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CN206362841U - Long-life intelligent electric energy meter based on super capacitor and button-shaped lithium-manganese cell - Google Patents

Long-life intelligent electric energy meter based on super capacitor and button-shaped lithium-manganese cell Download PDF

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Publication number
CN206362841U
CN206362841U CN201621487725.9U CN201621487725U CN206362841U CN 206362841 U CN206362841 U CN 206362841U CN 201621487725 U CN201621487725 U CN 201621487725U CN 206362841 U CN206362841 U CN 206362841U
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module
power
sub
electric energy
energy meter
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李中泽
王伟
周洋
张方方
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WUHAN SHENGFAN ELECTRONICS STOCK CO Ltd
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WUHAN SHENGFAN ELECTRONICS STOCK CO Ltd
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Abstract

The utility model is related to electric energy meter field, there is provided a kind of long-life intelligent electric energy meter based on super capacitor and button-shaped lithium-manganese cell, it includes power supply unit and working cell, power supply unit and working cell electrical connection, power supply unit includes power module, the first sub- power module, the second sub- power module and power supply handover module, and working cell includes clock module, MCU main control modules, the first functional module and the second functional module;Power module is electrically connected with power supply handover module, the first sub- power module, the second functional module, and the first sub- power module, power supply handover module and clock module are sequentially connected electrically;Second sub- power module is electrically connected with power supply handover module, and power supply handover module is electrically connected with clock module, MCU main control modules, the first functional module respectively;A kind of long-life intelligent electric energy meter based on super capacitor and button-shaped lithium-manganese cell that the utility model is provided, can reduce intelligent electric energy meter overall power and extend whole table service life.

Description

Long-life intelligent electric energy meter based on super capacitor and button-shaped lithium-manganese cell
Technical field
The utility model is related to electric energy meter field, in particular to one kind based on super capacitor and button-shaped lithium manganese electricity The long-life intelligent electric energy meter in pond.
Background technology
Inside single-phase intelligent electric energy meter it is general have power module, standby power supply module, MCU main control modules, memory module, by Key module, LCD display module, clock module, communication module, metering module and other functional modules.Wherein more important mould Block has clock module and metering module, and when electric energy meter is in power-down state, metering module is stopped, but requires clock mould Block works on.Therefore, the clocking capability in single-phase electric energy meter is of crucial importance.It can not be worked when clock module occurs abnormal When, it will the function such as metering, charging, logout of influence electric energy meter.
The standby power supply module of major part single-phase electric energy meter is made up of the sub- battery of a lithium at present.The battery is used for single-phase electricity During energy table power down, continue to supply to modules such as MCU main control modules, clock module, memory module, key-press module, LCD display modules Electricity, it is ensured that electric energy meter data storage, clock timing, LCD buttons show etc. that correlation function is normally run after power down.This scheme electric energy After table power down, the battery will be simultaneously that the clock module in table and other parts functional module provide power supply.When this battery loses After effect, once electric energy meter is in power-down state, clock will stop timing, cause electric energy meter timing uncertainty.In addition, lithium Asia battery Generally existing battery passivation phenomenon during work, shortens the working life of battery.Therefore, using the sub- battery of single lithium as standby The design of power supply, the clock module overall work time is not long, have impact on the whole service life of electric energy meter.
Utility model content
The purpose of this utility model is to provide a kind of long-life intelligence based on super capacitor and button-shaped lithium-manganese cell Electric energy meter, can realize the reduction of intelligent electric energy meter overall power and the extension of whole table service life.
What the utility model was realized in:
A kind of long-life intelligent electric energy meter based on super capacitor and button-shaped lithium-manganese cell, applied to using electric line, its Including power supply unit and working cell, power supply unit and working cell electrical connection, power supply unit include power module, the first son electricity Source module, the second sub- power module and power supply handover module, working cell include clock module, MCU main control modules, the first function Module and the second functional module;Power module is electrically connected with the first sub- power module, power supply handover module, the second functional module respectively Connect;First sub- power module, the second sub- power module are electrically connected with power supply handover module respectively, power supply handover module respectively with when Clock module, MCU main control modules, the first functional module electrical connection, MCU main control modules respectively with clock module, the first functional module, Second functional module is electrically connected;When power module is used for electric on electric energy meter, external ac power source is converted into dc source, is First sub- power module, clock module, MCU main control modules, the first functional module and the second functional module are powered;Power supply switches mould The direct current that block exports power module when being used for electric on electric energy meter is supplied to clock module, MCU main control modules and the first work( Energy module, in electric energy meter power down, compares the voltage of the first sub- power module and the second sub- power module, and switch to by first The larger module for power supply of voltage, is powered when switching to by the first sub- power module in sub- power module and the second sub- power module When, the first sub- power module is powered for clock module, when switch to powered by the second sub- power module when, the second sub- power module Powered for clock module, MCU main control modules, the first functional module.
The utility model also provides a kind of long-life intelligent electric energy meter based on super capacitor and button-shaped lithium-manganese cell, with Electric energy meter information acquisition system is communicated to connect, and it includes power supply unit and working cell, power supply unit and working cell electricity Connection, power supply unit includes power module, the first sub- power module, the second sub- power module and power supply handover module, job note Member includes clock module, MCU main control modules, the first functional module and the second functional module, and the second functional module includes collection mould Block, metering module and communication module;Power module respectively with the first sub- power module, power supply handover module, the second functional module Electrical connection;First sub- power module, the second sub- power module are electrically connected with power supply handover module respectively, power supply handover module difference Electrically connected with clock module, MCU main control modules, the first functional module, MCU main control modules respectively with clock module, the first function Module, the electrical connection of the second functional module;When power module is used for electric on electric energy meter, external ac power source is converted into direct current Source, is that the first sub- power module, clock module, MCU main control modules, the first functional module and the second functional module are powered;Power supply The direct current that handover module exports power module when being used for electric on electric energy meter be supplied to clock module, MCU main control modules and First functional module, in electric energy meter power down, compares the voltage of the first sub- power module and the second sub- power module, and switch to The larger module for power supply of voltage in the first sub- power module and the second sub- power module, when switching to by the first sub- power module During power supply, the first sub- power module is powered for clock module, when switch to powered by the second sub- power module when, the second sub- power supply Module is clock module, MCU main control modules, the first functional module are powered, the analog quantity letter on the acquisition module collection circuit The analog quantity information of collection is converted to digital information by breath, the metering module by processing, and the MCU main control modules pass through Communication with the metering module obtains the digital information of the metering module output, and the communication module is in the MCU master Under the control for controlling module, by electric energy meter information transmission to the electric energy meter information acquisition system.
Compared with the prior art, the utility model has the advantages that:The utility model provides a kind of based on super electricity Hold the long-life intelligent electric energy meter with button-shaped lithium-manganese cell, first, employ the first sub- power module and the second sub- power supply mould Block as stand-by power supply design;Secondly, the power supply strategy of power supply unit is further optimized for this scheme, when intelligent electricity When energy table is in upper electricity and power down different conditions, power supply unit uses different powering modes to be powered for working cell, it is ensured that when Clock module being capable of long-time normal work;3rd, more succinct power supply handover module is devised, provides convenient for power supply unit Efficient power supply switching approach;4th, when being stored for a long time in warehouse before intelligent electric energy meter linked network, the second sub- power supply mould of use Block can ensure that MCU main control modules, clock module, the first functional module long-time normal work;Finally, work is employed in design Voltage range is wider and clock module of small power consumption, even if the second sub- power module failure, clock after intelligent electric energy meter linked network Module also can maintain the longer working time by the first sub- power module.Therefore, the intelligent electric energy meter that the utility model is provided Whole consumption very little of boasting of one's bit of contribution, whole table service life is long.
To enable above-mentioned purpose of the present utility model, feature and advantage to become apparent, preferred embodiment cited below particularly, and Coordinate appended accompanying drawing, be described in detail below.
Brief description of the drawings
It is new below in conjunction with this practicality to make the purpose, technical scheme and advantage of the utility model embodiment clearer Accompanying drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that retouched The embodiment stated is a part of embodiment of the utility model, rather than whole embodiments.Generally here described in accompanying drawing and The component of the utility model embodiment shown can be arranged and designed with a variety of configurations.Therefore, below to attached The detailed description of the embodiment of the present utility model provided in figure is not intended to limit claimed scope of the present utility model, But it is merely representative of selected embodiment of the present utility model.Based on the embodiment in the utility model, ordinary skill people The every other embodiment that member is obtained under the premise of creative work is not made, belongs to the model of the utility model protection Enclose.
Fig. 1 shows the long-life based on super capacitor and button-shaped lithium-manganese cell that the utility model embodiment is provided The annexation figure of intelligent electric energy meter and user terminal.
Fig. 2 shows the long-life based on super capacitor and button-shaped lithium-manganese cell that the utility model embodiment is provided The structural representation of intelligent electric energy meter.
Fig. 3 shows the long-life based on super capacitor and button-shaped lithium-manganese cell that the utility model embodiment is provided The structural representation of intelligent electric energy meter.
Fig. 4 shows the power supply unit and clock module, MCU module, the first function that the utility model embodiment provided The annexation figure of module.
Fig. 5 shows the second functional module that the utility model embodiment provided and the annexation figure of user terminal.
Icon:100- intelligent electric energy meters;110- power supply units;111- power modules;The sub- power modules of 113- first; 1131- charging circuits;1133- super capacitors;The sub- power modules of 115- second;117- power supply handover modules;130- working cells; 131- clock modules;133-MCU main control modules;The functional modules of 135- first;1351- memory modules;1353- key-press modules; 1355- display modules;The functional modules of 137- second;1371- acquisition modules;1373- metering modules;1375- communication modules;200- Electric energy meter information acquisition system.
Embodiment
Below in conjunction with accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out clear Chu, it is fully described by, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole realities Apply example.The component for the utility model embodiment being generally described and illustrated herein in the accompanying drawings can be come with a variety of configurations Arrangement and design.Therefore, the detailed description of embodiment of the present utility model below to providing in the accompanying drawings is not intended to limit Claimed scope of the present utility model, but it is merely representative of selected embodiment of the present utility model.Based on the utility model Embodiment, the every other embodiment that those skilled in the art are obtained on the premise of creative work is not made, all Belong to the scope of the utility model protection.
In description of the present utility model, in addition it is also necessary to explanation, unless otherwise clearly defined and limited, term is " even Connect " it should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or it is integrally connected;It can be machine Tool is connected or electrically connected;Can be joined directly together, can also be indirectly connected to by intermediary, can be two members Connection inside part.For the ordinary skill in the art, it can understand that above-mentioned term is new in this practicality with concrete condition Concrete meaning in type.
It should be noted that:Similar label and letter represents similar terms in following accompanying drawing, therefore, once a certain Xiang Yi It is defined in individual accompanying drawing, then it further need not be defined and explained in subsequent accompanying drawing.
Below in conjunction with the accompanying drawings, some embodiments of the present utility model are elaborated.In the case where not conflicting, under Feature in the embodiment and embodiment stated can be mutually combined.
Fig. 1 is refer to, the intelligent electric energy meter 100 that the utility model embodiment is provided can apply to use electric line, and Communicate to connect, for gathering the power information with electric line, and power information is sent out with electric energy meter information acquisition system 200 Electric energy meter information acquisition system 200 is delivered to, it includes power supply unit 110 and working cell 130, power supply unit 110 and work Make unit 130 to electrically connect.
Fig. 2 is refer to, power supply unit 110 includes power module 111, the first sub- power module 113, the second sub- power module 115 and power supply handover module 117, the first sub- power module 113, the second sub- power module 115 respectively with power supply handover module 117 Electrically connect, and power supply handover module 117 is electrically connected with working cell 130.Power module 111 respectively with the first sub- power module 113rd, power supply handover module 117 and working cell 130 are electrically connected, for it is electric on intelligent electric energy meter 100 when, by outside 220V AC power is converted to dc source, is that the first sub- power module 113 and working cell 130 power.
Working cell 130 is used to realize the functions such as timing, metering, charging, the communication of intelligent electric energy meter 100, working cell 130 include clock module 131, MCU main control modules 133, the first functional module 135 and the second functional module 137, MCU master control moulds Block 133 is electrically connected with clock module 131, the first functional module 135, the second functional module 137 respectively, clock module 131 and electricity Source handover module 117 is electrically connected, and MCU main control modules 133 are electrically connected with power supply handover module 117, the first functional module 135 and electricity Source handover module 117 is electrically connected, and the second functional module 137 is electrically connected with power module 111.
First sub- power module 113 is used in 100 power down of intelligent electric energy meter, in the presence of power supply handover module 117, Powered for the clock module 131 of working cell 130.Fig. 3 is refer to, the first sub- power module 113 includes the He of charging circuit 1131 Super capacitor 1133, power module 111, charging circuit 1131, super capacitor 1133, power supply handover module 117 are sequentially connected electrically, When charging circuit 1131 is used for electric on intelligent electric energy meter 100, the dc source that power module 111 is provided is super capacitor 1133 chargings;Super capacitor 1133 is used in 100 power down of intelligent electric energy meter, is work in the presence of power supply handover module 117 The clock module 131 for making unit 130 is powered.
Second sub- power module 115 is used for before the linked network of intelligent electric energy meter 100 or during 100 power down of intelligent electric energy meter, It is the clock module 131, MCU main control modules 133, the first function mould of working cell 130 in the presence of power supply handover module 117 Block 135 is powered.
In the present embodiment, the second sub- power module 115 is preferably button-shaped lithium-manganese cell.
The clock module 131, MCU main control modules 133, the first function of power supply handover module 117 respectively with working cell 130 Module 135 is electrically connected, and the direct current for exporting power module 111 during electricity on intelligent electric energy meter 100 is supplied to job note Member 130, and in 100 power down of intelligent electric energy meter, compare the voltage of the sub- power module 115 of super capacitor 1133 and second, and It is that working cell 130 provides power supply to switch to the larger module of voltage in the sub- power module 115 of super capacitor 1133 and second Power supply.When the voltage of super capacitor 1133 is more than the voltage of the second sub- power module 115, the switching of power supply handover module 117 is super Level electric capacity 1133 is powered for the clock module 131 of working cell 130;When the voltage of the second sub- power module 115 is more than super electricity When holding 1133 voltage, power supply handover module 117 switches the clock module that the second sub- power module 115 is working cell 130 131st, MCU main control modules 133, the first functional module 135 are powered.
Power supply handover module 117 is additionally operable to before the linked network of intelligent electric energy meter 100, and the second sub- power module 115 of switching is work Make the clock module 131 of unit 130, MCU main control modules 133, the first functional module 135, the second functional module 137 to power.
Refer to Fig. 4, power supply handover module 117 include the first diode D1, the second diode D2, the 3rd diode D3, 4th diode D4, the first diode D1 positive pole is electrically connected with the first sub- power module 113, the first diode D1 negative pole with Clock module 131 is electrically connected;Second diode D2 positive pole is electrically connected with power module 111, the second diode D2 negative pole with 3rd diode D3 positive pole electrical connection, the 3rd diode D3 negative pole is electrically connected with clock module 131;4th diode D4's Positive pole is electrically connected with the second sub- power module 115, positive pole, the MCU of the 4th diode D4 negative pole respectively with the 3rd diode D3 Main control module 133, the first functional module 135 are electrically connected.
Before the linked network of intelligent electric energy meter 100, the second sub- power module 115 is by the 4th diode D4 and the 3rd diode D3 Clock module 131 is powered, and is that the functional module 135 of MCU main control modules 133 and first is powered by the 4th diode D4.
When electric on intelligent electric energy meter 100, power module 111 is clock mould by the second diode D2 and the 3rd diode D3 Block 131 is powered, and is that the functional module 135 of MCU main control modules 133 and first is powered by the second diode D2.
During 100 power down of intelligent electric energy meter, power supply handover module 117 compares the first sub- power supply of sub- power module 113 and second The voltage of module 115, when the voltage of the first sub- power module 113 is more than the voltage of the second sub- power module 115, the first son electricity Source module 113 is that clock module 131 is powered by the first diode D1;When the voltage of the second sub- power module 115 is more than first During the voltage of sub- power module 113, the second sub- power module 115 is clock mould by the 4th diode D4 and the 3rd diode D3 Block 131 is powered, and is that the functional module 135 of MCU main control modules 133 and first is powered by the 4th diode D4.
In the present embodiment, clock module 131 is used for the clocking capability of intelligent electric energy meter 100, the work of intelligent electric energy meter 100 Make voltage range wider, so can work at lower voltages;The quiescent current of clock module 131 is smaller, can be by the first son The sub- power module 115 of power module 113 or the second works the long period as stand-by power supply.
In the present embodiment, MCU main control modules 133 are used for clock module 131, the first work(for controlling intelligent electric energy meter 100 The work such as timing, metering, display, the communication of the energy functional module 137 of module 135 and second.
First functional module 135 is used for power information storage, information inquiry and presentation of information, referring once again to Fig. 3, first Functional module 135 includes memory module 1351, key-press module 1353 and display module 1355, memory module 1351, key-press module 1353rd, display module 1355 is electrically connected with power supply handover module 117 respectively.Memory module 1351 is used for the use of storage electric line Power information, key-press module 1353 is used for the Query Information and detection function of uncapping for receiving external key input, for example, can be intelligence Query Information and the detection anti-stealing electricity functions of uncapping such as address, table number, history electricity, the electricity charge remaining sum of energy electric energy meter 100, show Show that module 1355 is used for the power information of display electric line, and the Query Information received according to key-press module 1353, accordingly Show the information such as address, table number, history electricity, the electricity charge remaining sum of intelligent electric energy meter 100.
In this example it is shown that module 1355 is preferably LCD.
Fig. 5 is refer to, the second functional module 137 is used for the collection of the power information with electric line, metering, and intelligence electricity Can table 100 and electric energy meter information acquisition system 200 communication function, the second functional module 137 include acquisition module 1371, Metering module 1373 and communication module 1375, acquisition module 1371, metering module 1373 and communication module 1375 respectively with power supply Handover module 117 is electrically connected.Acquisition module 1371 is used to gather the analog quantity informations, metering module such as voltage, the electric current on circuit The analog quantity informations such as the voltage of collection, electric current are converted to digital information by 1373 by processing, and communication module 1375 is in MCU master Under the control for controlling module 133, by electric energy meter information transmission to the electric energy meter information acquisition system 200.
In the present embodiment, when electric on intelligent electric energy meter 100, power module 111 is that the second functional module 137 is powered, when During 100 power down of intelligent electric energy meter, power module 111 is stopped, and the second functional module 137 is stopped immediately accordingly. That is, when electric on intelligent electric energy meter 100, acquisition module 1371 is used to gather the analog quantity informations such as voltage, the electric current on circuit, The analog quantity informations such as the voltage of collection, electric current are converted to digital information, communication module by metering module 1373 by processing 1375 under the control of MCU main control modules 133, by electric energy meter information transmission to the electric energy meter information acquisition system 200;When 100 power down of intelligent electric energy meter, acquisition module 1371 stops collection, while metering module 1373 and communication module 1375 It is stopped, it is possible thereby to avoid being gathered with the mistake of the power information of electric line, improves intelligent electric energy meter 100 to power information The accuracy of collection.
In the present embodiment, the operating temperature of intelligent electric energy meter 100 is -25 DEG C~+60 DEG C, and the limit of working temperature is -40 DEG C~+70 DEG C, the quiescent current very little of intelligent electric energy meter 100.
The operation principle for the intelligent electric energy meter 100 that the utility model embodiment is provided is:The linked network of intelligent electric energy meter 100 Before, it is clock module 131, the function of MCU main control modules 133 and first that power supply handover module 117, which switches the second sub- power module 115, Module 135 is powered;
When electric on intelligent electric energy meter 100, power module 111 is clock module 131, MCU main control modules 133, the first function The functional module 137 of module 135 and second is powered, and is charged while power module 111 is the first sub- power module 113;Second function Module 137 carries out the collection, metering and transmission of power information;
After the power down of intelligent electric energy meter 100, the second functional module 137 is stopped immediately, while power supply handover module 117 compares Compared with the voltage of the first sub- power module 115 of sub- power module 113 and second, when the voltage of the first sub- power module 113 is more than the During the voltage of two sub- power modules 115, the sub- electric discharge of power module 113 of the switching of power supply handover module 117 first is so as to be clock mould Block 131 is powered, when the voltage of the second sub- power module 115 is more than the voltage of the first sub- power module 113, power supply handover module 117 the second sub- power modules 115 of switching are clock module 131, the functional module 135 of MCU main control modules 133 and first is powered, and are protected Demonstrate,prove the normal work of clock module 131.
In summary, a kind of intelligent electric energy meter that the utility model is provided, first, employs button-shaped lithium-manganese cell and super Level electric capacity as stand-by power supply design;Secondly, further optimize the power supply strategy of power supply unit for this scheme, work as intelligence When energy electric energy meter is in upper electricity and power down different conditions, power supply unit uses different powering modes to be powered for working cell, really Protecting clock module being capable of long-time normal work;3rd, more succinct power supply handover module is devised, is provided for power supply unit The power supply switching approach of convenience and high-efficiency;4th, when being stored for a long time in warehouse before intelligent electric energy meter linked network, the button lithium of use is sub- Battery can ensure that MCU main control modules, clock module, the first functional module long-time normal work;Finally, work is employed in design Make that voltage range is wider and clock module of small power consumption, even if button cell fails after electric energy meter linked network, clock module also can The longer working time is maintained by super capacitor.Therefore, the whole consumption very little of boasting of one's bit of contribution for the intelligent electric energy meter that the utility model is provided, Whole table service life is long.
It should be noted that herein, such as first and second or the like relational terms are used merely to a reality Body or operation make a distinction with another entity or operation, and not necessarily require or imply these entities or deposited between operating In any this actual relation or order.Moreover, term " comprising ", "comprising" or its any other variant are intended to Nonexcludability is included, so that process, method, article or equipment including a series of key elements not only will including those Element, but also other key elements including being not expressly set out, or also include being this process, method, article or equipment Intrinsic key element.
Preferred embodiment of the present utility model is the foregoing is only, the utility model is not limited to, for this For the technical staff in field, the utility model can have various modifications and variations.It is all it is of the present utility model spirit and principle Within, any modification, equivalent substitution and improvements made etc. should be included within protection domain of the present utility model.

Claims (10)

1. a kind of long-life intelligent electric energy meter based on super capacitor and button-shaped lithium-manganese cell, applied to electric line is used, it is special Levy and be, the intelligent electric energy meter includes power supply unit and working cell, said supply unit and working cell electrical connection;
Said supply unit includes power module, the first sub- power module, the second sub- power module and power supply handover module, described Working cell includes clock module, MCU main control modules, the first functional module and the second functional module;
The power module is electrically connected with the described first sub- power module, power supply handover module, the second functional module respectively;It is described First sub- power module, the second sub- power module are electrically connected with the power supply handover module respectively, the power supply handover module point Do not electrically connected with the clock module, MCU main control modules, the first functional module, the MCU main control modules respectively with the clock Module, the first functional module, the electrical connection of the second functional module;
When the power module is used for electric on electric energy meter, external ac power source is converted into dc source, is first son Power module, clock module, MCU main control modules, the first functional module and the second functional module are powered;The power supply handover module Direct current for exporting power module during electricity on electric energy meter is supplied to clock module, MCU main control modules and the first function Module, in electric energy meter power down, the relatively voltage of the first sub- power module and the second sub- power module, and switching to The larger module for power supply of voltage in the described first sub- power module and the second sub- power module, when switching to by described When one sub- power module is powered, the first sub- power module is that the clock module is powered, sub by described second when switching to When power module is powered, the second sub- power module is the clock module, MCU main control modules, the first functional module are powered.
2. intelligent electric energy meter as claimed in claim 1, it is characterised in that the first sub- power module includes super capacitor, The power module, super capacitor, power supply handover module, clock module are sequentially connected electrically, and the power module is used in electric energy It is the super capacitor charging when electric on table, the super capacitor is used to power for the clock module in electric energy meter power down.
3. intelligent electric energy meter as claimed in claim 2, it is characterised in that the first sub- power module also includes charging electricity Road, the power module, charging circuit, super capacitor, power supply handover module, clock module are sequentially connected electrically, the charging electricity Road is used for for super capacitor charging.
4. intelligent electric energy meter as claimed in claim 1, it is characterised in that the power supply handover module is additionally operable to hang in electric energy meter Before net, switch the second sub- power module and powered for the clock module, MCU main control modules, the first functional module.
5. intelligent electric energy meter as claimed in claim 4, it is characterised in that the power supply handover module include the first diode, Second diode, the 3rd diode and the 4th diode, the positive pole of first diode and the described first sub- power module electricity Connection, the negative pole of first diode is electrically connected with the clock module;The positive pole of second diode and the power supply Module is electrically connected, and the negative pole of second diode is electrically connected with the positive pole of the 3rd diode, the 3rd diode Negative pole is electrically connected with the clock module;The positive pole of 4th diode is electrically connected with the described second sub- power module, described The negative pole of 4th diode is electrically connected with the positive pole, MCU main control modules, the first functional module of the 3rd diode respectively.
6. intelligent electric energy meter as claimed in claim 5, it is characterised in that the second sub- power module includes battery, described Battery is electrically connected with the power supply handover module.
7. intelligent electric energy meter as claimed in claim 6, it is characterised in that the battery is the sub- battery of button lithium.
8. intelligent electric energy meter as claimed in claim 4, it is characterised in that first functional module includes memory module, pressed Key module and display module, the memory module, key-press module, display module are electrically connected with the power supply handover module respectively, The memory module, key-press module, display module are also electrically connected with the MCU main control modules respectively, and the memory module is used for The power information of the use electric line is stored, the key-press module is used for the Query Information and the intelligence for receiving external key input The detection of uncapping of energy electric energy meter, the display module is used for the power information for showing the use electric line, and is looked into according to described Ask the relevant information of intelligent electric energy meter described in presentation of information.
9. intelligent electric energy meter as claimed in claim 1, it is characterised in that second functional module is configured as described Under the control of MCU main control modules, it is acquired, measures and is transmitted with the power information of electric line to described.
10. a kind of intelligent electric energy meter, is communicated to connect with electric energy meter information acquisition system, it is characterised in that the intelligence electricity Energy table includes power supply unit and working cell, said supply unit and working cell electrical connection;
Said supply unit includes power module, the first sub- power module, the second sub- power module and power supply handover module, described Working cell includes clock module, MCU main control modules, the first functional module and the second functional module, second functional module Including acquisition module, metering module and communication module;
The power module is electrically connected with the described first sub- power module, power supply handover module, the second functional module respectively;It is described First sub- power module, the second sub- power module are electrically connected with the power supply handover module respectively, the power supply handover module point Do not electrically connected with the clock module, MCU main control modules, the first functional module, the MCU main control modules respectively with the clock Module, the first functional module and the electrical connection of the second functional module;
When the power module is used for electric on electric energy meter, external ac power source is converted into dc source, is first son Power module, clock module, MCU main control modules, the first functional module and the second functional module are powered;The power supply handover module Direct current for exporting power module during electricity on electric energy meter is supplied to clock module, MCU main control modules and the first function Module, in electric energy meter power down, the relatively voltage of the first sub- power module and the second sub- power module, and switching to The larger module for power supply of voltage in the described first sub- power module and the second sub- power module, when switching to by described When one sub- power module is powered, the first sub- power module is that the clock module is powered, sub by described second when switching to When power module is powered, the second sub- power module is the clock module, MCU main control modules, the first functional module are powered, Analog quantity information on the acquisition module collection circuit, the metering module changes the analog quantity information of collection by processing For digital information, the MCU main control modules obtain the number that the metering module is exported by the communication with the metering module Word amount information, the communication module is under the control of the MCU main control modules, by electric energy meter information transmission to the electric energy Table power information acquisition system.
CN201621487725.9U 2016-12-30 2016-12-30 Long-life intelligent electric energy meter based on super capacitor and button-shaped lithium-manganese cell Active CN206362841U (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107356791A (en) * 2017-08-31 2017-11-17 中电装备山东电子有限公司 A kind of single-phase intelligent electric energy meter of replaceable battery
CN109814500A (en) * 2018-12-28 2019-05-28 中国电力科学研究院有限公司 A kind of electric energy control method monitored based on low-voltage load with control integrated apparatus
CN111245089A (en) * 2020-03-12 2020-06-05 内蒙古电力(集团)有限责任公司内蒙古电力科学研究院分公司 Multi-path power supply equipment, power supply system and shunt metering device
CN113937851A (en) * 2021-09-30 2022-01-14 厦门盈趣科技股份有限公司 Energy-saving power supply system and method of mobile robot and mobile terminal

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107356791A (en) * 2017-08-31 2017-11-17 中电装备山东电子有限公司 A kind of single-phase intelligent electric energy meter of replaceable battery
CN107356791B (en) * 2017-08-31 2023-05-23 中电装备山东电子有限公司 Single-phase intelligent ammeter of removable battery
CN109814500A (en) * 2018-12-28 2019-05-28 中国电力科学研究院有限公司 A kind of electric energy control method monitored based on low-voltage load with control integrated apparatus
CN111245089A (en) * 2020-03-12 2020-06-05 内蒙古电力(集团)有限责任公司内蒙古电力科学研究院分公司 Multi-path power supply equipment, power supply system and shunt metering device
CN113937851A (en) * 2021-09-30 2022-01-14 厦门盈趣科技股份有限公司 Energy-saving power supply system and method of mobile robot and mobile terminal
CN113937851B (en) * 2021-09-30 2023-05-09 厦门盈趣科技股份有限公司 Energy-saving power supply system, method and mobile terminal of a mobile robot

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