CN110308323A - A kind of electric energy metered system and method - Google Patents
A kind of electric energy metered system and method Download PDFInfo
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- CN110308323A CN110308323A CN201910596183.0A CN201910596183A CN110308323A CN 110308323 A CN110308323 A CN 110308323A CN 201910596183 A CN201910596183 A CN 201910596183A CN 110308323 A CN110308323 A CN 110308323A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R22/00—Arrangements for measuring time integral of electric power or current, e.g. electricity meters
- G01R22/06—Arrangements for measuring time integral of electric power or current, e.g. electricity meters by electronic methods
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Abstract
The invention discloses a kind of electric energy metered system and method, electric energy metered system includes server and multiple I type power measuring terminals and II type power measuring terminal；Module is connect with server communication by wireless communication for I type power measuring terminal and II type power measuring terminal.I type power measuring terminal is equipped with MCU, temperature sensor, humidity sensor and camera；II type power measuring terminal includes pedestal (1) and rectangular detection module (2)；Pedestal is equipped with the terminal of 2 outlets (13) of terminal and connection of 2 inlet wires (11) of connection, has a rectangular recessed portion on pedestal, is equipped with 4 undertaking columns (14) in recessed portion, detection module is inlaid in recessed portion；The bottom of detection module is equipped with 4 inserting columns (24) for docking with the undertaking column.The electric energy metered system is easy to implement, feature-rich.
Description
Technical field
The present invention relates to a kind of electric energy metered system and methods.
Background technique
Firstly, existing ammeter, function is relatively simple, general only to have the function of electrical energy measurement, therefore, it is necessary to existing
Increase certain function on some ammeters.
It in addition, existing ammeter is usually integral type, and is to be manufactured in together entire module with shell together, one
Denier breaks down, and entire ammeter requires integral replacing, this results in many part-wastes, moreover, repairing and replacing cumbersome, consumption
Duration；
Moreover, the registration of existing ammeter needs to visit completion in the operator of power administration or Utilities Electric Co., it is inconvenient,
And it is inefficient.
Therefore, it is necessary to design a kind of electric energy metered system and method.
Summary of the invention
Technical problem to be solved by the invention is to provide a kind of electric energy metered system and method, which is adopted
It is easy to implement with a variety of ammeter terminals, and by the server of the data summarization of acquisition.
The technical solution of invention is as follows:
A kind of electric energy metered system, including server and multiple I type power measuring terminals and II type power measuring terminal；I
Module is connect with server communication by wireless communication for type power measuring terminal and II type power measuring terminal；
(1) I type power measuring terminal is equipped with MCU, temperature sensor, humidity sensor and camera；I type electrical energy measurement
Display screen and key are additionally provided in terminal；Display screen (21), key (22), temperature sensor, humidity sensor and camera are equal
It is connected with MCU；I type power measuring terminal includes pedestal (1) and rectangular detection module (2), and detection module is inlaid on pedestal
Rectangular recessed portion in, detection module is electrically connected with pedestal by resilient contact；
(2) II type power measuring terminal includes pedestal (1) and rectangular detection module (2)；
Pedestal is equipped with the terminal of 2 outlets (13) of terminal and connection of 2 inlet wires (11) of connection, has one on pedestal
Rectangular recessed portion, recessed portion is interior to be equipped with 4 undertaking columns (14), and detection module is inlaid in recessed portion；The bottom of detection module
Inserting column (24) equipped with 4 for being docked with the undertaking column；Detection module is equipped with display screen (21) and key (22)；Inspection
It surveys and is equipped with MCU and communication module in module；Display screen, communication module, display screen and key are connected with MCU.Described is wireless
Communication module is WiFi communication module, 3G, 4G or 5G communication module.
In I type power measuring terminal, the opposite sides of detection module is additionally provided with side grooves (27)；Rectangular recessed portion
4 angles position is equipped with 4 magnetic parts (34), and power measuring terminal bottom also is provided with magnetic compatible with 4 magnetic parts
Property component.
In II type power measuring terminal, the lower end of inserting column is plug connector (25), and the lower end of plug connector is tip, plug connector
Middle section thickness be greater than plug connector lower end thickness, with the groove (26) of downwardly facing opening in plug connector；
Accepting column includes 2 bending parts (16), and one is equipped between bending part for accommodating the inner cavity of the plug connector
(17)；The middle part for accepting column includes 2 bending parts (16), and the top of bending part is valgus (15).
A semicircular side recess (12) is respectively provided at left and right sides of recessed portion.
Electric energy metered system further includes combined electrical energy monitor terminal；
Combined electrical energy monitor terminal includes pedestal (1), middleware (3) and rectangular detection module (2)；
Middleware is detection module wireless charging, and middleware and detection module wireless communication connect；
Pedestal is equipped with the terminal of 2 outlets (13) of terminal and connection of 2 inlet wires (11) of connection, has one on pedestal
Rectangular recessed portion；The bottom surface of recessed portion is equipped with 4 resilient contacts (33) and 4 magnetic parts (34), and magnetic part is magnet；
The bottom of middleware is equipped with 4 elasticity touchings being adapted to 4 resilient contacts (33) and 4 magnetic parts (34)
Point (33) and 4 magnetic parts (34)；Electric energy metering module is equipped in middleware, from MCU (31) and 2 relays (32)；In
Between be additionally provided with transmitting coil (36) in part；The upper surface of middleware is equipped with 4 magnetic parts；Transmitting coil, electric energy metering module
It is connected with from MCU with relay；The thickness of middleware is less than the depth of recessed portion；
The bottom of detection module is equipped with 4 magnetic parts being adapted to 4 magnetic parts of middleware upper surface；
The bottom of detection module is additionally provided with receiving coil (29)；
Main MCU (251), communication module (261) and lithium battery (28) are equipped in detection module；Communication module and lithium battery are equal
It is connected with main MCU；
Display screen (21) and key (22) are additionally provided on detection module；Display screen and key are connected with main MCU；Detect mould
The two sides of block are additionally provided with side grooves；
The top of middleware is equipped with circular recess (39), is equipped with handle (38) in circular recess.
A kind of electric energy gauging method, using electric energy metered system above-mentioned；
Multiple I type power measuring terminals, II type power measuring terminal and combined electrical energy monitor terminal are arranged in electricity consumption
The energy information of unit, I type power measuring terminal, II type power measuring terminal and the acquisition of combined electrical energy monitor terminal is transferred to
Server；
Monitor terminal passes through the day degree variation of the electricity consumption of each electricity unit of server monitoring and monthly variation；
Monitor terminal is the PC machine or smart phone for accessing server.
There is two dimensional code on I type power measuring terminal, II type power measuring terminal and combined electrical energy monitor terminal；
Scanning input two dimensional code is to obtain the port of access server to equipment (i.e. the I type power measuring terminal, II type
Power measuring terminal and combined electrical energy monitor terminal) carry out network registration, for registered equipment, scan again with
Access server checks real-time power information or electricity consumption statistical information.It can also further handle and the business such as pay the fees and report for repairment,
System can make house calls according to the nearest maintenance personnel of the location matches of ammeter, or ring back and answer a question.
The utility model has the advantages that
Electric energy metered system and method for the invention, has the following characteristics that
I type electric energy detection module and combined electrical energy monitor terminal have the following characteristics that
(1) it adopts a split structure, specifically, being easy to load and unload by pedestal and detection module, flexibility is good.
(2) realize that electrical connection, flexibility are good using resilient contact.
II type electric energy detection module has the following characteristics that
(1) it adopts a split structure, pedestal and detection module is separated, be easy to load and unload, flexibility is good.
(2) unique 4 inserting columns are used, are designed by groove and valgus etc., are connected more reliable, it is not easy to it loosens,
And it is easily inserted.
In addition, the electric energy meter with LoRa communication module, has the following characteristics that
(1) there is anti-theft circuit, once cover is destroyed, then automatic starting alarm, highly-safe.
(2) LoRa communication module, long transmission distance, convenient for the collection of ammeter information are used.
In addition, this system also has the following characteristics that
(1) 4 angles position of detection module is equipped with rounded corners, convenient for being embedded into recessed portion.
(2) have display for showing detection parameters and state parameter, there is communication module, for uploading the data to
Remote server.
(3) there is camera, be able to achieve Indoor Video function, there is Temperature Humidity Sensor, be able to achieve the temperature of site environment
Humidity control, using ammeter as an internet-of-things terminal, so as to play more potentiality.
In conclusion this electric energy metered system is compact-sized, and it is flexible and convenient to use, it is feature-rich.
Detailed description of the invention:
Fig. 1 is the general structure schematic diagram of I type electric energy metered system；
Fig. 2 is resilient contact and magnetic part distribution schematic diagram；
Fig. 3 is the top view of I type electric energy metered system；
Fig. 4 is the general structure schematic diagram of power measuring terminal；
Fig. 5 is schematic diagram of base structure；
Fig. 6 is the bottom surface structure schematic diagram of detection module；
Fig. 7 docks schematic diagram with column is accepted for inserting column；
Fig. 8 is the electric functional block diagram of power measuring terminal；
Fig. 9 is the general structure schematic diagram of combined electrical energy monitor terminal；
Figure 10 is the structural schematic diagram of middleware bottom；
Figure 11 is the structural schematic diagram at the top of middleware；
Figure 12 is the electric functional block diagram of combined electrical energy monitor terminal；
Figure 13 is the general structure schematic diagram of the nodal information acquisition terminal for power grid；
Figure 14 is the general structure schematic diagram of the status detection terminal of power switch；
Figure 15 is optoelectronic switch schematic diagram.
Figure 16 is the front-end architecture schematic diagram of micro- station power supply (when being not inserted into single battery)；
Figure 17 is the front-end architecture schematic diagram of micro- station power supply (when insertion single battery)；
Figure 18 is the front-end architecture schematic diagram of single battery；
Figure 19 is the side structure schematic diagram of single battery；
Figure 20 is the side structure schematic diagram (cross-sectional view) of single battery；
Figure 21 is light adjusting circuit schematic diagram；
Figure 22 is constant-current charging circuit schematic diagram；
Figure 23 is current foldback circuit schematic diagram；
Figure 24 is overall electric functional block diagram；
Figure 25 is the general frame of system；
Figure 26 is the circuit diagram of anti-theft circuit；
Figure 27 is the contact distribution schematic diagram in back box；
Figure 28 is the contact distribution schematic diagram of cover bottom.
Label declaration: 1- pedestal, 2- detection module；
11- inlet wire, 12- lateral recess, 13- outlet, 14- accept column；15- valgus, 16- bending part, the inner cavity 17-；
21- display screen, 22- key, 23- two dimensional code, 24- inserting column；25- plug connector, 26- groove, 27- side grooves；
28- lithium battery；29- receiving coil；288- cover contact, 299- back box, 30- cover, 311- back box contact；
The main MCU of 251-, 261- communication module,
31- is from MCU, 32- relay, 33- resilient contact, 34- magnetic part, 35- metering chip, 36- transmitting coil,
38- handle, 39- circular recess.
101- power socket, 102- bayonet, 103- movable contact, 104- spring, 105- single battery；106- key, 107- are aobvious
Display screen, 108- two dimensional code, 109- handle；110- plug, 111- stationary contact, 112- pressure head, 113- sleeve, 114- compression bar.
The upper leading-out terminal of 201-, 202- vacuum interrupter, 203- conductive clip, 204- lower wire end；205- connecting rod, 206- turn
Axis, 207- code-disc, 208- lever, 209- insulator, 210- pull rod, 211- main shaft, 212- mechanism case.
301- electromagnet, 302- spring, 303- armature, 304- optoelectronic switch, 305- baffle, 306- moving contact, 307- are dynamic
Contact, 308- stationary contact, 309- temperature sensor, 310- infrared transmitting tube, 311- infrared receiving tube.
Specific embodiment
The present invention is described in further details below with reference to the drawings and specific embodiments:
Embodiment 1: such as Figure 25, a kind of electric energy metered system, including server and multiple I type power measuring terminals and II type
It further includes combined electrical energy monitor terminal that power measuring terminal, which further includes electric energy metered system,；
Module is connect with server communication by wireless communication for I type power measuring terminal and II type power measuring terminal；
(1) such as Fig. 1-3, I type power measuring terminal is equipped with MCU, temperature sensor, humidity sensor and camera；I type
Display screen and key are additionally provided on power measuring terminal；Display screen 21, key 22, temperature sensor, humidity sensor and camera shooting
Head is connected with MCU；Power measuring terminal includes pedestal 1 and rectangular detection module 2, and detection module is inlaid in the side on pedestal
In the recessed portion of shape, detection module is electrically connected with pedestal by resilient contact.The wireless communication module is WiFi communication mould
Block, 3G, 4G or 5G communication module.The opposite sides of detection module is additionally provided with side grooves 27.4 angles position of rectangular recessed portion
Equipped with 4 magnetic parts 34, power measuring terminal bottom also is provided with magnetic part compatible with 4 magnetic parts.2 groups
Magnetic part adsorbs mutually, realizes the reliable docking that detection module passes through resilient contact for pedestal.Temperature sensor and wet
Degree sensor is installed in the upper surface of the detection module of power measuring terminal.Locating module is additionally provided in detection module；Positioning
Module is GPS module or Beidou module.4 angles position of detection module is equipped with rounded corners, convenient for being embedded into recessed portion.Battery
Effect be have a power failure when detection module can also work, can also issue information to server.The upper surface of detection module or following table
Face or side are equipped with two dimensional code, include ID number and sequence number etc. in two dimensional code, to the detection mould after being used to scan using mobile phone
Block is registered and is networked.Key is used to control the page turning of display screen, and the function such as reset for entire module and switching on and shutting down
Energy.
(2) such as Fig. 4-8, II type power measuring terminal, including pedestal 1 and rectangular detection module 2；
Pedestal is equipped with the terminal of 2 inlet wires 11 of connection and connects the terminal of 2 outlets 13, rectangular with one on pedestal
Recessed portion, 4 undertaking columns 14 are equipped in recessed portion, detection module is inlaid in recessed portion；The bottom of detection module is equipped with 4
Inserting column 24 for being docked with the undertaking column；Detection module is equipped with display screen 21 and key 22；It is equipped in detection module
MCU and communication module；Display screen, communication module, display screen and key are connected with MCU.4 inserting columns are accepted with 4 respectively
Column connection, 2 undertaking columns are respectively used to 2 inlet wires of connection, and 2 undertaking columns are respectively used to 2 outlets of connection, using 4 grafting
Column connects more reliable, it is not easy to loosen.The lower end of inserting column is plug connector 25, and the lower end of plug connector is tip, in plug connector
The thickness of section is greater than the thickness of the lower end of plug connector, the groove 26 with downwardly facing opening in plug connector；Accepting column includes 2 bendings
Portion 16 is equipped with one between bending part for accommodating the inner cavity 17 of the plug connector；The middle part for accepting column includes 2 bending parts
16, the top of bending part is valgus 15.Plug connector in this way has certain elasticity, when insertion, under the extruding for accepting column, and grafting
Part is an elastic slice on the whole, this is conducive to more reliable docking, and terminal is avoided to take off mouth and poor contact.Valgus is convenient for slotting
Fitting is inserted into inner cavity.A semicircular side recess 12 is respectively provided at left and right sides of recessed portion.Convenient for protruding into finger, with
Just detection module is plucked out, is also convenient for will test Module-embedding recessed portion.4 angles position of detection module is equipped with rounded corners, is convenient for
It is embedded into recessed portion.
Transformer, current transformer, first voltage detection circuit, second voltage detection electricity are equipped with such as Fig. 8, in detection module
Road, the first rectifier and the second rectifier；The primary side of transformer is connect through the first reorganizer with MCU；First voltage detection circuit
(such as bleeder circuit) connects the output end of the first rectifier, the first ADC interface of the output termination MCU of first voltage detection circuit；
Current transformer, the second rectifier, second voltage detection circuit are sequentially connected, and the output of second voltage detection circuit terminates MCU
The second ADC interface；The outlet side of first rectifier is battery (lithium battery) charging, and battery is MCU power supply；Key, display screen
It is connected with MCU with communication module.First voltage detection circuit is used for detectable voltage signals, and second voltage detection circuit is for examining
Current signal is surveyed, voltage and current multiplication integrates again in MCU, to realize electrical energy measurement, electrical energy measurement is existing mature skill
Art.The wireless communication module is WiFi communication module, 3G, 4G or 5G communication module.
(3) such as Fig. 9-12, combined electrical energy monitor terminal, including pedestal 1, middleware 3 and rectangular detection module 2；In
Between part be detection module wireless charging, and middleware and detection module wireless communication connect；Pedestal is equipped with 2 inlet wires 11 of connection
2 outlets 13 of terminal and connection terminal, there is on pedestal a rectangular recessed portion；The bottom surface of recessed portion is equipped with 4 bullets
Property contact 33 and 4 magnetic part 34, magnetic part is magnet；The bottom of middleware is equipped with and 4 resilient contacts 33 and 4
4 resilient contact 33 and 4 magnetic parts 34 that a magnetic part 34 is adapted to；Be equipped in middleware electric energy metering module, from
MCU31 and 2 relay 32；By 2 relays it is responsible for controlling between 2 inlet wires and 2 outlets open or closed.In middleware
It is additionally provided with transmitting coil 36；The upper surface of middleware is equipped with 4 magnetic parts；Transmitting coil, electric energy metering module and relay
It is connected with from MCU；Metering module includes transformer and metering chip, and metering module is existing maturation for measuring electrical power
Technology.The thickness of middleware is less than the depth of recessed portion；The bottom of detection module is equipped with 4 magnetic portions with middleware upper surface
4 magnetic parts of part adaptation；The bottom of detection module is additionally provided with receiving coil 29；Transmitting coil and receiving coil are constantly used for
Electric energy is transmitted, is charged for battery, but also be used for transmission signal, such as voltage value, current value, real-time power consumption value, main MCU receipts
It is transferred on server to after these signals, then through wireless transport module (such as 3G, 4G and 5G module)；
Main MCU251, communication module 261 and lithium battery 28 are equipped in detection module；Communication module and lithium battery with master
MCU is connected；Display screen 21 and key 22 are additionally provided on detection module；Display screen and key are connected with main MCU.Detection module
Two sides are additionally provided with side grooves；Convenient for extracting detection module.
The top of middleware is equipped with circular recess 39, is equipped with handle 38 in circular recess.Positioning is additionally provided in detection module
Module；Locating module is GPS module or Beidou module.4 angles position of detection module is equipped with rounded corners, convenient for being embedded into recess
In portion.The effect of battery is that detection module can also work when having a power failure, and can also issue information to server.The upper table of detection module
Face or lower surface or side are equipped with two dimensional code, include ID number and sequence number etc. in two dimensional code, for using right after mobile phone scanning
The detection module is registered and is networked.
Such as Fig. 5, the secondary of transformer connects the rectifier of bridge-type, and it is from MCU, electric energy metering module that rectifier, which exports direct current,
And relay power supply；The outlet side of transformer is also transmitting coil power supply；From MCU also by the data of acquisition (electric current, voltage and
Energy data etc.) it is loaded on carrier wave together and has transmitting coil sending；After receiving coil receives electric energy, is converted to direct current and passes through
Charging circuit is battery power supply, while having main MCU to parse data, and show on a display screen, and passes through communication module (tool
Body is wireless communication module) it is sent to server.It is implemented as existing mature technology.Key is for controlling turning over for display screen
Page, and the functions such as reset for entire module and switching on and shutting down.To sum up, pedestal passes through wired connection for middleware,
Middleware and detection module pass through wireless connection.
(4) further, system further includes the electric energy meter for just having LoRa communication module；
Such as Figure 26-28, a kind of electric energy meter with LoRa communication module, including detection module 2 are equipped in detection module
MCU and LoRa communication module；LoRa communication module is connected with MCU；Detection module is rectangular box body；Detection module includes back box
299 and cover 30；4 angles position of back box upper surface is respectively provided with 1 back box contact 311, and 4 angles position in the lower surface of cover is right
4 cover contacts 288 should be equipped with；
After cover lid closes in back box, be connected between back box contact and cover contact by conductive sponge, 4 cover contacts with
4 back box contacts are correspondingly formed 4 detection switch S1~S4；Cover is connect by screw with back box；4 cover contacts connect
Ground, 4 back box contacts pass through resistance R11, R22, R33 and R44 respectively and meet Vcc；Vcc is generally 5V, R11, R22, R33 and R44
It is 1000 ohm；4 back box contacts also meet 4 I/O interfaces P01, P02, P03 and P04 of MCU respectively；4 back box contacts are also
4 input terminals of four input terminals or door are connect respectively, and the output of four input terminals or door terminates an I/O port P05 of MCU.MCU connects
It is connected to metering chip, is used for electrical energy measurement, the specially prior art.4 angles position of detection module is equipped with rounded corners.Detect mould
Block is equipped with display screen 21 and key 22.For detection module installation by adhering on pedestal 1, MCU is also connected with 3G, 4G or 5G communication
Module.
Working principle explanation:
Referring to Fig. 8, under normal circumstances, switch S1-S4 is closed loop, and therefore, P01-P04 is ground connection, i.e. low level；Or door
Export low level；Once cover is considered damaged or loosens, then at least one switch will disconnect, since R11-R44 is pull-up
Resistance, a high level is certainly existed between P01-P04, and MCU inquires the state of P01-P04, that is, may know which or which
A switch is disconnected；Meanwhile or door export high level, MCU starting alarm.
In addition, a kind of electric energy gauging method, using electric energy metered system above-mentioned；
Multiple I type power measuring terminals, II type power measuring terminal and combined electrical energy monitor terminal are arranged in electricity consumption
The energy information of unit, I type power measuring terminal, II type power measuring terminal and the acquisition of combined electrical energy monitor terminal is transferred to
Server；Monitor terminal passes through the day degree variation of the electricity consumption of each electricity unit of server monitoring and monthly variation；Monitor terminal
For the PC machine or smart phone for accessing server.I type power measuring terminal, II type power measuring terminal and combined type power energy monitoring and controlling
There is two dimensional code in terminal；Scanning input two dimensional code is to obtain the port of access server to equipment (the i.e. I type electrical energy measurement
Terminal, II type power measuring terminal and combined electrical energy monitor terminal) network registration is carried out, for registered equipment,
It is scanned again to access server and check real-time power information or electricity consumption statistical information.Payment and report can also further be handled
The business such as repair, system can make house calls according to the nearest maintenance personnel of the location matches of ammeter, or ring back and answer a question.
In addition, this system further includes micro- station power supply, the status monitoring terminal of power switch and the nodal information based on power grid
Acquisition terminal；Micro- station power supply, the status monitoring terminal of power switch and nodal information acquisition terminal based on power grid with service
Device is connected；Now it is described below respectively:
(5) micro- station power supply
Such as Figure 16-20, a kind of micro- station power supply, including battery holder 101 and multiple single batteries 105；It is equipped in battery holder more
A opening for inserting single battery slot facing forward；It is equipped with bayonet 102, spring 115 at the backboard of each slot and moves
Contact 103；The rear end of spring is fixed on backboard, and the front end of spring is connected with movable contact；The rear end of single battery is equipped with and institute
State the plug with hangnail of bayonet adaptation；The rear end of single battery is additionally provided with 2 stationary contacts being adapted to the movable contact 111；
When single battery is to the bosom of card slot, the hangnail on plug blocks the outer edge of bayonet, realizes single battery and battery holder
Clamping lock；And 2 stationary contacts are corresponding with 2 movable contacts connects, and realize being electrically connected for single battery and battery holder.After the backboard
Side is additionally provided with unlocking structure, and unlocking mechanism is located at the top of bayonet；Unlocking structure include the sleeve 113 being mounted on backboard and to
The upper end of compression bar 114 of the lower socket in sleeve, compression bar is equipped with pressure head 112.The front end of single battery is equipped with handle 109.Monomer
The front end of battery is equipped with display screen 107 and key 106.The front end of single battery is pasted with two dimensional code 108.Include in two dimensional code
Information includes battery relevant information, such as sequence number, capacity, date of manufacture etc..Each movable contact is connected to form DC bus.
Micro- station power supply, has the following characteristics that
(51) using back-off and spring, convenient for being reliably connected between single battery and power socket.
(52) unlocking mechanism based on pressure head, sleeve and compression bar is used, convenient for the tripping between single battery and power socket,
It is easy to use.
(53) front panel of single battery is equipped with handle, takes out single battery convenient for user；
(54) front end of single battery is equipped with display screen and key, convenient for reading parameter；With display for showing inspection
It surveys parameter and state parameter, intuitive is good.
(55) status signal and location information are transferred to by remote server or remote monitoring terminal, nothing using communication module
It need to arrange Wireline, it is easy to implement.
(56) it is equipped with the temperature that temperature sensor is used to detect lithium battery inside battery cell, realizes temperature alarm, because
And the entire reliability for switching detection further increases.MCU is also further connected with alarm, and temperature value is more than preset value, then
Start alarm, and alarm signal is sent to remote terminal.
(6) the status monitoring terminal of power switch
Such as Figure 14 and 15, a kind of status detection terminal of power switch, power switch includes being arranged in the intracorporal electromagnetism of shell
Iron 301, spring 302, armature 303 and moving contact 306；Armature is located at the top of electromagnet, and moving contact is fixed on armature；Shell
Interior to be equipped with stationary contact 308, moving contact is equipped with the movable contact 307 being adapted to the stationary contact；Spring is arranged in armature and shell
Between, spring is resetted for armature；Status detection terminal further includes detection module, and detection module includes MCU and optoelectronic switch 304
With baffle 305, MCU and optoelectronic switch are arranged in shell；The side of moving contact is arranged in baffle；Optoelectronic switch includes opposite
The infrared transmitting tube 310 and infrared receiving tube 311 of setting；Infrared transmitting tube and infrared receiving tube are connected with MCU；Stationary contact with
Movable contact not in contact with when, baffle does not block the optical path between infrared transmitting tube and infrared receiving tube, and stationary contact moves down and movable contact
After contact, baffle blocks the optical path between infrared transmitting tube and infrared receiving tube；MCU is also connected with power supply and radio communication mold
Block.Temperature sensor is additionally provided in shell, temperature sensor is connected by amplifier with the port ADC of MCU.MCU is also connected with
Display screen.MCU is also connected with locating module, and locating module is Beidou module or GPS module.Wireless communication module is Lora communication
Module, GPRS module, 3G, 4G or 5G communication module.Solar panel is additionally provided on power switch, solar panel passes through
Charging circuit is lithium battery charging, ensures the continuous service of detection module.The confession for powering for electromagnet is additionally provided in shell
Electric module.Optoelectronic switch outputs level signals are existing mature technology to the I/O port of MCU.
The status detection terminal of power switch, has the following characteristics that
(1) state of optoelectronic switch detection power switch is increased, the reliability of detection is largely increased.(2) it uses
Solar energy and lithium battery power supply, cruise duration is secure, and without especially configuring other power supplys；(3) use communication module by shape
State signal and location information are transferred to remote server or remote monitoring terminal, easy to implement without arranging Wireline.(4)
With display for showing that detection parameters and state parameter, intuitive are good.(5) temperature of temperature sensor detection switch is used
Degree, realizes temperature alarm, thus, the reliability of entire switch detection further increases.MCU is also further connected with alarm
Device, temperature value are more than preset value, then start alarm, and alarm signal is sent to remote terminal.
(7) the nodal information acquisition terminal based on power grid
Such as Figure 13, acquisition module is arranged in a kind of nodal information acquisition terminal for power grid on power circuit breaker；It is described
Power circuit breaker include mechanism case 212, insulator 209, upper leading-out terminal 201, lower wire end 204, vacuum interrupter 202, lead
Electricity folder 203 and conductive clip driving mechanism；Insulator is 2, and upper leading-out terminal and lower wire end respectively pass through an insulator and mechanism
Case is connected；The vacuum interrupter is equipped between upper leading-out terminal and lower wire end；Conductive clip is for realizing upper leading-out terminal under
Leading-out terminal is turned on or off；Conductive clip driving mechanism is used to drive the movement of conductive clip；Conductive clip driving mechanism includes main shaft
211, pull rod 210, lever 208 and shaft 206；Main shaft, connecting rod, lever and conductive clip are successively sequentially connected；Main shaft is arranged in machine
On structure case, lever is arranged on lower terminals by shaft；The acquisition module includes MCU and motion detection unit；Movement
Detection unit is connected with MCU.Main shaft has manual or alternating current or DC powered, and for existing mature technology, such as Fig. 1, main shaft is suitable
Hour hands rotation drives lever to rotate clockwise by pull rod, so that finally conductive clip is driven straight down, to realize breaker
It disconnects, when main shaft is not by external force, under the action of elastic mechanism (such as spring), reset of breaker is connected.It is set at conductive clip
There is the guide groove of vertical direction, is convenient for conductive clip elevating movement.The motion detection unit is code-disc 207, when shaft rotates, code
Disk exports pulse to MCU.The motion detection unit further includes angular transducer, and angular transducer exports analog signal or number
Word signal is to MCU.Angular transducer uses gyroscope.MCU uses lithium battery power supply, and MCU is also connected with locating module and communication
Module.Locating module is GPS module or Beidou module, and communication module is can bus module or 3G, 4G or 5G communication module, is broken
Solar panel is additionally provided on the device of road, solar panel is lithium battery charging by charging circuit, ensures detection module
Continuous service.
For the nodal information acquisition terminal of power grid, have the following characteristics that
Code-disc and angular transducer are provided commonly for the movement of detection breaker, high reliablity.Using solar energy and lithium electricity
Pond power supply, cruise duration is secure, and without especially configuring other power supplys；Using communication module by status signal and location information
It is transferred to remote server or remote monitoring terminal, it is easy to implement without arranging Wireline.With display for showing inspection
It surveys parameter and state parameter, intuitive is good.
In addition, other circuits and module for being related to electric energy metered system and method are described below:
(1), such as Figure 21, the electric energy metered system and method further include for adjusting the brightness for occupying display screen light emission luminance
Adjust circuit；The brightness regulating circuit includes MCU, LED light string, triode, potentiometer Rx and A/D converter；Triode
For NPN type triode；The fixed frame Shanghai of display screen is equipped with rotary switch and is coaxially connected with potentiometer Rx；
Potentiometer Rx and first resistor R1 concatenates to form partial pressure branch, and partial pressure branch one terminates positive pole Vcc, partial pressure branch
The other end on road is grounded；The tie point of potentiometer Rx and first resistor R1 connect the input terminal of A/D converter；A/D converter it is defeated
The data-in port of MCU is terminated out；
LED light string includes the LED light of multiple concatenations；The anode of LED light string meets positive pole Vcc；The cathode of LED light string connects
The pole E of the pole C of triode, triode is grounded through second resistance R2；The output end for meeting MCU of the pole B of triode.Positive pole
Vcc is 5V, and A/D converter is 8 Bits Serial output type converters.
(2) such as Figure 22, the constant-current charging circuit for lithium battery charging includes constant pressure driving chip and current feedback circuit；
(1) voltage output end of constant pressure driving chip is the positive output end VOUT+ of constant-current charging circuit；Constant pressure driving chip
Negative output terminal ground connection；Constant pressure driving chip is powered by DC-voltage supply end VIN+ and VIN-；
(2) current feedback circuit described in includes resistance R1, R2 and R5 and reference voltage end VREF+；Reference voltage end
VREF+ passes through resistance R1, R2 and R5 ground connection being sequentially connected in series；The tie point of resistance R5 and R2 are the negative output of constant-current charging circuit
Hold VOUT-；The tie point of resistance R1 and R2 meet the feedback end FB of constant pressure driving chip.Constant-current charging circuit further includes Voltage Feedback
Circuit；Voltage feedback circuit includes resistance R3 and R4 and diode D1；Resistance R3 and R4 series connection are followed by constant-current charging circuit
Positive output end VOUT+ and ground between；The tie point of resistance R3 and R4 connect the anode of diode D1；The cathode of diode D1 connects perseverance
Press the feedback end FB of driving chip.
(3), such as Figure 23-24, electric energy meter (power measuring terminal etc.) further includes current detecting and control relay circuit
(also referred to as over-current detection and protection circuit) is described as follows: working principle: for detecting current transformer (or the line of electric current
Circle) mutual inducing current is generated, live electric power is bigger, and mutual inducing current is also bigger, and live electric power is smaller, mutual inducing current
With regard to smaller, therefore voltage comparator is utilized, a signal waveform can be exported, master controller (MCU) passes through included AD acquisition
The size of current information at scene just can be obtained, to reach detection effect.It, will by four rectifier diodes in circuit design
AC mutual induction electric current is converted into DC current, output signal then there are two types of, one kind is analog quantity, is exported, is output to by VOUT
MCU；It is TTL low and high level there are also one kind, directly controls relay for being switched off and on the power supply of main power source.
Circuit description:
The output signal of current transformer obtains Vin through bridge rectifier；Comparator compares Vin and reference voltage Vref,
If Vin > Vref, comparator exports low level, and control relay disconnects.In addition, Vin is amplified into MCU's through amplifier
The port ADC (i.e. with the port of A/D conversion function)；Since signal may be more faint, devise adjustable amplification factor
Amplifier；Physical circuit connection and working principle are as follows: the output end Vin of bridge rectifier (single-phase rectification bridge) is signal
End, the inverting input terminal that meets operational amplifier LM393 of the signal end through resistance R0, operational amplifier LM393's is in the same direction
Input terminal is grounded through resistance R0, and the noninverting input of operational amplifier LM393 also connects 4 through 4 resistance R01-R04 respectively and selects
Select 4 input channels of device, 4 select the output channel of a selector to meet the output end vo ut of operational amplifier LM393, and Vout connects
The end ADC of MCU；In addition 2 output ports of MCU connect 4 respectively the channel of a selector are selected to select end A and B；The meter of Vout and Vin
Calculate formula: Vout=Vin* (Rx+R0)/R0；Wherein, Rx=R01, R02, R03 or R04；Selection is determined based on gated end AB
Which resistance；And R01, R02, R03 and R04 are different；Preferred R04=5*R03=25*R02=100*R01；R01=
5*R0. realizes range and precision switching in which can be convenient.
Claims (8)
1. a kind of electric energy metered system, which is characterized in that including server and multiple I type power measuring terminals and II type electric energy meter
Measure terminal；
Module is connect with server communication by wireless communication for I type power measuring terminal and II type power measuring terminal；
(1) I type power measuring terminal is equipped with MCU, temperature sensor, humidity sensor and camera；
Display screen and key are additionally provided on I type power measuring terminal；
Display screen (21), key (22), temperature sensor, humidity sensor and camera are connected with MCU；
I type power measuring terminal includes pedestal (1) and rectangular detection module (2), and detection module is inlaid in rectangular on pedestal
Recessed portion in, detection module is electrically connected with pedestal by resilient contact；
(2) II type power measuring terminal includes pedestal (1) and rectangular detection module (2)；
Pedestal is equipped with the terminal of 2 inlet wires (11) of connection and connects the terminal of 2 outlets (13), rectangular with one on pedestal
Recessed portion, 4 undertaking columns (14) are equipped in recessed portion, detection module is inlaid in recessed portion；The bottom of detection module is equipped with 4
A inserting column (24) for being docked with the undertaking column；
Detection module is equipped with display screen (21) and key (22)；MCU and communication module are equipped in detection module；Display screen leads to
Letter module, display screen and key are connected with MCU.
2. electric energy metered system according to claim 1, which is characterized in that the wireless communication module is WiFi communication
Module, 3G, 4G or 5G communication module.
3. electric energy metered system according to claim 1, which is characterized in that in I type power measuring terminal, detection module
Opposite sides is additionally provided with side grooves (27)；4 angles position of rectangular recessed portion is equipped with 4 magnetic parts (34), electrical energy measurement
Terminal bottom also is provided with magnetic part compatible with 4 magnetic parts.
4. power measuring terminal according to claim 1, which is characterized in that in II type power measuring terminal, inserting column
Lower end is plug connector (25), and the lower end of plug connector is tip, and the thickness in the middle section of plug connector is greater than the thickness of the lower end of plug connector,
With the groove (26) of downwardly facing opening in plug connector；
Accepting column includes 2 bending parts (16), and one is equipped between bending part for accommodating the inner cavity (17) of the plug connector；It holds
The middle part for connecing column includes 2 bending parts (16), and the top of bending part is valgus (15).
5. power measuring terminal according to claim 4, which is characterized in that be respectively provided with one and half at left and right sides of recessed portion
Circular side is recessed (12).
6. electric energy metered system according to claim 1-5, which is characterized in that further include combined type power energy monitoring and controlling
Terminal；
Combined electrical energy monitor terminal includes pedestal (1), middleware (3) and rectangular detection module (2)；
Middleware is detection module wireless charging, and middleware and detection module wireless communication connect；
Pedestal is equipped with the terminal of 2 inlet wires (11) of connection and connects the terminal of 2 outlets (13), rectangular with one on pedestal
Recessed portion；
The bottom surface of recessed portion is equipped with 4 resilient contacts (33) and 4 magnetic parts (34), and magnetic part is magnet；
The bottom of middleware is equipped with 4 resilient contacts being adapted to 4 resilient contacts (33) and 4 magnetic parts (34)
(33) and 4 magnetic parts (34)；
Electric energy metering module is equipped in middleware, from MCU (31) and 2 relays (32)；Transmitting coil is additionally provided in middleware
(36)；The upper surface of middleware is equipped with 4 magnetic parts；Transmitting coil, electric energy metering module and relay are and from MCU phase
Even；
The thickness of middleware is less than the depth of recessed portion；
The bottom of detection module is equipped with 4 magnetic parts being adapted to 4 magnetic parts of middleware upper surface；
The bottom of detection module is additionally provided with receiving coil (29)；
Main MCU (251), communication module (261) and lithium battery (28) are equipped in detection module；Communication module and lithium battery with master
MCU is connected；
Display screen (21) and key (22) are additionally provided on detection module；Display screen and key are connected with main MCU；Detection module
Two sides are additionally provided with side grooves；
The top of middleware is equipped with circular recess (39), is equipped with handle (38) in circular recess；
Electric energy metered system further includes the electric energy meter with LoRa communication module, and the electric energy meter with LoRa communication module includes inspection
It surveys module (2), MCU and LoRa communication module is equipped in detection module；LoRa communication module is connected with MCU；Detection module is side
The box body of shape；Detection module includes back box (299) and cover (30)；4 angles position of back box upper surface is respectively provided with 1 back box contact
(311), 4 cover contacts (288) are correspondingly provided in 4 angles position of the lower surface of cover；After cover lid closes in back box, back box
It is connected between contact and cover contact by conductive sponge, 4 cover contacts and 4 back box contacts are correspondingly formed 4 detection switch
S1~S4；4 cover contacts are grounded, and 4 back box contacts pass through resistance R11, R22, R33 and R44 respectively and meet Vcc；4 back box
Contact also meets 4 I/O interfaces P01, P02, P03 and P04 of MCU respectively；4 back box contacts also connect the 4 of four input terminals or door respectively
An I/O port P05 of the output termination MCU of a input terminal, four input terminals or door.
7. a kind of electric energy gauging method, which is characterized in that use electric energy metered system as claimed in claim 6；
Multiple I type power measuring terminals, II type power measuring terminal and combined electrical energy monitor terminal are arranged in electricity unit,
The energy information of I type power measuring terminal, II type power measuring terminal and the acquisition of combined electrical energy monitor terminal is transferred to service
Device；
Monitor terminal passes through the day degree variation of the electricity consumption of each electricity unit of server monitoring and monthly variation；
Monitor terminal is the PC machine or smart phone for accessing server.
8. electric energy gauging method according to claim 7, which is characterized in that I type power measuring terminal, II type electrical energy measurement
There is two dimensional code in terminal and combined electrical energy monitor terminal；
Scanning input two dimensional code is to obtain the port for accessing server to carry out network registration to the equipment, for registered
Equipment, scanned again to access server and check real-time power information or electricity consumption statistical information.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111579862A (en) * | 2020-04-29 | 2020-08-25 | 广州欧创智能科技有限公司 | Electric measurement actuator and control method thereof |
| CN112867299A (en) * | 2021-02-28 | 2021-05-28 | 长沙修恒信息科技有限公司 | Multifunctional display terminal based on Internet of things |
| CN112952484A (en) * | 2021-01-28 | 2021-06-11 | 中南林业科技大学 | Control method of multifunctional socket |
| CN113097972A (en) * | 2021-04-01 | 2021-07-09 | 国网新疆电力有限公司昌吉供电公司 | Circuit fault early warning information transmission equipment |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103675440A (en) * | 2013-05-22 | 2014-03-26 | 国家电网公司 | Power efficiency monitoring terminal and monitoring method thereof |
| CN206074795U (en) * | 2016-09-30 | 2017-04-05 | 千江（上海）信息科技有限公司 | The online checking system of electric power meter networking |
| CN206505124U (en) * | 2017-01-25 | 2017-09-19 | 宁夏金润昌科技有限公司 | Intellectual monitoring ammeter |
| CN109460946A (en) * | 2018-12-26 | 2019-03-12 | 北京煜邦电力技术股份有限公司 | The distribution system of acquisition tasks and electric energy metered system based on domestic operating system |
| CN209947080U (en) * | 2019-06-29 | 2020-01-14 | 深圳腾河智慧科技有限公司 | Information acquisition system for power grid |
-
2019
- 2019-07-03 CN CN201910596183.0A patent/CN110308323A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103675440A (en) * | 2013-05-22 | 2014-03-26 | 国家电网公司 | Power efficiency monitoring terminal and monitoring method thereof |
| CN206074795U (en) * | 2016-09-30 | 2017-04-05 | 千江（上海）信息科技有限公司 | The online checking system of electric power meter networking |
| CN206505124U (en) * | 2017-01-25 | 2017-09-19 | 宁夏金润昌科技有限公司 | Intellectual monitoring ammeter |
| CN109460946A (en) * | 2018-12-26 | 2019-03-12 | 北京煜邦电力技术股份有限公司 | The distribution system of acquisition tasks and electric energy metered system based on domestic operating system |
| CN209947080U (en) * | 2019-06-29 | 2020-01-14 | 深圳腾河智慧科技有限公司 | Information acquisition system for power grid |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111579862A (en) * | 2020-04-29 | 2020-08-25 | 广州欧创智能科技有限公司 | Electric measurement actuator and control method thereof |
| CN112952484A (en) * | 2021-01-28 | 2021-06-11 | 中南林业科技大学 | Control method of multifunctional socket |
| CN112952484B (en) * | 2021-01-28 | 2024-02-23 | 中南林业科技大学 | Control method of multifunctional socket |
| CN112867299A (en) * | 2021-02-28 | 2021-05-28 | 长沙修恒信息科技有限公司 | Multifunctional display terminal based on Internet of things |
| CN113097972A (en) * | 2021-04-01 | 2021-07-09 | 国网新疆电力有限公司昌吉供电公司 | Circuit fault early warning information transmission equipment |
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Application publication date: 20191008 |