CN2235640Y - General electric meter IC card intelligent prepaying means with protection of fraudulent use of etectricity - Google Patents
General electric meter IC card intelligent prepaying means with protection of fraudulent use of etectricity Download PDFInfo
- Publication number
- CN2235640Y CN2235640Y CN 96200450 CN96200450U CN2235640Y CN 2235640 Y CN2235640 Y CN 2235640Y CN 96200450 CN96200450 CN 96200450 CN 96200450 U CN96200450 U CN 96200450U CN 2235640 Y CN2235640 Y CN 2235640Y
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- electric energy
- energy meter
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- prepaid
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Abstract
The utility model discloses a general electric meter IC card intelligent prepaying device with the protection of the electric larceny. The signal monitoring device of the utility model can directly bonded on the glass window of an electric energy meter, and the utility model is composed of a signal reading device composed by an infrared luminous tube, an infrared receiving tube, a surplus electric quantity displaying device, and an alarm unit. A controlling device comprises a controlling circuit board, a motor is provided with a cam, the inclined plane of the cam is contacted with the button of a jump switch, a spring is arranged between the button and the jump switch, a service wire is firstly connected with a jump switch and then is connected with the electric energy meter, and a travel switch is arranged at the front of the jump switch, wherein, the single chip input of a controlling circuit is connected with an EEPROM, and then is connected with the signal monitoring device via a signal wire. A single chip computer is connected with the motor and the travel switch via an auxiliary circuit.
Description
The utility model belongs to and relates to a kind of electric energy meter prepaid device, belongs to the gauging instrument table.
The instrument of electricity consumption quantity is referred to as electric energy meter.In the management of power use in the past, be to allow the electricity consumption of user elder generation basically, after pay dues, the phenomenon of a large number of users owing electricity charges appears in China in the result, and electric industry department is sustained a great loss.For this reason, just bring into use the time-of-use tariffs policy for industrial table, before the several years after, the prepaid mode that became basically universal again in recent years, thus reduce and stop the phenomenon of owing electricity charges.
For civilian single-item electric energy meter user, owing electricity charges is an aspect, but because personal user's power consumption is limited, owing electricity charges also is not a subject matter, problem is, because personal user's quantity is very big, in China more than one hundred million personal users is arranged, and so huge customer group is managed, need a large amount of staff, thereby cause the raising of electric cost, add user situation and differ, also have problems such as charge difficulty and owing electricity charges.Loaded down with trivial details owing to check meter with fee collection, cause a lot of difficulties to the management of power use.Therefore, individual event prepaid electric energy meter is attempted to develop by a lot of units, the input that has is produced in batches, wherein have much based on exploitation magnetic card electric energy meter, but owing to magnetic card electric energy meter valency height, unstable properties, certainly can't penetration and promotion, therefore, in order to achieve this end, domestic have a lot of scientific research and production units that prepaid magnetic card electric energy meter and IC-card prepaid intelligent electric energy meter are developed and produced, and the quantity of product satisfies domestic supply to a certain extent.Promoting the use of of IC-card prepaid intelligent electric energy meter, can reduce a series ofly unnecessary check meter, form, charge, the numerous and diverse formality of accounting, and can effectively control the phenomenon of being in arrears with, refusing to pay tariff, the generation that can also stop " stealing " phenomenon.In addition,, can control user's maximum load, prevent the overload electricity consumption and prevent the generation of fire by setting to IC-card.Also can be as required, carry out according to plan, by personnel's power supply with carry out different charges by the electricity consumption peak valley, thereby embody the scientific of the commodity price of electricity and the realization management of power use.More influential manufacturer has: Shenzhen Bai Te DDSY15 of Electronics Co., Ltd. type electronic prepayment single-item electric energy meter, the DDSD101 of Hunan Weisheng Electronics Co.,Ltd type electronic prepayment single-item electric energy meter, electric electric energy meter is purchased in the YG-II of the extra-high-speed New Tech S. R. L. type electromechanical individual event of Shen, Tianjin in advance.But need discard the prior mechanical ammeter if use existing various IC-card prepaid intelligent electric energy meter.Because whole replacing IC-card prepaid intelligent electric energy meters, required expense costliness does not meet current national conditions, so be difficult for implementing.Even change IC-card prepaid intelligent electric energy meter, so a large amount of old tables will lean on into new waste again.
The purpose of this utility model is exactly that a kind of universal electric energy meter IC-card intelligence prepaid device with anti-stealing electricity function is provided at the deficiency of prior art, electric energy meter for any brand, specification, all can easily supporting installation, Based Intelligent Control, except that realizing carrying out the prepaid with IC-card, it can realize also that bearing power restriction, under-voltage Power Limitation, line voltage fall and double the function of charging, thereby has realized functions such as planned supply and use of electric power, rational utilization of electricity, safety utilization of electric power, prevent stealing.
The purpose of this utility model is achieved in that
A kind of universal electric energy meter IC-card intelligence prepaid device with anti-stealing electricity function, by IC-card, control device, signal monitoring device is formed, it is characterized in that: described signal monitoring device can directly be bonded on the electric energy meter windowpane, it comprises the signal reader that is made of infraluminescence pipe 8 and infrared receiving tube 26, and the surplus value of electric degree shows and warning device, described control device comprises a control circuit board 19, motor 20 has a cam 24, the inclined-plane of cam 24 touches mutually with the button 23 of saltus step switch 21, be provided with spring 22 between saltus step switch 21 and the button 23, service wire 16 is connected to electric energy meter again by saltus step switch 21, travel switch 17 is located at saltus step switch 21 fronts, and wherein the EEPROM of control circuit reads in the data that IC18 goes up card, and the single-chip microcomputer input meets EEPROM, and link to each other with signal monitoring device by signal wire 12, single-chip microcomputer is by auxiliary circuit connection motor 20 and travel switch 17.
Described control device bottom also comprises one
Shape fixture 14, affixed with switchboard, its top extends the connection box of electric energy meter box.
First box-packedly has an inductor core 34 in the described control device, and second is box-packed inductor core 37.
Second box is by the disposable connection of inner hook on the described control device.
Described control circuit includes a frequency decoder that links to each other with single-chip microcomputer.
Described signal reader can be installed in the electric energy meter, is arranged on corresponding section, aluminium dish 7 top and bottom with holes.
Described infraluminescence pipe 8 has screen-wall and collector lens device 9.
Surplus value amount of described electric degree and warning device can be by light emitting diodes 10, light emitting diode 27, and light emitting diode 28 shows surplus, light emitting diode 29 display alarms.
Because it is core that the utility model adopts very large scale integrated circuit, the data that the storage of SMART IC-card is relevant with electricity consumption, its simple in structure, little power consumption, stable performance, monitoring accurately, accurate measurement, the operation peace and, easy to operate highly versatile, cheap, multiple functional.
Below in conjunction with accompanying drawing and specific embodiments the utility model is described in further detail.
Fig. 1 is a mounting structure synoptic diagram of the present utility model;
Fig. 2 is the reading of metering signal of the present utility model, data presentation structural representation;
Fig. 3 is that functional circuit realization synoptic diagram is cut off in the utility model stealing signal monitoring, load;
Fig. 4 is a single chip machine controlling circuit schematic diagram of the present utility model;
Fig. 5 is power principle figure of the present utility model;
Fig. 6 is input of the present utility model and data presentation structure principle chart;
Fig. 7 reads structural representation for the metering signal of the another kind of embodiment of utility model.
Referring to Fig. 1, illustrate that of the present utility model how the realization articulates with all kinds of electric energy meters.
Electric energy meter base 3 is fixed on switchboard 1 base plate, and electric energy metering box is also fixed on it, and base 15 of the present utility model is also fixed thereon, and shell 2 covers electric energy meter and the utility model.
As long as during user load work, the aluminium dish 7 of electric energy meter will rotate, the moving circle of revolution, colour code 25 places on the aluminium dish 7 will be through the electric energy meter windowpane once, the light reflection strength of infraluminescence pipe 8 emissions is changed once, thereby make infrared receiving circuit obtain a signal, and make singlechip interruption once, write down a revolution, thereby obtain the energy data that user load consumes in the unit interval.Therefore no matter the turn signal of aluminium dish 7 is delivered to single-chip microcomputer by signal wire 10, and any electric energy meter can articulate with of the present utility model, thereby realizes the electric energy meter of having installed is carried out the prepaid transformation.
Among Fig. 1, the electric degree number that the user buys from power supply department is had by record on the IC-card 18 of large scale integrated circuit, and the user is inserted in the interface of control circuit board 19 of the present utility model with IC-card 18, and after data were read into internal storage, IC-card 18 can withdraw from.
When the user consumes a unit electric degree number, then from the electric degree number of buying, reduce.When consuming electric degree that number equals to buy and count, control circuit starter motor 20 rotates, by the speed reduction unit speed change is momentum, last driving cam 24 rotates, after the inclined-plane of cam 24 was pressed onto the position with the button 23 of saltus step switch 21, saltus step switch 21 was quicked rebound by spring 22 effects, makes the saltus step of saltus step switch, the contact is separated from, and cuts off circuit.After 21 bounce-backs of saltus step switch put in place, travel switch 17 is pressed onto the position, after single-chip microcomputer monitors the closure of travel switch 17, stop motor 20 and rotate.
Among Fig. 1, the screen-wall cover of infrared transmitting tube and collector lens 9 are used for and will be transmitted into the surrounding edge of aluminium dish 7 after the Infrared focusing.The shell 11 of signal monitoring device is bonding with the electric energy meter glass of the form of viscose glue and any model.Video data and warning are with light emitting diode 10,27,28,29, in order to the indication residual electricity number of degrees or warning.Control circuit board 19 is by spring contact and IC-card 18 swap datas.The upper half part 4 of electric energy meter and the mechanical counter 5 of electric energy meter are used for reading the accumulative total power consumption.
Among Fig. 2, there are the focus mask of infrarede emitting diode and lens 9 to send colour code 25 places of infrared light to aluminium dish 7, infrared receiving diode 26 received signals before the infrarede emitting diode 8.Green LED 10, hundred of the indication residual electricity number of degrees, green LED 27, ten of the indication residual electricity number of degrees, yellow light-emitting diode 28, a position of the indication residual electricity number of degrees also is simultaneously that indication is moved towards 0 degree from 10 degree, reminds the user to buy with IC-card 18, red light emitting diodes 29, generally,, then indicate from 0 degree trend-10 degree if allow overdraw as warning usefulness.
Among Fig. 3, when the needs line disconnection, what cut off is service wire 16, under 21 effects of saltus step switch, breaks travel switch 17, and motor 20 stops operating.
Referring to Fig. 1,3, below fixture 14 is pressed in by base 13, and be fixed on the switchboard 1 by screw, because fixture 14 is pushed down the terminal box of electric energy meter, make it and can not be unlocked, therefore can not open electric energy meter, thereby prevent to open the electric energy meter stealing; Because service wire 16 is protected, thus can not be by stealing at this section circuit; If in 16 sections wiring stealings of service wire, will destroy this section by the thread service wire of signal, signal is received by single-chip microcomputer, and record.
If the user beats on electric energy meter also, the aluminium dish blocked not to be changeed, and following phenomenon will occur, there is electric current to flow through in the telefault 31 among Fig. 3, just in telefault 36, induces signal, the work of loading on is described, this signal is admitted to single-chip microcomputer and handles, if aluminium dish 7 does not change at this moment, has only two kinds of possibilities, the one, aluminium dish 7 is stuck, the 2nd, signal wire 10 is cut off, and this moment, system alarm was not removed this kind state in the time limit of reporting to the police, to cut off subscribers feeder, and this behavior note will be sought in storer.If service wire 16 and subscribers feeder 30 are exchanged, only make 7 counter-rotatings of aluminium dish, mechanical counter numerical value reduces, but does not influence the work that pump utility model metering signal reads, and does not hinder the record of data system to the load power consumption, thereby reaches the purpose of not stealing.If service wire 16 live wires and zero line are exchanged, the electric energy that subscribers feeder consumed still with original electric energy meter reflected identical, do not reach the purpose of stealing yet.If just service wire 16 live wires and subscribers feeder 30 zero lines are exchanged, at user's line end live wire is entered, zero line ground connection, be to reach the stealing purpose generally speaking, but after using this device, if zero line ground connection, certainly will cause electric current in inductance 32 and the inductance 33 can not satisfy the purpose of " equal and opposite in direction, direction opposite ", thereby in inductance 35, induce electric current, after being arrived by the monolithic machine testing, cut off circuit.If be zero line ground connection, also be not enough to reach the purpose of stealing in the ordinary course of things, in this device, do not allow this state to occur, otherwise after inducing electric current in the inductance 35, system will cut off circuit.Inductor core 34 and 37 places second box of going up of the present utility model respectively.Go up second box and connect,,, need to destroy second box, thereby avoided in this device, carrying out stealing as the need maintenance just cannot open behind the fastening by the inside hook.
The control circuit principle is referring to Fig. 4,5,6, IC1 is single chip computer AT 89C2051, P1.7 and P1.6 mouth produce residual electricity number of degrees indicating circuit by code translator 4555 decoding, drive four luminotrons such as hundred, ten, individual position, overdraw warning respectively by T5, T6, T7, T8.
The P1.5 mouth is used for under-voltage indication, so that change expenses standard or reduce the load upper limit when under-voltage.
The P1.4 mouth is used to detect IC-card and enters, in case IC-card enters, switch SW is connected, and P1.4 supports voltage, the beginning Card Reader.
The P1.3 mouth detects whether inductance 36 gets high level among Fig. 3, if make this mouthful step-down by comparer IC3, single-chip microcomputer can cut off service wire according to a preconcerted arrangement.
The P1.2 mouth is used to whether detect loaded work piece, if loaded work piece can not get signal from rotating disk, has illustrated that stealing electricity phenomenon takes place, and cuts off subscribers feeder according to a preconcerted arrangement.
The P1.1 mouth is used for CD-ROM drive motor 20 circuit, and, T2 anti-phase by T1 drives, and motor 20 is rotated, thereby reach the purpose of cutting off or connecting circuit.
Whether the P1.0 mouth is used to detect travel switch 17 closed, thereby judge whether service wire 16 is cut off or closure, and then when decision turn-offs motor 20.
The P3.7 mouth drives loudspeaker by T11, uses during warning.
The P3.4 mouth produces a kind of variable pulse signal frequency, drives infrarede emitting diode 8 by T3, when changes frequency then according to the change of program setting.
The P3.5 mouth is used to change the frequency, demodulation frequency of IC5 frequency decoder 567, timing changing changes with the P3.4 mouth, the purpose of doing like this is the simulation infrared signal generator that prevents that human is fixing, produces a signal that lacks than actual reception rotating disk signal and reaches the purpose of stealing.
P3.3 is the external interrupt mouth, and rotating disk whenever turns around and then receives a look-at-me, can calculate the power consumption of load thus according to the unit interval.
The P3.2 mouth is used for the monitoring system power down.
Referring to Fig. 5, down Monitor Unit principle and power work principle are described.～220V alternating voltage is by the C6 step-down, rectifier bridge B1 full-wave rectification, the D4 of leading up to isolation, Z1 voltage stabilizing, E7 worry ripple, IC6 voltage stabilizing, D2 isolate, E8 considers ripple, produce Vcc voltage, Vcc voltage is only supplied with little power consumption chip single-chip microcomputer IC1 and EEPROM electricity flash memory IC2; The D3 of leading up to isolates, and Z2 voltage stabilizing, E6 consider ripple, produce Vdd voltage, special supply motor power supply; The D1 of leading up to isolates, R1 step-down, Z3 voltage stabilizing, and a termination P32 mouth, a termination transistor T, because transistor T is in conducting state, so Vcc voltage some is supplied with IC1 and IC2 peripheral circuit specially by T generation Vss voltage.In case power down, the P32 mouth is step-down at once, and transistor T also turn-offs, and the P32 mouth is a fracture in the override, after this moment, single-chip microcomputer monitored power down, at once relevant data is retained among the EEPROM.Because T is turned off, therefore the no longer power consumption of peripheral circuitry of single-chip microcomputer, electric capacity institute accumulate lotus in the power circuit is owing to isolated by D2, all supply with IC1 and IC2 work, because these two circuit power consumptions are very little, and operating voltage requires very low, falls before chip can not be worked at voltage, has the enough time that data relevant in the single-chip microcomputer are kept among the EEPROM.
Among Fig. 5, D, R, Z, C form the under-voltage testing circuit, and when voltage was 220V, what Vee exported was high level, when being lower than 220V (concrete data are set by W), and the Vee output low level, the P1.5 mouth that is connected on single-chip microcomputer detects the back and carries out under-voltage handling procedure.
P3.0 is used for being connected with IC-card with EEPROM with P3.1, is which chip of read-write according to different decision of chip address, and IC-card is connected with monolithic by the 4pin socket.
Among Fig. 6, L5 is an infrarede emitting diode 8, connects the P3.4 mouth of IC1 by T3.D1 is that infrared receiving diode 26 amplifies and the IC3C shaping by ICD, delivers to frequency decoder IC5's.L1, L2, L3, L4 are respectively hundred, ten, the demonstration light emitting diode of individual position, overdraw.S1 is a loudspeaker, be used for reporting to the police,
Referring to Fig. 7, for the metering signal of the another kind of embodiment of the utility model reads structure,, infraluminescence pipe 8 and infrared receiving tube 26 can be installed in the electric energy meter if supporting with new electric energy meter, be arranged on corresponding section, aluminium dish 7 top and bottom with holes.
Claims (9)
1, a kind of universal electric energy meter IC-card intelligence prepaid device with anti-stealing electricity function, by IC-card, control device, signal monitoring device is formed, it is characterized in that: described signal monitoring device can directly be bonded on the electric energy meter windowpane, it comprises the signal reader that is made of infraluminescence pipe (8) and infrared receiving tube (26), and the surplus value of electric degree shows and warning device; Described control device comprises a control circuit board (19), motor (20) has a cam (24), the inclined-plane of cam (24) touches mutually with the button (23) of saltus step switch (21), be provided with spring (22) between saltus step switch (21) and the button (23), service wire (16) is connected to electric energy meter again by saltus step switch (21), travel switch (17) is located at the front of saltus step switch (21), wherein the EEPROM of control circuit reads in the data that IC (18) goes up card, the single-chip microcomputer input meets EEPROM, and link to each other with signal monitoring device by signal wire (12), single-chip microcomputer connects motor (20) and travel switch (17) by auxiliary circuit.
2, the universal electric energy meter IC-card intelligence prepaid device with anti-stealing electricity function according to claim 1, it is characterized in that: described control device bottom also comprises one
Shape fixture (14), affixed with switchboard, its top extends the connection box of electric energy meter box.
3, the universal electric energy meter IC-card intelligence prepaid device with anti-stealing electricity function according to claim 1, it is characterized in that: subscribers feeder in the described control device (30) live wire tandem electric inductance (31), inductance (33), zero line tandem electric inductance (32), inductance (35), inductance (36) output connect single-chip microcomputer.
4, the universal electric energy meter IC-card intelligence prepaid device with anti-stealing electricity function according to claim 1 is characterized in that: first box-packedly has an inductor core (34) in the described control device, and second is box-packed inductor core (37).
5, the universal electric energy meter IC-card intelligence prepaid device with anti-stealing electricity function according to claim 1, it is characterized in that: second box is by the disposable connection of inner hook on the described control device.
6, the universal electric energy meter IC-card intelligence prepaid device with anti-stealing electricity function according to claim 1, it is characterized in that: described control circuit includes a frequency decoder that links to each other with single-chip microcomputer.
7, the universal electric energy meter IC-card intelligence prepaid device with anti-stealing electricity function according to claim 1, it is characterized in that: described signal reader can be installed in the electric energy meter, is arranged on aluminium dish (7) corresponding section, top and bottom with holes.
8, the universal electric energy meter IC-card intelligence prepaid device with anti-stealing electricity function according to claim 1, it is characterized in that: described infraluminescence pipe (8) has screen-wall and collector lens device (9).
9, the universal electric energy meter IC-card intelligence prepaid device with anti-stealing electricity function according to claim 1, it is characterized in that: surplus value amount of described electric degree and warning device can be by light emitting diode (10).Light emitting diode (27), light emitting diode (28) shows surplus, light emitting diode (29) display alarm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 96200450 CN2235640Y (en) | 1996-01-10 | 1996-01-10 | General electric meter IC card intelligent prepaying means with protection of fraudulent use of etectricity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 96200450 CN2235640Y (en) | 1996-01-10 | 1996-01-10 | General electric meter IC card intelligent prepaying means with protection of fraudulent use of etectricity |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2235640Y true CN2235640Y (en) | 1996-09-18 |
Family
ID=33887011
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 96200450 Expired - Fee Related CN2235640Y (en) | 1996-01-10 | 1996-01-10 | General electric meter IC card intelligent prepaying means with protection of fraudulent use of etectricity |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2235640Y (en) |
-
1996
- 1996-01-10 CN CN 96200450 patent/CN2235640Y/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |