CN204405772U - Based on the power collection systems of triones navigation system - Google Patents
Based on the power collection systems of triones navigation system Download PDFInfo
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- CN204405772U CN204405772U CN201520148283.4U CN201520148283U CN204405772U CN 204405772 U CN204405772 U CN 204405772U CN 201520148283 U CN201520148283 U CN 201520148283U CN 204405772 U CN204405772 U CN 204405772U
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Abstract
The utility model discloses a kind of power collection systems based on triones navigation system, the client layer be coupled by communication and Big Dipper communication transfer layer form, the wherein client layer acquisition terminal that is provided with the public energy consumption load of user and is attached thereto, Big Dipper communication transfer layer is provided with: positioning equipment, for locating described acquisition terminal; User commands machine, and it has the specialized protocol process chip of carrying out both-way communication with described acquisition terminal; And watch-dog, connect described user machine of commanding and carry out electric power acquisition data monitoring, big-dipper satellite selected by wherein said positioning equipment, is connected with described user machine of commanding by Big Dipper short message communication mode.
Description
Technical field
The utility model relates to electric system electric power acquisition technology, in more specific words it, the utility model embodiment relate to a kind of based on Beidou satellite navigation technology realize power collection systems.
Background technology
Along with the energetically construction of country to power information acquisition system in recent years, wireless GPRS communication network is used widely in power industry.And in some remote mountain areas, wireless GPRS network not yet covers, therefore the electricity consumption data in these areas also cannot collect computer system at present, therefore need to make improvement.
Utility model content
The technical solution of the utility model solves aforementioned drawback, design a kind of electric power information collection system based on Beidou navigation technology, especially based on the electric power information collection system of Beidou satellite navigation technology, accurately location can be carried out by triones navigation system technology to the electric power acquisition terminal in certain target geographical area and realize effective collection of power information.
In order to realize this object, the one side of technical solutions of the utility model is: based on the power collection systems of triones navigation system, the client layer be coupled by communication and Big Dipper communication transfer layer form, the wherein client layer acquisition terminal that is provided with the public energy consumption load of user and is attached thereto, Big Dipper communication transfer layer is provided with: positioning equipment, for locating described acquisition terminal; User commands machine, and it has the specialized protocol process chip of carrying out both-way communication with described acquisition terminal; And watch-dog, connect described user machine of commanding and carry out electric power acquisition data monitoring, big-dipper satellite selected by wherein said positioning equipment, is connected with described user machine of commanding by Big Dipper short message communication mode.
As the improvement to the described electric power information collection system based on Beidou navigation technology, to each acquisition terminal, especially a kind of testing circuit of electric power acquisition Terminal Design, can control effectively to the output power of the collection terminal in acquisition terminal and collecting efficiency and calculate.On the one hand, multiple sensor signals is set to judge the collecting efficiency of collection terminal, if the relation between this multiple transducing signal meets or exceeds preset range, is then effectively limited by rear class control circuit.On the other hand, give repeatedly gain signal to the circuit at these transducing signal places, judge to encourage these circuit according to the power stage of the order on (such as) sequential or control planning to collection terminal and control.Such as, carry out when power is excessive limiting and compensating according to the surplus power of restriction gained when underpower, to guarantee that the power stage of collection terminal circuit is stablized.
In order to realize this improvement purpose, the another aspect of technical solutions of the utility model is: each acquisition terminal comprises: collection terminal, for connecting foreign current simulation signal generator to obtain current signal; Testing circuit, be coupled in described collection terminal and pick out to load circuit, for exporting a modulation voltage according to control signal, wherein said testing circuit is provided with further: the first sensing circuit, connects described collection terminal and current signal for exporting according to collection terminal obtains a first control voltage signal; Second sensing circuit, connects described collection terminal and current signal for exporting according to collection terminal obtains a second control voltage signal; And power control circuit, to be connected between first, second sensing circuit described and for by control voltage signal limiting in a values.
Further, described measurement circuit design in order to: obtain and detect first, second control voltage signal; Control described collection terminal according to a first state of a control voltage and export one first adjustment voltage; Control described collection terminal according to a second state of a control voltage (or transient state changes the output voltage of described collection terminal) again and export one second adjustment voltage.In another embodiment, described measurement circuit design is in order to the difference that judges between the two according to described first adjustment voltage and the second adjustment voltage, obtain the 3rd control voltage with this, this voltage decides according to the voltage magnitude ratio between described collection terminal and load circuit.In one embodiment, described measurement circuit design in order to: according to first, second control voltage signal, utilize the 3rd control voltage that obtains to obtain a bucking voltage.
According to previous embodiment, described load bypass arranges capacitor, to make to carry out as a low-impedance device when duty is changed under the first control voltage and the second control voltage state at described collection terminal, and the difference that described first adjustment voltage and second is adjusted between voltage is only judged by the impedance of the electrical equipment between collection terminal and load circuit.
As improvement, a change-over switch connected between described collection terminal and power control circuit is set further, come periodically to export control signal to power control circuit according to the state of a control gain signal of solid states machine, wherein said change-over switch is by wire contacts to feedback amplifier, thus the input voltage that the dutycycle controlling collection terminal inputs in feedback amplifier with maintenance is constant.
As improvement, described power control circuit comprises differential amplifier further, by the voltage amplification on described collection terminal and load circuit loop, export the first state of a control gain by state machine, described differential amplifier exports the first adjustment voltage of an expression load circuit.
As improvement, described power control circuit comprises subtracter further, receive first, second adjustment voltage and produce the 3rd adjustment voltage, and first, second control voltage signal produces difference between the two, this difference and the 3rd are adjusted voltage pass through an amplifier produce described in bucking voltage.According to previous embodiment, described testing circuit comprises a secondary testing circuit further, changes its output voltage to export one second adjustment voltage in order to keep in the first control voltage value and to control described collection terminal.Or described testing circuit comprises a ratio Circuit tuning further, with the total head of load circuit, proportional magnitude of voltage falls for described voltage magnitude ratio is adjusted to one.In another preferred example, described testing circuit comprises a hardware state machine further, for controlling the switching of the duty of described testing circuit between first and second control voltage signal.
The technique effect of the utility model embodiment is apparent, on the one hand, by the placement technology of positioning equipment based on triones navigation system, some is constructed and maintenance comparatively difficulty, or the electric power acquisition terminal in the more weak pre-selected geographic region of communication connection signal positions and is connected with valid wireless communication, thus read the data of these acquisition terminals efficiently.On the other hand, two magnitudes of voltage are tested by the impedance on loop between test collection terminal and load, calculate the amplitude proportion of voltage gain to compensate the feedback of voltage, voltage through accurate Calculation can carry out full remuneration to this total load voltage originally, to avoid loss in collection terminal and voltage fluctuation, and carry out the stop voltage upper limit by power control circuit.Meanwhile, the utility model circuit can be in addition integrated as a chip, and circuit theory wherein also realizes miniaturization by the internal wiring of chip, and cost is lower, is therefore worthy to be popularized.
Accompanying drawing explanation
The detailed technical scheme of the utility model by the mode detailed description in addition by referring to accompanying drawing, wherein:
Fig. 1 is the primary structure functional schematic block diagram of the utility model power collection systems;
Fig. 2 is the primary structure schematic diagram of the function of the power collection systems based on Beidou navigation;
Fig. 3 is the principal functional structure electric diagram of the utility model power collection systems power output control circuit.
Embodiment
With reference to Fig. 1, the preferred embodiment of the utility model power collection systems obtains public commodity consumption information for the acquisition terminal 600 be certainly arranged in different geographic location I, II, and by these information by list or the map view visual display in addition on a watch-dog 603 of stylizing, wherein said geographic location comprises known geographical area 801 and unknown geographic area 802, comprising: application data equipment 601, receives the public commodity consumption information from the acquisition terminal 600 in described known geographical area 801; Positioning equipment 602, determine that acquisition terminal in unknown geographic area 802 is to be located it according to the public commodity consumption information that application data equipment 601 obtains, wherein said positioning equipment 602 determines the locating information with the immediate acquisition terminal of described application data equipment 601 according to application data equipment 601 maximum signal level, and feeds back to application data equipment 601; Watch-dog 603, is connected to described positioning equipment 602 and described public commodity consumption information is associated between acquisition terminal corresponding separately.Public commodity consumption information is carried out corresponding with acquisition terminal (such as) device code by described association, thus the geographical location information of described acquisition terminal and device end are set up corresponding relation further, therefore can according to the locating information of acquisition terminal as the foundation obtained its energy consumption data.
In one embodiment, described application data equipment 601 is movable equipments, such as hand-held PDA or mobile phone, electric system operation maintenance personnel can stride across known geographical locations region 801 along desired trajectory W to A direction by Portable device 601, such as, thus according to wireless mode, GPRS or ZIGBEE reads the energy consumption image data of the acquisition terminal 600 in readable range contiguous with it.And for the acquisition terminal 600 in some uncertain region, due to some actual cause, the obstacle that such as geographic position travels or in excluding in electric administrative department validated user list with can unit, read requests signal is sent to the collecting device in zone of ignorance 802 by the acquisition terminal 600 in known region 801, if the feedback signal of receiving, then inform portable data device 601, thus be convenient to directly further to be communicated with it by equipment 601.In another embodiment, watch-dog 603 comprises output interface further, for carrying out visual display according to described association, the association in wherein said unknown geographic area 802 is according to being judged with associating in the immediate known geographical area 801 of this maximum signal level.
With further reference to Fig. 1, power collection systems comprises Blast Furnace Top Gas Recovery Turbine Unit (TRT) 604 further, obtains power for operation by the electric network power line PL in described geographic location 801,802, and by inverter 605 to described public commodity feeding electric energy; Connect the public commodity energy storage device 606 of described Blast Furnace Top Gas Recovery Turbine Unit (TRT) 604, for collecting public commodity, wherein said acquisition terminal 600 connects described inverter 605 and public commodity energy storage device 606 respectively.Power distribution unit 607 is set between described public commodity energy storage device 606 and acquisition terminal 600, comprises main circuit breaker 617, connect described public commodity energy storage device 606 and control the supply of public commodity; Table case 627, for installing and fenced multiple acquisition terminal 600, wherein these acquisition terminals are controlled by described main circuit breaker 617; Collector 637, the multiple acquisition terminals 600 described in connection are to read public commodity consumption information, and wherein each acquisition terminal 600 connects riches all the way electric installation 604.In one embodiment, collector 637 is connected to aforementioned watch-dog 603 further with total energy data message of transmitting system, collector 637 and watch-dog 603, and is connected by wireless M-BUS mode with between acquisition terminal 600.
In one embodiment, described Blast Furnace Top Gas Recovery Turbine Unit (TRT) 604 is photovoltaic battery panel, is converted to electric energy to user in electrical network with powering by equipment by obtaining luminous energy (such as sun power).In a preferred example, described collector 637 is ammeter, the public commodity consumption information of other types is gathered by described ammeter, is sent in the electric power consumption information that integrated for public for collected other types commodity consumption information so far ammeter is gathered, wherein provided power for operation by public commodity energy storage device to the acquisition terminal gathering the public commodity consumption information of other types.Described public commodity comprise in electric energy, water energy, heat energy or rock gas one or combination, namely acquisition terminal 600 can be correspondingly one in ammeter, water meter, hotlist or gas meter or its etc. combination.
Embodiment 1: with reference to Fig. 2, the client layer 100 be coupled by communication based on the power collection systems of triones navigation system and Big Dipper communication transfer layer 200 form, wherein client layer 100 is provided with the public energy consumption load 3 of user and the acquisition terminal 600 be attached thereto, Big Dipper communication transfer layer 200 is provided with: positioning equipment 602, for locating described acquisition terminal 600; User commands machine 608, and it has the specialized protocol process chip of carrying out both-way communication with described acquisition terminal 600; And watch-dog 603, connect described user and command machine 608 to carry out electric power acquisition data monitoring, big-dipper satellite selected by wherein said positioning equipment 602, commands machine 608 to be connected by Big Dipper short message communication mode with described user.
With reference to Fig. 3, as the improvement of embodiment 1, acquisition terminal 600 comprises collection terminal 2, for connecting foreign current simulation signal generator to obtain current signal; Testing circuit 1, be coupled in described collection terminal 2 and pick out to load circuit 3, for exporting a modulation voltage according to control signal, wherein, testing circuit 1 is provided with further: the first sensing circuit, connects described collection terminal 2 and current signal I for exporting according to collection terminal 2 obtains a first control voltage signal V
1; Second sensing circuit, connects described collection terminal and current signal I for exporting according to collection terminal 2 obtains a second control voltage signal V
2, in the utility model is general, first, second control voltage signal V
1, V
2the ac signal gathered from electric network power line AC voltage/current can be chosen as; Power control circuit, to be connected between first, second sensing circuit described and for by control voltage signal limiting in a values.
In one embodiment, described measurement circuit design in order to: obtain and detect first, second control voltage or impedance signal (such as by detecting the impedance loss R on load 3 loop
sENSEor R
lINEcarry out detection control voltage signal); Control described collection terminal 2 according to a first state of a control gain G AIN1 and export one first adjustment voltage V
oUT1; Control described collection terminal 2 according to a second state of a control gain G AIN2 (or transient state changes the output voltage of described collection terminal) again and export one second adjustment voltage V
oUT2; According to described first adjustment voltage V
oUT1with the second adjustment voltage V
oUT2judge difference between the two, obtain a 3rd control voltage V with this
dROP, this voltage decides according to the voltage magnitude ratio (gain scale of such as 10% can be preset) between described collection terminal 2 and load circuit 3; And according to the first control voltage signal V1, utilize the 3rd control voltage V obtained
dROPobtain a bucking voltage.According to this pressure drop amplitude, can judge whether the power exporting load 3 from collection terminal 1 to changes further, such as, increase or reduce the generation of situation.
As improving further on this basis, described testing circuit 1 comprises a power control circuit (sampling hold circuit 50,52,82,92,93 as in figure) further, in order to temporary first control voltage value V
1, the second control voltage value V
2and control described collection terminal 2 and change its output voltage to export first, second adjustment voltage V
oUT1, V
oUT2.
According to previous embodiment, described testing circuit 1 comprises a ratio Circuit tuning further, falls proportional magnitude of voltage for described voltage magnitude ratio is adjusted to one with the total head of load circuit 3.
Preferably, testing circuit 1 comprises a hardware state machine 4 further, controls the switching of the duty of described testing circuit 1 between first and second control voltage signal for generation of gain.
The technology intention of embodiment 1 is described for the circuit of Fig. 3.First change-over switch S1 is set, so just can be implemented in first, switching between second sensing circuit, in the utility model, first, second sensing circuit is concrete mark or digital alphabet code name not, but by several components and parts, the mode that chip or alternate combinations use achieves and exports different voltage/current, and in the utility model, will be specifically described below: use a change-over switch S1, come periodically to export control signal to power control circuit according to the excitation gain signal of state machine 4 (such as a DSP singlechip equipment), such as use power modulated signal (PWM) waveform, at T
1in time cycle, be connected to a normal acquisition state, the collection electric current of collection terminal 2 and voltage are increased to stable state, gradually to provide a voltage V this moment
1to load 3 (namely provide one completely load current to load 3), embodiment in Fig. 3 provides a backfeed loop, in this case, collection terminal 2 adopts the actual constant output voltage in this output loop to produce a feedback voltage and realizes adjustment.Now switch S 1 passes through lead-in wire 22 contact to feedback amplifier 46, thus the input voltage that the dutycycle controlling collection terminal 2 inputs in feedback amplifier 46 with maintenance is constant.Such as, a capacitor (not showing) can be picked out on lead-in wire 22 and earth terminal guide wire is used as reference source.
At T
1under this normal condition, collection terminal 2 and the voltage on load 3 loop are amplified by differential amplifier 80, in order to gather this voltage, use a low values of resistors R
sENSE, export a gain driver source GAIN1 by state machine 4, amplifier 80 exports the voltage V that represents load 3
oUT1.
Electric current I on loop 14,15
lOADreach steady-state current I
1after, state machine 4 controls sampling hold circuit 82 to store this V
oUT1numerical value (such as passing through register).Therefore can learn, V
oUT1=GAIN1I
1r
sENSE.Similarly, when the voltage on loop 14,15 reaches steady state voltage V
1after, state machine 4 controls another sampling hold circuit 50 to store this voltage V
1, now can judge V
1=V
lOAD+ (I
1r
lINE), wherein V
lOADfor the voltage at load 3 two ends, and R
lINEfor the total resistance value gone between on 14,15.
After above situation all meets, state machine 4 initializing circuit, contacts fling-cut switch S1 to differential amplifier 88, and state machine 4 exports a larger driving source GAIN2 to differential amplifier 80, makes amplifier 80 produce an output voltage V
oUT2, thus this backfeed loop to control collection terminal 2 constant with the voltage making differential amplifier 88 end and input, i.e. V
oUT1=V
oUT2.At I
lOADbe reduced to one and equal I
1(GAIN1/GAIN2), during value, can enough realize constant.The reduction of this output current causes the reduction of output voltage V2, thus V
2=V
lOAD+ (I
2r
lINE)=V
lOAD+ I
1(GAIN1/GAIN2) R
lINE.As output voltage V
2when reaching steady state voltage, output voltage V
2be stored in sampling hold circuit 52, now collection terminal does not export an adjustment voltage, and exports a bias voltage.
V is produced by subtracter 68 (such as comparator circuit)
oUT1-V
oUT2, and produce V by subtracter 69
1-V
2, this voltage transmission is kept in sampling hold circuit 92,93.This V
oUT1-V
oUT2as a low voltage difference (according to aforementioned, the part composition of the technical solution of the utility model is low voltage difference by this being produced due to the small size curent change on loop 14,15 is compensated to realize collection terminal stable output to Acquisition Circuit), thus sampling hold circuit 92 can produce a driving source GAIN3, it meets V
dROP/ (V
oUT1-V
oUT2)=GAIN2/ (GAIN2-GAIN1) (namely aforementioned in resize ratio), in order to the virtual voltage on full remuneration loop 14,15.
Voltage V on load circuit
dROPwith V
1-V
2by producing a standard of compensation source V after amplifier 75
rEF2, the output voltage of this standard of compensation source and collection terminal 2 is exported to subsequently and is fed back amplifier 46.This moment, state machine 4 controls again the output terminal that fling-cut switch S1 connects amplifier 46, and collection terminal 2 is in running order to ensure that output voltage meets V
rEF2, with the total voltage on compensating lead wire 14,15.
As shown in Figure 3, capacitor 42 is increased at the two ends of load 3, to ensure that the load current in load 3 presents level and smooth slope change.According to previous embodiment, described load bypass arranges capacitor 42, to make at described collection terminal 2 at the first control voltage V
1with the second control voltage V
2carry out under state as a low-impedance device when duty is changed, and make described first adjustment voltage V
oUT1voltage V is adjusted with second
oUT2between difference only by the impedance R of the electrical equipment between collection terminal 2 and load circuit 3
lINEor R
lOADjudge.
Collection terminal 2 can specifically comprise the power control circuit being arranged at circuit two interpolar, is preferably a bidirectional transistor, or the photoelectric device such as controllable silicon, to limit the input voltage of collection terminal 2 not higher than 0.7V.
Concrete protection domain of the present utility model is limited by claims, should understand, and should there be a lot of variation patterns on the basis of previous embodiment, all should be covered by this limited range.
Claims (9)
1. based on the power collection systems of triones navigation system, it is characterized in that: the client layer be coupled by communication and Big Dipper communication transfer layer form, the wherein client layer acquisition terminal that is provided with the public energy consumption load of user and is attached thereto, Big Dipper communication transfer layer is provided with: positioning equipment, for locating described acquisition terminal; User commands machine, and it has the specialized protocol process chip of carrying out both-way communication with described acquisition terminal; And watch-dog, connect described user machine of commanding and carry out electric power acquisition data monitoring, big-dipper satellite selected by wherein said positioning equipment, is connected with described user machine of commanding by Big Dipper short message communication mode.
2. the power collection systems based on triones navigation system according to claim 1, is characterized in that each acquisition terminal comprises: collection terminal, for connecting foreign current simulation signal generator to obtain current signal; Testing circuit, is coupled in described collection terminal and picks out to load circuit, and for exporting a modulation voltage according to control signal, wherein said testing circuit is provided with further:
First sensing circuit, connects described collection terminal and current signal for exporting according to collection terminal obtains first voltage signal; Second sensing circuit, connects described collection terminal and current signal for exporting according to collection terminal obtains second voltage signal; And power control circuit, to be connected between first, second sensing circuit described and for voltage signal being limited in a values.
3. the power collection systems based on triones navigation system according to claim 2, is characterized in that described testing circuit is configured to: obtain and detect first, second voltage signal; Control described collection terminal according to a first state of a control gain and export one first adjustment voltage; The output voltage changing described collection terminal according to a second state of a control gain or transient state again controls described collection terminal and exports one second adjustment voltage; According to the difference that described first adjustment voltage and the second adjustment voltage judge between the two, obtain a tertiary voltage with this, wherein this tertiary voltage decides according to the voltage magnitude ratio between described collection terminal and load circuit; And according to first, second voltage signal, utilize the tertiary voltage obtained to obtain a bucking voltage.
4. the power collection systems based on triones navigation system according to claim 3, it is characterized in that: at described load circuit, pass capacitor is set, to make to carry out as a low-impedance device when duty is changed under this first voltage and the second voltage status at described collection terminal, and the difference that described first adjustment voltage and second is adjusted between voltage is only judged by the impedance of the electrical equipment between collection terminal and load circuit.
5. the power collection systems based on triones navigation system according to claim 3, it is characterized in that: described testing circuit comprises a ratio Circuit tuning further, fall proportional magnitude of voltage for described voltage magnitude ratio is adjusted to one with the total head of load circuit.
6. the power collection systems based on triones navigation system according to claim 2, it is characterized in that: described testing circuit comprises a solid states machine further, for generation of gain to control the switching of the duty of described testing circuit between first and second voltage signal.
7. the power collection systems based on triones navigation system according to claim 6, it is characterized in that: a change-over switch connected between described collection terminal and power control circuit is set further, come periodically to export control signal to power control circuit according to the state of a control gain signal of solid states machine, wherein said change-over switch is by wire contacts to feedback amplifier, thus the input voltage that the dutycycle controlling collection terminal inputs in feedback amplifier with maintenance is constant.
8. the power collection systems based on triones navigation system according to claim 3, it is characterized in that: described power control circuit comprises differential amplifier further, by the voltage amplification on described collection terminal and load circuit loop, export the first state of a control gain by state machine, described differential amplifier exports the first adjustment voltage of an expression load circuit.
9. the power collection systems based on triones navigation system according to claim 3, it is characterized in that: described power control circuit comprises subtracter further, receive first, second adjustment voltage and produce the 3rd adjustment voltage, and first, second voltage signal produces difference between the two, this difference and the 3rd are adjusted voltage pass through an amplifier produce described in bucking voltage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520148283.4U CN204405772U (en) | 2015-03-16 | 2015-03-16 | Based on the power collection systems of triones navigation system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520148283.4U CN204405772U (en) | 2015-03-16 | 2015-03-16 | Based on the power collection systems of triones navigation system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104730385A (en) * | 2015-03-16 | 2015-06-24 | 国家电网公司 | Power acquisition system based on Beidou navigation system |
| CN109451024A (en) * | 2018-11-14 | 2019-03-08 | 国网浙江省电力有限公司 | Power grid resource data updating mobile operation terminal protection method based on Beidou system |
-
2015
- 2015-03-16 CN CN201520148283.4U patent/CN204405772U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104730385A (en) * | 2015-03-16 | 2015-06-24 | 国家电网公司 | Power acquisition system based on Beidou navigation system |
| CN109451024A (en) * | 2018-11-14 | 2019-03-08 | 国网浙江省电力有限公司 | Power grid resource data updating mobile operation terminal protection method based on Beidou system |
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