end of described performance element connects described control unit, and the controlled end of described performance element is serially connected between described power line inlet interface and power line outlet interface; Wherein
Described power subsystem is used for providing operating voltage for detecting unit, control unit and performance element;
Described detecting unit for detect its place circuit in whether there is exception, occur if detect abnormal, then produce and represent and occur the abnormal signal of telecommunication, and transmit it to control unit;
Described control unit produces control signal according to the signal of telecommunication from detecting unit, and this control signal is transferred to performance element;
The action according to described control signal of described performance element, to cut off the supply of electric power of place circuit;
Also comprise: data acquisition unit and data transmission unit, described data acquisition unit for gathering the energy value from metering module, and transmits it to data transmission unit; Described data transmission unit to be used for the energy value from data acquisition unit by wire transmission mode or wireless transmission to office terminal;
Described detecting unit comprises current balance type detecting unit, and described current balance type detecting unit comprises current balance type detecting element and the first comparator, a pair copper-manganese sheet that described current balance type detecting element comprises zero sequence current mutual inductor or arranges in pairs, wherein
On the live wire that described zero sequence current mutual inductor is enclosed within circuit-under-test and zero line, between live wire electric current and neutral line current during disequilibrium, described zero sequence current mutual inductor coil-induced go out corresponding first voltage signal, and transmit it to the in-phase input end of the first comparator, described first voltage signal and the first predetermined reference voltage value being input to its inverting input compare by described first comparator, and when the first voltage signal from zero sequence current mutual inductor is higher than described first reference voltage value, unbalanced for expression electric current high level signal is transferred to described control unit by described first comparator,
The first copper-manganese sheet in a pair copper-manganese sheet of described 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 flowing through described copper-manganese sheet, the two ends of described first copper-manganese sheet produce the first voltage difference, described second copper-manganese sheet produces the second voltage difference, described first voltage difference and the second voltage difference are after amplifying, the in-phase input end and inverting input that transfer to described first comparator is isolated again respectively by the signal isolation circuit of correspondence, and when described first voltage difference and the second voltage difference unequal time, unbalanced for expression electric current high level signal is transferred to described control unit by described first comparator,
The described intelligent management device of single user power site with meter-reading function, also comprise shell, described power subsystem, detecting unit, control unit and performance element are placed in described shell, described inlet interface is positioned at a side of described shell, and described outlet interface is positioned on the side relative with side, described inlet interface place on shell;
The described intelligent management device of single user power site with meter-reading function also comprises: IR signal reception unit, decoding unit and decoding unit, wherein
Described IR signal reception unit for receiving from the described infrared signal with the intelligent management device of single user power site outside of meter-reading function, and by the infrared signal transmission that receives to decoding unit;
Described decoding unit is used for the infrared signal from IR signal reception unit to decode, and to obtain corresponding digital signal, and transmits it to decoding unit;
Described decoding unit is used for resolving the information from decoding unit, to obtain the command information comprised in the infrared signal of described outside;
The infrared signal of described outside comprises unlocking signal and/or signal of checking meter, the infrared signal of the described outside received by described IR signal reception unit is after decoding unit decodes, decoding unit decoding, transfer to described control unit, control corresponding performance element by described control unit to unlock, namely recover the electrical connection between the phase line inlet wire that is disconnected and phase line outlet and/or the electrical connection between zero line inlet wire and zero line outlet; Or controlled to check meter operation to corresponding metering module by described control unit.
2. there is the intelligent management device of single user power site of meter-reading function as claimed in claim 1, it is characterized in that: described power line inlet interface comprises phase line inlet interface and zero line inlet interface, described power line outlet interface comprises phase line outlet interface and zero line outlet interface, and described performance element is serially connected between phase line inlet interface and phase line outlet interface and/or is serially connected between described zero line inlet interface and zero line outlet interface.
3. there is the intelligent management device of single user power site of meter-reading function as claimed in claim 1, it is characterized in that: described detecting unit comprises electric voltage exception detecting unit, whether exception is there is for the voltage in testing circuit, it is abnormal if detect, described voltage occurs, then produce and represent that the abnormal signal of telecommunication appears in voltage, and transmit it to control unit.
4. there is the intelligent management device of single user power site of meter-reading function as claimed in claim 1, it is characterized in that: described detecting unit comprises load current detection unit, described load current detection unit comprises load current detection element and the second comparator, described load current detection element comprises load current instrument transformer or copper-manganese sheet, wherein
Described load current instrument transformer is enclosed within the live wire of circuit-under-test, corresponding to the electric current flowing through described live wire, described load current instrument transformer coil-induced go out corresponding second voltage signal, and transmit it to the in-phase input end of the second comparator, described second voltage signal and the second predetermined reference voltage value being input to its inverting input compare by described second comparator, when from load current mutual inductor coil second voltage signal higher than described second reference voltage value time, high level signal excessive for expression load is transferred to described control unit by described second comparator,
Described copper-manganese sheet is serially connected in the live wire of circuit-under-test, corresponding to the live wire electric current flowing through described copper-manganese sheet, described copper-manganese sheet produces corresponding tertiary voltage signal, and transmit it to the in-phase input end of described second comparator, described tertiary voltage signal and the second predetermined reference voltage value being input to its inverting input compare by described second comparator, when from load current mutual inductor coil tertiary voltage signal higher than described second reference voltage value time, described second comparator will represent that the excessive high level signal of load transfers to described control unit.
5. there is the intelligent management device of single user power site of meter-reading function as claimed in claim 1, characterized by further comprising data acquisition unit and data transmission unit, wherein
Described data acquisition unit for gathering the energy value of metering module, and transmits it to data transmission unit;
Described data transmission unit to be used for the energy value from described data acquisition unit by wire transmission mode or wireless transmission to office terminal, and described wireless transmission method comprises carrier transmission mode or infrared transmission mode or GPRS or GSM or CDMA transmission means.
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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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| 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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| 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 |
| CN2010106211703A Expired - Fee Related CN102142715B (en) | 2006-04-18 | 2007-04-18 | Intelligent management device for electricity consumption field |
| 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 |
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| CN201210028314.3A Expired - Fee Related CN102664383B (en) | 2006-04-18 | 2007-04-18 | Intelligent management device of single user power site |
| CN2010106211703A Expired - Fee Related CN102142715B (en) | 2006-04-18 | 2007-04-18 | Intelligent management device for electricity consumption field |
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| CN201130843Y (en) * | 2006-04-18 | 2008-10-08 | 湖北盛佳电器设备有限公司 | Single user energy consumption on-site intelligent management apparatus |
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- 2007-04-18 CN CN201210028314.3A patent/CN102664383B/en not_active Expired - Fee Related
- 2007-04-18 CN CN2010106211703A patent/CN102142715B/en not_active Expired - Fee Related
- 2007-04-18 CN CN201210028336.XA patent/CN102655317B/en not_active Expired - Fee Related
- 2007-04-18 CN CN201210028300.1A patent/CN102593951B/en not_active Expired - Fee Related
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Also Published As
| Publication number | Publication date |
|---|---|
| CN102593951B (en) | 2014-07-09 |
| CN102142715B (en) | 2013-03-27 |
| CN102593951A (en) | 2012-07-18 |
| CN102664383A (en) | 2012-09-12 |
| CN102142715A (en) | 2011-08-03 |
| CN102655317A (en) | 2012-09-05 |
| CN102664383B (en) | 2016-06-08 |
| CN102655350B (en) | 2015-05-20 |
| CN102655350A (en) | 2012-09-05 |
| CN201130843Y (en) | 2008-10-08 |
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