CN105092912A - Cost control intelligent ammeter convenient to be mounted and dismounted - Google Patents
Cost control intelligent ammeter convenient to be mounted and dismounted Download PDFInfo
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- CN105092912A CN105092912A CN201510543741.9A CN201510543741A CN105092912A CN 105092912 A CN105092912 A CN 105092912A CN 201510543741 A CN201510543741 A CN 201510543741A CN 105092912 A CN105092912 A CN 105092912A
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Abstract
The invention discloses a cost control intelligent ammeter convenient to be mounted and dismounted. The cost control intelligent ammeter is provided with a housing and an internal circuit, the housing is provided with a carrier wave upper cover, a wave carrier button difficult to drop, an embedded type seal and a detachable auxiliary wiring terminal, wherein the housing is made of a flame-retardant insulation material, the internal circuit is provided with a sampling module, a metering module, a microprocessor module, a display module, an indication module, a trip-out power-off module, an ESAM module, a multi-rate metering module, a communication module and an energy storage module, and after the shaft end of the wave carrier is disengaged from an original fixation position, the button does not drop from the wave carrier upper cover. Besides, simple sealing of the housing of the ammeter is realized, wiring of wiring terminals is facilitated, the materials of binding post copper bars are reduced, and the production cost of the ammeter is decreased.
Description
Technical field
The present invention relates to a kind of expense control intelligent electric meter, particularly relate to a kind of expense control intelligent electric meter of easy accessibility.
Background technology
Intelligent electric meter is the general requirement of building according to national grid, a kind of electric energy meter that the basis of national grid intelligent electric meter series standard is researched and developed, intelligent electric energy meter has electrical energy metering, information storage, information processing, Real-Time Monitoring, the automatically function such as control and information interaction, can effectively stop arrearage behavior, the management of science can be carried out effectively and timely to user power utilization.At present, intelligent electric energy meter is used in dormitory widely in family, school student dormitory, enterprises and institutions.
But, there is a lot of technical matters in existing intelligent electric energy meter, the such as current sample shunt of existing a lot of intelligent electric energy meter comprises two contacts being arranged on its side and connects sampling wire, realizes sample rate current by the sample circuit on described sampling wire and electric energy meter mainboard.There is the magnetic induction line gathered in electric energy meter inside, magnetic flux is there is equally in the region surrounded between two described sampling wires, like this when the sample rate current in wire of sampling changes, the induction current of interference sample electric current accuracy will be formed, and faradic size and described two sample and surround the area positive correlation in region between wire, therefore the region area surrounded between sampling wire is larger, also larger on the accuracy impact of institute's current sample current value.In the set-up mode of existing current sample shunt, two sampling wires are in the same side of current sample shunt, in any case be therefore wound around two sampling wires, all be difficult to reduce the region area that two wires surround, therefore, cause external magnetic field large to the interference of sampled signal, the accuracy that electric energy meter measures can not be ensured; Meanwhile, in prior art, the position of the corresponding Carrier button of Carrier upper cover is a perforate adapted with button-shape, and the axle head of carrier wave ripple device button is once after departing from from former bearing, and Carrier button entirety easily drops out from perforate; In addition, in prior art, conventional lead seal structure comprises lead sealing screw, lead sealing line and lead sealing block, lead sealing is passed by lead sealing screw cap on lead sealing thing, and and be linked togather by lead sealing thing, tie a knot through after lead sealing block in two of lead sealing line, lead sealing block flattens by reusable lead envelope pincers.Comparatively loaded down with trivial details, operation inconvenience, and comparatively large to the restriction ratio of the structure of shell, traditional lead sealing be used in burden on ammeter, unsightly, unsmooth and sealing effect is poor.
Simultaneously, auxiliary terminal block in prior art in intelligent electric meter is all be fixed on ammeter housing by the mode of direct soldering, and the edge of binding post copper bar exceeds the edge length of auxiliary terminal block, cause binding post copper bar length long, waste material and ammeter production cost.
Summary of the invention
The object of the invention is to overcome prior art deficiency, a kind of expense control intelligent electric meter of easy accessibility is provided, it can effectively realize Carrier button not easily drop out from upper cover and meter case seal easy, also the wiring of ammeter line terminals is facilitated, save material, reduce ammeter production cost.
In order to reach upper object, technical scheme of the present invention is such: a kind of expense control intelligent electric meter of easy accessibility, described expense control intelligent electric meter has housing, internal circuit, housing is provided with Carrier upper cover, the Carrier button not easily dropped out and embedded seal, described housing adopts flame-retardant insulating material to make, and described internal circuit has sampling module, metering module, microprocessor module, display module, indicating module, tripping operation power-off modular, ESAM module, multi tariff metering module, communication module, energy-storage module.
Described sampling module has current sample module and voltage sample module, and described current sample module has current sample sensor, for obtaining current sampling data; Described voltage sample module has voltage sample sensor, for obtaining voltage sample value;
Described metering module is used for that the signal coming from described sampling module is converted into metering signal and delivers to described microprocessor module;
Described microprocessor module is used for realizing data processing work; The result of data processing is kept in data-storing module by described microprocessor module; Described microprocessor module has also at least been used to safety certification, Communication Control, display and control, and breaker tripping and closing control, the data processing work of measure control;
Described display module is LCD display module; Described display module has plurality of display modes, and described plurality of display modes comprises automatic cycle display mode, button display mode and power failure display mode; The automatic cycle displaying time of described automatic cycle display mode is spaced apart 5 to 20 seconds; When being in described button display mode, LCD display module starts backlight, within 60 seconds, automatically closes backlight afterwards time charged without operation; Be in described power failure display mode after power failure, when described power failure display mode, described LCD display module is closed automatically, and after described LCD display module is closed, described LCD display module can be waken up, if as without operation after waking up, then close display after automatic cycle shows one time;
Described indicating module is LED indicating module;
The permission that described tripping operation power-off modular is used for user power utilization state connects/interrupts connection control;
Described ESAM module is used for realizing safety certification, and described ESAM module adopts the close algorithm of state, in order to guarantee to arrange state checking meter, take and controls functional status, data transmission security during remote mode state;
Described multi tariff metering module, has multiple rate metered scheme, for realizing rate metering;
Described communication module has RS485 communication module, infrared communication module, carrier communication module;
Described energy-storage module is used for providing electric energy;
Described Carrier upper cover is provided with the perforate of corresponding Carrier button, described Carrier button is made up of the axle head under the cylinder of approximate ellipsoidal and cylinder, there is the circle groove holding elastic rubber ring axle head bottom, the position that the cylinder of described approximate ellipsoidal is connected with axle head, be provided with a sectional area and be greater than cylinder, along the step that cylinder radial direction extends, the sectional area of described step is greater than the sectional area of the perforate of the corresponding Carrier button that Carrier covers, thus after the axle head of Carrier button is departed from from former bearing, Carrier button also can not drop out from Carrier upper cover, damaged surface has circular depressed.
Described embedded seal comprises seal base and seal upper cover, described seal base has a cavity, one end of described embedded seal is seal upper cover, the other end is the openend of cavity, seal base outer wall has the 4-6 bar line of rabbet joint, the shell fragment tilted towards cavity inside is provided with, the line of rabbet joint that described seal upper cover has outwardly convex, that be evenly arranged along described seal upper cover sidewall between the described line of rabbet joint; The angle of described housing is provided with the mounting hole holding described embedded seal, described mounting hole is corresponding with described embedded seal shape, and described embedded seal can embed described mounting hole.
Described detachable auxiliary terminal block is connected in described housing in the mode of clamping, limit, the detachable auxiliary terminal block left and right sides respectively has a raised line 5, during installation, this raised line 5 snaps in the groove 9 of housing correspondence position, realize the installation of detachable auxiliary terminal block, there is limiting section to limit the degree of depth that detachable auxiliary terminal block snaps in housing in housing, the edge line of the binding post copper bar in ammeter below detachable auxiliary terminal block flushes substantially with the edge line of detachable auxiliary terminal block, or exceed the edge line 1 ~ 5mm of detachable auxiliary terminal block, or within the edge line of detachable auxiliary terminal block,
Above-mentioned limiting section can be a limiting stand, stopper slot or other forms of limiting section.
Accompanying drawing explanation
Fig. 1 is the shell planimetric map of expense control intelligent electric meter of the present invention;
Fig. 2 is the schematic diagram of detachable auxiliary terminal block of the present invention;
Fig. 3 is the schematic diagram of Carrier button;
The embedded seal of 1-, 2-Carrier upper cover, the 3 Carrier buttons not easily dropped out,
The detachable auxiliary terminal block of 4-, 5-raised line, 6-axle head, 7-cylinder, 8-step, 9-groove
Embodiment
Below in conjunction with the drawings and specific embodiments, the invention will be further described:
As shown in Figure 1, Fig. 1 shows the energy measuring device with detachable auxiliary terminal block of the present invention.
Easy accessibility take a control intelligent electric meter, described expense control intelligent electric meter has housing, internal circuit, housing is provided with Carrier upper cover, the Carrier button not easily dropped out and embedded seal, described housing adopts flame-retardant insulating material to make, and described internal circuit has sampling module, metering module, microprocessor module, display module, indicating module, tripping operation power-off modular, ESAM module, multi tariff metering module, communication module, energy-storage module.
Described sampling module has current sample module and voltage sample module, and described current sample module has current sample sensor, for obtaining l obtaining current sampled value; Described voltage sample module has voltage sample sensor, for obtaining voltage sample value;
Described metering module is used for that the signal coming from described sampling module is converted into metering signal and delivers to described microprocessor module;
Described microprocessor module is used for realizing data processing work; The result of data processing is kept in data-storing module by described microprocessor module; Described microprocessor module has also at least been used to safety certification, Communication Control, display and control, and breaker tripping and closing control, the data processing work of measure control;
Described display module is LCD display module; Described display module has plurality of display modes, and described plurality of display modes comprises automatic cycle display mode, button display mode and power failure display mode; The automatic cycle displaying time of described automatic cycle display mode is spaced apart 5 to 20 seconds; When being in described button display mode, LCD display module starts backlight, within 60 seconds, automatically closes backlight afterwards time charged without operation; Be in described power failure display mode after power failure, when described power failure display mode, described LCD display module is closed automatically, and after described LCD display module is closed, described LCD display module can be waken up, if as without operation after waking up, then close display after automatic cycle shows one time;
Described indicating module is LED indicating module;
The permission that described tripping operation power-off modular is used for user power utilization state connects/interrupts connection control;
Described ESAM module is used for realizing safety certification, and described ESAM module adopts the close algorithm of state, in order to guarantee to arrange state checking meter, take and controls functional status, data transmission security during remote mode state;
Described multi tariff metering module, has multiple rate metered scheme, for realizing rate metering;
Described communication module has RS485 communication module, infrared communication module, carrier communication module;
Described energy-storage module is used for providing electric energy;
Described Carrier upper cover is provided with the perforate of corresponding Carrier button, described Carrier button is made up of the axle head 6 under the cylinder 7 of approximate ellipsoidal and cylinder, there is the circle groove 9 holding elastic rubber ring axle head bottom, the position that the cylinder of described approximate ellipsoidal is connected with axle head, be provided with a sectional area and be greater than cylinder, along the step 8 that cylinder radial direction extends, the sectional area of described step is greater than the sectional area of the perforate of the corresponding Carrier button that Carrier covers, thus after the axle head of Carrier button is departed from from former bearing, Carrier button also can not drop out from Carrier upper cover, damaged surface has circular depressed.
Described embedded seal comprises seal base and seal upper cover, described seal base has a cavity, one end of described embedded seal is seal upper cover, the other end is the openend of cavity, seal base outer wall has the 4-6 bar line of rabbet joint, the shell fragment tilted towards cavity inside is provided with, the line of rabbet joint that described seal upper cover has outwardly convex, that be evenly arranged along described seal upper cover sidewall between the described line of rabbet joint; The angle of described housing is provided with the mounting hole holding described embedded seal, described mounting hole is corresponding with described embedded seal shape, and described embedded seal can embed described mounting hole.
Described detachable auxiliary terminal block is connected in described housing in the mode of clamping, limit, the detachable auxiliary terminal block left and right sides respectively has a raised line 5, during installation, this raised line 5 snaps in the groove 9 of housing correspondence position, realize the installation of detachable auxiliary terminal block, there is limiting section to limit the degree of depth that detachable auxiliary terminal block snaps in housing in housing, the edge line of the binding post copper bar in ammeter below detachable auxiliary terminal block flushes substantially with the edge line of detachable auxiliary terminal block, or exceed the edge line 1 ~ 5mm of detachable auxiliary terminal block, or within the edge line of detachable auxiliary terminal block,
Above-mentioned limiting section can be a limiting stand, stopper slot or other forms of limiting section.
Intelligent electric energy meter have employed ultra-large digital signal processing chip, the memory of persistence information, full isolation standard RS485 communication interface and infrared communication, configurable low voltage power line carrier communication module.The advanced technologies such as the wide temperature liquid crystal display of large picture and information security encryption ESAM module.Electric energy meter have employed advanced SMT surface mount process, and shell adopts high strength, Flame-retardant environment-friendlymaterial material, modern design, beautiful and applicable, has higher dielectric strength and corrosion resistance.This table integrates numerous function, there is electrical energy metering, information stores and the function such as process, Real-Time Monitoring, automatically control, information interaction, can effectively stop arrearage behavior, thus comply with power department effectively carries out modernization scientific management in time requirement to user.
During intelligent electric meter work, voltage, electric current are converted to sampled signal by sending into computation chip after filtering process through senser element, energy signal is converted into pulse signal and delivers to CPU and carry out electric pulse collection by computation chip, electric quantity accumulation and every computational analysis process, its result is kept in data-storing; Simultaneously CPU completes the function treatment such as safety certification, infrared, RS485 communication, carrier communication (micro power radio communication), LCD display, breaker tripping and closing.Ammeter adopts with temperature-compensation circuit clock chip, data security adopts Redundancy Design, data acquisition multiple duplication, guarantees that continuous data is reliable.
Voltage circuit applies 380V alternating voltage 1 hour, and electric energy meter still can normally work without damage.
Ammeter applies short-time overload electric current 30Imax, and electric energy meter still can normally work without damage.Application time is the half period of rated frequency.
Frequency: standard reference frequency 50Hz, runs under being suitable for mains frequency 45Hz ~ 65Hz situation.
Clock: adopt the hardware clock circuit with temperature compensation function, there is calendar, timing, leap year auto-conversion function; Internal clocking terminal output frequency is 1Hz.In-25 ~+60 DEG C of temperature ranges, clock accuracy≤± ls/d; Under reference temperature (23 DEG C), clock accuracy≤± 0.5s/d.
Start: meritorious 1 grade≤0.004Ib (directly accessing).
Meritorious 2 grades≤0.005Ib (directly accessing).
The pilot lamp flicker that electric energy meter has pulse output and electric energy to export.
Shunt running: voltage circuit adds 115%Un, when current return no current, no more than 1 of the pulse of output, has the anti-shunt running function of logic.
Temperature humidity range:
Power consumption: under reference voltage, reference temperature and reference frequency, active power and the applied power consumption of electric energy meter voltage circuit are not more than 1.5W, 10VA under non-communicating state; Be not more than 3W, 12VA in a communication state.
Electricity LCD shows: 0 ~ 999999.99kWh.
Adopting long-life environmental protection lithium battery, battery capacity >=1.2Ah, without the need to changing in electric energy meter life cycle, accumulative more than 5 years of internal clocking correct working time after power-off, can be maintained.When cell voltage is not enough, electric energy meter energy automatic-prompting, warning.
The functions such as intelligent electric meter has function of measuring, and electricity freezes, clearing.
Function of measuring, electric quantity metering (1) has forward and reverse active energy function of measuring, can store its data, and it is meritorious to arrange combination accordingly; (2) there is time-sharing measurement function, active energy by the corresponding period respectively accumulative, store total, point, peak, put down, paddy electric flux; (3) total electric energy of upper 12 months and each rate electric flux can be stored; Data store the boundary moment when being the end of month 24, or monthly No. 1 to the integral point moment in No. 28.
Electricity freezes, and electricity freezes to freeze forward (oppositely) meritorious and point, peak, flat, paddy electricity, is specifically divided into following several situation: (1) regularly freezes: electric energy data is freezed at the time that ammeter is arranged according to user and interval; Each amount of freezing preserves 60 times; (2) instantaneously to freeze: under abnormal condition, freeze the data of current calendar, time, all electric fluxs and active power; The instantaneous amount of freezing preserves the data of last 3 times; (3) agreement is freezed: the old and new two overlap the conversion of rate/period or Utilities Electric Co. think have special requirement time, freeze electric flux and other significant datas of switch instant, preserve last 2 freezing data; (4) day freezes: the electric flux storing moment zero point every day, stores the data of 62 days; (5) integral point freezes: store meritorious total electric energy in integral point moment or least bit moment and idle total electricity and freeze-off time, can store 96 data.The Data Identification of frozen contents and correspondence all meets DL/T645-2007 and documentation requirements of putting on record thereof, freezes electricity and is ferreted out by other communication interface, is convenient to carry out analysis of electric power consumption and line loss statistics.
Reset, electric energy meter only when authorized and by carrying out electricity clear operation when safety verification, removes the data such as electric flux, the amount of freezing, logout of ammeter storage inside.Electric energy data when permanent recording electric energy meter resets the generation moment of event and resets.
Rate and period and electricity price scheme:
Ammeter adopts hardware band temperature self-compensation Clock Design, has calendar, timing and leap year auto-conversion function.
Calendar, clock and tariff period and electricity price scheme are all undertaken arranging and adjusting by RS485, infrared data interface etc.
There are two cover time-pieces, can arrange " two cover time-piece switching time ", automatically switch to another set of time-piece in the moment of agreement.Often overlap the most multipotency of time-piece and 14 time zones are set; Each time zone table number of optional period day is 1 ~ 8 (during actual motion, specifically belonging to " during first set day segment table " or " during the second cover day segment table " determined by " during two cover days segment table switching time " and the moment at that time of ammeter).
Segment table when having for two cover days, can arrange " during two cover days segment table switching time ", the segment table when the moment of arranging automatically switches another set of day.Segment table when segment table can arrange at most for 8 day when often overlapping day, within a consecutive days (namely each day time segment table) able to programme 4 kinds of rates, maximum 14 periods are set, the period minimum interval of setting is 15 minutes, and the period can cross over reset.
Take control function:
Intelligent electric meter take control function, remote mode is realized by carrier communication system.To the action need of electric energy meter by safety certifications such as strict ESAM modules, the cryptographic algorithm of this ESAM module adopts the close algorithm of state, guarantees that data transmission security is reliable.
When ensureing safety, through safety certifications such as strict ESAM modules, by carrier communication channel, the power consumption parameter in electric energy meter is checked meter setting, intelligent electric meter take control function, remote mode is realized by carrier communication system.
Electric parameter measurement and monitoring:
Intelligent electric meter can be measured, record, show the operational factors such as current voltage, electric current (comprising neutral line current), active power, power factor.Within measuring error (fiducial error) ± 1%.
Logout:
The event recording function of electricity can record the programming of ammeter and clear operation and ammeter running status, is specifically divided into following several situation:
Electric energy data when permanent recording electric energy meter resets the generation moment of event and resets.
Record programming total degree, nearest 10 times programming moment, operator's code, programming item Data Identification.
Total degree (when not comprising broadcast school) during record school, moment during nearest 10 schools, operator's code.
The total degree of record power down, there is the moment of Ji Jie Bouquet in nearest 10 power down.
Record nearest 10 Long-distance Control to operate a switch and nearest 10 Long-distance Control combined floodgate events, record draw, the data such as event generation time and electric flux of closing a floodgate.
Record game clock lid total degree, the generation of nearest 10 game clock lid events, finish time.Logout is ferreted out by communication interface, in carrying out statistical study.
Recording power anomalous event total degree, the nearest electric energy data that moment, finish time and correspondence occur for 10 times.
Record built-in on-load switch misoperation event times, the nearest electric energy data that moment, finish time and correspondence occur for 10 times.
Clocking capability:
Adopt the hardware clock circuit with temperature compensation function, there is calendar, timing, leap year auto-conversion function; Internal clocking terminal output frequency is 1Hz.During electric energy meter acceptable broadcast school, scope is not more than 5min.
Presentation Function:
Display: this electric energy meter adopts the liquid crystal display of giant-screen wide temperature Chinese character, and have anti-ultraviolet function, under normal usage, the LCD life-span is greater than 10 years.
Electric energy meter possesses automatic cycle and button two kinds of display modes; Automatic cycle displaying time interval can be arranged in 5 ~ 20 seconds; During button display, LCD should start backlight, automatically closes backlight time charged without after operation 60s.
Have a power failure display: after (1) has a power failure, liquid crystal display is closed automatically; (2), after liquid crystal display is closed, keys available or other modes wake liquid crystal display up; As without operation after waking up, after automatic cycle shows one time, close display; Button display operation end closed display after 30 seconds.
Communication function:
Have an infrared communication interface and a RS485 communication interface and a carrier communication interface, communication interface Physical layer is independent of one another, and a kind of damage of communication channel does not affect other channel.
Electric energy meter can carry out data transmission with handheld terminal, data acquisition unit, checkout equipment, computing machine etc. by communication interface, arrange when to broadcast pair, copy reading, programming, management etc.Communication protocol meets DL/T645-2007 standard.
RS485 communication interface and electric energy meter internal circuit realize electrical isolation, have fail-safe circuit.
The default baud rate of modulation system infrared communication interface is 1200bps.
RS485 communications speed allows to select in 1200bps, 2400bps, 4800bps, 9600bps, and default setting is 2400bps.RS485 communication interface and electric energy meter internal circuit realize electrical isolation, have fail-safe circuit.Communication interface, by electric property, anti-interference test, meets the requirement of DL/T614-2007.
Port exports:
Electric energy meter possesses the optical pulse test output that is directly proportional to counted electric energy and electric pulse tests output function.The requirement of characteristic conforms GB/T17215.211-2006 of optical pulse test output unit.Electric pulse test exports as light isolation passive exports, and pulsewidth is 80ms ± 20ms, the requirement of the characteristic symbol GB/T15284-2002 of output unit.Electric energy meter possesses a second time signal lead-out terminal.
Warning function:
Light is reported to the police and is adopted backlight lightening mode to carry out light warning, recovers warning normally automatically terminate when event.Alert event comprises: overload, power is (except magic list), battery undervoltage etc. oppositely.
Programming password and safeguard protection:
By solid state medium or virtual medium, optimum configurations is carried out to electric energy meter, the electricity charge that prestore, information is when returning and write and issue remote control command operation, need by the safety certification of ESAM module, to guarantee that data transmission security is reliable.The cryptographic algorithm of ESAM module meets the relevant policies of national Password Management, uses SM1 algorithm.
On-load switch:
On-load switch can adopt internal or external mode, and when adopting built-in on-load switch, electric energy meter maximum current is no more than 60A, and on-load switch technical requirement meets IEC62055-31:2005, on-load switch type selecting Uc2.
When adopting built-in on-load switch, have extinguishing arc measure during switching manipulation, its outlet loop has false action-proof and is convenient to the safety practice of on-the-spot test.Electric energy meter is in the operating voltage range of expansion, and on-load switch should be able to normally work.
Adopt the external electric energy meter meeting switch that one of following two kinds of modes can be taked to realize the control of external on-load switch: (1) exports a pair passive nonpolarity gauge tap signal from electric energy meter tripping operation control terminal 5 and 6, and switching node capacity is for exchanging 250V, 2A.The non-actuated state of switching node is closed, and excited state is off.When gauge tap is in non-actuated state, external on-load switch closes, and allows user power utilization; When gauge tap is in excited state, external on-load switch disconnects, and interrupts customer power supply; (2) directly export an AC voltage control signal from electric energy meter tripping operation control terminal 5, this control signal draws the phase line from this electric energy meter supply line, and driving force should be not less than 20mA.The non-actuated state output voltage of control signal is 90% ~ 100% of supply voltage, and excited state output voltage is 0% ~ 25% of supply voltage.When control signal is in non-actuated state, external on-load switch closes, and allows user power utilization; When control signal is in non-actuated state, external on-load switch disconnects, and interrupts customer power supply.This output loop possesses long term overloading and short-circuit protection ability.
No matter built-in on-load switch is, external, user's power purchase success after, can by main website by long-range transmission directly close a floodgate order or allow close a floodgate order.Electric energy meter is in "on" position, is closed a floodgate by user oneself by local mode.
Module communication function:
Single-phase electric energy meter possesses the exchange of carrier communication module and micropower wireless communication module, and after module replacing, the metering performance of electric energy meter, the continuous data of storage and parameter should not be affected and change;
The configurable arrowband of electric energy meter or bandwidth carrier module, DL/T645-2007 agreement and file of putting on record thereof are followed in the communication between electric energy meter and carrier communication module, and interface communication speed default value is 2400bps.As adopted the electric energy meter of external plug and play type carrier communication module, carrier communication interface should have fail-safe circuit, namely when not accessing, accessing or change communication module, should not impact the performance of electric energy meter self, operational factor and normal metering.When carrier communication, the metering performance of electric energy meter, the continuous data of storage and parameter should not be affected and change.Electric energy meter powers in 5s can carry out carrier communication.
DL/T645-2007 agreement and file of putting on record thereof are followed in communication between electric energy meter and carrier wave micropower communication module.Interface communication speed default value is 2400bps.As adopted the electric energy meter of external plug and play type micropower communication module; micropower communication interface should have fail-safe circuit; namely, when not accessing, accessing or change communication module, should not impact the performance of electric energy meter self, operational factor and normal metering.When micropower communicates, the metering performance of electric energy meter, the continuous data of storage and parameter should not be affected and change.
Status indicator lamp, is provided with 2 superbrights, long-life LED light emitting diode altogether, is used to refer to the various running statuses of electric energy meter, is defined as follows respectively below LCD display:
(1) pulse pilot lamp: red, goes out at ordinary times, glimmers during metering active energy.
(2) trip pilot lamp: yellow, bright during on-load switch disjunction, goes out at ordinary times.
Ammeter must carry out transporting and storing under original packing condition.Product should not be subject to severe impact when transporting and seal off, and according to the transport of GB/T15464-1995 " instrument and meter packaging general technical specifications " regulation and storage.Product is placed in warehouse and preserves, and is placed on stand, and stacking height must not more than five layer.The gas that must not be corrosive in the environment of storage exists.
Above content is only better embodiment of the present invention, and for those of ordinary skill in the art, according to thought of the present invention, all will change in specific embodiments and applications, this description should not be construed as limitation of the present invention.
Claims (7)
1. an easy accessibility take control intelligent electric meter, described expense control intelligent electric meter has housing, internal circuit, housing is provided with Carrier upper cover, the Carrier button not easily dropped out, embedded seal, detachable auxiliary terminal block, described housing adopts flame-retardant insulating material to make, described internal circuit has sampling module, metering module, microprocessor module, display module, indicating module, tripping operation power-off modular, ESAM module, multi tariff metering module, communication module, energy-storage module, is characterized in that:
Described sampling module has current sample module and voltage sample module, and described current sample module has current sample sensor, for obtaining current sampling data; Described voltage sample module has voltage sample sensor, for obtaining voltage sample value;
Described metering module is used for that the signal coming from described sampling module is converted into metering signal and delivers to described microprocessor module;
Described microprocessor module is used for realizing data processing work; The result of data processing is kept in data-storing module by described microprocessor module; Described microprocessor module has also at least been used to safety certification, Communication Control, display and control, and breaker tripping and closing control, the data processing work of measure control;
Described display module is LCD display module; Described display module has plurality of display modes, and described plurality of display modes comprises automatic cycle display mode, button display mode and power failure display mode; The automatic cycle displaying time of described automatic cycle display mode is spaced apart 5 to 20 seconds; When being in described button display mode, LCD display module starts backlight, within 60 seconds, automatically closes backlight afterwards time charged without operation; Be in described power failure display mode after power failure, when described power failure display mode, described LCD display module is closed automatically, and after described LCD display module is closed, described LCD display module can be waken up, if as without operation after waking up, then close display after automatic cycle shows one time;
Described indicating module is LED indicating module;
The permission that described tripping operation power-off modular is used for user power utilization state connects/interrupts connection control;
Described ESAM module is used for realizing safety certification, and described ESAM module adopts the close algorithm of state, in order to guarantee to arrange state checking meter, take and controls functional status, data transmission security during remote mode state;
Described multi tariff metering module, has multiple rate metered scheme, for realizing rate metering;
Described communication module has RS485 communication module, infrared communication module, carrier communication module;
Described energy-storage module is used for providing electric energy;
Described Carrier upper cover is provided with the perforate of corresponding Carrier button, described Carrier button is made up of the axle head under the cylinder of approximate ellipsoidal and cylinder, there is the circle groove holding elastic rubber ring axle head bottom, the position that the cylinder of described approximate ellipsoidal is connected with axle head, be provided with a sectional area and be greater than cylinder, along the step that cylinder radial direction extends, the sectional area of described step is greater than the sectional area of the perforate of the corresponding Carrier button that Carrier covers, thus after the axle head of Carrier button is departed from from former bearing, Carrier button also can not drop out from Carrier upper cover.
Described embedded seal comprises seal base and seal upper cover, described seal base has a cavity, one end of described embedded seal is seal upper cover, the other end is the openend of cavity, seal base outer wall has the 4-6 bar line of rabbet joint, the shell fragment tilted towards cavity inside is provided with, the line of rabbet joint that described seal upper cover has outwardly convex, that be evenly arranged along described seal upper cover sidewall between the described line of rabbet joint; The angle of described housing is provided with the mounting hole holding described embedded seal, described mounting hole is corresponding with described embedded seal shape, and described embedded seal can embed described mounting hole.
Described detachable auxiliary terminal block is connected in described housing in the mode of clamping, limit, the detachable auxiliary terminal block left and right sides respectively has a raised line, during installation, this raised line snaps in the groove of housing correspondence position, realize the installation of detachable auxiliary terminal block, there is limiting section to limit the degree of depth that detachable auxiliary terminal block snaps in housing in housing, the edge line of the binding post copper bar in ammeter below detachable auxiliary terminal block flushes substantially with the edge line of detachable auxiliary terminal block, or exceed the edge line 1 ~ 5mm of detachable auxiliary terminal block, or within the edge line of detachable auxiliary terminal block.
2. a kind of easy accessibility according to claim 1 take control intelligent electric meter, it is characterized in that: described metering signal is pulse signal or described metering signal is digital signal, and above-mentioned limiting section is a limiting stand.
3. a kind of easy accessibility according to claim 2 take control intelligent electric meter, it is characterized in that: described carrier communication module is configured to the carrier communication of low-voltage power line.
4. a kind of easy accessibility according to claim 3 take control intelligent electric meter, it is characterized in that: described carrier communication module adopts micropower communication.
5. a kind of easy accessibility according to claim 4 take control intelligent electric meter, it is characterized in that: described energy-storage module is battery and/or ultracapacitor.
6. a kind of easy accessibility according to claim 5 take control intelligent electric meter, it is characterized in that: described step both sides of the edge have two places depression.
7. a kind of easy accessibility according to claim 6 take control intelligent electric meter, it is characterized in that: described damaged surface has circular depressed.
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| CN201510543741.9A CN105092912A (en) | 2015-08-28 | 2015-08-28 | Cost control intelligent ammeter convenient to be mounted and dismounted |
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| CN201510543741.9A CN105092912A (en) | 2015-08-28 | 2015-08-28 | Cost control intelligent ammeter convenient to be mounted and dismounted |
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| CN105092912A true CN105092912A (en) | 2015-11-25 |
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| CN201510543741.9A Pending CN105092912A (en) | 2015-08-28 | 2015-08-28 | Cost control intelligent ammeter convenient to be mounted and dismounted |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105699721A (en) * | 2016-03-25 | 2016-06-22 | 李萍 | Use method of electric energy meter with automatic detection function for outer frame damage |
| CN105842496A (en) * | 2016-03-25 | 2016-08-10 | 李英 | Use method of smart electric energy meter |
| CN105842503A (en) * | 2016-03-25 | 2016-08-10 | 李萍 | Ammeter capable of automatically detecting damage of outer frame |
| CN107167643A (en) * | 2017-05-17 | 2017-09-15 | 浙江永阳科技有限公司 | A kind of single-phase register infrared electric energy meter |
| CN107658166A (en) * | 2017-09-22 | 2018-02-02 | 国家电网公司 | A kind of ammeter mistake proofing button hood for protecting rider |
| CN109150244A (en) * | 2018-08-09 | 2019-01-04 | 江阴长仪集团有限公司 | Based on broadband power carrier wave stop powering on reports acquisition electric energy meter and report method |
| CN109164282A (en) * | 2018-08-08 | 2019-01-08 | 国网山东省电力公司烟台供电公司 | A kind of switch external intelligent electric energy meter stops repeating installation |
| CN109900942A (en) * | 2019-03-25 | 2019-06-18 | 深圳龙电电气股份有限公司 | A kind of single-phase electric energy meter |
| CN111766419A (en) * | 2020-06-30 | 2020-10-13 | 国网山东省电力公司莱阳市供电公司 | Electric power operation and inspection protection ammeter |
| CN113687137A (en) * | 2021-08-11 | 2021-11-23 | 国网河北省电力有限公司衡水供电分公司 | Data display device of three-phase multifunctional intelligent meter and data transmission method thereof |
| CN115856420A (en) * | 2022-12-20 | 2023-03-28 | 江苏长实基业电气科技有限公司 | Mounting structure of power failure reporting CCO carrier module |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2541943Y (en) * | 2002-04-30 | 2003-03-26 | 梁锦洪 | Switch |
| CN2581944Y (en) * | 2002-12-09 | 2003-10-22 | 钟永生 | Inserted covered seal device |
| CN201796087U (en) * | 2010-09-09 | 2011-04-13 | 深圳市森晖电子有限公司 | State grid three-phase remote bill control intelligent electric energy meter |
| CN202305623U (en) * | 2011-11-04 | 2012-07-04 | 慈溪市全盛壳体有限公司 | Bottom shell structure of electric energy meter |
| CN102646364A (en) * | 2012-01-18 | 2012-08-22 | 国网计量中心 | Lock catch type seal for electric energy meter |
| CN202939193U (en) * | 2012-11-26 | 2013-05-15 | 哈尔滨理工大学 | Single-phase intelligent multi-user remote cost control electric energy meter |
| CN203204042U (en) * | 2013-04-18 | 2013-09-18 | 高晓勇 | Electric energy meter seal |
| EP2741054A1 (en) * | 2012-11-13 | 2014-06-11 | TQ-Systems GmbH | Smart-Meter |
| KR101424396B1 (en) * | 2013-06-19 | 2014-07-28 | 박은영 | Smart electric power meter, Metering system using the same and Method for metering thereby |
-
2015
- 2015-08-28 CN CN201510543741.9A patent/CN105092912A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2541943Y (en) * | 2002-04-30 | 2003-03-26 | 梁锦洪 | Switch |
| CN2581944Y (en) * | 2002-12-09 | 2003-10-22 | 钟永生 | Inserted covered seal device |
| CN201796087U (en) * | 2010-09-09 | 2011-04-13 | 深圳市森晖电子有限公司 | State grid three-phase remote bill control intelligent electric energy meter |
| CN202305623U (en) * | 2011-11-04 | 2012-07-04 | 慈溪市全盛壳体有限公司 | Bottom shell structure of electric energy meter |
| CN102646364A (en) * | 2012-01-18 | 2012-08-22 | 国网计量中心 | Lock catch type seal for electric energy meter |
| EP2741054A1 (en) * | 2012-11-13 | 2014-06-11 | TQ-Systems GmbH | Smart-Meter |
| CN202939193U (en) * | 2012-11-26 | 2013-05-15 | 哈尔滨理工大学 | Single-phase intelligent multi-user remote cost control electric energy meter |
| CN203204042U (en) * | 2013-04-18 | 2013-09-18 | 高晓勇 | Electric energy meter seal |
| KR101424396B1 (en) * | 2013-06-19 | 2014-07-28 | 박은영 | Smart electric power meter, Metering system using the same and Method for metering thereby |
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105699721A (en) * | 2016-03-25 | 2016-06-22 | 李萍 | Use method of electric energy meter with automatic detection function for outer frame damage |
| CN105842496A (en) * | 2016-03-25 | 2016-08-10 | 李英 | Use method of smart electric energy meter |
| CN105842503A (en) * | 2016-03-25 | 2016-08-10 | 李萍 | Ammeter capable of automatically detecting damage of outer frame |
| CN107167643A (en) * | 2017-05-17 | 2017-09-15 | 浙江永阳科技有限公司 | A kind of single-phase register infrared electric energy meter |
| CN107658166A (en) * | 2017-09-22 | 2018-02-02 | 国家电网公司 | A kind of ammeter mistake proofing button hood for protecting rider |
| CN109164282A (en) * | 2018-08-08 | 2019-01-08 | 国网山东省电力公司烟台供电公司 | A kind of switch external intelligent electric energy meter stops repeating installation |
| CN109150244A (en) * | 2018-08-09 | 2019-01-04 | 江阴长仪集团有限公司 | Based on broadband power carrier wave stop powering on reports acquisition electric energy meter and report method |
| CN109150244B (en) * | 2018-08-09 | 2021-08-13 | 江阴长仪集团有限公司 | Power-off reporting acquisition electric energy meter based on broadband power line carrier and reporting method |
| CN109900942A (en) * | 2019-03-25 | 2019-06-18 | 深圳龙电电气股份有限公司 | A kind of single-phase electric energy meter |
| CN109900942B (en) * | 2019-03-25 | 2024-03-08 | 深圳龙电华鑫控股集团股份有限公司 | Single-phase electric energy meter |
| CN111766419A (en) * | 2020-06-30 | 2020-10-13 | 国网山东省电力公司莱阳市供电公司 | Electric power operation and inspection protection ammeter |
| CN113687137A (en) * | 2021-08-11 | 2021-11-23 | 国网河北省电力有限公司衡水供电分公司 | Data display device of three-phase multifunctional intelligent meter and data transmission method thereof |
| CN115856420A (en) * | 2022-12-20 | 2023-03-28 | 江苏长实基业电气科技有限公司 | Mounting structure of power failure reporting CCO carrier module |
| CN115856420B (en) * | 2022-12-20 | 2023-12-26 | 江苏长实基业电气科技有限公司 | Mounting structure of CCO carrier module for reporting power failure |
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Application publication date: 20151125 |