CN2189746Y - Card-shape electric meter - Google Patents

Abstract

The utility model discloses a card type electric meter, which is used for the payment of inhabitants. The utility model is composed of an electric card and an electric meter. The electric meter comprises an electromechanical switching device, a mechanical driving device, a transfer switch, a single chip computer system, a controlling switch for electricity utilization, a power supply, a casing and an electric card slot. The arrearage, omission, etc. of power rate can be basically avoided through using the utility model in power supply management. The difficult power rate collection among acquaintances can be eradicated, and concentrating statistical management of power supply department can be realized at the same time.

Description

Card-shape electric meter

The utility model is a kind of clasp type electricity meter of subscriber payment electricity consumption.

At present induction meter, electronic digital ammeter or the slot meter that uses all can't be broken away from and manually look meter and charge or the present situation of complicate statistics electricity consumption charge.Not only efficient is low for the way of manually adding up electricity consumption and charge from door to door of watt-hour meter that uses and implementation now, error is big, takes a lot of work, and is time-consuming, but also seriously exist power stealing, owing electricity charges and leakage phenomenon such as pay tariff, also be not easy to the management of power supply management department simultaneously.

The purpose of this utility model provides a kind of clasp type electricity meter, is applicable to adopt the zone of purchasing the electricity system.Before the electricity consumption, the user holds electricity and snaps into power supply management department and purchase electricity, and the managerial personnel of power supply department use the password of writer with this user, and the electric weight of buying writes the electricity card; The user only need return electric cassette tape the electric card slot several seconds of the clasp type electricity meter that inserts oneself then, and in the just automatic typing clasp type electricity meter of the contents such as electric weight of buying in the electricity card, this moment can normal electricity consumption.Clasp type electricity meter also can be finished in the table dump energy automatically and newly purchase adding up of electric weight.When the user used up the electric weight of being deposited, clasp type electricity meter cut off user's power supply automatically, forced the user to purchase again.Writer is in writing electric card process for the user, what can store this electricity consumer automatically purchases electricity, electricity consumption situation, and can carry out statistical study.So just overcome the existing shortcoming of present management of power use way, also be convenient to the power supply management of power supply department.

Main composition of the present utility model comprises electricity card ［ 1 ］ and watt-hour meter ［ 2 ］ two parts.Watt-hour meter ［ 2 ］ comprises electromechanical transformation apparatus ［ 21 ］, mechanical driving device ［ 22 ］, switch ［ 23 ］, Single Chip Microcomputer (SCM) system ［ 24 ］, uses electric control switch ［ 25 ］, power supply ［ 26 ］, shell ［ 27 ］ and electric card slot ［ 28 ］.Electromechanical transformation apparatus ［ 21 ］ in the watt-hour meter ［ 2 ］, mechanical driving device ［ 22 ］, switch ［ 23 ］, Single Chip Microcomputer (SCM) system ［ 24 ］, all be loaded in the shell ［ 27 ］ with electric control switch ［ 25 ］, power supply ［ 26 ］.Shell ［ 27 ］ is provided with electric card slot ［ 28 ］, and electricity card ［ 1 ］ can freely insert electric card slot ［ 28 ］ or therefrom extract.

The utility model has the advantages that electric energy become and buy the commodity of afterwards using earlier.Before the electricity consumption, the user holds electricity and snaps into power supply management department and purchase, the managerial personnel of power supply department are with the password of writer with the user, the electric weight that need purchase writes the electricity card, simultaneously the automatic stored user of writer purchase electric electricity consumption situation, then the user only need electric cassette tape is returned can normal electricity consumption in the electric card slot of the clasp type electricity meter that inserts oneself.One family, one card can not be general.The user can save energy power saving according to the electric weight of being purchased oneself control electricity consumption situation.After using up the electric weight of being purchased as the user, watt-hour meter is cut off the electricity supply automatically, forces the user to purchase again.Can stop power stealing, owing electricity charges and leakage phenomenon such as pay tariff like this, also be convenient to the power supply management of power supply department simultaneously.

Fig. 1 is the structural representation of watt-hour meter ［ 2 ］

Fig. 2 is the theory diagram of watt-hour meter ［ 2 ］

Fig. 3 is the circuit theory diagrams of watt-hour meter ［ 2 ］

Fig. 4-1 is for utilizing switch ［ 23 ］ circuit theory diagrams of photovalve ［ 23.1 ］

Fig. 4-2 is for utilizing switch ［ 23 ］ circuit theory diagrams of Hall element ［ 23.2 ］

Fig. 4-3 is for utilizing switch ［ 23 ］ circuit theory diagrams of reed switch ［ 23.3 ］

Preferred embodiment of the utility model is:

The utility model comprises electricity card ［ 1 ］ and watt-hour meter ［ 2 ］ two parts.Watt-hour meter ［ 2 ］ comprises electromechanical transformation apparatus ［ 21 ］, mechanical driving device ［ 22 ］, switch ［ 23 ］, Single Chip Microcomputer (SCM) system ［ 24 ］, uses electric control switch ［ 25 ］, power supply ［ 26 ］, shell ［ 27 ］ and electric card slot ［ 28 ］.Electromechanical transformation apparatus ［ 21 ］ in the watt-hour meter ［ 2 ］, mechanical driving device ［ 22 ］, switch ［ 23 ］, Single Chip Microcomputer (SCM) system ［ 24 ］, be loaded in the shell ［ 27 ］ with electric control switch ［ 25 ］, power supply ［ 26 ］, electric card slot ［ 28 ］ is arranged on the shell ［ 27 ］, and electricity card ［ 3 ］ can freely insert in the electric card slot ［ 28 ］.Electromechanical transformation apparatus ［ 21 ］ is to utilize electromagnetic induction principle to convert power consumption the rotation of aluminium matter disk to, can directly utilize the principle and the structure of existing induction meter.Mechanical driving device ［ 22 ］ is decremented to the rotation of disk by a certain percentage and slowly runs, can adopt general gear drive to divide what deceleration, its ratio of gear whenever turns around corresponding power consumption greater than 0.1 degree with final stage gear ［ 22.1 ］,, can improve for this value of big electricity consumer for good less than 10 degree.Final stage gear ［ 22.1 ］ is equipped with a little shade ［ 22.2 ］, uses in order to the switch ［ 23 ］ that utilizes photovalve ［ 23.1 ］ to form; One little permanent-magnet steel ［ 22.3 ］ also can be housed, use in order to the switch ［ 23 ］ that utilizes Hall element ［ 23.2 ］ or reed switch ［ 23.3 ］ to form.Switch ［ 23 ］ is experienced the shade ［ 22.2 ］ on the final stage gear ［ 22.1 ］ of mechanical driving device ［ 22 ］ or the motion of permanent-magnet steel ［ 22.3 ］, thereby be the energising number of times of Single Chip Microcomputer (SCM) system ［ 24 ］ with the turning collar number conversion of final stage gear ［ 22.1 ］, be that final stage gear ［ 22.1 ］ whenever turns around, Single Chip Microcomputer (SCM) system ［ 24 ］ energising operation is once cut off the power supply at ordinary times.The available following several method of switch ［ 23 ］ is realized.

(1) Fig. 4-1 is for utilizing switch ［ 23 ］ circuit theory diagrams of photovalve ［ 23.1 ］.D among the figure ₁, D ₂Be two photovalves, D ₁Be infrared transmitting tube, D ₂Be infrared receiving tube.DG is a PNP triode ［ 23.4 ］, and its emitter connects power supply ［ 26 ］, and voltage is V.Collector connects Single Chip Microcomputer (SCM) system ［ 24 ］ power end.A ₁Be amplification and rectification circuit ［ 23.5 ］.The final stage gear ［ 22.1 ］ of mechanical driving device ［ 22 ］ whenever turns around, and the shade ［ 22.2 ］ on the final stage gear ［ 22.1 ］ is from D ₁, D ₂Between by once, make D ₁The rayed of sending is less than D ₂On, cause that infrared receiving end output voltage changes, make the DG conducting, Single Chip Microcomputer (SCM) system ［ 24 ］ energising operation is once.

(2) Fig. 4-2 is the circuit theory diagrams that utilize the switch ［ 23 ］ of Hall element ［ 23.2 ］.A among the figure ₃Be Hall element ［ 23.2 ］ that DG is a PNP triode ［ 23.4 ］, its emitter connects power supply ［ 26 ］ output, and voltage is V.Collector connects Single Chip Microcomputer (SCM) system ［ 24 ］ power end.A ₂Form amplification and rectification circuit ［ 23.6 ］.The final stage gear ［ 22.1 ］ of mechanical driving device ［ 22 ］ whenever turns around, and the permanent-magnet steel ［ 22.3 ］ on the final stage gear ［ 22.1 ］ is near Hall element ［ 23.2 ］ A ₃Once, make Hall element ［ 23.2 ］ A ₃Output voltage changes, through A ₂Conducting DG after the amplification shaping, Single Chip Microcomputer (SCM) system ［ 24 ］ energising operation once.

(3) Fig. 4-3 is the schematic diagram that utilizes the switch ［ 23 ］ of reed switch ［ 23.3 ］.The output of reed switch ［ 23.3 ］ one termination powers ［ 26 ］, voltage is V, the other end connects Single Chip Microcomputer (SCM) system ［ 24 ］ power end.Separate at reed switch ［ 23.3 ］ the two poles of the earth at ordinary times, and Single Chip Microcomputer (SCM) system ［ 24 ］ does not have.The final stage gear ［ 22.1 ］ of mechanical driving device ［ 22 ］ whenever turns around, and the permanent-magnet steel ［ 22.3 ］ on the final stage gear ［ 22.1 ］ near reed switch ［ 23.3 ］ once.The two poles of the earth of reed switch this moment ［ 23.3 ］ are magnetized, adhesive, and Single Chip Microcomputer (SCM) system ［ 24 ］ energising operation once.

Single Chip Microcomputer (SCM) system ［ 24 ］ by online erasable, the power down of singlechip chip (can select 80C31) and not the storer of obliterated data constitute, the every energising of Single Chip Microcomputer (SCM) system ［ 24 ］ once is equivalent to the user and had used certain electric weight, this moment, single-chip microcomputer cut the electric weight of using with the dump energy number of store memory, and judged whether existing dump energy is zero.As be zero, then, cut off user's power supply to sending signal with electric control switch ［ 25 ］, force the user to purchase again.Above-mentioned storer can be selected Serial E for use ²The PROM chip, I/O mouth (input/output port) the simulation Serial E of single-chip microcomputer ²The read-write to storer is finished in the read-write of PROM.Can select the universal miniature high power relay for use with electric control switch ［ 25 ］, control by the port of single-chip microcomputer.Electricity card ［ 1 ］ is by online erasable, and the power down not memory device of obliterated data constitutes on plate, and storer can adopt Serial E ²The PROM chip.Have on the plate and the corresponding golden finger of electric card slot ［ 28 ］, link when electricity card ［ 1 ］ inserts then electric storer and the Single Chip Microcomputer (SCM) system ［ 24 ］ of blocking on ［ 1 ］ of electric card slot ［ 28 ］, Single Chip Microcomputer (SCM) system ［ 24 ］ can be blocked ［ 1 ］ read-write to electricity.The user carries electricity card ［ 1 ］ and buys electric word to power supply management department, and by after purchasing electric weight and paying the fees, management of power use personnel use writer (management system for selling power) to write user cipher in electricity card ［ 1 ］ and continue the power consumption of purchasing.Writer is made of universal microcomputer system and special interface circuit.Electric card slot is arranged on the special interface circuit.The universal microcomputer system links by the expansion slot and the special interface circuit of its main frame inside, and finishes read-write to electricity card ［ 1 ］ by special interface circuit, and user's electricity consumption situation is added up.Configuration sale of electricity management software in the universal microcomputer system of writer is finished the electric electricity consumption situation statistics of purchasing of each electricity consumer automatically, can automatically this be purchased electric situation and deposit this user's statistical form in when writing electricity card ［ 1 ］.After the user purchases electricity, only need should electricity card ［ 1 ］ to insert the interior several seconds of electric card slot ［ 28 ］ on oneself shell ［ 27 ］ of clasp type electricity meter ［ 2 ］, clasp type electricity meter ［ 2 ］ can be discerned password and the power consumption on the electricity card ［ 1 ］ automatically, and will newly purchase power consumption and deposit online erasable in the Single Chip Microcomputer (SCM) system ［ 24 ］ in, power down is the storer (Serial E of obliterated data not ²PROM) in, and will purchase newly automatically when depositing in that dump energy adds up in electric weight and the former table.Electricity card ［ 1 ］ inserts electric card slot ［ 28 ］, can extract when seeing after table last indicates light emitting diode bright, and this moment, electricity card ［ 1 ］ content deposited Single Chip Microcomputer (SCM) system ［ 24 ］ in, and the electric weight that electricity blocks in ［ 1 ］ is eliminated.Power supply ［ 6 ］ is converted to Single Chip Microcomputer (SCM) system ［ 24 ］ with the 220V alternating current, switch ［ 23 ］ and with the required direct current of electric control switch ［ 25 ］.The form that can adopt general transformer to add integrated voltage stabilizer constitutes.Electricity card slot ［ 28 ］ can be selected the less microcomputer bus groove of figure place for use.

The utility model is applicable to and adopts the zone of purchasing the electricity system.Before the electricity consumption, the user holds electricity and snaps into management of power use department and purchase, management of power use personnel use writer with this user's password and purchase electric weight and write the electricity card, writer stores this user's electricity consumption situation statistics simultaneously automatically, and the sale of electricity management software is finished each user's the statistics of purchasing by telephone electric situation of using in the writer.The user inserts the electricity card can normal electricity consumption in oneself the electric card slot of clasp type electricity meter.When the user used up the electric weight of being purchased, watt-hour meter was cut off the electricity supply automatically, forced the user to purchase again.In power supply management, use this clasp type electricity meter can stop owing electricity charges and leakage phenomenon such as pay tariff, save human and material resources, and can eradicate the human feelings relation in the electric fees charging.Also be convenient to simultaneously the concentrated statistical management of power supply department.

Claims (6)

1, a kind of clasp type electricity meter is characterized in that it comprises electricity card [1], watt-hour meter [2]; Watt-hour meter [2] comprises electromechanical transformation apparatus [21], mechanical driving device [22], switch [23], Single Chip Microcomputer (SCM) system [24], uses electric control switch [25], power supply [26], shell [27] and electric card slot [28].

2, clasp type electricity meter as claimed in claim 1, it is characterized in that in the watt-hour meter ［ 2 ］ electromechanical transformation apparatus ［ 21 ］, mechanical driving device ［ 22 ］, switch ［ 23 ］, Single Chip Microcomputer (SCM) system ［ 24 ］, all be loaded in the shell ［ 27 ］ with electric control switch ［ 25 ］, power supply ［ 26 ］, electric card slot ［ 28 ］ is arranged on the shell ［ 27 ］, and electricity card ［ 1 ］ can insert in the electric card slot ［ 28 ］ easily.

3, clasp type electricity meter as claimed in claim 1 is characterized in that the mechanical driving device ［ 22 ］ in the watt-hour meter ［ 2 ］ is the transmission of multi-stage gear reduction of speed, and a shade ［ 22.2 ］ or a little permanent-magnet steel ［ 22.3 ］ are housed on the final stage gear ［ 22.1 ］.

4, clasp type electricity meter as claimed in claim 1, it is characterized in that the switch ［ 23 ］ in the watt-hour meter ［ 2 ］ comprises photovalve ［ 23.1 ］ (infrared transmitting tube, infrared receiving tube), a PNP triode ［ 23.4 ］ and signal transformation circuit ［ 23.5 ］, the emitter of PNP triode ［ 23.4 ］ connects power supply ［ 26 ］ output, collector connects Single Chip Microcomputer (SCM) system ［ 24 ］ power end, the final stage gear ［ 22.1 ］ of mechanical driving device ［ 22 ］ whenever turns around, shade ［ 22.2 ］ on the final stage gear ［ 22.1 ］ is from passing through once between infrared transmitting tube and infrared receiving tube, cause that infrared receiving end output voltage changes, make PNP triode ［ 23.4 ］ conducting behind shaping circuit ［ 23.5 ］, Single Chip Microcomputer (SCM) system ［ 24 ］ energising operation once.

5, clasp type electricity meter as claimed in claim 1, it is characterized in that the switch ［ 23 ］ in the watt-hour meter ［ 2 ］ comprises Hall element ［ 23.2 ］, a PNP triode ［ 23.4 ］ and signal transformation circuit ［ 23.6 ］, the emitter of PNP triode ［ 23.4 ］ connects power supply ［ 26 ］ output, collector connects Single Chip Microcomputer (SCM) system ［ 24 ］ power end, the final stage gear ［ 22.1 ］ of mechanical driving device ［ 22 ］ whenever turns around, little permanent-magnet steel ［ 22.3 ］ on the final stage gear ［ 22.1 ］ near Hall element ［ 23.2 ］ once, Hall element ［ 23.2 ］ output voltage is changed, make PNP triode ［ 23.4 ］ conducting through amplification and rectification circuit ［ 23.6 ］, Single Chip Microcomputer (SCM) system ［ 24 ］ energising operation once.

6, clasp type electricity meter as claimed in claim 1, it is characterized in that the switch ［ 23 ］ in the watt-hour meter ［ 2 ］ comprises reed switch ［ 23.3 ］, the output of reed switch ［ 23.3 ］ one termination powers ［ 26 ］, the other end connects Single Chip Microcomputer (SCM) system ［ 24 ］ power end, separate at reed switch ［ 23.3 ］ the two poles of the earth at ordinary times, Single Chip Microcomputer (SCM) system ［ 24 ］ does not have, the final stage gear ［ 22.1 ］ of mechanical driving device ［ 22 ］ whenever turns around, permanent-magnet steel ［ 22.3 ］ on the final stage gear ［ 22.1 ］ near reed switch ［ 23.3 ］ once, the two poles of the earth of reed switch this moment ［ 23.3 ］ are magnetized, adhesive, Single Chip Microcomputer (SCM) system ［ 24 ］ energising operation once.

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