CN201072847Y - Energy consumption field intelligent management device - Google Patents

Abstract

The utility model discloses an electric locale intelligent management device, which consists of a zero line inlet interface, a phase line inlet interface, a zero line outlet interface, a phase line outlet interface, a zero line dividing module arranged between the zero line inlet interface and the zero line outlet interface, a phase line dividing module arranged between the phase line inlet interface and the phase line outlet interface and a management module provided with a detection unit, a control unit and an execution unit. When the detection unit detects abnormal or foreign signals, the corresponding electrical signals are transmitted to the control unit; the control unit produces control signals according to the electrical signals and transmits the control signals to the execution unit; the execution unit moves according to the control signals to cut off or restore the electric connection between the zero line inlet interface and zero line outlet interface and/or phase line inlet interface and phase line outlet interface. The electric locale intelligent management device provided by the utility model has not only management function but also line dividing function with compact structure and smaller volume.

Description

Use power usage site intelligent management device

The application is 200610018817.7 Chinese patent application based on the application number of submitting on April 18th, 2006, and requires its priority.The full content of aforementioned application is incorporated this paper by reference into.

Technical field

The utility model relates to the electrical management technology, relates in particular to a kind of power usage site intelligent management device of using.

Background technology

At present, in administration of power networks, usually need to dispose electricity consumption site manager with certain management function, so-called management function can be measure, check meter, function such as remote data transmission.According to actual conditions, often require same electricity consumption site manager to manage to a plurality of users.In this case, usually need dispose separately again junction box, will carrying out separated time from the power line in the electrical network (phase line, zero line, ground wire) according to actual needs, thereby provide one group of power line for each user.So, can at first enter junction box usually from the power line of electrical network, carry out separated time at this according to the predetermined user number; Then, junction box will be respectively organized the power line input terminal (phase line input terminal, zero line input terminal, ground wire input terminal) that power line exports manager to by what separated time formed, again through the power line outlet terminal (phase line outlet terminal, zero line outlet terminal, ground wire outlet terminal) of this manager and with above-mentioned device from power line to the manager downstream or the user's output of respectively organizing, manager is finished the function corresponding management simultaneously.

In this case, because junction box and manager are two separate parts, power line need enter junction box, by junction box carry out separated time and export after entrance management device again, this just need be between junction box and manager connects by lead etc.Therefore, when practical set, junction box and manager need be assembled to predetermined installation site respectively, and set up electrical connection between the two, this just makes that assembling is comparatively loaded down with trivial details.

In addition, therefore bigger because junction box and manager are separate part by the volume of the two formed combination, like this, in practical set, just need bigger installing space.Usually in actual use, junction box and manager are installed within the casings such as management box in the electrical network or packaging type electric quantity metering box often, thereby this just needs to have in the casings such as management box or packaging type electric quantity metering box bigger spatial accommodation so that combinations thereof to be installed.In this case, the volume of these casings will be bigger, so both has been not easy to the installation of these casings in electrical network, can increase the processing cost of casing again.

The utility model content

For solving the problems of the technologies described above, the utility model provides a kind of power usage site intelligent management device of using, and it not only has management function but also has the separated time function, and should be less with compact conformation, the volume of power usage site intelligent management device.

For this reason, the technical solution of the utility model is: a kind of power usage site intelligent management device of using is provided, and it comprises that zero line inlet wire interface, phase line inlet wire interface, zero line go out line interface, phase line goes out line interface.It comprises that also zero line divides wire module, and it is arranged on described zero line inlet wire interface and zero line goes out between the line interface, is used for zero line is carried out separated time; Phase line is divided wire module, and it is arranged on described phase line inlet wire interface and phase line goes out between the line interface, is used for phase line is carried out separated time; Administration module with detecting unit, control unit and performance element, described control unit are electrically connected with the control end and the detecting unit of performance element respectively.Whether wherein, described detecting unit is arranged on the preset detection position, be used for testing circuit and exist unusually or whether extraneous signal arranged, and exists unusual or extraneous signal is arranged if detect, and then the corresponding signal of telecommunication is transferred to control unit; Described control unit produces control signal according to the signal of telecommunication from detecting unit, and control signal corresponding is transferred to performance element; Described performance element comprises: the control end that links to each other with described control unit and be serially connected in described zero line inlet wire interface and zero line goes out between the line interface and/or described phase line inlet wire interface and phase line go out the first controlled end and the second controlled end between the line interface, when the control end of described performance element receives control signal from described control unit, described performance element moves according to described control signal, to cut off or to recover described zero line inlet wire interface and zero line goes out between the line interface and/or described phase line inlet wire interface and phase line go out electrical connection between the line interface.

Wherein, it is following position relation that phase line divides wire module and zero line to divide wire module position each other to close: with phase line or zero line inlet wire side is that front side, outlet side are rear side, described phase line divides wire module and zero line to divide wire module one in front and one in back to be provided with, the lead-out wire that divides wire module the preceding from above and/or under and/or a left side and/or right walk around after the branch wire module and continue to extend back; And/or be that front side, outlet side are rear side with phase line or zero line inlet wire side, described phase line divides wire module and zero line to divide wire module one in front and one in back to be provided with, after the branch wire module offer groove or through hole, divide the lead-out wire of wire module to pass described groove the preceding or through hole continues to extend back; And/or described phase line divide wire module and zero line divide one of wire module by last, one by staggered floor setting down.

Wherein, described phase line divides wire module will be assigned as two-way live wire outlet at least from the live wire inlet wire of phase line inlet wire interface, and exports phase line to and go out line interface; Correspondingly, described zero line divides wire module will be assigned as two-way zero line outlet at least from the zero line inlet wire of zero line inlet wire interface, and exports zero line to and go out line interface.

What wherein, the utility model provided comprises also that with power usage site intelligent management device ground wire inlet wire interface and ground wire go out line interface.

Wherein, described zero line inlet wire interface, phase line inlet wire interface, zero line go out line interface, phase line and go out line interface, ground wire inlet wire interface and ground wire and go out line interface and be respectively zero line input terminal, phase line input terminal, zero line outlet terminal, phase line outlet terminal, ground wire input terminal and ground wire outlet terminal.

What wherein, the utility model provided also comprises casing body, box cover and the box bottom of described device with power usage site intelligent management device.

Preferably, extend outward three phase line end of incoming cables pilot trench and a zero line inlet from a side of described casing body, be provided with a phase line input terminal in each described phase line end of incoming cables pilot trench, the zero line inlet wire enters described device by described zero line inlet.

Preferably, extend outward three phase line end of incoming cables pilot trench, be provided with a phase line input terminal in each described phase line end of incoming cables pilot trench from a side of described casing body; Extend outward the zero line inlet from the adjacent side of side, pilot trench place, described phase line end of incoming cables, described zero line inlet is identical with the opening direction of described phase line end of incoming cables pilot trench.

Preferably, on described box bottom, offer the plastic packaging pond, to hold plastic packaging or lead sealing.

Preferably, on described box cover, offer respectively and zero line binding post and phase line outlet terminal corresponding zero line binding post screw hole and phase line outlet terminal screw hole.

Preferably, offer infrared ray receiving port and/or indicator lamp hole on described box cover, described infrared ray receiving port is used to receive from the outside infrared signal of described device, and the light that described indicator lamp hole is used to indicator light is sent shows.

Preferably, on a side relative of described casing body, offer live wire wire hole and zero line wire hole with described phase line end of incoming cables pilot trench.

Preferably, offer data wire inlet and data wire outlet on described casing body, the data wire outside from described device enters described device by described data wire inlet; The inner data wire of described device is drawn described device by described data wire outlet.

Preferably, described detecting unit comprises moving envelope detecting unit, and whether the envelope body that is used for the detected electrons envelope, then produces the described envelope body of expression by the loosening signal of telecommunication, and transmit it to control unit if detect described envelope body by loosening by loosening,

Described control unit produces control signal corresponding according to the signal of telecommunication that seals detecting unit automatically, and described control signal is transferred to performance element;

Described performance element moves according to described control signal, connects with the power line that cuts off the place circuit.

Wherein, described moving envelope detecting unit comprises pressure sensor or normal open switch.Described pressure sensor detects the pressure during less than set point that comes self-styled body, just produces the described envelope body of expression by the loosening moving envelope signal of telecommunication, and transmits it to control unit; When described normal open switch was become flexible at described Feng Tiwei, its moving contact contacted with fixed contact under the compressing of envelope body, and normal open switch is in closure state; When described envelope body was become flexible, described moving contact separated with fixed contact, and normal open switch is in off-state, just produced the described envelope body of expression by the loosening moving envelope signal of telecommunication, and transmitted it to control unit.

Preferably, described 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 described voltage, then produces expression voltage and the unusual signal of telecommunication occurs, and transmit it to control unit.

Preferably, described detecting unit comprises the current balance type detecting unit, and whether the electric current that is used for testing circuit balance, if detect described electric current disequilibrium, then produces the unbalanced signal of telecommunication of expression electric current, and transmits it to control unit.

Wherein, described current balance type detecting unit comprises current balance type detecting element and comparator, and described current balance type detecting element comprises zero sequence current mutual inductor or the copper-manganese sheet that is provided with in pairs.Described 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, described zero sequence current mutual inductor coil-induced goes out the correspondent voltage signal, and transmit it to the in-phase input end of comparator, described comparator compares described 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 described first reference voltage value, described comparator will represent that the unbalanced high level signal of electric current transfers to described control unit; The first copper-manganese sheet in a pair of 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 that flows through described copper-manganese sheet, the two ends of the described first copper-manganese sheet produce first voltage difference, the described second copper-manganese sheet produces second voltage difference, described first voltage difference and second voltage difference are through after amplifying, isolate in-phase input end and the inverting input that transfers to described comparator by the signal isolation circuit of correspondence respectively again, and when described first voltage difference and second voltage difference are unequal, described comparator will represent that the unbalanced high level signal of electric current transfers to described control unit.

Preferably, described detecting unit comprises the load current detecting unit, and whether the load that is used for testing circuit is excessive, if it is excessive to detect load, then produces the excessive signal of telecommunication of expression load, and transmits it to control unit.

Preferably, described load current detecting unit comprises load current detecting element and comparator, and described load current detecting element comprises load current instrument transformer and copper-manganese sheet.Described load current instrument transformer is enclosed within on the live wire of circuit-under-test, electric current corresponding to the described live wire of flowing through, described load current instrument transformer coil-induced goes out the correspondent voltage signal, and transmit it to the in-phase input end of comparator, described comparator compares described voltage signal and the second predetermined reference voltage value that is input to its inverting input, when being higher than described second reference voltage value from load current mutual inductor coil voltage signal, 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 that flows through described copper-manganese sheet, described copper-manganese sheet produces the correspondent voltage signal, and transmit it to the in-phase input end of described comparator, described comparator compares described voltage signal and the second predetermined reference voltage value that is input to its inverting input, when the voltage signal from the copper-manganese sheet is higher than described second reference voltage value, described comparator will represent that the excessive high level signal of load transfers to described control unit.

What preferably, the utility model provided also comprises with power usage site intelligent management device: Data Receiving unit, decoding unit and decoding unit.Wherein, described Data Receiving unit is used to receive from the outside signal of described device, and the signal that receives is transferred to decoding unit; Described decoding unit is used for and will decodes from the signal of Data Receiving unit, with the acquisition digital signal corresponding, and transmits it to decoding unit; Described decoding unit is used for the information from decoding unit is resolved, with the command information that obtains to be comprised in the described extraneous signal.

Wherein, described Data Receiving unit comprises: infrared signal receives subelement, is used to receive the signal that the infrared transmission mode is transmitted that passes through from the outside, and transmits it to decoding unit; Perhaps wireless signal receives subelement, is used to receive the signal that passes through the wireless transmission method transmission from the outside, and transmits it to decoding unit; Perhaps laser signal receives subelement, is used to receive the signal that the laser transmission mode is transmitted that passes through from the outside, and transmits it to decoding unit.

Wherein, described extraneous signal comprises unlocking signal and/or the signal of checking meter, the described extraneous signal that is received by described Data Receiving unit is after decoding unit decodes, decoding unit decoding, transfer to described control unit, control corresponding performance element by described control unit and carry out release, that is, recover the phase line inlet wire be 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 described control unit to the operation of checking meter of corresponding metering module.

What the utility model provided also comprises at least one metering module with power usage site intelligent management device, and described 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 described current signal collecting unit with from the voltage signal of described 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, described instantaneous parameter is active power and/or reactive power, by described active power and/or reactive power are carried out integration, to obtain the accumulative total energy value corresponding to the described time of integration.

Wherein, described display unit comprises LCD display and drive circuit thereof, and the LCD drive circuit drives LCD display according to described pulse signal and shows described energy value; Perhaps described display unit comprises stepping motor and mechanical register, and described stepping motor drives mechanical register according to described pulse signal and shows described energy value.

Preferably, the utility model also comprises meter-reading module with power usage site intelligent management device, described meter-reading module comprises data acquisition unit and data transmission unit, and described data acquisition unit is used to gather the energy value from metering module, and transmits it to data transmission unit; Described data transmission unit is used for and will transfers to the office terminal by wire transmission mode or infrared transmission mode or wireless transmission method from the energy value of data acquisition unit, and described wireless transmission method comprises carrier transmission mode or GPRS or GSM or CDMA transmission means.

Preferably, what the utility model provided also comprises the pre-payment module with power usage site intelligent management device, described pre-payment module comprises the prepaid data input unit, be used to import prepaid data, and with this transfer of data to control unit, under the control of described control unit, described prepaid data is stored in memory cell and/or described prepaid data is transferred to the office terminal by described display unit demonstration output and/or with described prepaid data.

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.

With respect to prior art, the utlity model has following beneficial effect:

One, because the utility model has detecting unit at comprising with power usage site intelligent management device of providing, the administration module of 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 situations such as arrearage power cut signal, remote controlled unlocking signal to monitor.Exist unusual or when extraneous signal is arranged when detecting unit detects in the circuit; control unit just produces control signal so that performance element correspondingly moves, so that cut off or recover described zero line inlet wire interface and zero line goes out between the line interface and/or described phase line inlet wire interface and phase line go out electrical connection between the line interface.What therefore, the utility model provided has management function at 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 situations such as arrearage power failure and/or remote controlled unlocking with power usage site intelligent management device.

They are two years old, what the utility model provided comprises that with power usage site intelligent management device zero line divides wire module and phase line to divide wire module, therefore this management devices has the separated time function, promptly, the zero line that can will enter this management devices according to actual needs is assigned as the zero line outlet of predetermined way, and the phase line that will enter this management devices is assigned as the phase line outlet of predetermined way.

They are three years old, the zero line that the administration module with management function is arranged and have a separated time function with power usage site intelligent management device set that the utility model provides divides wire module and phase line to divide wire module, diverse in function so not only, and can save the normal junction box that adopts in the prior art.Therefore, in terms of existing technologies, what the utility model provided also has smaller volume with power usage site intelligent management device when having the separated time function, and saves junction box and can save cost again.In addition, because this has management function and separated time function and volume less with the power usage site intelligent management device set, this not only is convenient to the assembling of this management devices self, and need not bigger installing space, and then also hold this management devices with regard to need not to require casings such as management box or packaging type electric quantity metering box must have bigger volume.Therefore, in terms of existing technologies, so both be convenient to the installation of these casings in electrical network, and can have reduced the processing cost of casing again.

They are four years old, in a preferred implementation of the present utility model, inlet wire side with phase line and/or zero line is that front side, outlet side are rear side, phase line divide wire module and zero line divide wire module can one preceding, one afterwards be provided with, the lead-out wire that divides wire module the preceding from above and/or under and/or a left side and/or right walk around after the branch wire module and continue to extend back; And/or make after the branch wire module offer groove or through hole, and make the lead-out wire that divides wire module the preceding pass described groove or through hole continues to extend back; And/or make phase line divide wire module and zero line divide one of wire module last/lean on, one down/be provided with by staggered floor (that is layering) down.Like this, phase line divides wire module and zero line to divide wire module just needn't be arranged side by side, and generally speaking need not to take bigger erection space with regard to what phase line divided that wire module and zero line divide wire module.Therefore, phase line divides wire module and zero line to divide wire module to have above-mentioned position relation can be so that the structure with power usage site intelligent management device that the utility model provides be compact more, thereby can further reduce the volume of this management devices.

Description of drawings

Fig. 1 is the mechanical structure decomposing schematic representation with power usage site intelligent management device of the utility model first embodiment;

Fig. 2 is a structural representation of using the box bottom lateral surface of power usage site intelligent management device shown in Figure 1;

Fig. 3 is a structural representation of using the box cover medial surface of power usage site intelligent management device shown in Figure 1;

Fig. 4 for from oblique forward observation to the end view of having assembled with power usage site intelligent management device shown in Figure 1;

Fig. 5 is the observed end view of having assembled with power usage site intelligent management device shown in Figure 1 from oblique rear;

Fig. 6 is the mechanical structure schematic diagram with power usage site intelligent management device of the utility model second embodiment;

Fig. 7 is the mechanical structure schematic diagram with power usage site intelligent management device of the utility model the 3rd embodiment;

Fig. 8 is the mechanical structure decomposing schematic representation with power usage site intelligent management device of the utility model the 4th embodiment;

Fig. 9 is a structural representation of using the box cover medial surface of power usage site intelligent management device shown in Figure 8;

Figure 10 for from oblique forward observation to the end view of having assembled with power usage site intelligent management device shown in Figure 8;

Figure 11 is the observed end view of having assembled with power usage site intelligent management device shown in Figure 8 from oblique rear;

Figure 12 is the theory diagram of the utility model with power usage site intelligent management device;

Figure 13 is an administration module specific implementation circuit diagram that does not comprise metering module in the theory diagram shown in Figure 12;

Figure 14 is a metering module specific implementation circuit diagram in the theory diagram shown in Figure 12;

Figure 15 is the circuit theory diagrams of the utility model with a plurality of administration modules of power usage site intelligent management device.

Embodiment

For making those skilled in the art person understand scheme of the present utility model better, below in conjunction with accompanying drawing to being described in detail that the utility model provides with power usage site intelligent management device.

See also Fig. 1 to Fig. 5, the usefulness power usage site intelligent management device of the utility model first embodiment is the management devices at 6 terminal uses.

Present embodiment comprise box bottom 110, casing body 130, box cover 160, first circuit board 140 and second circuit board 120 with power usage site intelligent management device.Wherein, first circuit board 140 and second circuit board 120 place in casing body 130, box bottom 110 and the box cover 160 formed casings.

(with the leading flank is example in a side of casing body 130, be benchmark all below) with this visual angle, extend outward three phase line end of incoming cables pilot trench 132 and a zero line inlet 131 from left to right successively, phase line end of incoming cables pilot trench 132 is used for settling accordingly A, B, C three-phase phase line input terminal 141, and zero line inlet 131 is as the inlet of zero line inlet wire passage.In the present embodiment, zero line inlet 131 is a little more than three phase line end of incoming cables pilot trench 132.In fact, the height of 131 and three phase line end of incoming cables pilot trench 132 of zero line inlet is not limited to the situation described in the present embodiment.In addition, the leading flank at casing body 130 also offers data wire inlet (figure does not show).

On two sides about casing body 130, in the position roughly suitable the pad groove 138 that is " recessed " font is set respectively with the height of zero line inlet 131, zero line binding post 150 just is placed in the pad groove 138.Both sides are provided with all screwed up and down fixed leg 178 respectively below each pad groove 138, offer fixing hole 179 corresponding to these four fixed legs 178 on first circuit board 140 and second circuit board 120.Like this, can first circuit board 140 be fixed on the fixed leg 178 from above by means of screwed securing members such as screws, second circuit board 120 is fixed on the fixed leg 178 from below, that is to say, so just first circuit board 140 and second circuit board 120 can be fixed in the casing body 130.

Enter the mouth 131 relative sides (promptly at casing body 130 with phase line end of incoming cables pilot trench 132 and zero line, trailing flank) on, offer the zero line wire hole 134 of 6 circles corresponding to 6 are protected and led pipe 156 shape and installation site, offer 6 square live wire wire holes 133 corresponding to the shape of the wire frame of 6 phase line outlet terminals 157 and installation site.6 zero line wire holes 134 and 6 live wire wire holes 133 are provided with at interval, so just can transmit electric power to the device in this usefulness power usage site intelligent management device downstream (for example, voltameter etc.) with the form on a fiery ground.The position of keeping right below 6 zero line wire holes 134 and 6 live wire wire holes 133 (from the front of this usefulness power usage site intelligent management device) offers corresponding to 6 user's data line outlets 135 corresponding to the installation site of the dateout interface 122 on the second circuit board 120.

Front side from casing body 130, be provided with the dividing plate 176 of inverted "L" shaped on the right side of each phase line input terminal 141, longitudinal baffle wherein is in order to isolate each phase line input terminal 141, and lateral partitions is as covering the interior circuit board of casing and the baffle plate of device.On the lateral partitions of each inverted "L" shaped dividing plate 176, offer snap openings 139, be used for box cover 160 on three preceding grabs 165 engage mutually.The left side of grab 165 is provided with loam cake baffle plate 169 respectively before each of box cover 160.When box cover 160 and casing body 130 were assembled, each loam cake baffle plate 169 was positioned on each phase line input terminal 141, to seal this casing.Certainly, need to reserve the connection space of phase line input terminal 141 and phase line between each loam cake baffle plate 169 and the corresponding phase line input terminal 141.

After box cover 160 is installed to casing body 130, three phase line input terminals 141 also leak outside, so just, need to be provided with in addition a phase line input terminal cover plate 166, cover three phase line input terminals 141 in order to also roughly to flush in box cover 160 from the top.

Three phase line input terminals 141 are installed on the first circuit board 140, corresponding to 6 terminal uses' 146,6 pairs of indicator lights 147 of 6 relays and leading-out terminal stroma 181.Wherein, leading-out terminal stroma 181 comprises that 6 phase line leading-out terminal stromas 158 and 6 protect and lead base 159, and each phase line leading-out terminal stroma 158 and respectively protect and lead base 159 and be intervally installed.The structure and the phase line outlet terminal 157 of phase line leading-out terminal stroma 158 cooperatively interact, so that this phase line outlet terminal 157 is installed.The structure of protecting and leading base 159 cooperatively interacts with protecting and leading pipe 156, protects and lead pipe 156 so that settle.

Zero line binding post 150 is block metal connection terminal, and it is across between the pad groove 138 on about 130 two sides of casing body.Extend 6 metal columns 154 forward from the front side of this zero line binding post 150, be used to support 6 phase line current transformers 148.Extend back 6 metal columns 153 from the rear side of this zero line binding post 150, be used to support 6 zero sequence current mutual inductors 155.Draw 1 zero line outlet respectively from each metal column 153, and outside each metal column 153 and zero line outlet thereof, be with protect and lead the pipe 156.

Each phase line input terminal 141 is drawn two phase line lead-in line joints 142 respectively, and each phase line lead-in line joint 142 connects the first controlled end 144 of a relay 146, like this, three phase line input terminals 141 just can connect 6 relays 146, thereby can realize the control to 6 users.The phase line (live line) of drawing from the second controlled end 145 of each relay 146 passes phase line current transformer 148, and from last or under walk around zero line binding post 150, then pass zero sequence current mutual inductor 155, and draw from the live wire wire hole 133 at casing body 130 rear portions, thereby be this devices such as voltameter power supply with the power usage site intelligent management device downstream through phase line outlet terminal 157.

Zero line enters casing by the zero line inlet 131 of casing body 130 toe lateral edges, and is connected to zero line binding post 150.Be with zero sequence current mutual inductor 155 on each metal column 153 of zero line binding post 150; and draw from the zero line wire hole 134 at casing body 130 rear portions under the protection of protecting and leading pipe 156 from the zero line outlet that each metal column 153 is drawn, thereby be this devices such as voltameter power supply with the power usage site intelligent management device downstream.

Second circuit board 120 is as the stand-by circuit plate that carries out the function expansion.Corresponding to the data wire inlet of casing body 130 leading flanks, and the corresponding position on second circuit board 120 is provided with input data-interface 121.Corresponding to the data wire outlet 135 of casing body 130 trailing flanks, and the corresponding position on second circuit board 120 is provided with dateout interface 122.This input data-interface 121 is all corresponding with 6 users with dateout interface 122.

Corresponding to the screw that is arranged on 6 phase line outlet terminals 157 on the first circuit board 140, and on box cover 160, correspondingly offer 6 phase line outlet terminal screw holes 162.By these phase line outlet terminal screw holes 162, need not to open the box cover 160 of having worked good, just can tighten or unclamp the screw on the phase line outlet terminal 157, so that casing is drawn in the phase line outlet.Infrared ray receiving port 171 in the rightmost side of 6 phase line outlet terminal screw holes 162 offers so that can enter casing by this opening 171 from the infrared ray of casing outside, and is received by the infrared ray receiving element on the first circuit board 140.

Similarly, corresponding to the zero line binding post screw 152 on the zero line binding post 150, and on box cover 160, offer 6 pairs of zero line binding post screw holes 163.By these zero line binding post screw holes 163, need not to open the box cover 160 of having worked good, just can tighten or unclamp zero line binding post screw 152, so that draw zero line and make it under the protection of protecting and leading pipe 156, finally draw casing.

Box cover 160 also disposes upper cover plate 167.By the hook 168 that is provided with on the upper cover plate 167, and box cover 160 that be provided with hook 168 grooves that match, upper cover plate 167 and box cover 160 are assembled together.Like this, just 6 phase line outlet terminal screw holes 162 and 6 pairs of zero line binding post screw holes 163 can be covered.In addition, corresponding to interior infrared ray receiving port 171, and infrared ray receiving port 172 outside corresponding position is offered on upper cover plate 167, that is, outer infrared ray receiving port 172 overlaps substantially with interior infrared ray receiving port 171.

In addition, when having function of measuring, can on box cover 160, offer display window 190 as required corresponding to the display that is arranged on each metering module in this casing with power usage site intelligent management device.Display message on the display of each metering module is revealed.

Offer zero line inlet wire groove 161 on the right side of box cover 160 corresponding to zero line inlet 131.After treating that box cover 160 is assembled on the casing body 130, this zero line inlet wire groove 161 and zero line inlet 131 is roughly concordant and cooperates formation zero line inlet wire passage.On box cover 160, offer the opening 180 roughly suitable corresponding to the top of this zero line inlet wire passage with the width of zero line binding post 150, so that zero line binding post 150 spills from this opening 180, thereby the zero line that will pass this zero line inlet wire passage is connected to zero line binding post 150.

Be provided with the column 173 and 174 that is threaded the hole in the both sides at box cover 160 back sides, just box cover 160 and casing body 130 can be fixed together by means of the screwed securing members such as screw that cooperatively interact with it.

Grab 175 after the edge compartment of terrain of phase line outlet terminal screw hole 162 places one side on the box cover 160 is provided with 4, and corresponding to grab 175 after these 4 and after the top of the back side panel of casing body 130 offers 4 snap openings 136.By cooperatively interacting of snap openings 136 behind grab 175 after these 4 and 4, can be at rear side with box cover 160 and casing body 130 tablings.

Corresponding to the position that is provided with of each indicator light 147 on the first circuit board 140, and offer 6 groups of indicator lamp holes 177 on box cover 160, each indicator light 147 puts in the corresponding indicator lamp hole 177.In the front of box cover 160, corresponding to the position of each indicator lamp hole 177 overlay 164 is set, can appear in order to the light that covers each indicator lamp hole 177 and each indicator light 147 is sent, so that observe.

The inner surface of box bottom 110 is provided with plastic packaging pond 111, can hold plastic packaging 112 in it.And, corresponding to the position that is provided with in this plastic packaging pond 111, and on second circuit board 120, offer notch 123, so that the assembling of second circuit board 120 unlikely obstruction box bottoms 110.Also offer two row's ventilation holes on the box bottom 110, so that ventilation and heat.110 posterior edges places are provided with 3 base plate grabs 115 at box bottom, match in order to snap openings 136 after offered with casing body 130 trailing flank bottoms three.Simultaneously, offer screwed hole 113,, so just can cover from below with this casing in order to this box bottom 110 is fixed on the casing body 130 by means of the securing member that has screw thread with matching in the both sides of box bottom 110.Forward edge and posterior edges place at box bottom 110 are provided with two lugs 114 that have the hole respectively, to be somebody's turn to do with power usage site intelligent management device by making securing members such as screw pass the hole on the lug 114 and to be installed on predetermined installation site, for example, be installed in management box in the electrical network or the packaging type electric quantity metering box etc.

In the present embodiment, phase line divides wire module to comprise phase line input terminal 141 and phase line lead-in line joint 142 thereof.The number of the phase line lead-in line joint 142 that each phase line input terminal 141 can be told is not limited to two in the present embodiment, can be decided according to the actual requirements.For ease of processing, the fixed number of the phase line lead-in line joint 142 of each phase line input terminal 141 only needs to determine which phase line lead-in line joint 142 to draw the live wire outlet from actual applications as the case may be.That is to say that the way of the live wire outlet of being drawn by phase line input terminal 141 is corresponding with number of users, that is, and the corresponding phase line lead-in line joint 142 of each user.

In the present embodiment, zero line divides wire module to comprise zero line binding post 150, and the way of the zero line outlet of being drawn by zero line binding post 150 is corresponding with the way of live wire outlet.

From aforementioned description as can be seen, it is such position relation that phase line divides wire module and zero line to divide wire module position each other to close: promptly, with phase line or zero line inlet wire side is that front side, outlet side are rear side, after zero line divides wire module to be arranged on, before phase line divides wire module to be arranged on, and from phase line divide live wire that wire module draws can from above and/or under and/or a left side and/or right walk around after zero line divide wire module and continue and extend back.And phase line divides wire module and zero line to divide wire module also not on same horizontal plane, that is, phase line is divided plane, wire module place to be lower than zero line and divided plane, wire module place, that is to say that phase line divides wire module and zero line to divide wire module staggered floor (layering) setting.

Be appreciated that phase line divide wire module and zero line divide in the wire module which preceding, which after, perhaps which last, which is down, can be decided according to the actual requirements, and need not be confined to the mode shown in the present embodiment.Certainly, when phase line divides wire module and zero line to divide wire module one in front and one in back to be provided with, after the branch wire module can offer groove or through hole, divide the lead-out wire of wire module can pass described groove or through hole the preceding and continue to extend back, the same like this utility model that can guarantee is less with compact conformation, the volume of power usage site intelligent management device.

In addition, what the utility model provided can comprise ground wire input terminal and ground wire outlet terminal according to actual needs with power usage site intelligent management device, and also can carry out separated time to ground wire.

See also Fig. 6, the similar of the utility model second embodiment with power usage site intelligent management device and first embodiment shown in Figure 1, difference only is that second embodiment's is applicable to 8 user managements with power usage site intelligent management device.

See also Fig. 7, the similar of the utility model the 3rd embodiment with power usage site intelligent management device and first embodiment shown in Figure 1, difference only is that the 3rd embodiment's is applicable to 12 user managements with power usage site intelligent management device.As shown in the figure, each phase line input terminal 141 is drawn 4 phase line lead-in line joints 142 respectively.

See also Fig. 8 to Figure 11, be the power usage site intelligent management device of using of the utility model the 4th embodiment.In fact, it is the another kind of execution mode with power usage site intelligent management device at 6 terminal uses.In the present embodiment with power usage site intelligent management device have the three-phase and four-line inlet wire, six group one the fire one zero single-phase outlets structure, can realize control like this to 6 terminal uses.

The shell 1 with power usage site intelligent management device in the present embodiment comprises casing body 12, box bottom 11 and box cover 14.In the casing 13 that casing body 12, box bottom 11 and box cover 14 are constituted, be provided with main control module 2, zero line binding post 3, phase line input terminal 4.The phase line input terminal 4 of every phase is drawn two phase line lead-in line joints respectively, and the first controlled end of each phase line lead-in line joint and 1 relay 23 joins, and the second controlled end and a phase line outlet terminal 6 of each relay 23 join.

Extend outward three phase line end of incoming cables pilot trench 223 on the leading flank of casing body 12, phase line input terminal 4 just is arranged in this phase line end of incoming cables pilot trench 223.On a side adjacent of casing body 12, be provided with the zero line inlet 224 that stretches out and form, and the opening of phase line end of incoming cables pilot trench 223 and zero line inlet 224 in the same way with phase line end of incoming cables pilot trench 223.

Be reserved with the plastic packaging pond 111 that can hold plastic packaging 112 or lead sealing at the inner surface edge place of box bottom 11.And also be provided with base plate fixing threaded hole 113 and management devices attaching clamp on box bottom 11, its function class is similar to the corresponding component of Fig. 1 to first embodiment shown in Figure 5, does not repeat them here.

Corresponding to the null line hole on the zero line binding post 3 31, and on box cover 14, offer zero line binding post screw hole 241.Corresponding to the position that is provided with of indicator lamp hole 26, and on box cover 14, offer indicator lamp hole 242.The infrared ray receiving element of box house also offers infrared ray receiving port 243 on the box cover 14, so that can receive infrared ray from the casing outside by this opening 243.

As for the phase line plate washer 244 on the box cover 14, the column 245 that is used for joining, phase line outlet terminal screw hole 246, the grab 247 that joins with casing body 12 and lug 248 with box bottom 11 position and function be set, be similar to the corresponding component of Fig. 1 to first embodiment shown in Figure 5, do not repeat them here.

On the side relative of casing body 12, be provided with 6 zero line wire holes 221 and 6 live wire wire holes with side, phase line input terminal 4 place.On the side identical of casing body 12, be provided with connector hole 222, in order to installation data line interface etc. with side, zero line wire hole 221 place.

Zero sequence current mutual inductor 21, phase line current transformer 22 and executive component 23 are arranged on the same side of circuit board 24.Wherein, executive component 23 is positioned at a lateral edges place of circuit board 24, and the first controlled end of executive component 23 connects the phase line lead-in line joint, draws phase line from the second controlled end of executive component 23, and make this phase line pass phase line current transformer 22, draw casing through phase line outlet terminal 6 then.On circuit board 24, zero sequence current mutual inductor 21 is positioned at a lateral edges place relative with executive component 23, and with phase line current transformer 22 mutual dislocation.

Main control module 2 also can be placed on two circuit boards 24.These two circuit board 24 layerings are stacked, arrange all the other components and parts 25 except that zero sequence current mutual inductor 21, phase line current transformer 22, executive component 23 in the main control module 2 on a circuit board 24 therein.

On zero sequence current mutual inductor 21, phase line current transformer 22, be provided with fixed support 5.This fixed support 5 comprises and the corresponding phase line current transformer of the profile of phase line current transformer 22 cover 51, is provided with the zero line terminals pilot trench 52 that is used to place zero line binding post 3 above the phase line current transformer cover 51 at this.Be provided with the zero line lead in the outside of zero sequence current mutual inductor 21 and protect and lead pipe 211.Wherein, each functions of components is similar to the corresponding component of Fig. 1 to first embodiment shown in Figure 5, does not repeat them here.

What the utility model provided can manage a plurality of users according to actual needs with power usage site intelligent management device.For ease of explanation, with administration module (that is, describing the administration module that detection metering, control unit 1 and executive circuit 1 are constituted) operation principle of the present utility model and workflow are described at a user below in conjunction with Figure 12 and Figure 13.

See also Figure 12, the utility model can comprise infrared data receiver module (infrared receiving circuit 506 with power usage site intelligent management device, decoding circuit 511, decoding circuit 516) and a plurality of administration module 500～50n, each administration module wherein 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, 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 that 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).

Present embodiment can comprise a plurality of user management modules with power usage site intelligent management device, wherein, each user management module all has metering module, moving tube sealing reason module, current anomaly administration module, electric voltage exception administration module.But the infrared data receiver module in the whole usefulness power usage site intelligent management device can be shared by a plurality of user management modules.

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.Transfer to display driver 504 through the signal behind the frequency division, to show the energy value of metering.In addition, also the signal behind the frequency division can be transferred to pulse signal output circuit 505, this energy value outwards be transmitted, use for calibration by pulse signal output circuit 505.

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 seals testing circuit 507 automatically during greater than reference electrical signal, this envelope body of output expression by the loosening signal of telecommunication to control circuit 517.Control circuit 517 is produced control signal corresponding according to this envelope body of the expression of sealing signal comparator 512 automatically by the loosening signal of telecommunication, 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, with the power line connection (that is, the phase line connection of cut-out electronics envelope institute corresponding line and/or zero line connection etc.) of cut-out electronics envelope institute corresponding line.Like this, when the moving envelope of people is carried out stealing, present embodiment can cut off corresponding supply of electric power with power usage site intelligent management device, thereby the electric power property of assurance 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 (that is the phase line connection and/or the zero line that, cut off 508 corresponding line of current balance type testing circuit connect) 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, present embodiment can cut off corresponding supply of electric power with power usage site intelligent management device, 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 described 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 the value of first voltage difference that produces and second voltage difference is less like this, therefore, needs the signalization amplifier in the current balance type testing circuit 508.And, also need to be provided with buffer circuit 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 by 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 described 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 described 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 (that is the phase line connection and/or the zero line that, cut off 509 corresponding line of load current detection circuit connect) 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 is excessive, present embodiment can cut off corresponding supply of electric power with power usage site intelligent management device, 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 described 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 described 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, output expression voltage the unusual signal of telecommunication occurs to control circuit 517.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 (that is the phase line connection and/or the zero line that, cut off 510 corresponding line of voltage abnormal detection circuit connect) 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, present embodiment can cut off corresponding supply of electric power with power usage site intelligent management device, thereby the electric power property and/or the lives and properties that guarantee power department and/or user are not suffered a loss.

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, with the acquisition digital signal corresponding, and transmit it to decoding circuit 516.This decoding circuit 516 is used for resolving from the digital signal information of decoding circuit 511, with the command information that obtains to be comprised in the described extraneous signal, for example, unlocking operation, the operation of checking meter.

In fact, also can replace the infrared signal receiver module with wireless signal receiver module or laser signal receiver module.Wherein, the wireless signal receiver module is used to receive the signal that passes through the wireless transmission method transmission from the outside, and transmits it to decoding unit; The laser signal receiver module is used to receive the signal that the laser transmission mode is transmitted that passes through from the outside, and transmits it to decoding unit.Described wireless transmission method can comprise carrier transmission mode or GPRS or GSM or CDMA transmission means etc.

In addition, the utility model provides with power usage site intelligent management device and can also comprise the pre-payment module.This pre-payment module comprises the prepaid data input unit, be used to import prepaid data, and with this transfer of data to control unit, under the control of control unit, prepaid data is stored in memory cell and/or prepaid data is transferred to office terminal etc. by display unit demonstration output and/or with prepaid data.Wherein, the 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 etc.

See also Figure 13, be the specific implementation circuit diagram of an administration module in the theory diagram shown in Figure 12 (that is, detect metering, control unit 1 and performance element 1 and) and infrared data receiver module.

Wherein, the power circuit of an administration module 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.

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 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 comparison device 513 comprise current transformer CT1, 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 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.

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 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.

The operation principle and the workflow of the power circuit in an administration module at first, are described.From the alternating current in the electrical network through electric capacity 1C24 step-down, diode 1D13-1D16 bridge rectifier, electric capacity 1C23 filtering, again after triode 1V5, voltage stabilizing didoe 1DW2 voltage stabilizing, for each operating circuit in the administration module provides working power.

Secondly, the operation principle and the flow process of the moving tube sealing reason module in an administration module 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.

Secondly, the operation principle and the workflow of the electric voltage exception administration module in an administration module are described.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 the current balance type management module in an administration 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 the load current administration module in an 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 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 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 Figure 14 at last.

As shown in figure 14, the operation principle of the power circuit in the metering module and workflow are: from the alternating current in the electrical network through electric capacity 1C1, resistance 1R2 step-down, after diode 1D1,1DW1 rectification, the electric capacity 1C2 filtering, be input to circuit of three-terminal voltage-stabilizing integrated 1IC1 carrying out voltage stabilizing, thereby provide working power for the operating circuit in the metering module.

In metering module, 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 finishes 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, what the utility model provided comprises meter-reading module with power usage site intelligent management device, this meter-reading module comprises data acquisition unit and data transmission unit, and described data acquisition unit is used to gather the energy value from metering module, and transmits it to data transmission unit; Described data transmission unit is used for and will transfers to the office terminal by wire transmission mode or infrared transmission mode or wireless transmission method from the energy value of data acquisition unit, and described wireless transmission method comprises carrier 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, does not repeat them here.

In addition, what the utility model provided can a shared CPU with each functional module of power usage site intelligent management device, also can use different CPU separately.

As shown in figure 15, the circuit theory diagrams that provide for the utility model with the reason of the multitube in power usage site intelligent management device module.Be appreciated that the operation principle and the workflow of each administration module (comprising metering module) and consult Figure 13 and 14 and the description carried out is similar, do not repeat them here.

Will also be appreciated that above execution mode only is the illustrative embodiments that adopts for principle of the present utility model is described, yet 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 also are considered as protection scope of the present invention.

Claims (29)

1. use power usage site intelligent management device for one kind, comprise that zero line inlet wire interface, phase line inlet wire interface, zero line go out line interface, phase line goes out line interface, it is characterized in that also comprising:

Zero line divides wire module, and it is arranged on described zero line inlet wire interface and zero line goes out between the line interface, is used for zero line is carried out separated time;

Phase line is divided wire module, and it is arranged on described phase line inlet wire interface and phase line goes out between the line interface, is used for phase line is carried out separated time;

Administration module with detecting unit, control unit and performance element, described control unit are electrically connected with the control end and the detecting unit of performance element respectively; Wherein

Whether described detecting unit is arranged on the preset detection position, be used for testing circuit and exist unusually or whether extraneous signal arranged, and exists unusual or extraneous signal is arranged if detect, and then the corresponding signal of telecommunication is transferred to control unit;

Described control unit produces control signal according to the signal of telecommunication from detecting unit, and control signal corresponding is transferred to performance element;

Described performance element comprises: the control end that links to each other with described control unit and be serially connected in described zero line inlet wire interface and zero line goes out between the line interface and/or described phase line inlet wire interface and phase line go out the first controlled end and the second controlled end between the line interface, when the control end of described performance element receives control signal from described control unit, described performance element moves according to described control signal, to cut off or to recover described zero line inlet wire interface and zero line goes out between the line interface and/or described phase line inlet wire interface and phase line go out electrical connection between the line interface.

2. the power usage site intelligent management device of using as claimed in claim 1 is characterized in that: it is following position relation that described phase line divides wire module and zero line to divide wire module position each other to close:

With phase line or zero line inlet wire side is that front side, outlet side are rear side, described phase line divides wire module and zero line to divide wire module one in front and one in back to be provided with, the lead-out wire that divides wire module the preceding from above and/or under and/or a left side and/or right walk around after the branch wire module and continue to extend back; And/or

With phase line or zero line inlet wire side is that front side, outlet side are rear side, described phase line divides wire module and zero line to divide wire module one in front and one in back to be provided with, after the branch wire module offer groove or through hole, divide the lead-out wire of wire module to pass described groove the preceding or through hole continues to extend back; And/or

Described phase line divide wire module and zero line divide one of wire module by last, one by staggered floor setting down.

3. the power usage site intelligent management device of using as claimed in claim 1 is characterized in that: described phase line divides wire module will be assigned as two-way live wire outlet at least from the live wire inlet wire of phase line inlet wire interface, and exports phase line to and go out line interface; Correspondingly, described zero line divides wire module will be assigned as two-way zero line outlet at least from the zero line inlet wire of zero line inlet wire interface, and exports zero line to and go out line interface.

4. the power usage site intelligent management device of using as claimed in claim 1 is characterized in that also comprising that ground wire inlet wire interface and ground wire go out line interface.

5. the power usage site intelligent management device of using as claimed in claim 1 is characterized in that: described zero line inlet wire interface, phase line inlet wire interface, zero line go out line interface, phase line and go out line interface, ground wire inlet wire interface and ground wire and go out line interface and be respectively zero line input terminal, phase line input terminal, zero line outlet terminal, phase line outlet terminal, ground wire input terminal and ground wire outlet terminal.

6. the power usage site intelligent management device of using as claimed in claim 1 is characterized in that also comprising casing body, box cover and the box bottom of described device.

7. the power usage site intelligent management device of using as claimed in claim 6, it is characterized in that: extend outward three phase line end of incoming cables pilot trench and a zero line inlet from a side of described casing body, be provided with a phase line input terminal in each described phase line end of incoming cables pilot trench, the zero line inlet wire enters described device by described zero line inlet.

8. the power usage site intelligent management device of using as claimed in claim 6 is characterized in that: extend outward three phase line end of incoming cables pilot trench from a side of described casing body, be provided with a phase line input terminal in each described phase line end of incoming cables pilot trench; Extend outward the zero line inlet from the adjacent side of side, pilot trench place, described phase line end of incoming cables, described zero line inlet is identical with the opening direction of described phase line end of incoming cables pilot trench.

9. the power usage site intelligent management device of using as claimed in claim 6 is characterized in that: offer the plastic packaging pond on described box bottom, to hold plastic packaging or lead sealing.

10. the power usage site intelligent management device of using as claimed in claim 6 is characterized in that: offer on described box cover respectively and zero line binding post and phase line outlet terminal corresponding zero line binding post screw hole and phase line outlet terminal screw hole.

11. the power usage site intelligent management device of using as claimed in claim 6, it is characterized in that: on described box cover, offer infrared ray receiving port and/or indicator lamp hole, described infrared ray receiving port is used to receive from the outside infrared signal of described device, and the light that described indicator lamp hole is used to indicator light is sent shows.

12., it is characterized in that: on a side relative of described casing body, offer live wire wire hole and zero line wire hole with described phase line end of incoming cables pilot trench as claim 7 or the 8 described power usage site intelligent management devices of using.

13. the power usage site intelligent management device of using as claimed in claim 6 is characterized in that: offer data wire inlet and data wire outlet on described casing body, the data wire outside from described device enters described device by described data wire inlet; The inner data wire of described device is drawn described device by described data wire outlet.

14. the power usage site intelligent management device of using as claimed in claim 1, it is characterized in that: described detecting unit comprises moving envelope detecting unit, whether the envelope body that is used for the detected electrons envelope is by loosening, if detect described envelope body by loosening, then produce the described envelope body of expression by the loosening signal of telecommunication, and transmit it to control unit

Described control unit produces control signal corresponding according to the signal of telecommunication that seals detecting unit automatically, and described control signal is transferred to performance element;

Described performance element moves according to described control signal, connects with the power line that cuts off the place circuit.

15. the power usage site intelligent management device of using as claimed in claim 14 is characterized in that: described moving envelope detecting unit comprises pressure sensor or normal open switch, wherein

Described pressure sensor detects the pressure during less than set point that comes self-styled body, just produces the described envelope body of expression by the loosening moving envelope signal of telecommunication, and transmits it to control unit;

When described normal open switch was become flexible at described Feng Tiwei, its moving contact contacted with fixed contact under the compressing of envelope body, and normal open switch is in closure state; When described envelope body was become flexible, described moving contact separated with fixed contact, and normal open switch is in off-state, just produced the described envelope body of expression by the loosening moving envelope signal of telecommunication, and transmitted it to control unit.

16. the power usage site intelligent management device of using as claimed in claim 1, it is characterized in that: described detecting unit comprises the electric voltage exception detecting unit, whether the voltage that is used for testing circuit occurs unusually, if detecting described voltage occurs unusual, then produce expression voltage and the unusual signal of telecommunication occurs, and transmit it to control unit.

17. the power usage site intelligent management device of using as claimed in claim 1, it is characterized in that: described detecting unit comprises the current balance type detecting unit, whether the electric current that is used for testing circuit balance, if detect described electric current disequilibrium, then produce the unbalanced signal of telecommunication of expression electric current, and transmit it to control unit.

18. the power usage site intelligent management device of using as claimed in claim 17, it is characterized in that: described current balance type detecting unit comprises current balance type detecting element and comparator, described current balance type detecting element comprises zero sequence current mutual inductor or the copper-manganese sheet that is provided with in pairs, wherein

Described 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, described zero sequence current mutual inductor coil-induced goes out the correspondent voltage signal, and transmit it to the in-phase input end of comparator, described comparator compares described 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 described first reference voltage value, described comparator will represent that the unbalanced high level signal of electric current transfers to described control unit;

The first copper-manganese sheet in a pair of 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 that flows through described copper-manganese sheet, the two ends of the described first copper-manganese sheet produce first voltage difference, the described second copper-manganese sheet produces second voltage difference, described first voltage difference and second voltage difference are through after amplifying, isolate in-phase input end and the inverting input that transfers to described comparator by the signal isolation circuit of correspondence respectively again, and when described first voltage difference and second voltage difference are unequal, described comparator will represent that the unbalanced high level signal of electric current transfers to described control unit.

19. as claim 1 or the 18 described power usage site intelligent management devices of using, it is characterized in that: described detecting unit comprises the load current detecting unit, whether the load that is used for testing circuit is excessive, if it is excessive to detect load, then produce the excessive signal of telecommunication of expression load, and transmit it to control unit.

20. the power usage site intelligent management device of using as claimed in claim 19 is characterized in that: described load current detecting unit comprises load current detecting element and comparator, and described load current detecting element comprises load current instrument transformer and copper-manganese sheet, wherein

Described load current instrument transformer is enclosed within on the live wire of circuit-under-test, electric current corresponding to the described live wire of flowing through, described load current instrument transformer coil-induced goes out the correspondent voltage signal, and transmit it to the in-phase input end of comparator, described comparator compares described voltage signal and the second predetermined reference voltage value that is input to its inverting input, when being higher than described second reference voltage value from load current mutual inductor coil voltage signal, 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 that flows through described copper-manganese sheet, described copper-manganese sheet produces the correspondent voltage signal, and transmit it to the in-phase input end of described comparator, described comparator compares described voltage signal and the second predetermined reference voltage value that is input to its inverting input, when the voltage signal from the copper-manganese sheet is higher than described second reference voltage value, described comparator will represent that the excessive high level signal of load transfers to described control unit.

21. the power usage site intelligent management device of using as claimed in claim 1 is characterized in that also comprising: Data Receiving unit, decoding unit and decoding unit, wherein

Described Data Receiving unit is used to receive from the outside signal of described device, and the signal that receives is transferred to decoding unit;

Described decoding unit is used for and will decodes from the signal of Data Receiving unit, with the acquisition digital signal corresponding, and transmits it to decoding unit;

Described decoding unit is used for the information from decoding unit is resolved, with the command information that obtains to be comprised in the described extraneous signal.

22. the power usage site intelligent management device of using as claimed in claim 21 is characterized in that described Data Receiving unit comprises:

Infrared signal receives subelement, is used to receive the signal that the infrared transmission mode is transmitted that passes through from the outside, and transmits it to decoding unit; Perhaps

Wireless signal receives subelement, is used to receive the signal that passes through the wireless transmission method transmission from the outside, and transmits it to decoding unit; Perhaps

Laser signal receives subelement, is used to receive the signal that the laser transmission mode is transmitted that passes through from the outside, and transmits it to decoding unit.

23. the power usage site intelligent management device of using as claimed in claim 21, it is characterized in that: described extraneous signal comprises unlocking signal and/or the signal of checking meter, the described extraneous signal that is received by described Data Receiving unit is after decoding unit decodes, decoding unit decoding, transfer to described control unit, control corresponding performance element by described control unit and carry out release, that is, recover the phase line inlet wire be 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 described control unit to the operation of checking meter of corresponding metering module.

24. the power usage site intelligent management device of using as claimed in claim 1 is characterized in that also comprising at least one metering module, described 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 described current signal collecting unit with from the voltage signal of described 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 is used for the energy value from arithmetic element is outwards exported with the form of pulse, to carry out calibration.

25. the power usage site intelligent management device of using as claimed in claim 24, it is characterized in that: described instantaneous parameter is active power and/or reactive power, by described active power and/or reactive power are carried out integration, to obtain accumulative total energy value corresponding to the described time of integration.

26. the power usage site intelligent management device of using as claimed in claim 24 is characterized in that: described display unit comprises LCD display and drive circuit thereof, the LCD drive circuit drives LCD display according to described pulse signal and shows described energy value; Perhaps

Described display unit comprises stepping motor and mechanical register, and described stepping motor drives mechanical register according to described pulse signal and shows described energy value.

27. the power usage site intelligent management device of using as claimed in claim 24, it is characterized in that also comprising meter-reading module, described meter-reading module comprises data acquisition unit and data transmission unit, described data acquisition unit is used to gather the energy value from metering module, and transmits it to data transmission unit; Described data transmission unit is used for and will transfers to the office terminal by wire transmission mode or infrared transmission mode or wireless transmission method from the energy value of data acquisition unit, and described wireless transmission method comprises carrier transmission mode or GPRS or GSM or CDMA transmission means.

28. the power usage site intelligent management device of using as claimed in claim 24, it is characterized in that also comprising the pre-payment module, described pre-payment module comprises the prepaid data input unit, be used to import prepaid data, and with this transfer of data to control unit, under the control of described control unit, described prepaid data is stored in memory cell and/or described prepaid data is transferred to the office terminal by described display unit demonstration output and/or with described prepaid data.

29. the power usage site intelligent management device of using as claimed in claim 28 is characterized in that: 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.

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