CN203444560U - Single-phase fee-control intelligent ammeter - Google Patents
Single-phase fee-control intelligent ammeter Download PDFInfo
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- CN203444560U CN203444560U CN201320442050.6U CN201320442050U CN203444560U CN 203444560 U CN203444560 U CN 203444560U CN 201320442050 U CN201320442050 U CN 201320442050U CN 203444560 U CN203444560 U CN 203444560U
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- intelligent electric
- electric meter
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Abstract
The utility model belongs to the technical field of an intelligent ammeter and specifically relates to a single-phase fee-control intelligent ammeter. The single-phase fee-control intelligent ammeter comprises a central processing unit and a metering module, a display, an alarm device, a communication module, a function key module, an online programmer, an LED (Light Emitting Diode) indicator, a relay control output detecting module, a clock chip, a storage and a power supply managing module, which are connected with the central processing unit, wherein the metering module is connected with a voltage sampling module and a current sampling module which are respectively used for sampling the voltage and the current on a live line and a null line of a power supply circuit. The dual-path metering is adopted by the single-phase fee-control intelligent ammeter for realizing the split control and treatment for the ammeter, so that the electricity stealing preventing monitoring is benefited and an individual user can conveniently check the related data information of the ammeter.
Description
Technical field
The utility model belongs to electric energy meter technical field, is specifically related to a kind of single-phase charge-controlled intelligent electric meter.
Background technology
At present, the domestic control intelligent electric energy meter that takes is measured mainly with the electric flux of the independent metering method of live wire, the local data of take is encrypted and is simply uncapped detection technique as anti-electricity-theft mode, need independent encryption equipment and encryption and decryption card-issuing device to control transmission and the authentication of expense control data, although security performance is powerful, but strengthened client's operation cost, and control electricity filching behavior not yet in effect, electric energy meter installs that all to take manager's handled easily and control be prerequisite, user checks that the related data information of electric energy meter is more difficult, existing take control intelligent electric energy meter the difficulty of market and secondary market implementation is larger abroad.
Utility model content
The purpose of this utility model is to overcome above-mentioned the deficiencies in the prior art and a kind of single-phase charge-controlled intelligent electric meter measuring by two-way is provided.
For achieving the above object, the utility model adopts following technical scheme:
, comprise central processing unit and the metering module being connected with described central processing unit, display, alarm, communication module, function button module, online programming device, LED light, Control output detections module, clock chip, storer and power management module; Described metering module connects for gathering respectively voltage sample module and the current sample module of the live wire of feed circuit and the voltage on zero line, electric current.
Described metering module comprises that metering special chip and the timing being connected with described metering special chip arrange module, check output module.
Described communication module comprises infrared communication module and two-way 485 communication modules.
Described alarm is audible-visual annunciator.
Described display is LCD liquid crystal display.
The utility model measures by two-way, has realized the split of electric energy meter is controlled, processed, and is not only conducive to anti-electric theft monitoring, and facilitates concrete user to check the related data information of electric energy meter.
Accompanying drawing explanation
Figure 1 shows that the structural representation of a kind of single-phase charge-controlled intelligent electric meter that the utility model embodiment provides.
Embodiment
Below, in conjunction with example, substantive distinguishing features of the present utility model and advantage are further described, but the utility model is not limited to listed embodiment.
Shown in Figure 1, the figure shows the structure of a kind of single-phase charge-controlled intelligent electric meter that the utility model embodiment provides.For convenience of explanation, only show the part relevant with the utility model embodiment.
Refer to Fig. 1,, comprise central processing unit and the metering module being connected with described central processing unit, display, alarm, communication module, function button module, online programming device, LED light, Control output detections module, clock chip, storer and power management module; Described metering module connects for gathering respectively voltage sample module and the current sample module of the live wire of feed circuit and the voltage on zero line, electric current.
Described metering module comprises that metering special chip and the timing being connected with described metering special chip arrange module, check output module.
Described communication module comprises infrared communication module and two-way 485 communication modules.
Described alarm is audible-visual annunciator.
Described display is LCD liquid crystal display.
As follows below in conjunction with 1 pair of each function declaration of the present utility model of accompanying drawing:
1. metering
(1) adopt two-way metering to measure zero line and live wire electric current, and two-way watt level relatively simultaneously, using power compared with great mono-tunnel the foundation as electric energy metrical;
(2) can measure the physical quantitys such as electric current, voltage, power, frequency and power factor of circuit, by Show Options or the means of communication that can arrange, user can obtain these real-time physical quantitys simultaneously.
(3) for guaranteeing that one is rechecked qualification rate to bank precision reliably, design objective is CLASS0.5.
2. show
Adopt LCD as the demonstration of electric energy meter, the main displaying contents size requirements of display: the number of 8 shows tested value, minimum character size 8mmX4mm.Can show following content:
(1) physical quantity shows: voltage, live wire electric current, neutral line current, realtime power, reactive power, mains frequency etc.;
(2) supplement with money and remaining sum shows: the current residual amount of money, total recharge amount, current electricity charge unit price (estimated value, unit: the venue of sports event/hour), recharge amount and time of nearest 5 times;
(3) with electrographic recording: nearest one day, one week, January with electrographic recording (electric weight of every month, the amount of money), accumulative total power consumption for electrographic recording (amount of money and electric weight), nearest 12 months.
(4) current residing rate ladder and tariff period: use little code to show that little code above shows that ladder, little code below show current tariff period;
(5) about the parameter of ammeter itself (limiting parameter, own parameter): various limiting parameters (as: load limitations, overvoltage restriction, current limit and the restriction of emergent amount, the warning amount of money etc.), own parameter: meter constant, ammeter label and electric energy meter current state word 1(define and see communication protocol).
(6) mistake shows: with code form, under ammeter idle condition, automatically show, by button, can eliminate.
3. billing function:
(1) native system is amount of money system, and charging, the form of supplementing with money all with amount of currency complete, and monetary unit is: the venue of sports event (cedi), minimum currency charge unit 0.01 venue of sports event.
(2) system is in service usings electric pulse as minimum metering and billing unit, and electric pulse is scaled actual power (KWH) according to the meter constant of this product.Software systems are carried out charging computing according to the mode of " the * * venue of sports event/KWH ".For metering and billing accurately, actual each computing is updated to 0.01KWH/ time.
(3) when remaining sum is less than the warning restriction amount of money 1, ammeter constant reminding user backlight is supplemented with money, and Split type device shows that respective code " LOW UNIT " prompting user supplements with money simultaneously.When user's remaining sum is 0 or when being less than 0, the prompting user that operates a switch supplements with money ammeter.Now insert subscriber card (or card of other types) and button and can recover user's electricity consumption.After this user's remaining sum shows corresponding negative value, and what user used is emergence power or credit electricity consumption.As user, electricity consumption is over oneself " emergent amount restriction " again, and ammeter is operated a switch again, and after this only having the amount of money in table is timing, could close a floodgate to user.
4. load controlling function:
(1) ammeter is according to the number of user's remaining sum, customer charge is taked: (0 amount of money is reminded), super credit power-off etc. are reminded in power-off, power-off is reminded and can be restored electricity by user's operation (plug-in card, button), after super credit power-off, recharge amount reach on the occasion of after just can restore electricity;
(2) power-off of transfiniting: when following situation occurs:
Grid supply quality can not reach normal electricity consumption level;
User's inside power supply circuit breaks down;
User power utilization capacity transfinites and likely causes potential safety hazard.
Ammeter can, according to the physical quantity that transfinites arranging in advance, cut off user power utilization.The physical quantity that can arrange comprises: voltage, electric current, power and frequency etc.The judgement of transfiniting has certain delay, and the nearly possible loss that reduces user of system, ensure user security, but the effect that it plays is passive, and has certain delay, so can only auxiliary other main means guarantee Electrical Safety by the effect of ammeter.
After cutting off user power utilization, if the time ammeter that the physical quantity transfiniting is recovered normal and reached time delay can recover user power utilization.When again there is the situation of overrun, ammeter can continue to cut off user power utilization.
Transfinite after power-off, ammeter can record this event.In table, can store at most the record transfiniting for 10 times.The new record that surpasses 10 times will cover the oldest record.
(3) stealing is processed
When ammeter confirms that user has in the situation of electricity filching behavior, the mode reminding user that also can arrange by system.The mode that can arrange comprises that the prompting of LCD code is reported to the police, cut-out user power utilization.When using power-down mode reminding user, can only recover user power utilization with special-purpose card or specialized equipment.
(4) power-off classification
Recoverable power-off: power alarm, the power-off of transfiniting
Expendable power-off: super credit power-off, stealing power-off
(5) in situation once, the ammeter that power-off does not occur can not power-off
Can not power-off (point in 6 pm to mornings 6) in night
Weekend and festivals or holidays can not power-off (carrying out according to the calendar being arranged in table)
Consumption during this period should count in the credit amount of ammeter, and deducts when next power purchase.
5. communication function
Ammeter is supported the communication modes that three tunnels are separate: two-way 485 communication A, B He Yi road infrared communication.485 communication A for the contacting of user's Split type device, complete supplement with money, the work such as inquiry, rate renewal.485 communication B mainly complete the work such as precision instruction, reserved centralized automatic meter-reading interface, spare interface; Infrared communication mainly completes managerial personnel and registers one's residence and copy and accept the requirement of data;
The same agreement of three tunnel communication supports, and can parallel work-flow;
Three paths are isolated physically, and wherein the damage on any road does not affect the use of other two-way.
6. report to the police and prompt facility:
Ammeter is supported concentrated alarm prompt facility:
Ammeter is operated a switch, backlight is lighted, alarm lamp is lighted, buzzer call.
7. discrimination function:
System possesses recognition capability, and the card of non-native system or other users' card can not read and write operation to ammeter.(insertion of card can recover the situation of load arbitrarily, is only to provide switching signal concerning system)
8. card type class and definition:
Native system adopts IC-card as the transmission of selling between a charging system and table, complete two-way exchanges data, on the one hand by IC-card, power purchase is supplemented, shows with money data transmission that intrinsic parameter (such as various limiting parameters) and rate upgrade to ammeter, on the other hand by the real time data of account's situation and electricity consumption in subscriber's meter by medium transmission to selling a charging system.System card used has main species:
(1) kind of the card under User Status:
Subscriber card: user is for supplementing and inquire about the card of power information with money, and native system requires user's first plug-in card retaking of a year or grade data before power purchase is supplemented with money, take and guarantees that the data of the system of taking back are latest data.
Rate is neocaine more: for managerial personnel's data maintenance, effect is that new tariff data is transferred to table.
Write-back card (mend card): after losing for subscriber card, in showing, the last write-back of user is read back, the user personalized informations such as user number are written back in card simultaneously, synchronous to complete the data of card, table, system.
System maintenance card:
(2) produce the kind of blocking under debugging dress state:
Relay inspection card: under particular state, check user's relay situation, every plug-in card primary relay state switches once.
Increase amount of money card: according to the parameter arranging, process is supplemented in simulation with money, and the parameter in card refreshes table intrinsic parameter, the amount of money in cumulative table.This amount of money increases card and only carries out proof of identity (whether card authentication belongs to native system), and number of times is supplemented in not verification with money, not verification table number.
Initialized card (pre-fabrication): table intrinsic parameter, rate and table oneself state are set to virtual condition according to customer requirements, general as last parameter setting before dispatching from the factory.Can remove the logout of ammeter.
Information electric weight card: remove operation information and the consumption information of ammeter, but do not remove logout.
9. rate and electricity price ladder:
(1) support to be monthly not less than the ladder rate of 10 grades;
(2) support to be not less than every day the time-division charge rate of 4 sections;
(3) support to deduct every day fixed expense;
(4) support monthly to deduct fixed expense;
(5) support to impose certain proportion tax according to power consumption.
The above is only preferred implementation of the present utility model; it should be pointed out that for those skilled in the art, do not departing under the prerequisite of the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (5)
1. a single-phase charge-controlled intelligent electric meter, it is characterized in that, comprise central processing unit and the metering module being connected with described central processing unit, display, alarm, communication module, function button module, online programming device, LED light, Control output detections module, clock chip, storer and power management module; Described metering module connects for gathering respectively voltage sample module and the current sample module of the live wire of feed circuit and the voltage on zero line, electric current.
2. single-phase charge-controlled intelligent electric meter according to claim 1, is characterized in that, described metering module comprises that metering special chip and the timing being connected with described metering special chip arrange module, check output module.
3. single-phase charge-controlled intelligent electric meter according to claim 1, is characterized in that, described communication module comprises infrared communication module and two-way 485 communication modules.
4. single-phase charge-controlled intelligent electric meter according to claim 1, is characterized in that, described alarm is audible-visual annunciator.
5. single-phase charge-controlled intelligent electric meter according to claim 1, is characterized in that, described display is LCD liquid crystal display.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320442050.6U CN203444560U (en) | 2013-07-24 | 2013-07-24 | Single-phase fee-control intelligent ammeter |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320442050.6U CN203444560U (en) | 2013-07-24 | 2013-07-24 | Single-phase fee-control intelligent ammeter |
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| CN203444560U true CN203444560U (en) | 2014-02-19 |
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| CN201320442050.6U Expired - Fee Related CN203444560U (en) | 2013-07-24 | 2013-07-24 | Single-phase fee-control intelligent ammeter |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104181386A (en) * | 2014-09-03 | 2014-12-03 | 哈尔滨电工仪表研究所 | Single-phase fee charged intelligent ammeter |
| CN105424996A (en) * | 2015-12-11 | 2016-03-23 | 国网北京市电力公司 | Ammeter control system and method |
| CN106353544A (en) * | 2016-10-12 | 2017-01-25 | 黑龙江省电工仪器仪表工程技术研究中心有限公司 | COG (Chip on Glass) single-phase intelligent ammeter |
| CN106645932A (en) * | 2016-12-05 | 2017-05-10 | 宜兴市森维电子有限公司 | Split-type single-phase intelligent electric energy meter |
| CN108957076A (en) * | 2018-06-26 | 2018-12-07 | 北京电联宇科技股份有限公司 | A kind of intelligent electric meter and a kind of kilowatt meter reading-out system |
| CN112782642A (en) * | 2021-03-02 | 2021-05-11 | 深圳供电局有限公司 | Voltage qualified rate recording method and device of double-core intelligent electric meter |
| TWI742560B (en) * | 2020-03-12 | 2021-10-11 | 建華機電股份有限公司 | Smart meter |
-
2013
- 2013-07-24 CN CN201320442050.6U patent/CN203444560U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104181386A (en) * | 2014-09-03 | 2014-12-03 | 哈尔滨电工仪表研究所 | Single-phase fee charged intelligent ammeter |
| CN105424996A (en) * | 2015-12-11 | 2016-03-23 | 国网北京市电力公司 | Ammeter control system and method |
| CN105424996B (en) * | 2015-12-11 | 2018-04-03 | 国网北京市电力公司 | Ammeter control system and method |
| CN106353544A (en) * | 2016-10-12 | 2017-01-25 | 黑龙江省电工仪器仪表工程技术研究中心有限公司 | COG (Chip on Glass) single-phase intelligent ammeter |
| CN106645932A (en) * | 2016-12-05 | 2017-05-10 | 宜兴市森维电子有限公司 | Split-type single-phase intelligent electric energy meter |
| CN108957076A (en) * | 2018-06-26 | 2018-12-07 | 北京电联宇科技股份有限公司 | A kind of intelligent electric meter and a kind of kilowatt meter reading-out system |
| TWI742560B (en) * | 2020-03-12 | 2021-10-11 | 建華機電股份有限公司 | Smart meter |
| CN112782642A (en) * | 2021-03-02 | 2021-05-11 | 深圳供电局有限公司 | Voltage qualified rate recording method and device of double-core intelligent electric meter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 300401 Tianjin city Beichen District No. 8 North Road in Beichen science and Technology Park Patentee after: Tianjin Special Power Electronics Co., Ltd. Address before: 300401 Tianjin city Beichen District No. 8 North Road in Beichen science and Technology Park Patentee before: Tianjin Shente Electric Power Electronic Factory |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190430 Address after: No. 8 Liaohe Road, Beichen Science and Technology Park, Beichen District, Tianjin 300401 Patentee after: Tianjin Sanyuan Power Equipment Manufacturing Co., Ltd. Address before: No. 8 Liaohe Road, Beichen Science and Technology Park, Beichen District, Tianjin 300401 Patentee before: Tianjin Special Power Electronics Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140219 Termination date: 20190724 |