CN103996274A - Ammeter wireless reading device and method - Google Patents
Ammeter wireless reading device and method Download PDFInfo
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- CN103996274A CN103996274A CN201410215169.9A CN201410215169A CN103996274A CN 103996274 A CN103996274 A CN 103996274A CN 201410215169 A CN201410215169 A CN 201410215169A CN 103996274 A CN103996274 A CN 103996274A
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- ammeter
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Abstract
The invention discloses an ammeter wireless reading device and method. The ammeter wireless reading device comprises a processing unit, a pulse sensor, and a battery module. The ammeter wireless reading device is powered by the battery module and the processing unit obtains the electricity information on the ammeter through the pulse sensor; the ammeter wireless reading device is further provided with a wireless communication module and an antenna, and the processing unit communicates with the outside through the wireless communication module and the antenna. The ammeter wireless reading device and method disclosed by invention have the advantages that the device is low in energy consumption, the installation process is convenient and safe, kinds of electricity information can be measured and recorded, and various alarm event output functions are endowed.
Description
Technical field
The present invention relates to the wireless reading device of a kind of ammeter, relate in particular to a kind of installation safe ready, have the wireless reading device of ammeter of various alert event outputs.
Background technology
Ammeter is the measuring instrument of power consumption, and its output information comprises the important informations such as current electric power, power consumption.The information of exporting by reading electric meters, has very important meaning for our safety utilization of electric power, using electricity wisely, Based Intelligent Control.
Mostly the ammeter reading device proposing in prior art is based on RS485 bus, and reading device also needs externally fed.Need wiring when making to install like this, for non-engineering technical personnel, have certain enforcement difficulty, and exist contact forceful electric power to cause so great potential safety hazard of getting an electric shock.And ammeter is as charging measuring instrument, connection terminal is generally protected by case, and unauthorized user must not be opened.
The accumulative total power consumption of an existing ammeter read method reading electric meters, can not read the power consumption of a certain special time period, such as inquire about the power consumption in 1 o'clock to 4 o'clock morning afterwards.In addition, existing ammeter read method is indifferent to real-time electric power and variation thereof, such as the output of can not reporting to the police at once when electric power surpasses a certain particular value.
Summary of the invention
In order to solve the deficiency in above-mentioned prior art scheme, the invention provides a kind of can convenient and safely installation, can the various power informations of survey record, there is the wireless reading device of ammeter of various alert event output functions.
The object of the invention is to be achieved through the following technical solutions:
Ammeter is a wireless reading device, it comprises processing unit, pulse transducer, battery module, and described ammeter is wireless, and reading device is powered by battery module, and processing unit obtains the power information on ammeter by pulse transducer; Described ammeter is wireless, and reading device is further provided with wireless communication module, antenna, and processing unit is by wireless communication module, antenna and external communication.
Described processing unit comprises arithmetical unit, storer, clock.
The signal that the flashlight of described pulse transducer by photoelectric conversion mode sensing ammeter sends.
Described ammeter is wireless, and reading device is further provided with line, connects pulse transducer and processing unit, makes pulse transducer easy for installation.
Because device is battery-powered, so reduce power consumption, just can there is longer stream time.The present invention is mainly by making equipment realize low-power consumption in dormant state as much as possible.
A method of work for the described wireless reading device of ammeter, described method of work comprises:
1) power-up initializing setting, device enters dormant state;
2) pulse or timing wake-up device:
When pulse Rouser,
Processing unit carries out power consumption record,
Processing unit calculates performance number record,
If generation alert event, reports by wireless,
Device enters dormant state, waits for and waking up next time;
When timing wake-up device,
Wireless communication module enters accepting state,
If receive external command, processing unit carries out corresponding data communication,
Device enters dormant state, waits for and waking up next time.
Step 2) the power consumption record described in records at times the accumulative total power consumption of each period and is stored in the storer of processing unit.
Step 2) performance number described in is by calculating the interval time between two pulses.
Step 2) one or more in electric weight, power, power transient amount parameter of the alert event described in reach sets alarming value and trigger alarm.
Compared with prior art, beneficial effect of the present invention is:
1, the present invention utilizes pulse or two kinds of mechanism of timing wake-up to realize low-power consumption, and can apply small-sized battery is device power supply, makes whole equipment miniaturization, and device installation process is convenient, safety.
, there is not the situation of electrical Interference in 2, device work and the complete electrical isolation of ammeter work.
3, install passive reception ammeter and send signal, initiatively do not read, do not disturb the operation of ammeter.
4, labor aptitude is wide, as long as there is the ammeter of flashlight output to use, does not need infrared interface and RS485 interface hardware, does not also need the software protocol that above-mentioned interface is corresponding.
5, adopt wireless mode and external unit communication, can long-range reading electric meters running status.
6, can store multi-period information for inquiry, there is multiple alert event output function.
7, by conveniently the reading of ammeter information, can derive and enrich function, make this important information source of ammeter bring the sensing layer of Internet of Things into.Realization such as remote monitoring, Based Intelligent Control, leakage current detect, the such function of electrical appliance operational diagnostics, also can help our using electricity wisely, realizes energy-saving and emission-reduction.
Accompanying drawing explanation
With reference to accompanying drawing, disclosure of the present invention will be easier to understand.Those skilled in the art will readily understand: these accompanying drawings are only for illustrating technical scheme of the present invention, and be not intended to protection scope of the present invention to be construed as limiting.
Fig. 1 is the application schematic diagram of the wireless reading device of ammeter;
Fig. 2 is the structural representation of the wireless reading device of ammeter;
Fig. 3 is initialization process flow diagram of the present invention;
Fig. 4 is that the pulse of the wireless reading device of ammeter wakes workflow diagram up;
Fig. 5 is the timing wake-up workflow diagram of the wireless reading device of ammeter;
In figure, ammeter is wireless reading device 10, pulse transducer 11, line 12, antenna 13, ammeter 14.
Embodiment
Fig. 1-5 and following declarative description optional embodiment of the present invention with instruction those skilled in the art, how to implement and to reproduce the present invention.In order to instruct technical scheme of the present invention, simplified or omitted some conventional aspect technical schemes.Those skilled in the art should understand that be derived from the modification of these modes or replace will be within the scope of the invention.Those skilled in the art should understand that following characteristics can combine to form a plurality of modification of the present invention in every way.Therefore, the present invention is not limited to following optional embodiment, and only by claim and their equivalent, is limited.
Fig. 1 has schematically provided the application schematic diagram of the wireless reading device of embodiment of the present invention ammeter.As shown in Figure 1, described pulse transducer 11 can be arranged in the main body of the wireless reading device 10 of ammeter, certainly, also can use line 12 to be connected with main body.Pulse transducer 11 can be bonded on the flashlight window of ammeter 14, easy for installation.The mode that adopts line to be connected between pulse transducer 11 and the wireless reading device 10 of ammeter, installs reading device and freely facilitates.And reading device can not stop ammeter screen display, also easily make reading device find the installation site that radio signal shielding is little.Reading device is launched by antenna 13 or is received electromagnetic wave, realizes wireless telecommunications.
Fig. 2 has provided the structural representation of the wireless reading device of ammeter of the present invention, it comprises processing unit, pulse transducer 11, battery module, described ammeter is wireless, and reading device is powered by battery module, the power information that processing unit obtains on ammeter 14 by pulse transducer 11, processing unit is by wireless communication module, antenna 13 and external communication.
Processing unit comprises arithmetical unit, storer, clock.The signal that pulse transducer 11 sends by photoelectric conversion mode sensing ammeter flashlight.
Because device is battery-powered, so reduce power consumption, just can there is longer stream time.The present invention is mainly by making equipment realize low-power consumption in dormant state as much as possible.Below by some simple budgetary estimates, illustrate and use this method to reducing the contribution of device power consumption:
According to prior art, get general parameter, battery capacity is 1000mAH, wireless module received current 15mA, it is 200uA that device enlivens electric current, device quiescent current is 25uA.Ammeter pulse in every 2 seconds, each pulse wakes rear work 0.2ms up.Wireless module regularly wakes up once for 1 second, receives 2ms.
If device is always in active, and for response data communication, wireless module is always in accepting state, battery working time budgetary estimate formula 1000mAH/15mA+200uA, is about 65.8 hours so, 2.7 days.
Adopt method of work of the present invention, power consumption is mainly comprised of 3 parts, comprises that device quiescent current 25uA, pulse wake electric current, timing wake-up electric current up.Pulse wakes electric current budgetary estimate formula 200uA*0.2ms/2s up, is 0.02uA.Timing wake-up electric current budgetary estimate formula 15mA*2ms/1s is 30uA.Battery working time budgetary estimate formula 1000mAH/25uA+0.02uA+30uA, is about 18175 hours like this, 2.07.
Fig. 3 has schematically provided initialization process flow diagram of the present invention.After electrification reset, processing unit is carried out initialization setting.Initialization setting comprises various running parameter settings and the wireless communication module initialization setting of processing unit self.Execute initialization and rear device is set enters dormant state, with this, reduce system power dissipation.
Fig. 4 has schematically provided pulse of the present invention and has waken workflow diagram up, and described method of work comprises:
When ammeter sends pulse, Rouser.Processing unit carries out power consumption record, records the number of pulses in certain hour section.The described period, concrete length can be arranged by external unit.Processing unit records at times the accumulative total power consumption of each period and is stored in storer according to settings, for external unit, reads.Period setting can, according to the peak-trough electricity time, make power consumption count respectively peak power consumption or paddy power consumption.Period setting also can be as required, and the time period that is set to a length is carried out bulk registration one time.
Processing unit calculates performance number.Performance number is by calculating the interval time between two pulses.For example ammeter pulse output attribute is 1600imp/kWh, and while showing that bearing power is 1kW, pulsed frequency is 1600/3600s=0.444Hz.If the recurrent interval is 1s, counter to release current electric power be 2.25kW.
If generation alert event, reports by wireless.Alert event is arranged by external unit.One or more in electric weight, power, power transient amount parameter of alert event reach sets alarming value and trigger alarm.It is that power is greater than 1.5kW and power transient amount is just trigger alarm of 100W that alert event for example can be set.
Then device enters dormant state, waits for and waking up next time.
Fig. 5 has schematically provided timing wake-up workflow diagram of the present invention, and described method of work comprises:
Device timing wake-up, this timing wake-up source may also may be from wireless module from processing unit.Whether wake rear wireless module up enters accepting state inspection and has external unit to send communication instruction.If receive director data, enter data communication and process.
Then device enters dormant state, waits for and waking up next time.
embodiment 1
External unit can be inquired about power consumption hourly after wishing, by wireless telecommunications, record slot length being set is 1 hour.When needs are taken data, then by the power consumption data in wireless telecommunications reading device storer.
embodiment 2
External unit is wished cut-off parts load when electric power is greater than 5kW, and checks that whether topworks is working properly.Can alert event 1 be set by wireless telecommunications and be greater than 5kW for power.When once calculating current power, the wireless reading device of ammeter is greater than 5kW, trigger alarm at once, and by the wireless alerting signal of sending.External unit obtains pilot relay after alerting signal, cuts off wherein fractional load.By the wireless current power value that reads, whether drop to predetermined value again, to reach the object of closed-loop control.
embodiment 3
External unit wishes to do interlock control, when a certain electrical appliance A is opened, starts electrical appliance B.The power of known A is 1000W, and the power of B is 100W.Can alert event 2 be set for power transient+1000W by wireless telecommunications.If current power is 800W, when performance number transition is 1800W, reading device trigger alarm event 2 that ammeter is wireless, and by the wireless alerting signal of sending.External unit obtains controlling startup electrical appliance B after warning message.Whether external unit also can read current power value at theoretical 1900W.
Power transient, except being set to positive transient, also can be set to negative transient.
Claims (8)
1. the wireless reading device of ammeter, it is characterized in that: it comprises processing unit, pulse transducer (11), battery module, described ammeter is wireless, and reading device (10) is powered by battery module, and processing unit obtains the power information on ammeter (14) by pulse transducer (11); Described ammeter is wireless, and reading device (10) is further provided with wireless communication module, antenna (13), and processing unit is by wireless communication module, antenna (13) and external communication.
2. the wireless reading device of ammeter according to claim 1, is characterized in that: described processing unit comprises arithmetical unit, storer, clock.
3. the wireless reading device of ammeter according to claim 1, is characterized in that: the signal that the flashlight of described pulse transducer (11) by photoelectric conversion mode sensing ammeter sends.
4. the wireless reading device of ammeter according to claim 1, is characterized in that: described ammeter is wireless, and reading device is further provided with line (12), connects pulse transducer (11) and processing unit, makes pulse transducer (11) easy for installation.
5. a method of work for the wireless reading device of ammeter according to claim 1, described method of work comprises:
1) power-up initializing setting, device enters dormant state;
2) pulse or timing wake-up device:
When pulse Rouser,
Processing unit carries out power consumption record,
Processing unit calculates performance number record,
If generation alert event, reports by wireless,
Device enters dormant state, waits for and waking up next time;
When timing wake-up device,
Wireless communication module enters accepting state,
If receive external command, processing unit carries out corresponding data communication,
Device enters dormant state, waits for and waking up next time.
6. method of work according to claim 5, is characterized in that: step 2) described in power consumption record record at times the accumulative total power consumption of each period and be stored in the storer of processing unit.
7. method of work according to claim 5, is characterized in that: step 2) described in performance number by calculating the interval time between two pulses.
8. method of work according to claim 5, is characterized in that: step 2) described in one or more in electric weight, power, power transient amount parameter of alert event reach and set alarming value and trigger alarm.
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| CN201410215169.9A CN103996274B (en) | 2014-05-21 | 2014-05-21 | Ammeter is wireless reading device and method |
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| CN201410215169.9A CN103996274B (en) | 2014-05-21 | 2014-05-21 | Ammeter is wireless reading device and method |
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| CN103996274B CN103996274B (en) | 2016-02-03 |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005036493A1 (en) * | 2003-10-15 | 2005-04-21 | M. Tech Korea Co., Ltd. | Remote meter-reading system using in wire and wireless |
| CN201126632Y (en) * | 2007-11-07 | 2008-10-01 | 孙军平 | WSN electric energy data acquisition and communication apparatus |
| CN101701838A (en) * | 2009-11-19 | 2010-05-05 | 蓝景恒 | Intelligent meter and meter reading instrument |
| CN201594113U (en) * | 2009-12-23 | 2010-09-29 | 沈阳时尚实业有限公司 | Single-phase electric energy meter with power line carrier communication and remote power on/off control |
| CN102411838A (en) * | 2011-12-30 | 2012-04-11 | 重庆市电力公司电力科学研究院 | Wireless power meter reading system and control method thereof |
| CN202434049U (en) * | 2011-12-30 | 2012-09-12 | 江苏联宏自动化系统工程有限公司 | Water meter data acquirer |
| CN103049990A (en) * | 2012-12-20 | 2013-04-17 | 宁波宇宏电气有限公司 | Remote ammeter reading method and system, and intelligent ammeter |
| CN103136926A (en) * | 2011-11-22 | 2013-06-05 | 深圳信息职业技术学院 | Optoelectronic reading device and photoelectric reading method for ammeter dial data |
-
2014
- 2014-05-21 CN CN201410215169.9A patent/CN103996274B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005036493A1 (en) * | 2003-10-15 | 2005-04-21 | M. Tech Korea Co., Ltd. | Remote meter-reading system using in wire and wireless |
| CN201126632Y (en) * | 2007-11-07 | 2008-10-01 | 孙军平 | WSN electric energy data acquisition and communication apparatus |
| CN101701838A (en) * | 2009-11-19 | 2010-05-05 | 蓝景恒 | Intelligent meter and meter reading instrument |
| CN201594113U (en) * | 2009-12-23 | 2010-09-29 | 沈阳时尚实业有限公司 | Single-phase electric energy meter with power line carrier communication and remote power on/off control |
| CN103136926A (en) * | 2011-11-22 | 2013-06-05 | 深圳信息职业技术学院 | Optoelectronic reading device and photoelectric reading method for ammeter dial data |
| CN102411838A (en) * | 2011-12-30 | 2012-04-11 | 重庆市电力公司电力科学研究院 | Wireless power meter reading system and control method thereof |
| CN202434049U (en) * | 2011-12-30 | 2012-09-12 | 江苏联宏自动化系统工程有限公司 | Water meter data acquirer |
| CN103049990A (en) * | 2012-12-20 | 2013-04-17 | 宁波宇宏电气有限公司 | Remote ammeter reading method and system, and intelligent ammeter |
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Effective date of registration: 20230421 Address after: No. C2455, Floor 2, Building 16, Yard 37, Chaoqian Road, Science Park, Changping District, Beijing 102200 Patentee after: BEIJING YUPONT ELECTRIC POWER TECHNOLOGY Co.,Ltd. Address before: 310053 Qianjiangwan Garden 30-901, Binjiang District, Hangzhou City, Zhejiang Province Patentee before: Shi Hongkun |
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