CN110416893B - Intelligent shared power supply metering box based on ubiquitous power internet of things - Google Patents
Intelligent shared power supply metering box based on ubiquitous power internet of things Download PDFInfo
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- CN110416893B CN110416893B CN201910671227.1A CN201910671227A CN110416893B CN 110416893 B CN110416893 B CN 110416893B CN 201910671227 A CN201910671227 A CN 201910671227A CN 110416893 B CN110416893 B CN 110416893B
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- 238000004891 communication Methods 0.000 claims abstract description 34
- 238000010295 mobile communication Methods 0.000 claims abstract description 14
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- 239000003990 capacitor Substances 0.000 claims description 121
- 238000006243 chemical reaction Methods 0.000 claims description 100
- 230000005669 field effect Effects 0.000 claims description 31
- 230000005611 electricity Effects 0.000 claims description 16
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 7
- 229910052744 lithium Inorganic materials 0.000 claims description 7
- 230000001052 transient effect Effects 0.000 claims description 6
- 101000908580 Homo sapiens Spliceosome RNA helicase DDX39B Proteins 0.000 claims description 5
- 101100136062 Mycobacterium tuberculosis (strain ATCC 25618 / H37Rv) PE10 gene Proteins 0.000 claims description 3
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- 238000010248 power generation Methods 0.000 description 2
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- 101100136063 Mycobacterium tuberculosis (strain ATCC 25618 / H37Rv) PE11 gene Proteins 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/46—Boxes; Parts thereof or accessories therefor
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02B90/20—Smart grids as enabling technology in buildings sector
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
- Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
- Y04S40/128—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment involving the use of Internet protocol
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- Power Engineering (AREA)
- Direct Current Feeding And Distribution (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention discloses an intelligent shared power supply metering box based on ubiquitous power Internet of things, which comprises a main accessory metering box, a shared power supply terminal, a total idle switch, an electric energy meter, an intelligent circuit breaker, a program-controlled electronic lock, a user idle switch, a user socket, an emergency power-off button, a power utilization state indicator lamp, an access door monitoring, a metering box body, electric wires and accessories; the shared power supply terminal comprises an MCU processor, a power supply module, a storage module, an ESAM safety chip, a mobile communication module, an RS485 communication module, a real-time clock module, an infrared communication module, a positioning module, an intelligent circuit breaker control module, a program-controlled electronic lock control module and a debugging operation and maintenance module; the positioning module, the infrared communication module, the debugging operation and maintenance module, the storage module, the ESAM security chip, the mobile communication module, the RS485 communication module and the real-time clock module are all connected with the power supply module. Through the scheme, the invention has the advantages of simple structure, comprehensive detection, simple and convenient control and the like.
Description
Technical Field
The invention relates to the technical field of power supply equipment, in particular to an intelligent shared power supply metering box based on ubiquitous power internet of things.
Background
The ubiquitous electric power Internet of things disclosed by the invention connects power users and equipment thereof, power grid enterprises and equipment thereof, power generation enterprises and equipment thereof, suppliers and equipment thereof, and people and things to generate shared data, and serves the users, the power grid, the power generation, the suppliers and the government society; the power grid is used as a hub, the platform and sharing function are exerted, a larger opportunity is created for the development of the whole industry and more market main bodies, and value services are provided.
Along with the development of science and technology, "three agriculture" capital construction cover houses, village and town mart meetings, mobile vendors, emergency, irrigation and drainage, electric automobile charging and other temporary and short-time electricity utilization demands have been remarkably increased, but electric power users apply for the phenomenon that temporary electricity utilization data are complicated, electricity handling is continuous, handling time is long, even private pulling and charging are disordered, and larger potential safety hazards exist in the electricity utilization process, so that the image of an electric power enterprise is influenced.
Therefore, the invention aims at seasonal, temporary and public electricity utilization requirements generated by daily production and life of electric power users, gathers technologies such as ubiquitous electric power Internet of things, mobile communication, cloud platform, big data, internet+, embedded system, information safety and the like, is compatible with relevant standards and regulations of electric power industry, provides full-time ubiquitous Internet of things for electric power enterprises and equipment and users and equipment under the condition of safety of the electric power enterprises and user data and information, provides data and information of electric power resource sharing and deep fusion through internal and external application of electric power for the electric power users, and improves sharing and opening capacity.
Disclosure of Invention
Aiming at the problems, the invention aims to provide an intelligent shared power supply metering box based on ubiquitous power internet of things, which adopts the following technical scheme:
The intelligent shared power metering box based on the ubiquitous power Internet of things comprises a main accessory metering box 1, a cable 2, a communication antenna 3 and a mounting bracket 4, a main switch, an electric energy meter, an intelligent circuit breaker, a program-controlled electronic lock and a user switch which are respectively arranged in the main accessory metering box 1, and a shared power terminal which is arranged in the main accessory metering box 1 and is electrically connected with the main switch, the electric energy meter, the intelligent circuit breaker, the program-controlled electronic lock and the user switch respectively;
Compared with the prior art, the invention has the following beneficial effects:
(1) The invention smartly sets the shared power supply terminal in the main accessory metering box, is used for data acquisition and detection and is responsible for scheduling among various service functions and modules; under the condition of power grid enterprise and user data and information safety, a full-time ubiquitous Internet of things is provided for power grid enterprises and equipment, users and equipment, power resource sharing is provided for power users, data and information of internal and external applications of a power grid are deeply fused and communicated, and sharing and opening capacity is improved.
(2) The invention provides a power supply module which is used for switching power from a main air and supporting the input and output of power sources with various specifications, is responsible for providing stable power sources for the modules and components, and ensures the reliable power supply of each module.
(3) The invention skillfully sets the RS485 communication module to collect data of a plurality of electric energy meters, supports multi-epitope multi-channel electricity utilization detection, and ensures reliable supervision of user electricity utilization; meanwhile, the intelligent circuit breaker and the program-controlled electronic lock are detected to work through the detection control circuit, and the opening and closing actions of the intelligent circuit breaker and the program-controlled electronic lock are controlled.
(4) The smart mobile communication module is arranged to communicate with the power grid enterprise system through the mobile communication network in a mode including 4G, 3G, 2G, NB-IOT, WIFI, micropower wireless, bluetooth and the like, can receive data of the power grid enterprise system, and provides a wireless communication channel for remote upgrading, data uploading, data downloading and data interaction.
(5) The ESAM security chip is arranged and used for safely accessing the related system and equipment of the power intranet, and is mainly used for identity and authority authentication, so that the security authentication of communication with a power grid enterprise system, a field operation terminal and the like is ensured.
(6) According to the invention, the lithium battery is arranged in the power supply module, so that the 4G communication is kept to work for a long time under the condition of no commercial power, and the problem that the main switch incoming line cannot communicate with a power grid enterprise after no commercial power exists is thoroughly solved.
(7) The invention provides a clock basis for data model and edge calculation by setting the real-time clock RTC for time synchronization with the power grid enterprise system, the field operation terminal, the electric energy meter and the like, thereby ensuring time synchronization with the power grid enterprise system. In conclusion, the intelligent shared power metering box has the advantages of simple structure, comprehensive detection, simplicity and convenience in control and the like, fills the technical blank of no intelligent shared power metering box in the technical field of power supply equipment, and has high practical value and popularization value in the technical field of power supply equipment.
Drawings
For a clearer description of the technical solutions of the embodiments of the present invention, the drawings to be used in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present invention and should not be considered as limiting the scope of protection, and other related drawings may be obtained according to these drawings without the need of inventive effort for a person skilled in the art.
Fig. 1 is a perspective view of a primary accessory batch meter of the present invention.
Fig. 2 is a side view of the primary accessory batch meter of the present invention.
Fig. 3 is a schematic diagram of an ac-dc conversion circuit according to the present invention.
Fig. 4 is a schematic diagram of a first dc-dc conversion circuit according to the present invention.
Fig. 5 is a schematic diagram of a third dc conversion circuit according to the present invention.
Fig. 6 is a schematic diagram of a first intelligent breaker detection control circuit of the present invention.
Fig. 7 is a schematic diagram of a main box electrical path monitoring circuit according to the present invention.
Fig. 8 is a schematic diagram of a first RS485 communication circuit according to the invention.
Fig. 9 is a schematic diagram of a main accessory door monitoring circuit of the present invention.
Fig. 10 is a schematic diagram of a second intelligent breaker detection control circuit.
Fig. 11 is a schematic diagram of the electrical path monitoring circuit for the auxiliary box of the present invention.
Fig. 12 is a schematic diagram of a second RS485 communication circuit of the invention.
Fig. 13 is a schematic circuit diagram of an intelligent breaker detection acquisition port of the present invention.
Fig. 14 is a schematic diagram of a first acquisition port circuit of the present invention.
Fig. 15 is a schematic diagram of a subscriber switch monitor circuit according to the present invention.
Fig. 16 is a schematic diagram of a second acquisition port circuit of the present invention.
Fig. 17 is a schematic diagram of a transmission circuit of an earphone according to the present invention.
Fig. 18 is a schematic circuit diagram of an ESAM security chip of the present invention.
Fig. 19 is a schematic circuit diagram of an MCU processor according to the present invention.
FIG. 20 is a schematic diagram of a debug interface circuit of the present invention.
FIG. 21 is a schematic diagram of a system debug circuitry of the present invention.
Fig. 22 is a schematic diagram of a first memory of the present invention.
Fig. 23 is a schematic diagram of a second memory of the present invention.
Fig. 24 is a schematic diagram of a clock circuit of the present invention.
Fig. 25 is a schematic diagram of a light-emitting circuit of the present invention.
Fig. 26 is a schematic diagram of an RS485 communication power supply circuit of the invention.
FIG. 27 is a schematic diagram of the main accessory door, power channel, user switching power supply bias circuit of the present invention.
Fig. 28 is a schematic diagram of a detection control power supply circuit for an intelligent circuit breaker according to the present invention.
Fig. 29 is a schematic diagram of a second dc conversion circuit according to the present invention.
Fig. 30 is a schematic diagram of an infrared communication circuit of the present invention.
Fig. 31 is a schematic diagram of a fourth dc conversion circuit according to the present invention.
Fig. 32 is a schematic diagram of a fifth dc conversion circuit according to the present invention.
FIG. 33 is a schematic diagram of a PCI-E bus interface circuit of the present invention.
Fig. 34 is a schematic diagram of a SIM card circuit of the present invention.
Fig. 35 is a functional block diagram of the present invention.
FIG. 36 is a schematic diagram of a programmable electronic lock monitoring circuit of the present invention.
Fig. 37 is a schematic circuit diagram of the buzzer of the present invention.
In the above figures, the reference numerals correspond to the component names as follows:
1-main accessory batch meter, 2-cable, 3-communication antenna, 4-installing support.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the present application more apparent, the present application will be further described with reference to the accompanying drawings and examples, which include, but are not limited to, the following examples. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
Examples
As shown in fig. 1 to 37, the present embodiment provides an intelligent shared power metering box based on ubiquitous power internet of things. Including main annex batch meter 1, set up the master switch in main annex batch meter 1 respectively, the electric energy meter, intelligent circuit breaker, program control electronic lock, user's switch, user's socket, urgent outage button and power consumption status indicator lamp (small circle), access door monitoring (large circle), electric wire and accessory (current mature part, commercially available) set up in main annex batch meter 1, and respectively with master switch, the electric energy meter, intelligent circuit breaker, program control electronic lock and user's switch electrical connection's shared power supply terminal, set up at the top of main annex batch meter 1, and the communication antenna 3 of being connected with shared power supply terminal's mobile communication module, and set up at main annex batch meter 1 back, be used for installing fixed installing support 4. Wherein the incoming cable 2 enters from the side wall of the main accessory metering box 1. First, the terms "first" and "second" in this embodiment are used only to distinguish similar components, and are not to be construed as limiting the scope of protection. In addition, the present embodiment is based on the improvement of the structure, and the software program used by the embodiment is not improved, and those skilled in the art can implement the conventional program segment combination according to the descriptions in the present embodiment, so that the specific contents of the software program are not repeated here.
In this embodiment, the shared power supply terminal includes an MCU processor, a power supply module connected to the MCU processor and taking power from a line incoming end of the main switch, a storage module connected to the MCU processor for storing electric energy meter data information, system parameters, security and alarm events in blocks, an ESAM security chip connected to the MCU processor for accessing the identity and authority authentication of the electric power intranet system securely, a mobile communication module connected to the MCU processor for communication with the electric grid enterprise system, an RS485 communication module connected to the MCU processor and collecting electric energy meter data, a real-time clock module connected to the MCU processor for time synchronization with the electric grid enterprise system and the electric energy meter, an infrared communication module connected to the MCU processor for communication with a site operation terminal (existing mature part) of the construction site, a positioning module connected to the MCU processor for obtaining the real-time position of the main accessory batch tank 1, and a debug operation and maintenance module connected between the MCU processor and the debug machine by a serial port or a network port, wherein the intelligent breaker and the user switch are connected to the MCU processor through an input/output monitor circuit; the positioning module, the infrared communication module, the debugging operation and maintenance module, the storage module, the ESAM security chip, the mobile communication module, the RS485 communication module and the real-time clock module are all connected with the power supply module.
The specific structure and working principle of each module are described below in turn:
The power supply module of the implementation takes power (AC 220V) from the total air and converts the power into +12V, +5V, +3.5V and +3.3V respectively; specifically, the circuit comprises an AC/DC conversion chip M1, a variable resistor RV1, a capacitor C3, a capacitor C1 and a capacitor C2, wherein an ACL pin is connected with an incoming line end AC_L_IN of a main switch through a fuse F1, an ACN pin is connected with an incoming line end AC_N of the main switch, the model is FA15-220S12F12 or FA25-220S12H12, the variable resistor RV1 is connected between the ACN pin and the ACL pin of the AC/DC conversion chip M1, one end of the variable resistor RV is connected with a VO+ pin of the AC/DC conversion chip M1 after being connected IN parallel, the other end of the variable resistor C3, the capacitor C1 and the capacitor C2 are grounded, a diode D33, an IN pin of which is connected with an input anode of the diode D33, a first DC conversion chip U1 with the model of MP2315GJ, a capacitor C4, a capacitor C5 and a capacitor C6 are connected between the IN pin and the EN/SYNC pin of the first DC conversion chip U1 after being connected IN parallel, a capacitor C8 with one end connected with the VCC pin of the first DC conversion chip U1 and the other end grounded, a resistor R7 and a capacitor C15 with one end connected with the AAM pin of the first DC conversion chip U1 and the other end grounded, a capacitor C7 connected between the BS pin and the SW pin of the first DC conversion chip U1, an inductor L1, a resistor R4 and a resistor R5 connected between the SW pin and the FB pin of the first DC conversion chip U1 after being connected IN series, a capacitor C10 having one end connected between the inductor L1 and the resistor R4 and the other end connected between the resistor R4 and the resistor R5, a resistor R6 and a resistor R93 having one end connected between the resistor R4 and the resistor R5 and the other end grounded respectively, a capacitor C11 having one end connected between the inductor L1 and the resistor R4 and the other end grounded, a capacitor C12, a capacitor C13, a capacitor C14, a capacitor, A capacitor C92 and a capacitor C9, a VCC pin is connected between an inductor L1 and a resistor R4, a second DC conversion chip U4 with the model TP4054, a resistor R9 and a diode D3 which are connected between the VCC pin and the CHRG pin of the second DC conversion chip U4, a field effect tube Q17 with one end connected with the VCC pin of the second DC conversion chip U4 and the other end grounded, a resistor R12 with one end connected with the PROG pin of the second DC conversion chip U4 and the other end grounded, a resistor C18 with one end connected with the BAT pin of the second DC conversion chip U4 and the other end grounded, a lithium battery BAT1 with the positive electrode connected with the BAT pin of the second DC conversion chip U4 through a fuse F2 and the negative electrode grounded, a field effect tube Q17 with the drain connected with the BAT pin of the second DC conversion chip U4, a resistor R10 between the drain and the grid of the field effect tube Q17, a field effect transistor Q15 having a drain connected to the gate of the field effect transistor Q17 and a source grounded, a diode D30 having an input anode connected between the inductor L1 and the resistor R4 and an output cathode connected to the gate of the field effect transistor Q15, a resistor R102 having one end connected to the output cathode of the diode D30 and the other end grounded, a capacitor C83, a capacitor C91, a capacitor C80, a capacitor C86 and a capacitor C88, a diode D29 having an output cathode connected to the output cathode of the diode D30, a resistor R11 having one end connected to the source of the field effect transistor Q17, a resistor R84 having one end connected to the other end of the resistor R11 and the other end grounded, a diode D2 having an input anode connected to the source of the field effect transistor Q17, a diode D1 having an input anode connected to the VCC cathode of the second DC conversion chip U4 and an output cathode connected to the output cathode of the diode D2, a resistor R84 having a source connected to the input anode of the diode D2, the drain electrode is connected with the output cathode of the diode D2, the grid electrode is grounded through a resistor R142, a resistor R141 connected between the input anode of the diode D1 and the grid electrode of the field effect transistor Q21, a resistor R83, a capacitor C74 and a capacitor C75 which are connected in series and connected with the output cathode of the diode D1 at one end and grounded at the other end, a diode D26 connected with the two ends of the resistor R83 in parallel, a third direct current conversion chip U25 with a model DNP-XC6206P332MR, a capacitor C25 and a capacitor C26 which are connected between the VIN pin of the third direct current conversion chip U25 and the GND pin after being connected in parallel, a resistor R136 connected between the VIN pin of the third direct current conversion chip U25 and the OUT pin, a capacitor C27, a capacitor C28, a capacitor C66 and a diode D34 connected with the VIN pin and the output cathode of the diode D1 at the other end, a capacitor C220, a capacitor C21 and a capacitor C84 connected between the fourth direct current conversion chip C332 and the fourth direct current conversion chip C21 with the end after being connected in parallel and the parallel, and the fourth capacitor C84 is connected between the fourth direct current conversion chip C21 and the fourth capacitor C84; the IN pin is connected with the output cathode of the diode D1, and the model TPS7a7001DDAR of the fifth dc conversion chip U26, the capacitor C76, the capacitor C77 and the capacitor C78 which are connected IN parallel and connected with the IN pin of the fifth dc conversion chip U26 and the other end is grounded, the capacitor R98 which is connected between the IN pin and the EN pin of the fifth dc conversion chip U26, the triode Q16 with the collector connected with the EN pin of the fifth dc conversion chip U26 and the emitter grounded, the resistor R104 and the resistor R107 which are connected with the OUT pin of the fourth dc conversion chip U3 and connected with the other end and the base of the triode Q16, the resistor R99 and the capacitor C81 which are connected IN parallel and connected between the OUT pin and the FB pin of the fifth dc conversion chip U26 and the other end is grounded, the resistor R105 and the resistor R106 which are connected with the OUT pin of the fifth dc conversion chip U26 and the other end is grounded, and the capacitor C82 and the capacitor C85 which are connected IN parallel and the other end is grounded. The alternating current-direct current conversion chip M1 takes electricity from the main switch and converts the electricity into direct current 12V/15W, then the direct current 12V is converted into direct current 5.0V through the first direct current conversion chip U1, then the lithium battery BAT1 is charged through the second direct current conversion chip U4, and meanwhile, the direct current voltage required by conversion of the fourth direct current conversion chip U3, the fifth direct current conversion chip U26 and the third direct current conversion chip U25 is supplied; when the main switch is powered on, a second direct current conversion chip U4 is utilized to provide a direct current power supply, namely the grid electrode of a field effect tube Q15 is at a high level, the drain electrode and the source electrode of the field effect tube Q15 are conducted, the grid electrode of a field effect tube Q17 is at a low level, the drain electrode and the source electrode of the field effect tube Q17 are in a cut-off state, and a lithium battery BAT1 is charged through a BAT pin of the second direct current conversion chip U4; when the main switch is powered down, the output voltage of the first direct current conversion chip U1 is 0, namely the VCC pin of the second direct current conversion chip U4 is low, the source electrode and the drain electrode of the field effect transistor Q15 are in a cut-off state, the drain electrode and the source electrode of the field effect transistor Q17 are in a conduction state, and the lithium battery BAT1 is adopted to supply power at the moment, so that the 4G communication can be kept to work for a long time under the condition of no alternating current.
The embodiment is communicated with the power grid enterprise system through the mobile communication module, receives data of the power grid enterprise system, and provides a wireless communication channel for remote upgrading, data uploading and data downloading and data interaction. Specifically, the mobile communication module comprises a PCI-E bus interface, wherein a REFCLK-pin is connected with a serial port PD4 of the MCU processor through a resistor R112, a REFCLK+ pin is connected with a serial port PD3 of the MCU processor through a resistor R113, a Reserved1 pin is connected with a serial port PD5 of the MCU processor through a resistor R114, a Reserved2 pin is connected with a serial port PD6 of the MCU processor through a resistor R115, a PERST# pin is connected with a serial port PB5 of the MCU processor, one end of the PCI-E bus interface is respectively connected with a 3.3V port of the PCI-E bus interface and an OUT pin of a fifth direct current conversion chip U26 after being connected in parallel, and the other end of the PCI-E bus interface is grounded, namely a capacitor C51, a capacitor C52, a capacitor C53, a capacitor C54, a capacitor C55, a capacitor C56, a capacitor C57, a capacitor C58, a capacitor C59 and a capacitor C60, resistor R119 and light emitting diode D28 connected between the OUT pin of the fifth dc conversion chip U26 and the led_wwan# pin of the PCI-E bus interface, the I/O pin is connected to the uim_data pin of the PCI-E bus interface, the CLK pin is connected to the uim_clk pin of the PCI-E bus interface, the RST pin is connected to the uim_rest pin of the PCI-E bus interface, the VCC pin is connected to the uim_pwr pin of the PCI-E bus interface, the capacitor C64 connected to the I/O pin of the SIM card at one end and grounded at the other end, the capacitor C63 connected to the CLK pin of the SIM card at one end and grounded at the other end, the capacitor C62 connected to the RST pin of the SIM card at the other end, and the capacitor C61 connected to the VCC pin of the SIM card at the other end and grounded at the other end.
In this embodiment, in order to acquire electric energy meter data, a plurality of RS485 communication circuits connected in one-to-one correspondence with the electric energy meter are skillfully provided, wherein any one of the RS485 communication circuits comprises a data rate transceiver U12 with a model number of SP3485EN-L/TR, a resistor R52 connected between an a pin and a B pin of the data rate transceiver U12, a resistor R49 with one end connected to the a pin of the data rate transceiver U12 and the other end connected to an OUT pin of the third dc conversion chip U25, a diode D14 with one end connected to the a pin of the data rate transceiver U12 and the other end grounded, a diode D16 and a resistor R51 with one end connected to the B pin of the data rate transceiver U12 and the other end grounded, a photo-isolator U21 with a model number of EL357NC connected to a transmission control pin and a reception control pin of the data rate transceiver U12, a photo-isolator U17 with a model number of EL357NC, and a photo-isolator U19 connected to the data rate transceiver U12 and the photo-isolator U19 with the other end grounded; the photoelectric isolator U21, the photoelectric isolator U17 and the photoelectric isolator U19 are respectively connected with the MCU processor. The shared power supply terminal of the embodiment collects data of a plurality of electric energy meters through the RS485 communication module and supports multi-epitope multi-channel electricity utilization so as to comprehensively master electricity utilization conditions of users.
The shared power supply terminal monitors the intelligent circuit breakers through a bus, and a detection control circuit is arranged between any intelligent circuit breaker and the MCU processor; the detection control circuit comprises a triode Q2 with a base electrode connected with a serial port PB15 of the MCU processor through a resistor R26 and an emitter grounded, a relay K1 with a coil connected between a collector electrode of the triode Q2 and VO+ of an alternating current-direct current conversion chip M1 and an auxiliary contact connected with an action control end of the intelligent circuit breaker, a photoelectric isolator U9 with an output cathode grounded and a model EL357NC, a resistor R41 and a capacitor C42, wherein an input anode of the resistor K1 is connected with the intelligent circuit breaker through a resistor R35, a resistor R29, a resistor R30, a resistor R36 and a diode D11 which are connected in series in sequence, and the resistor R44 is connected between an input anode and an output cathode of the photoelectric isolator U9.
The real-time clock RTC of the shared power supply terminal is used for time synchronization with a power grid enterprise system, a field operation terminal, an electric energy meter and the like, provides clock basis for data model and edge calculation, and ensures time synchronization with the power grid enterprise system. The real-time clock module comprises a clock chip U6, a resistor R18, a resistor R19, a resistor R21 and a diode D2, wherein the SCL pin is connected with a serial port PC2 of the MCU processor, the SDA pin is connected with a serial port PC1 of the MCU processor, the INT pin is connected with a serial port PC3 of the MCU processor, the FOE pin and the VDD pin are connected with a serial port PA3 of the MCU processor through a resistor R23 and a resistor R111, the model is BL8025T, the resistor R18 is connected between the SCL pin of the clock chip U6 and the OUT pin of the fourth direct current conversion chip U3, the resistor R19 is connected between the SDA pin of the clock chip U6 and the OUT pin of the fourth direct current conversion chip U3, the resistor R21 is connected between the INT pin of the clock chip U6 and the OUT pin of the fourth direct current conversion chip U3, the diode D7 is connected between the resistor R111 and the OUT pin of the fourth direct current conversion chip U3, and the lithium battery BAT2 is grounded at the positive electrode.
In this embodiment, in order to remotely unlock the electronic lock, an input/output lock monitoring circuit is provided between the MCU processor and the program-controlled electronic lock, and includes a triode Q10 having a base connected to the serial port PE10 of the MCU processor via a resistor R59 and an emitter grounded, a resistor R66 having one end connected to the base of the triode Q10 and the other end grounded, a field-effect transistor Q7 having a gate connected to the collector of the triode Q10 via a resistor R67, a source grounded via a fuse F5 and a transient voltage suppressor D20 and having a drain connected to the vo+ pin of the ac/dc conversion chip M1, a resistor R68 connected between the vo+ pin of the ac/dc conversion chip M1 and the gate of the field-effect transistor Q7, a triode Q13 having a collector connected to the serial port PE11 of the MCU processor and an emitter grounded and a base connected to the program-controlled electronic lock via a resistor R77, a resistor R73 and a capacitor C49 having one end connected to the collector of the triode Q13 and the other end grounded, and a transient voltage suppressor D21 connected to the electronic lock, respectively; the programmable electronic lock connection is connected between the fuse F5 and the transient voltage suppressor D20. In this embodiment, when the MCU processor receives the program-controlled electronic lock on signal, the MCU processor issues a high level through the serial port PE10 to drive the program-controlled electronic lock to act, the program-controlled electronic lock uses the triode Q13 to feed back a status signal, i.e. the program-controlled electronic lock on status is a high level, the collector and emitter of the triode Q13 are driven to be turned on, and a low level is fed back to the MCU processor, and similarly, when the program-controlled electronic lock is turned off, it feeds back a high level to the MCU.
In the embodiment, a main switch, an electric energy meter, an intelligent circuit breaker, a program control electronic lock, a user switch and a user socket are all existing mature components, and are obtained through purchase; to meet the requirements of the device, the following requirements are met by the components: the total overhead supports the 4P overhead of three-phase four wires or the 2P overhead of single-phase zero-fire wire; the electric energy meter supports a general three-phase intelligent electric energy meter, a single-phase intelligent electric energy meter and the like; the intelligent circuit breaker supports 4P open of three-phase four-wire or 2P open of single-phase zero-live wire, and can control the switch-on and switch-off of the intelligent circuit breaker through an input/output circuit; the user overhead supports the 4P overhead of the three-phase four wires or the 2P overhead of the single-phase zero-line wire; the user socket supports a three-phase power special socket, a three-hole 220V socket, a two-hole 220V socket and a USB interface; the user is free and the user socket is an interface for providing electricity to the user. In addition, the shared power supply terminal of the embodiment can also monitor an access door, an electricity utilization channel, an emergency power failure key and an electricity utilization state indicator lamp, support the emergency power failure of a user by one key and prevent a two-dimensional code/bar code trap. Meanwhile, the storage module is used for storing data information of the electric energy meter, various system parameters, safety, alarm events and the like in a separated and blocked mode by storage devices such as a large-capacity flash storage device, a small-capacity eeprom storage device and the like. The large-capacity flash is mainly used for storing firmware, a data model and an edge calculation model program of an embedded software system and related application programs, electric energy meter data, electricity larceny analysis calculation result data, remote program upgrading and other functions, and the small-capacity eeprom is mainly used for storing temporary parameters, system parameters, configuration parameters and the like.
In summary, the invention fills the technical blank that the intelligent shared power supply metering box does not exist in the technical field of power supply equipment, and has particularly outstanding substantive characteristics and remarkable progress compared with the prior art, and has high practical value and popularization value in the technical field of power supply equipment.
The above embodiments are only preferred embodiments of the present invention and are not intended to limit the scope of the present invention, but all changes made by adopting the design principle of the present invention and performing non-creative work on the basis thereof shall fall within the scope of the present invention.
Claims (6)
1. The intelligent shared power supply metering box based on the ubiquitous power Internet of things is characterized by comprising a main accessory metering box (1), a main switch, an electric energy meter, an intelligent circuit breaker, a user switch, a program-controlled electronic lock and a shared power supply terminal, wherein the main switch, the electric energy meter, the intelligent circuit breaker, the user switch and the program-controlled electronic lock are respectively arranged in the main accessory metering box (1), and the shared power supply terminal is respectively electrically connected with the main switch, the electric energy meter, the intelligent circuit breaker, the program-controlled electronic lock and the user switch;
The shared power supply terminal comprises an MCU processor, a power supply module which is connected with the MCU processor and is used for taking electricity from an incoming line end of the main switch, a storage module which is connected with the MCU processor and is used for storing electric energy meter data information, system parameters and security and alarm events in a blocking mode, an ESAM security chip which is connected with the MCU processor and is used for authenticating identity and authority of a power intranet system, a mobile communication module which is connected with the MCU processor and is used for communicating with a power grid enterprise system, an RS485 communication module which is connected with the MCU processor and is used for collecting electric energy meter data, and a real-time clock module which is connected with the MCU processor and is used for carrying out time synchronization with the power grid enterprise system and the electric energy meter; the intelligent circuit breaker, the program-controlled electronic lock and the user switch are in communication connection with the MCU processor through the input/output circuit; the storage module, the ESAM safety chip, the mobile communication module, the RS485 communication module and the real-time clock module are all connected with the power supply module;
the shared power supply terminal also comprises an infrared communication module which is connected with the MCU processor and is used for communicating with a field operation terminal of a construction operation field, a positioning module which is connected with the MCU processor and is used for acquiring the real-time position of the main accessory metering box (1), and a debugging operation and maintenance module which is connected between the MCU processor and a debugging machine by adopting a serial port or a network port;
The power module comprises an AC-DC conversion chip M1 with the model of FA15-220S12F12 or FA25-220S12H12, a variable resistor RV1 connected between the ACN pin and the ACL pin of the AC-DC conversion chip M1, a capacitor C3, a capacitor C1 and a capacitor C2, wherein one end of the variable resistor RV1 is connected with the VO+ pin of the AC-DC conversion chip M1 after being connected IN parallel, the other end of the variable resistor C3 is grounded, the diode D33 is connected with the capacitor C1 and the capacitor C2, an input anode is connected with the VO+ pin of the AC-DC conversion chip M1, the IN pin is connected with the input anode of the diode D33, the first DC conversion chip U1 with the model of MP2315GJ is connected with the IN pin of the first DC conversion chip U1 after being connected IN parallel, the capacitor C4, the capacitor C5 and the capacitor C6 are grounded, a resistor R3 connected between the IN pin and the SYNC pin of the first DC conversion chip U1, a capacitor C8 with one end connected with the VCC pin of the first DC conversion chip U1 and the other end grounded, a resistor R7 and a capacitor C15 with one end connected with the AAM pin of the first DC conversion chip U1 and the other end grounded, a capacitor C7 connected between the BS pin and the SW pin of the first DC conversion chip U1, an inductor L1, a resistor R4 and a resistor R5 connected between the SW pin and the FB pin of the first DC conversion chip U1 after being connected IN series, a capacitor C10 having one end connected between the inductor L1 and the resistor R4 and the other end connected between the resistor R4 and the resistor R5, a resistor R6 and a resistor R93 having one end connected between the resistor R4 and the resistor R5 and the other end grounded respectively, a capacitor C11 having one end connected between the inductor L1 and the resistor R4 and the other end grounded, a capacitor C12, a capacitor C13, a capacitor C14, a capacitor, A capacitor C92 and a capacitor C9, a VCC pin is connected between an inductor L1 and a resistor R4, a second DC conversion chip U4 with the model TP4054, a resistor R9 and a diode D3 which are connected between the VCC pin and the CHRG pin of the second DC conversion chip U4, a field effect tube Q17 with one end connected with the VCC pin of the second DC conversion chip U4 and the other end grounded, a resistor R12 with one end connected with the PROG pin of the second DC conversion chip U4 and the other end grounded, a resistor C18 with one end connected with the BAT pin of the second DC conversion chip U4 and the other end grounded, a lithium battery BAT1 with the positive electrode connected with the BAT pin of the second DC conversion chip U4 through a fuse F2 and the negative electrode grounded, a field effect tube Q17 with the drain connected with the BAT pin of the second DC conversion chip U4, a resistor R10 between the drain and the grid of the field effect tube Q17, a field effect transistor Q15 having a drain connected to the gate of the field effect transistor Q17 and a source grounded, a diode D30 having an input anode connected between the inductor L1 and the resistor R4 and an output cathode connected to the gate of the field effect transistor Q15, a resistor R102 having one end connected to the output cathode of the diode D30 and the other end grounded, a capacitor C83, a capacitor C91, a capacitor C80, a capacitor C86 and a capacitor C88, a diode D29 having an output cathode connected to the output cathode of the diode D30, a resistor R11 having one end connected to the source of the field effect transistor Q17, a resistor R84 having one end connected to the other end of the resistor R11 and the other end grounded, a diode D2 having an input anode connected to the source of the field effect transistor Q17, a diode D1 having an input anode connected to the VCC cathode of the second DC conversion chip U4 and an output cathode connected to the output cathode of the diode D2, a resistor R84 having a source connected to the input anode of the diode D2, A field effect transistor Q21 having a drain connected to an output cathode of the diode D2 and a gate grounded via a resistor R142, a resistor R141 connected between an input anode of the diode D1 and the gate of the field effect transistor Q21, a resistor R83, a capacitor C74, and a capacitor C75 having one end connected to the output cathode of the diode D1 and the other end grounded after being connected in series, and a diode D26 connected in parallel to both ends of the resistor R83;
The power module further comprises a third direct current conversion chip U25, a capacitor C25 and a capacitor C20, wherein the third direct current conversion chip U25 is connected with an output cathode of the diode D1 and is in DNP-XC6206P332MR type, the capacitor C25 and the capacitor C26 are connected between the VIN pin and the GND pin of the third direct current conversion chip U25 after being connected in parallel, a resistor R136 is connected between the VIN pin and the OUT pin of the third direct current conversion chip U25, one end of the resistor R136 is connected with the OUT pin of the third direct current conversion chip U25 after being connected in parallel, the other end of the resistor C27, the capacitor C28, the capacitor C66 and the diode D34 are grounded, the VIN pin is connected with the output cathode of the diode D1, the capacitor C19 and the capacitor C20 are connected between the pin of the fourth direct current conversion chip U3 and the GND pin after being connected in parallel, and the capacitor C21, the capacitor C22, the capacitor C23, the capacitor C84 and the capacitor C90 are grounded at the other end of the resistor R.A capacitor C20; the IN pin is connected with the output cathode of the diode D1, the model TPS7a7001DDAR is a fifth dc conversion chip U26, one end of the fifth dc conversion chip U26 is connected IN parallel with the IN pin of the fifth dc conversion chip U26, the other end of the fifth dc conversion chip U26 is grounded with a capacitor C76, a capacitor C77 and a capacitor C78, a capacitor R98 connected between the IN pin and the EN pin of the fifth dc conversion chip U26, a triode Q16 with a collector connected with the EN pin of the fifth dc conversion chip U26 and a grounded emitter, a resistor R104 and a resistor R107 connected with the OUT pin of the fourth dc conversion chip U3 and the other end connected with the base of the triode Q16 are connected IN parallel with each other, a resistor R99 and a capacitor C81 connected between the OUT pin of the fifth dc conversion chip U26 and the FB pin are connected IN parallel with each other, a resistor R105 and a resistor R106 connected with the other end grounded, and a capacitor C82 and a capacitor C85 connected with the other end of the fifth dc conversion chip U26 are connected IN parallel with each other;
An input-output lock monitoring circuit is arranged between the MCU processor and the program-controlled electronic lock, and comprises a triode Q10, a resistor R66, a field effect transistor Q7, a resistor R74 and a transient voltage suppressor D21, wherein the base electrode of the triode Q10 is connected with a serial port PE10 of the MCU processor through a resistor R59, the emitter of the triode Q10 is grounded, one end of the resistor R66 is connected with the base electrode of the triode Q10, the other end of the resistor R66 is grounded, the grid electrode of the resistor R66 is connected with the collector electrode of the triode Q10 through a resistor R67, the source electrode of the field effect transistor Q7 is grounded through a fuse F5 and a transient voltage suppressor D20, the drain electrode of the field effect transistor Q7 is connected with a VO+ pin of the AC-DC conversion chip M1, a resistor R68 is connected between a VO+ pin of the AC-DC conversion chip M1 and the grid electrode of the field effect transistor Q7, the collector electrode of the triode Q13 is connected with the MCU processor through a resistor R77, a resistor R73 and a capacitor C49, one end of the resistor R80 is connected with the base electrode of the triode Q13, and the other end of the resistor R80 is grounded, and the resistor R74 and the resistor D21 is connected with the program-controlled electronic lock respectively; the programmable electronic lock connection is connected between the fuse F5 and the transient voltage suppressor D20.
2. The intelligent shared power metering box based on the ubiquitous power Internet of things according to claim 1, wherein the mobile communication module comprises a PCI-E bus interface, wherein a REFCLK-pin is connected with a serial port PD4 of an MCU processor through a resistor R112, a REFCLK+ pin is connected with a serial port PD3 of the MCU processor through a resistor R113, a Reserved1 pin is connected with a serial port PD5 of the MCU processor through a resistor R114, a Reserved2 pin is connected with a serial port PD6 of the MCU processor through a resistor R115, a PERST# pin is connected with a serial port PB5 of the MCU processor, one end of the PCI-E bus interface is respectively connected with a 3.3V port of the PCI-E bus interface and an OUT pin of a fifth DC conversion chip U26 after being connected in parallel, and the other end of the PCI-E bus interface is grounded, a capacitor C51, a capacitor C52, a capacitor C53, a capacitor C54, a capacitor C55, a capacitor C56, a capacitor C57, a capacitor C59 and a capacitor C60, resistor R119 and light emitting diode D28 connected between the OUT pin of the fifth dc conversion chip U26 and the led_wwan# pin of the PCI-E bus interface, the I/O pin is connected to the uim_data pin of the PCI-E bus interface, the CLK pin is connected to the uim_clk pin of the PCI-E bus interface, the RST pin is connected to the uim_rest pin of the PCI-E bus interface, the VCC pin is connected to the uim_pwr pin of the PCI-E bus interface, the capacitor C64 connected to the I/O pin of the SIM card at one end and grounded at the other end, the capacitor C63 connected to the CLK pin of the SIM card at one end and grounded at the other end, the capacitor C62 connected to the RST pin of the SIM card at the other end, and the capacitor C61 connected to the VCC pin of the SIM card at the other end and grounded at the other end.
3. The intelligent shared power metering box based on the ubiquitous power internet of things according to claim 1, wherein the RS485 communication module comprises a plurality of RS485 communication circuits which are identical in structure and are used for collecting electric energy meter data in a one-to-one correspondence manner; any RS485 communication circuit includes a data rate frequency transceiver U12 of the model SP3485EN-L/TR, a resistor R52 connected between the a pin and the B pin of the data rate frequency transceiver U12, a resistor R49 connected at one end to the a pin of the data rate frequency transceiver U12 and at the other end to the OUT pin of the third dc conversion chip U25, a diode D14 connected at one end to the a pin of the data rate frequency transceiver U12 and at the other end grounded, a diode D16 and a resistor R51 connected at one end to the B pin of the data rate frequency transceiver U12 and at the other end grounded, a photo-isolator U21 connected to the transmit pin of the data rate frequency transceiver U12 and of the model EL357NC, a photo-isolator U17 connected to the transmit control pin and the receive control pin of the data rate frequency transceiver U12 and of the model EL357NC, and a photo-isolator U19 connected to the receive pin of the data rate frequency transceiver U12 and of the model EL357 NC; the photoelectric isolator U21, the photoelectric isolator U17 and the photoelectric isolator U19 are respectively connected with the MCU processor.
4. The intelligent shared power supply metering box based on the ubiquitous power internet of things according to claim 1, wherein a detection control circuit is arranged between any intelligent circuit breaker and the MCU processor; the detection control circuit comprises a triode Q2 with a base electrode connected with a serial port PB15 of the MCU processor through a resistor R26 and an emitter grounded, a relay K1 with a coil connected between a collector electrode of the triode Q2 and VO+ of an alternating current-direct current conversion chip M1 and an auxiliary contact connected with an action control end of the intelligent circuit breaker, a photoelectric isolator U9 with an output cathode grounded and a model EL357NC, a resistor R41 and a capacitor C42, wherein an input anode of the resistor K1 is connected with the intelligent circuit breaker through a resistor R35, a resistor R29, a resistor R30, a resistor R36 and a diode D11 which are connected in series in sequence, and the resistor R44 is connected between an input anode and an output cathode of the photoelectric isolator U9.
5. The intelligent shared power metering box based on the ubiquitous power internet of things according to claim 1, wherein the real-time clock module comprises a clock chip U6, a resistor R18, a resistor R19, a resistor R21, a diode D7, and a battery, wherein the SCL pin is connected with a serial port PC2 of the MCU processor, the SDA pin is connected with a serial port PC1 of the MCU processor, the INT pin is connected with a serial port PC3 of the MCU processor, the FOE pin and the VDD pin are connected with a serial port PA3 of the MCU processor through a resistor R23 and a resistor R111, and the model number BL8025T, the resistor R18 is connected between the SCL pin of the clock chip U6 and the OUT pin of the fourth dc conversion chip U3, the resistor R19 is connected between the SDA pin of the clock chip U6 and the OUT pin of the fourth dc conversion chip U3, the resistor R21 is connected between the INT pin of the clock chip U6 and the OUT pin of the fourth dc conversion chip U3, and the diode D7 is connected between the positive electrode R111 and the resistor R23 and the negative electrode of the battery is grounded.
6. The intelligent shared power supply metering box based on the ubiquitous power internet of things according to any one of claims 1 to 5, further comprising a communication antenna (3) which is arranged at the top of the main accessory metering box (1) and is connected with a mobile communication module of a shared power supply terminal, and a mounting bracket (4) which is arranged at the back of the main accessory metering box (1) and is used for mounting and fixing.
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| CN111721987A (en) * | 2020-06-01 | 2020-09-29 | 王沛 | Electric power thing networking batch meter equipment based on thing allies oneself with perception technique |
| CN113129517A (en) * | 2021-04-21 | 2021-07-16 | 国网河北省电力有限公司正定县供电分公司 | Intelligent sharing power supply metering box |
| CN114167782A (en) * | 2021-12-06 | 2022-03-11 | 山东德源电力科技股份有限公司 | Internet of things lockset for electric energy meter metering box |
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