CN106872738A - A kind of display methods of low power-consumption intelligent ammeter - Google Patents
A kind of display methods of low power-consumption intelligent ammeter Download PDFInfo
- Publication number
- CN106872738A CN106872738A CN201710256061.8A CN201710256061A CN106872738A CN 106872738 A CN106872738 A CN 106872738A CN 201710256061 A CN201710256061 A CN 201710256061A CN 106872738 A CN106872738 A CN 106872738A
- Authority
- CN
- China
- Prior art keywords
- display
- data
- electric energy
- meter
- electric
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims abstract description 18
- 238000012545 processing Methods 0.000 claims abstract description 43
- 238000004891 communication Methods 0.000 claims abstract description 4
- 230000006698 induction Effects 0.000 claims abstract description 4
- 230000008859 change Effects 0.000 claims description 12
- 230000000694 effects Effects 0.000 abstract description 4
- 230000005611 electricity Effects 0.000 description 17
- 239000004973 liquid crystal related substance Substances 0.000 description 14
- 238000005259 measurement Methods 0.000 description 10
- 230000005540 biological transmission Effects 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000004411 aluminium Substances 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 230000005674 electromagnetic induction Effects 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000009418 renovation Methods 0.000 description 2
- 230000002123 temporal effect Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000005923 long-lasting effect Effects 0.000 description 1
- 230000003340 mental effect Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R11/00—Electromechanical arrangements for measuring time integral of electric power or current, e.g. of consumption
Abstract
The invention discloses a kind of display methods of low power-consumption intelligent ammeter, including data acquisition metering units, data processing control units, electronic ink screen display unit, communication unit；Time, the data of electric energy flow information of the data acquisition metering units in intelligent electric meter and for obtaining intelligent electric meter, which includes electric energy metering machine and internal clocking；The electric energy metering machine includes one of induction meter, pulse signal meter, electronic type meter.The present invention can for a long time keep display information under not electric power thus supplied, it is not necessary to backlight, eliminate the consumption of backlight, reduce energy content of battery consumption in intelligent electric meter, reach the effect of more low-power consumption.
Description
Technical field
The present invention relates to electrical screen display ammeter power consumption and the intelligent electric meter of metering, particularly a kind of low power-consumption intelligent electricity
The display methods of table.
Background technology
The screen that the intelligent electric meter that electrical screen shows on the market at present is used is liquid crystal display, abbreviation liquid crystal display intelligent electric meter.
Liquid crystal display intelligent electric meter is typically battery-powered, with being measured to electric flux by fluid metering sensor, using liquid crystal
Screen electronical display, is measured and is controlled according to product function to user's electric energy, is automatically performed the ladder electricity charge, stores ammeter data
Etc. function；Powered using battery, it is particularly severe to intelligent electric meter power consumption requirements；
Liquid crystal display intelligent electric meter is used at present, is had the following disadvantages or defect：
1st, to reduce power consumption, usually liquid crystal display does not show liquid crystal display intelligent electric meter, in user by triggering（Swipe the card or the side such as button
Formula）When just show a secondary data, it has not been convenient to user checks to power consumption etc.；
2nd, liquid crystal display will also consume battery electric quantity in not display data, the situation for causing intelligent electric meter overall power high, not save
Energy；
3rd, it is particularly when intelligent electric meter breaks down, does not show the information such as the electricity consumption total amount before failure due to LCDs,
When failure ammeter is changed at scene, it is impossible to determine the power consumption of client and settled accounts, so as to user and ammeter management department can be caused
Cause consumption dispute because scene cannot determine power consumption between door, the popularization for limiting current mechanical dial plate electronic electricity meter should
With.
The content of the invention
In order to overcome the disadvantages mentioned above of prior art, it is an object of the invention to provide it is low in energy consumption, show ammeter data for a long time
A kind of display methods of the low power-consumption intelligent ammeter of information.
The technical solution adopted for the present invention to solve the technical problems is：
A kind of low power-consumption intelligent ammeter, wherein, including：
Data acquisition metering units, time, the number of electric energy flow information in intelligent electric meter and for obtaining intelligent electric meter
According to which includes electric energy metering machine and internal clocking；The electric energy metering machine includes induction meter, pulse signal
One of meter, electronic type meter；
The induction meter utilizes electromagnetic induction principle, mainly by potential winding, current coil, aluminium dish, permanent magnetic
The devices such as iron, register are constituted.Its operation principle is：According to electromagnetic induction principle, when ammeter is powered, in current coil and voltage
Coil generating electromagnetic, forms rotating torque in aluminium dish, drives register to count by travelling gear, and Current Voltage is bigger,
Torque is bigger, counts faster, and electricity consumption is more, and the register is recorded in data acquisition metering units by analog-to-digital conversion again.
The pulse signal meter measures electric energy using electronic circuit/chip；With divider resistance or voltage transformer
Voltage signal is become to can be used for the small-signal of electronic surveying, becomes current signal can be used for current divider or current transformer
The small-signal of electronic surveying, voltage, current signal simulation or the numeral finished changing will be become using special electric energy measure chip
Multiplication, and electric energy is added up, the pulse signal that then output frequency is directly proportional to electric energy；Pulse signal turns by modulus again
Change and be recorded in data acquisition metering units.
The electronic type meter obtains the product of voltage and current vector with analog or digital circuit, then by mould
Intend or digital circuit electric energy metrical function.The measurement of its electric energy is completed completely by electronic circuit and electronic module, is obtained
Energy information is recorded in data acquisition metering units by analog-to-digital conversion again.
Data processing control units, are connected and receive the data of acquisition, which includes right with data acquisition metering units
Than module and driver element；
Electronic ink screen display unit, it is anti-including power module, display processing end and display for showing the data for obtaining
Current feed circuit, the power module is connected with driver element, and the display feedback circuit is connected with data processing control units, described
Display processing end uses electric ink display screen；
Communication unit, the data obtained for quantity collection metering units in intelligent electric meter are copied and accepted, and by bus or wireless
Connected mode is connected with back-stage management center.
A kind of display methods of low power-consumption intelligent ammeter, including：
The data that data acquisition metering units are collected are obtained, wherein, the data acquisition metering units include at least one of：
To the electric energy metering machine of electric energy flow information collection, the internal clocking being acquired to ammeter reading duration information in ammeter；
The electric energy metering machine, for obtaining by the electric energy flow information of intelligent electric meter；
The internal clocking, for confirming date during failure.
Judge whether the data meet display condition, the data for meeting display condition do display processing, do not meet
The data of display condition do storage inside treatment；
The display processing, uses according to electric energy flow information and ammeter reading duration information on electronic ink screen display unit
Different identification shows the data.
The display processing, mainly obtains the number that data acquisition metering units are gathered by the data processing control units
According to the data carry out contrast treatment by contrast module, meet display condition, and electric ink screen display is driven by driver element
Show that the power module of unit and display processing end turn on power supply, the data processing control units send display readings information or
To display processing end, after the completion of data send display, display feedback circuit starts time and data information, the data processing and control
Unit control driver element cut-out is to the power module of electric ink display unit and the power switch at display processing end.
The data processing control units are by controlling driver element to power electric ink display unit, information transmission etc.
Control, to the electricity consumption total amount of electric ink display screen transmission renewal, updates the data the information such as time；Electronic ink screen shows use
Electric total amount, the time is updated the data, and after electric ink display screen has updated data, control electric ink display unit is powered out
Shut-off is opened, and so, electric ink display unit will not consume electricity, the effect that energy ezpenditure is smaller, power consumption is lower be reached, not
Change under display information state, keep the display data information content by being powered without power module for a long time.
As a further improvement on the present invention：Also include the setting display condition, wherein, the display condition is used to sentence
Disconnected at least one of：Electric energy flow information change difference range, prover time scope.
As a further improvement on the present invention：The electric energy flow information changes difference range, for meeting environment temperature
The electric energy flow information of information threshold scope judges that the difference of the electric energy flow information change exceeds electric energy flow information
Change difference range, the data do display processing.
The prover time scope, the reading duration information judgement for meeting ambient temperature information threshold range,
The difference of the reading duration information exceeds prover time scope, and the data do display processing.
The power consumption that the electric energy metering machine obtains electric energy flow information is L1, and last time power consumption is L0, when described internal
Between to obtain time of reading duration information be H1, it is H0 that upper secondary data updates the time, sets electric energy changes in flow rate difference range
Lref, prover time scope is Href；
First, judge whether difference reaches setting electric energy flow between the current power consumption L1 for obtaining and last time measurement power consumption L0
Information change difference range Lref, if comparing measurement power consumption difference | L1-L0 | more than or equal to Lref, the data processing control
Unit control driver element processed is powered to electronic ink screen display unit, and transmission updates power consumption data and temporal information, and makes
L0 is replaced with this measured value L1, H1 replaces H0；
If comparing survey power consumption difference | L1-L0 | less than Lref, will further detect that whether | H1-H0 |, more than Href, judges to work as
Whether difference reaches setting Href between preceding time of measuring H1 and last time time of measuring value H0, if comparing time of measuring difference | H1-
H0 | less than Href, display processing is not done, and keep last stored result, if compare time of measuring difference | H1-H0 | being more than or equal to
Href, does display processing, and the data processing control units control driver element is powered to electric ink display unit, and transmission is more
New temporal information, and replace H0 using this measured value H1.
Compared with prior art, the beneficial effects of the invention are as follows：
The present invention can for a long time keep display information due to the electric ink display screen under not electric power thus supplied, obtain electricity
Energy flow information reaches the electric energy flow information change difference range L ref values of setting with the power consumption data difference of last stored
Or the prover time Href values that reading duration information reaches setting with last stored renewal time value difference are obtained, electric ink shows
Display screen updates screen display data message, therefore energy ezpenditure is less；And the electric ink display screen does not need backlight, saves
The consumption of backlight, therefore compared with the liquid crystal display used in available liquid crystal screen intelligent electric meter, reduce electricity in intelligent electric meter
Pond energy ezpenditure, reaches the effect of more low-power consumption.
The sustainable display under not electric power thus supplied of electric ink display screen, and the present invention after data variation by being led to
The mode of brush new data updates display content, and liquid crystal display intelligent electric meter does not show under normal circumstances in solving industry, can only
The display or mode such as display reduces power consumption, user's inconvenient problem when ammeter consumption is checked during button when swiping the card；Not only more
The consumption of the few energy of plus-minus, increases battery, and can be continuously display, and that is left in solution liquid crystal display intelligent electric meter looks into
See the inconvenient problem of ammeter power consumption.
Electric ink display screen 6 years of sustainable display under not electric power thus supplied, the present invention is shown using electric ink
Screen is without power supply display advantage so that intelligent electric meter is continuously display when breaking down, and solves liquid crystal intelligent electric meter and hinders nothing for some reason
Faxian shows that power consumption data, intelligent electric meter occur the problem that cannot recover power consumption data at that time, so as to solve user and ammeter
The both parties' dispute problem caused because power consumption is indefinite between administrative department.
Brief description of the drawings
Fig. 1 is structural representation of the invention.
Fig. 2 is structural representation of the invention.
Fig. 3 is the display information of electric ink display screen.
Fig. 4 is display methods schematic flow sheet of the invention.
Specific embodiment
In conjunction with brief description of the drawings, the present invention is further described with embodiment：
With reference to Fig. 1, a kind of low power-consumption intelligent ammeter, wherein, including：
Data acquisition metering units, temperature, time, electric energy flow letter in intelligent electric meter 1 and for obtaining intelligent electric meter
The data of breath, including electric energy metering machine and internal clocking,
Data processing control units, are connected and receive the data of acquisition with data acquisition metering units, which includes contrast mould
Block and driver element；
Electronic ink screen display unit, for showing the data for obtaining, including power module, display processing end 2 and display
Feedback circuit, the power module is connected with driver element, and the display feedback circuit is connected with data processing control units, institute
Display processing end is stated using electric ink display screen；The data processing control units turn on and disconnect electronics by driver element
The power module of ink display unit and display processing end, according to electric energy flow information and ammeter reading duration information in electronic ink
Show the data using different identification on water screen display unit.Electric ink display unit is not changing display data information
Under state, without power supply, the display data information content can be for a long time kept.
Communication unit, the data obtained for quantity collection metering units in intelligent electric meter are copied and accepted, and by bus or nothing
The connected mode of line is connected with back-stage management center.
A kind of display methods of low power-consumption intelligent ammeter, including：
The data that data acquisition metering units are collected are obtained, wherein, the data acquisition metering units include at least one of：
To the electric energy metering machine of electric energy flow information collection, the internal clocking being acquired to ammeter reading duration information in ammeter.
The electric energy metering machine, for obtaining by the electric energy flow information of intelligent electric meter.
The internal clocking, for confirming date during failure.
Judge whether the data meet display condition, the data for meeting display condition do display processing, do not meet
The data of display condition do storage inside treatment；
The display processing, uses according to electric energy flow information and ammeter reading duration information on electronic ink screen display unit
Different identification shows the data.
Case study on implementation：
As shown in Fig. 2 after the completion of electric ink display unit shows, display feedback circuit will feed back to data processing and control list
Unit, the driver element of data processing control units disconnects the power switch of electric ink display unit, is not changing display information
Under state, electronic ink screen reaches the effect of intelligent electric meter minimum energy consumption without power supply.
As shown in figure 3, the display data content of electric ink display screen includes time, electricity consumption aggregate data, for a long time
Under display condition, brush screen number of times can be as far as possible reduced, compared with LCDs ammeter, electronic ink screen ammeter on-chip study
Refreshing aspect, energy ezpenditure is smaller, and power consumption is relatively low.
As shown in figure 4, a kind of display methods of low power-consumption intelligent ammeter, including
The first step：By data acquisition metering units by current ammeter power consumption（L1）, time data（H1）At collection to data
Reason control unit；
Second step：Compare data message by contrast module to change, current measurement electricity consumption aggregate data（L1）Measured with last time and used
Electric aggregate data（L0）Integer part（Data value rounds up）Difference is done, difference | L1-L0 | is more than or equal to setting electric energy flow
Change difference range L ref values, current measurement electricity consumption aggregate data L1 replaces last stored measurement electricity consumption aggregate data L0, currently
Time of measuring value（H1）Secondary data updates time storage value in replacement（H0）, and by electric energy flow information and time information renovation extremely
Electric ink display screen shows that the power switch of disconnection electric ink display unit, terminates whole processing procedure after renewal display；
Current measurement electricity consumption aggregate data（L1）Electricity consumption aggregate data was measured with last time（L0）Integer part（Data value rounds up）Do
Difference, difference | L1-L0 | will further compare time parameter less than setting electric energy changes in flow rate difference range Lref values；
3rd step：Current measurement time value（H1）Subtract secondary data and update time storage value（H0）, | H1-H0 | is less than setting school
Quasi- time range Href values, display processing are not done and terminate whole processing procedure；Current measurement time value（H1）Subtract number of times
According to renewal time storage value（H0）, | H1-H0 | is more than or equal to setting prover time scope Href values, current measurement time value（H1）
Secondary data updates time value in replacement（H0）, and by time information renovation to electric ink display screen, electricity is disconnected after updating display
Sub- ink display unit power switch, terminates whole processing procedure.
The present embodiment provides a kind of display methods of low power-consumption intelligent ammeter, because the electric ink display screen is not being supplied
Continuously display information for a long time can be crossed in the case of electricity, and the embodiment of the present invention changes in gathered data or the renewal time reaches display
Just need to update electric ink display on-screen-display message under condition, and for relative liquid crystal display intelligent electric meter, electronic ink
Water display screen ammeter eliminates the consumption of backlight, therefore reduce energy ezpenditure without backlight；The present invention is in not electric power thus supplied
Under long lasting for display, therefore intelligent electric meter dead battery or generation cannot repair failure in the case of, can keep last
Once correct continuous data and time, it may be determined that the power consumption of client is simultaneously settled accounts, so as to avoid causing user and ammeter
Cause consumption dispute because scene cannot determine power consumption between administrative department.
In sum, after one of ordinary skill in the art reads file of the present invention, technology according to the present invention scheme with
Technology design makes other various corresponding conversion schemes without creative mental labour, belongs to the model that the present invention is protected
Enclose.
Claims (5)
1. a kind of display methods of low power-consumption intelligent ammeter, it is characterized in that, including：
Data acquisition metering units, time, the number of electric energy flow information in intelligent electric meter and for obtaining intelligent electric meter
According to which includes electric energy metering machine and internal clocking；The electric energy metering machine includes induction meter, pulse signal
One of meter, electronic type meter；
Data processing control units, are connected and receive the data of acquisition with data acquisition metering units, which includes contrast mould
Block and driver element；
Electronic ink screen display unit, it is anti-including power module, display processing end and display for showing the data for obtaining
Current feed circuit, the power module is connected with driver element, and the display feedback circuit is connected with data processing control units, described
Display processing end uses electric ink display screen；
Communication unit, the data obtained for quantity collection metering units in intelligent electric meter are copied and accepted, and by bus or wireless
Connected mode is connected with back-stage management center.
2. a kind of display methods of low power-consumption intelligent ammeter, it is characterized in that, including：
The data that data acquisition metering units are collected are obtained, wherein, the data acquisition metering units include at least one of：
To gathered by electric energy flow information in intelligent electric meter electric energy metering machine, intelligent electric meter reading duration information is acquired
Internal clocking；
Judge whether the data meet display condition, the data for meeting display condition do display processing, do not meet display
The data of condition do storage inside treatment；
The display processing, uses according to electric energy flow information and ammeter reading duration information on electronic ink screen display unit
Different identification shows the data.
3. the display methods of a kind of low power-consumption intelligent ammeter according to claim 2, it is characterized in that, it is also described including setting
Display condition, wherein, the display condition is used to judge at least one of：Electric energy flow information change difference range, calibration
Time range.
4. the display methods of a kind of low power-consumption intelligent ammeter according to claim 3, it is characterized in that：The electric energy flow letter
Breath change difference range, for the judgement of the electric energy flow information, the difference of the electric energy flow information change exceeds electric energy
Flow information changes difference range, and the data do display processing.
5. the display methods of a kind of low power-consumption intelligent ammeter according to claim 3, it is characterized in that：The prover time model
Enclose, for the judgement of the reading duration information, the difference of the reading duration information exceeds prover time scope, the data
Do display processing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710256061.8A CN106872738A (en) | 2017-04-19 | 2017-04-19 | A kind of display methods of low power-consumption intelligent ammeter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710256061.8A CN106872738A (en) | 2017-04-19 | 2017-04-19 | A kind of display methods of low power-consumption intelligent ammeter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106872738A true CN106872738A (en) | 2017-06-20 |
Family
ID=59163779
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710256061.8A Pending CN106872738A (en) | 2017-04-19 | 2017-04-19 | A kind of display methods of low power-consumption intelligent ammeter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106872738A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114217123A (en) * | 2021-11-03 | 2022-03-22 | 威胜集团有限公司 | Low-power-consumption display method and device, electric energy meter and computer-readable storage medium |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1455886A (en) * | 2001-03-06 | 2003-11-12 | 本田技研工业株式会社 | Liquid crystal display device for vehicle |
| CN101068220A (en) * | 2006-08-17 | 2007-11-07 | 腾讯科技（深圳）有限公司 | Immediate communication tool-based media file update prompting method and system |
| CN101783134A (en) * | 2010-01-25 | 2010-07-21 | 深圳绿拓科技有限公司 | Method and device for display control and wireless passive equipment |
| CN104101779A (en) * | 2014-07-25 | 2014-10-15 | 广东中钰科技有限公司 | Intelligent ammeter |
| CN105070253A (en) * | 2015-08-28 | 2015-11-18 | 广州文石信息科技有限公司 | Refreshing method of electronic ink screen |
| CN105589547A (en) * | 2015-12-22 | 2016-05-18 | 北京奇虎科技有限公司 | System parameter information display method for mobile terminal and mobile terminal |
| CN106199441A (en) * | 2016-06-30 | 2016-12-07 | 努比亚技术有限公司 | A kind of information about power display packing and terminal |
-
2017
- 2017-04-19 CN CN201710256061.8A patent/CN106872738A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1455886A (en) * | 2001-03-06 | 2003-11-12 | 本田技研工业株式会社 | Liquid crystal display device for vehicle |
| CN101068220A (en) * | 2006-08-17 | 2007-11-07 | 腾讯科技（深圳）有限公司 | Immediate communication tool-based media file update prompting method and system |
| CN101783134A (en) * | 2010-01-25 | 2010-07-21 | 深圳绿拓科技有限公司 | Method and device for display control and wireless passive equipment |
| CN104101779A (en) * | 2014-07-25 | 2014-10-15 | 广东中钰科技有限公司 | Intelligent ammeter |
| CN105070253A (en) * | 2015-08-28 | 2015-11-18 | 广州文石信息科技有限公司 | Refreshing method of electronic ink screen |
| CN105589547A (en) * | 2015-12-22 | 2016-05-18 | 北京奇虎科技有限公司 | System parameter information display method for mobile terminal and mobile terminal |
| CN106199441A (en) * | 2016-06-30 | 2016-12-07 | 努比亚技术有限公司 | A kind of information about power display packing and terminal |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114217123A (en) * | 2021-11-03 | 2022-03-22 | 威胜集团有限公司 | Low-power-consumption display method and device, electric energy meter and computer-readable storage medium |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2008142431A1 (en) | Energy meter with power source | |
| CN204788542U (en) | Mode switch's that supply power direct -reading thing networking gas table more | |
| CN106895892A (en) | A kind of display methods of low power-consumption intelligent water meter | |
| CN106023456B (en) | Self-power generation type Intelligent watermeter based on radio-frequency technique | |
| CN101520919B (en) | Public electricity utilization management system | |
| CN207268636U (en) | A kind of low power-consumption intelligent gas meter, flow meter | |
| CN206709915U (en) | A kind of low power-consumption intelligent water meter | |
| CN206710480U (en) | A kind of low power-consumption intelligent ammeter | |
| CN105869292A (en) | Prepayment code scanning type electric energy meter | |
| CN205940671U (en) | Intelligent water gauge that possesses water quality testing function | |
| CN106872738A (en) | A kind of display methods of low power-consumption intelligent ammeter | |
| CN206362394U (en) | Temperature-pressure compensation film type gas meter controller module | |
| CN204270400U (en) | A kind of intellectual water meter electronic module | |
| CN206115584U (en) | Plug -in card formula has water gauge of ladder water cost system | |
| CN202269242U (en) | Wireless communication-based water resource control terminal | |
| CN207163602U (en) | A kind of low power-consumption intelligent calorimeter | |
| KR102047873B1 (en) | Energy saving type electricity meter | |
| CN106871983B (en) | Display method of low-power-consumption intelligent gas meter | |
| CN106840467B (en) | Display method of low-power-consumption intelligent calorimeter | |
| CN102810226B (en) | Low-power-consumption high-precision heat meter | |
| JP2000147014A (en) | Simple type electric power indicator | |
| CN202710217U (en) | High-precision calorimeter | |
| CN205537803U (en) | Chargeable flow meter utensil | |
| CN205960682U (en) | Automatic real -time control system charges | |
| CN102854382A (en) | Numerical electricity stealing prevention electric energy detection system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170620 |
|
| RJ01 | Rejection of invention patent application after publication |