CN212568942U - Data acquisition device for intelligent electric meter - Google Patents

Abstract

The intelligent electric meter data acquisition device comprises an intelligent electric meter body, a mobile phone remote control circuit module, a voltage stabilizing module, a light control circuit, a counting circuit and a delay control circuit; the mobile phone remote control circuit module, the light control circuit, the counting circuit, the delay control circuit and the voltage stabilizing module are installed in the element box and are connected with the intelligent ammeter body single chip microcomputer module and the GPRS module through leads. This novel can be according to administrative department preset's time quantum, transmission smart electric meter power consumption data to distal end backstage, distal end managers still can be at any time as required, through cell-phone control GPRS module transmission power consumption data, it is convenient more nimble to use, other time quantum single chip module and GPRS module are in the power-off state (all the other parts standby flow are only about 10 mA), the electric energy has been saved from this to reach, and because the data bulk significantly reduced of transmission, it is more effective to have guaranteed that backstage application software processes data. Based on the above, this is novel has good application prospect.

Description

Data acquisition device for intelligent electric meter

Technical Field

The utility model relates to a smart electric meter corollary equipment technical field, especially a smart electric meter data acquisition device.

Background

The intelligent electric meter capable of realizing remote transmission of electricity consumption data brings convenience to managers and saves cost for related departments as no personnel need to read the meter on site. In order to realize data remote transmission, the intelligent electric meter is mainly internally matched with a power module, a data acquisition module, a single chip microcomputer module, a GPRS module and other components (the power module supplies power for other modules), during operation, the data acquisition module inputs the acquired power consumption data of the intelligent electric meter into the single chip microcomputer module, the single chip microcomputer module converts the input power consumption data of the intelligent electric meter into digital signals, then the data are remotely transmitted through a GPRS module through a wireless mobile network, after a remote management department PC and the like connected with the GPRS module receive the wireless data signals, the power consumption data of the intelligent electric meter can be visually known through the display of internal application software (the application software can store the real-time data through a matched storage module).

In practical situations, the management department does not need to continuously know the electricity consumption data of the smart meter in real time, and generally can meet the actual work requirement after knowing the electricity consumption data of the smart meter in a relevant area (for example, the smart meter used in a production plant) once every month or longer; firstly, because the working current of the singlechip module and the GPRS module is about hundreds of mA (especially the power consumption of the GPRS module is large), the electric energy waste can be caused by continuously transmitting data for a long time; secondly, as the intelligent electric meters at a plurality of positions transmit data to the remote management background in real time without interruption, the transmitted data volume is large, the requirement on application software for receiving and processing data signals by the background is high, and when the data volume is too large, the application software can not effectively process each relevant data, so that the effective collection of the electricity consumption data of the intelligent electric meters is influenced.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects that the existing intelligent electric meter capable of realizing remote transmission of power consumption data is limited by the structure, the real-time uninterrupted transmission of the power consumption data can cause electric energy waste, the probability of the failure of related parts is increased, and will cause the disadvantage that certain influence to the effect of applying the data processing software, processing the relevant data of the backstage supporter, the utility model provides the utility model, can transmit the electricity consumption data of the intelligent ammeter to the remote backstage supporter according to the time quantum preset by the management department, the remote management personnel can also control the GPRS module to transmit the electricity consumption data through the mobile phone at any time according to the needs, the application is more convenient and flexible, the singlechip module and the GPRS module are in a power-off state (standby current of other parts is only about 10 mA) in other time periods, thereby saving electric energy, and the data volume transmitted is greatly reduced, so that the intelligent electric meter data acquisition device with more effective data processing by background application software is ensured.

The utility model provides a technical scheme that its technical problem adopted is:

the intelligent electric meter data acquisition device comprises an intelligent electric meter body, a mobile phone remote control circuit module and a voltage stabilizing module, and is characterized by further comprising a light control circuit, a counting circuit and a delay control circuit; the mobile phone remote control circuit module, the light control circuit, the counting circuit, the delay control circuit and the voltage stabilizing module are arranged in the element box; the positive power output terminal pin of the voltage stabilizing module is electrically connected with the first positive power input terminals of the mobile phone remote control circuit module and the delay control circuit, and the positive power output terminal of the delay control circuit is electrically connected with the positive power input terminals of the light control circuit and the counting circuit; the signal output end of the light control circuit is electrically connected with the first signal input end of the counting circuit, the control signal input and output ends of the counting circuit and the mobile phone remote control circuit module are respectively and electrically connected in series between two power supply output ends of a power supply module in the intelligent ammeter and two power supply input ends of the singlechip module and the GPRS module, and the signal output end of the delay control circuit is electrically connected with the second signal input end of the counting circuit; the positive power output end of the counting circuit is electrically connected with the second positive power input end of the delay control circuit, and the negative power output end of the voltage stabilizing module is electrically connected with the negative power input ends of the mobile phone remote control circuit module, the light control circuit, the counting circuit and the delay control circuit.

Further, the light control circuit comprises a photoresistor, a resistor, an NPN triode and a relay, wherein the photoresistor, the resistor, the NPN triode and the relay are connected through a circuit board in a wiring mode, one end of the photoresistor is connected with the input end of a positive power supply of the relay, the other end of the photoresistor is connected with one end of the resistor, the other end of the resistor is connected with a base electrode of the NPN triode, and a collector electrode.

Furthermore, the counting circuit comprises a counter and a relay, wherein the counter and the relay are connected through a circuit board in a wiring mode, and a power supply output end of the counter is connected with two ends of a power supply input end of the relay respectively.

Furthermore, the delay control circuit comprises a relay, a resistor, NPN triodes and an electrolytic capacitor, which are connected by a circuit board, wherein the positive electrode of the first relay is connected with the input end of a control power supply, one end of the first resistor is connected with one end of the second resistor and the input end of the positive power supply of the second relay, the other end of the first resistor is connected with the positive electrode of the first electrolytic capacitor and one end of the third resistor, the other end of the third resistor is connected with the base electrode of the first NPN triode, the emitter electrode of the first NPN triode is connected with the base electrode of the second NPN triode, the collector electrodes of the first and the second NPN triodes are connected with the input end of the negative power supply of the first relay, the other end of the second resistor is connected with the positive electrode of the second electrolytic capacitor and one end of the fourth resistor, the other end of the fourth resistor is connected with the base electrode of the third NPN triode, the emitter electrode of the third NP, the collector electrodes of the third NPN triode and the fourth NPN triode are connected with the power input end of the negative electrode of the second relay, and the negative electrodes of the two electrolytic capacitors are connected with the emitter electrodes of the second NPN triode and the fourth NPN triode.

Furthermore, the mobile phone remote control circuit module is also matched with a relay connected through circuit board wiring, and a first path of control power supply output terminal, a negative power supply input end and two ends of a relay power supply input end of the mobile phone remote control circuit module are respectively connected.

Further, the voltage stabilizing module is an alternating current to direct current switching power supply module.

The utility model has the advantages that: the novel intelligent electric meter can set the interval time for the intelligent electric meter to transmit electricity data to the background by operating the corresponding keys of the counter according to the time period preset by a management department; under the action of the light control circuit and the counting circuit, the counter can count in an accumulated manner once every day, and after the set number of days is reached, under the combined action of the counting circuit, the delay control circuit and the like, the power supply of the singlechip module and the GPRS module in the intelligent electric meter can be automatically switched on within a period of time, so that the intelligent electric meter can transmit power consumption data within a period of time to a far-end background through the GPRS module under the function action of the intelligent electric meter. This novel far-end managers still can be at any time as required, and the power of singlechip module, the GPRS module in the smart electric meter is switched on in a period through cell-phone control, with the power consumption data in a period of time transmit the far-end backstage through the GPRS module, use convenient more nimble. This novel other time quantum single chip module, GPRS module are in the power failure state (this novel all parts standby flow is only about 10 mA), have saved the electric energy from this to because the data bulk significantly reduced of transmission has guaranteed that backstage application software processes data more effectively. Based on the above, the novel device has a good application prospect.

Drawings

The present invention will be further explained with reference to the drawings and examples.

Fig. 1 is a block diagram showing the structure of the present invention.

Fig. 2 is a schematic structural diagram of the present invention.

Fig. 3 is a circuit diagram of the present invention.

Detailed Description

As shown in fig. 1 and 2, the data acquisition device for the smart electric meter comprises a smart electric meter body 4 with necessary components such as a data acquisition module 1, a single chip microcomputer module 2, a GPRS module 3, a power module 11, a mobile phone remote control circuit module 5, a voltage stabilizing module 6, a light control circuit 7, a counting circuit 8 and a delay control circuit 9; the mobile phone remote control circuit module 5, the light control circuit 7, the counting circuit 8, the delay control circuit 9 and the voltage stabilizing module 5 are installed on a circuit board in an element box 10, and the element box 10 is installed at the upper end of a shell of the intelligent electric meter 4.

As shown in fig. 3, the light control circuit includes a photo resistor RL, a resistor R, NPN, a transistor Q1 and a relay J, which are connected by a circuit board, one end of the photo resistor RL is connected with a positive power input end of the relay J, the other end of the photo resistor RL is connected with one end of a resistor R, the other end of the resistor R is connected with a base of an NPN transistor Q1, a collector of the NPN transistor Q1 is connected with a negative power input end of the relay J, and a light receiving surface of the photo resistor RL is located outside an opening in the front middle of the element box 10, which is beneficial to detecting an external light source (no lighting source. The counting circuit comprises a counter finished product A1 with alarm output and a relay J1 which are lucky in brand and JX008BA-C11 in model and are connected through circuit board wiring, the counter finished product A1 is provided with a four-digit digital display tube, two setting keys, a zero clearing key QL and 7 terminals, 1 and 2 pins of the 7 terminals are respectively connected with an input 12V power supply, 4 and 5 pins are respectively connected with a switching signal, 3 pins are suspended, 6 and 7 pins are respectively connected with electric equipment, after the power is on, a user can set the counter to achieve the set counting by operating the two setting keys respectively, then 6 and 7 pins output positive and negative two-pole power supplies, the counter A1 has a memory function, the set data in the counter A1 cannot be lost as long as the next setting power is not conducted, and the 6 and 7 pins of the counter finished product A1 and two ends of the power input of the relay J1. The time delay control circuit comprises relays J2 and J3, resistors R1, R2, R3 and R4, NPN triodes Q2, Q3, Q4 and Q5, and electrolytic capacitors C1 and C2 which are connected through circuit board wiring; the positive electrode of a first relay J2 is connected with the input end of a control power supply, one end of a first resistor R1 is connected with one end of a second resistor R2 and the positive electrode power supply input end of a second relay J3, the other end of a first resistor R1 is connected with the positive electrode of a first electrolytic capacitor C1 and one end of a third resistor R3, the other end of the third resistor R3 is connected with the base electrode of a first NPN triode Q2, the emitter electrode of the first NPN triode Q2 is connected with the base electrode of a second NPN triode Q3, the collectors of the first and second NPN triodes Q2 and Q3 are connected with the negative electrode power supply input end of the first relay J2, the other end of the second resistor R2 is connected with the positive electrode of a second electrolytic capacitor C2 and one end of a fourth resistor R4, the other end of the fourth resistor R4 is connected with the base electrode of a third NPN triode Q4, the emitter electrode of a third triode Q4 is connected with the base electrode of a fourth triode Q582, the collector electrode of the third resistor R69553 is connected with the negative electrode of the third NPN triode Q8653 and the collector, two electrolytic capacitors C1 and C2 are connected with the negative electrodes of the second and fourth NPN triodes Q3 and Q5. The mobile phone remote control circuit module A2 is also matched with a relay J4 connected by circuit board wiring, the mobile phone remote control circuit module A2 is a finished product of a remote wireless controller of a factory brand of Tohaxon and a model CL4-GPRS, and is provided with two power input ends 1 and 2 pins, four-way control power output terminals, the working voltage is direct current 12V, in use, through the existing mature mobile phone APP technology, a user can respectively send out control instructions at a far end through a mobile phone APP through a wireless mobile network, the mobile phone remote control circuit module A2 can respectively control the output ends of the four-way control power output ends to output or not output power after receiving the control instructions, and the first-way control power output terminal 3 pins, the negative power input end 2 pins and the relay J4 power input ends of the mobile phone remote control circuit module A2 are respectively connected. The voltage stabilizing module A is a finished product of a switching power supply module with the power of 50W, which is converted from alternating current 220V to direct current 12V and is of a model number MP-U72S 12.

As shown in fig. 3, the power input terminals 1 and 2 of the voltage stabilizing module a and the two poles of the ac 220V power supply (the electric meter terminal) are connected by wires, the positive power output terminal 3 of the voltage stabilizing module a and the positive power input terminal 1 of the mobile phone remote control circuit module a2, the control power input terminal of the delay control circuit first positive power input terminal relay J2 are connected by wires, the normally closed contact terminal of the positive power output terminal relay J2 of the delay control circuit is connected with one end of the photoresistor RL of the positive power input terminal of the light control circuit, and the pin 1 of the counter a1 of the positive power input terminal of the counter circuit are connected by wires; the control contact end and the normally open contact end of a signal output end relay J of the light control circuit and the switch signal pins 4 and 5 of a first signal input end of a counting circuit A1 are respectively connected through leads, two control contact ends and two normally open contact ends of a control signal input and output end relay J1 of the counting circuit, two control contact ends and two normally open contact ends of a control signal input and output end relay J4 of a remote control circuit module of the mobile phone are respectively connected in series between two power output ends of a power module DY in the intelligent ammeter and two power input ends of a single chip microcomputer module and a GPRS module (A3) through leads, and two contacts under the control contact end and the normally open contact end of a signal output end relay J3 of the delay control circuit and a zero clearing key QL of a second signal input end counter A1 of the counting circuit are respectively connected through leads; the pin 6 of the positive power output end counter A1 of the counting circuit is connected with one end of a second positive power input end resistor R1 of the delay control circuit through a lead, the pin 4 of the negative power output end of the voltage stabilizing module A is connected with the pin 2 of the negative power input end of the mobile phone remote control circuit module A2, the emitter of the NPN triode Q1 of the negative power input end of the light control circuit, the pin 2 of the counter A1 of the negative power input end of the counting circuit and the emitter of the NPN triode Q3 of the negative power input end of the delay control circuit are connected through leads.

As shown in fig. 1, 2 and 3, in the present invention, after a 220V ac power supply enters two ends of a power input of a voltage stabilizing module a, pins 3 and 4 of the voltage stabilizing module a will output a stable 12V dc power supply under the action of its internal circuit, and enter a mobile phone remote control circuit module a2 and a first power input end of a delay control circuit, so that the mobile phone remote control circuit module a2 and the first power input end of the delay control circuit are in an energized operating state; meanwhile, the positive pole of the 12V power supply controls the power supply input end and the normally closed contact end to enter the positive power supply input ends of the light control circuit and the counting circuit through the relay J2 of the delay control circuit, so that the light control circuit and the counting circuit are in an electrified working state. In the light control circuit, the counter circuit: after the light control circuit is electrified to work, the resistance value of the photoresistor RL is about 10M because the illumination intensity is extremely low every night, so that the base voltage of an NPN triode Q1 is lower than 0.7V and is in a cut-off state, the relay J cannot be electrified and attracted, and the counter A1 cannot accumulate days; in daytime and during day-night lighting, the light illuminance is increased, the resistance value of the photoresistor RL becomes smaller to be about 100K, so that a 12V power supply is subjected to voltage reduction and current limitation through the photoresistor RL and the resistance R and is higher than 0.7V initial voltage of the base of an NPN triode Q1, then the NPN triode Q1 is conducted, the collector of the NPN triode Q1 outputs low level to enter the input end of a relay J negative power supply, and then the relay J is electrified to attract the control contact end and the normally open contact end of the relay J to be closed; because the control contact end and the normally open contact end of the relay J are respectively connected with the pins 4 and 5 of the switch signal pin of the counting circuit A1, the counter can count the number of accumulated days once every day when the counter is on immediately; after the internal circuit of the counter A1 and a manager set keys through the counter A1 and the set counter reach the set count (for example, 30 days), pins 6 and 7 of the counter A1 output positive and negative power supplies to respectively enter a positive and negative power supply input end of a relay J1 and a second power supply input end of the delay control circuit, so that the second power supply input end of the delay control circuit is in a power-on working state; after the relay J1 is electrified, two control contact ends and two normally open contact ends of the relay J1 are attracted and closed respectively, because the two control contact ends and the two normally open contact ends of the relay J1 are connected in series between two power output ends of a power module DY and a single chip microcomputer module in the intelligent electric meter and between two power input ends of a GPRS module (A3) through leads respectively, the single chip microcomputer module and the GPRS module (A3) can be electrified to work at the moment, under the action of an internal circuit of the intelligent electric meter body, a data acquisition module in the intelligent electric meter body can input acquired power utilization data of the intelligent electric meter to the single chip microcomputer module, the single chip microcomputer module converts the input power utilization data of the intelligent electric meter into digital signals, then the data are remotely transmitted through a wireless mobile network through the GPRS module, after a remote management department PC machine connected with the GPRS module receives the wireless data signals, the power utilization data of the intelligent electric meter can be intuitively known through the display of application software inside the The data is stored by the matched storage module, so that the manager can conveniently retrieve and read the data).

As shown in fig. 1, 2, and 3, after the delay control circuit is powered on, the 12V power supply output by pin 6 of the counter a1 is further reduced voltage and limited current by the resistor R2 to charge the electrolytic capacitor C2, and when the electrolytic capacitor C2 is not fully charged within 60 seconds from the beginning, the positive electrode of the 12V power supply is reduced voltage and limited current by the resistors R2 and R4 to enter the darlington tube base voltage composed of NPN triodes Q4 and Q5 and is lower than 0.7V, so that the darlington tube is in a cut-off state, and the subsequent electrical appliance J3 is not powered on and pulled in an electrical manner; after 60 seconds, when the electrolytic capacitor C2 is fully charged, the voltage of the positive electrode of the 12V power supply is reduced and limited by the resistors R2 and R4, and then the voltage of the positive electrode of the 12V power supply enters a Darlington tube base electrode consisting of NPN triodes Q4 and Q5 and is higher than 0.7V, so that the Darlington tube is in a conducting state, the low level output by the collector electrode of the Darlington tube enters the negative power supply input end of the relay J3, and further the relay J3 is electrified to attract the control contact end and the normally open contact end of; because two terminals of the zero clearing key QL of the counter A1 are respectively connected with the control contact end and the normally open contact end of the relay J3 (equivalent to manually pressing the zero clearing key QL), at the moment, under the action of the internal circuit of the counter A1, the accumulated counting days of the counter A1 can be cleared, the next 30-day accumulated days are counted, after the next 30-day counting is finished, the 6 and 7 pins of the counter A1 can output power again, further, the single chip microcomputer module converts the input electricity data of the intelligent ammeter into digital signals again, and then the data are transmitted remotely through the GPRS module and the wireless mobile network, so that the actual requirements are met. The time delay control circuit is electrified to work, the 12V power supply is used for charging an electrolytic capacitor C2, meanwhile, the 12V power supply can also be subjected to voltage reduction and current limitation through a resistor R1 to charge an electrolytic capacitor C1, when the electrolytic capacitor C1 is not fully charged in the first 70 seconds, the positive electrode of the 12V power supply enters a base electrode voltage of a Darlington tube consisting of NPN triodes Q2 and Q3 and is subjected to voltage reduction and current limitation through resistors R1 and R3, and is lower than 0.7V, so that the Darlington tube is in a cut-off state, and the subsequent relay J2 cannot be electrified and attracted; after 70 seconds, when the electrolytic capacitor C1 is fully charged, the voltage of the positive electrode of the 12V power supply is reduced and limited by the resistors R1 and R3, and then the voltage of the positive electrode of the 12V power supply enters a Darlington tube base electrode consisting of NPN triodes Q2 and Q3 and is higher than 0.7V, so that the Darlington tube is in a conducting state, the collector of the Darlington tube outputs low level and enters the negative power supply input end of the relay J2, and further the relay J2 is electrified to attract the control contact end and the normally closed contact end of the relay; because the second power input ends of the light control circuit and the subsequent delay control circuit and the positive power input end of the timing circuit are connected with the normally closed contact end of the relay J2, at the moment, the second power input ends of the light control circuit and the subsequent delay control circuit and the timing circuit can be completely powered off and can not work any more (two control contact ends and two normally open contact ends of the relay J1 are respectively opened when the relay J1 is powered off), the singlechip module and the GPRS module (A3) can not transmit the total electricity data of the intelligent ammeter within a period of time due to the power failure, and the whole process of transmitting the electricity data accumulated for one time is completed; after the relay J2 loses power, the NPN triodes Q2 and Q3 will be conducted for a period of time due to the voltage charged in the electrolytic capacitor C1, and after about 5 seconds, the voltage charged in the electrolytic capacitor C1 is not enough to maintain the NPN triodes Q2 and Q3 to be conducted continuously, when the NPN triodes Q2 and Q3 are cut off, the relay J2 loses power again and does not attract the input end of the control power supply and the normally closed contact end to be closed again, thus, the anode of the 12V power supply controls the power supply input end and the normally closed contact end to supply power to the second power supply input end of the light control circuit and the subsequent delay control circuit and the power supply input end of the timing circuit through the relay J2 again, which is equivalent to that all the circuits return to the initial state and count up after the timing circuit counts up for 30 days next time, the singlechip module converts the input electricity data of the intelligent electric meter into digital signals again, and then the data are remotely transmitted by the GPRS module through a wireless mobile network to be prepared.

As shown in fig. 1, 2 and 3, after the mobile phone remote control circuit module a2 works with power, the remote management staff can send out control commands through the mobile phone APP via the wireless mobile network at any place of the remote end as required, and send out the first wireless closing control command through the mobile phone operation interface, after the mobile phone remote control circuit module a2 receives the closing control command, the first control power output terminal 3 pin will output power to enter the positive power input terminal of the relay J4, so that the relay J4 can be powered on to close the two control power input terminals and the two normally open contact terminals thereof, because the two control contact terminals and the two normally open contact terminals of the relay J4 are respectively connected in series with the two power output terminals of the power module DY and the single chip module DY via wires, Between two power input ends of GPRS module (A3), so at this moment single chip microcomputer module, GPRS module (A3) can be electrified work, under the effect of smart electric meter body internal circuit, this internal data acquisition module of smart electric meter is with the smart electric meter power consumption data input to single chip microcomputer module of gathering, single chip microcomputer module is the data conversion with the smart electric meter power consumption data of input, then pass through wireless mobile network with the data teletransmission through the GPRS module, after receiving wireless data signal with the remote management department PC machine etc. that the GPRS module was established and is connected, just can directly perceivedly know smart electric meter's power consumption data through its inside application software display. When the data transmission of the intelligent electric meter body needs to be closed, a manager sends out a first path of wireless open-circuit instruction through a mobile phone operation interface, after the mobile phone remote control circuit module A2 receives the open-circuit control instruction, the 3 feet of the first path of control power output end can stop the output power to enter the positive power input end of the relay J4, then, the relay J4 loses power and does not attract the two control power input ends and the two normally open contact ends to open circuits, thus, the singlechip module in the intelligent electric meter body and the GPRS module (A3) lose power and do not work, the purpose that the remote control stops the intelligent electric meter body to transmit data is achieved, and the application is more convenient and flexible. The GPRS module in other novel time periods is in a power-off state (standby current of all parts is only about 10 mA), so that electric energy is saved, transmitted data volume is greatly reduced (data uploading time of a plurality of intelligent electric meters is inconsistent, data volume cannot be overlarge, and data processing of background application software is more effective, the GPRS module can be directly installed in an intelligent electric meter body to expand functions of the intelligent electric meter body, technicians can also install the GPRS module outside the intelligent electric meter body for use, the relays J, J1, J2, J3 and J4 are DC12V relays, the photoresistor RL is MD45, the resistors R, R3, R4, R1 and R2 are respectively 100 omega, 470K, 1.16M (can be replaced by adjustable resistors) and 1.35M (can be replaced by adjustable resistors), the electrolytic capacitors C1 and C2 are 47 muF/25V, the NPN transistor Q1, Q2, Q3 and Q3, Model numbers of Q4 and Q5 are 9013.

The essential features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (6)

1. The intelligent electric meter data acquisition device comprises an intelligent electric meter body, a mobile phone remote control circuit module and a voltage stabilizing module, and is characterized by further comprising a light control circuit, a counting circuit and a delay control circuit; the mobile phone remote control circuit module, the light control circuit, the counting circuit, the delay control circuit and the voltage stabilizing module are arranged in the element box; the positive power output terminal pin of the voltage stabilizing module is electrically connected with the first positive power input terminals of the mobile phone remote control circuit module and the delay control circuit, and the positive power output terminal of the delay control circuit is electrically connected with the positive power input terminals of the light control circuit and the counting circuit; the signal output end of the light control circuit is electrically connected with the first signal input end of the counting circuit, the control signal input and output ends of the counting circuit and the mobile phone remote control circuit module are respectively and electrically connected in series between two power supply output ends of a power supply module in the intelligent ammeter and two power supply input ends of the singlechip module and the GPRS module, and the signal output end of the delay control circuit is electrically connected with the second signal input end of the counting circuit; the positive power output end of the counting circuit is electrically connected with the second positive power input end of the delay control circuit, and the negative power output end of the voltage stabilizing module is electrically connected with the negative power input ends of the mobile phone remote control circuit module, the light control circuit, the counting circuit and the delay control circuit.

2. The data acquisition device of the intelligent electric meter according to claim 1, wherein the light control circuit comprises a photoresistor, a resistor, an NPN triode and a relay, the photoresistor, the NPN triode and the relay are connected through a circuit board in a wiring mode, one end of the photoresistor is connected with a positive power supply input end of the relay, the other end of the photoresistor is connected with one end of the resistor, the other end of the resistor is connected with a base electrode of the NPN triode, and a collector electrode of the NPN.

3. The device of claim 1, wherein the counter circuit comprises a counter and a relay, the counter and the relay are connected by wiring on a circuit board, and the power output terminal of the counter and the power input terminal of the relay are respectively connected.

4. The data collection device of the smart meter according to claim 1, wherein the delay control circuit comprises a relay, a resistor, an NPN transistor, and an electrolytic capacitor, which are connected by wiring on a circuit board, a first relay anode and a control power input terminal are connected, one end of the first resistor is connected with one end of the second resistor, and a second relay anode power input terminal, the other end of the first resistor is connected with a first electrolytic capacitor anode and one end of a third resistor, the other end of the third resistor is connected with a first NPN transistor base, an emitter of the first NPN transistor is connected with a second NPN transistor base, collectors of the first and second NPN transistors are connected with a first relay cathode power input terminal, the other end of the second resistor is connected with a second electrolytic capacitor anode and one end of a fourth resistor, and the other end of the fourth resistor is connected with a third NPN transistor base, the emitter of the third NPN triode is connected with the base of the fourth NPN triode, the collectors of the third NPN triode and the fourth NPN triode are connected with the input end of the power supply of the negative electrode of the second relay, and the negative electrodes of the two electrolytic capacitors are connected with the emitters of the second NPN triode and the fourth NPN triode.

5. The data acquisition device of the intelligent electric meter according to claim 1, wherein the mobile phone remote control circuit module is further provided with a relay connected through circuit board wiring, and the first path control power supply output terminal, the negative power supply input terminal and the relay power supply input terminal of the mobile phone remote control circuit module are respectively connected.

6. The device of claim 1, wherein the voltage regulator module is an ac to dc switching power supply module.

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