CN103824435A - Method for prolonging standby time of electricity meter during radio frequency (RF) meter reading, and method for sending and receiving power consumption data through RF - Google Patents
Method for prolonging standby time of electricity meter during radio frequency (RF) meter reading, and method for sending and receiving power consumption data through RF Download PDFInfo
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- CN103824435A CN103824435A CN201310535187.0A CN201310535187A CN103824435A CN 103824435 A CN103824435 A CN 103824435A CN 201310535187 A CN201310535187 A CN 201310535187A CN 103824435 A CN103824435 A CN 103824435A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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Abstract
The invention discloses a method for prolonging the standby time of an electricity meter during radio frequency (RF) meter reading. The method is achieved on the basis of a meter reading device. The meter reading device includes the electricity meter, an RF communication part coupled with the electricity meter, and a handheld read-write device connected with the RF communication part, wherein the status of an MCU (micro controller unit) in the electricity meter is set as an RXD (received data) pin wakening status, so that the MCU is constantly in a dormant status instead of being regularly waken up; the status of the RF communication part is set as a regular air data monitoring status. The method has the advantages as follows: in case a battery supplies power, the communication method of an RF module is controlled for meter reading, so that the standby time of the electricity meter device is effectively prolonged, and the power consumption of the electricity meter device is effectively reduced. The invention further discloses a method for sending and receiving power consumption data through RF.
Description
Technical field
The present invention relates to ammeter technology, especially relate to a kind of radio frequency in the time of ammeter powered battery the check meter method of extension device stand-by time in process and a kind of method of receiving and dispatching electricity consumption data by RF-wise.
Background technology
In the battery powered situation of ammeter, need to pass through wireless mode, for example radio frequency (RF) carries out the copy reading of wireless electricity consumption data, the microprocessor unit (MCU) of ammeter need to continue the state waking up, control RF module simultaneously and remove to continue receiving radio data, but (possible far-end arranges timing and receives data in the time period that does not receive data, for example 3S or longer time), the duty of ammeter end remains in full speed running, can cause like this waste of more battery power consumption, therefore also inadvisable.
Summary of the invention
Embodiments of the invention solve or reduce the defect of prior art, in battery powered situation, check meter by the communication modes of controlling RF module, can effectively extend stand-by time and the power consumption of ammeter equipment.In a preferred embodiment of the present invention, only carried out the monitoring of aerial data by RF module, and carrying out the data filtering processing of prime in early stage according to the communications protocol that presets, when data are designated as when effective, directly wake up and carry out data processing by downgoing communication mouth TXD port.
The advantage of this embodiment is in the time there is no data or invalid data in the air, the MCU of ammeter equipment can not be waken up and always in dormant state, can effectively reduce the average power consumption of integral device under power down holding state, thereby effectively extend the serviceable life of battery.
A kind of method that extends ammeter stand-by time in radio frequency is checked meter process of the present invention, realized based on kilowatt meter recorder, this kilowatt meter recorder has comprised ammeter and radio frequency (RF) communication section being coupled with it, and the handhold read-write equipment (HHU) that RF communication section connects therewith, it is characterized in that: the microprocessor in described ammeter (MCU) is made as to RXD pin wake-up states, make it not carry out timing wake-up and continue in dormant state, described RF communication section being set as regularly monitoring the state of aerial data simultaneously.
Further, set described RF communication section to carry out following data receiver step:
1) described RF communication section is set as to a kind of low-power consumption standby state, then opens it and monitor the first timer of aerial data;
2) judge whether to arrive a timing time limit by its data processing division, if so, RF communication section is waken up and enters full speed running state, and now its RF module is unlocked and in receiving data mode, if not, is back to step 1);
3) monitor and whether exist data to send in the air by described RF module, if having, carry out pre-service according to communications protocol to receiving data by its data processing division, judge that whether data are effective, if nothing is back to step 1);
4) if described reception data are effective, by described RF module, ammeter wake-up signal and pretreated reception data are sent to ammeter, to wake this ammeter up by RXD pin, if described reception data are invalid, be back to step 3);
5) set a first time limit T1 by described data processing division, to make described RF module judge whether ammeter has feedback data, if not overtime, the feedback data receiving is sent to HHU by described RF module, if overtime, is back to step 1).
Further, set described MCU to carry out following data transmit-receive step: 1) MCU is set as to low-power consumption standby state; 2) judge whether its RXD pin has wake-up signal, if having, MCU is waken up and enters full speed running state, if nothing is back to step 1); 3) judged and received whether data are valid data by described MCU, if so, MCU sends feedback data to RF module, feedbacks data to described HHU to send this by described RF module, if not, is back to step 1).
As preferably, the present invention only carries out aerial data decryptor action by described RF module.
As preferably, in step 3), also comprise according to default communications protocol, carry out front stage network data filtration, with this, data type is labeled as to " legal " or " illegally " type, only in the time that data type is judged to be " legal ", the downgoing communication port TXD by described RF communication section directly to the RXD pin of described MCU to carry out ammeter wake actions.
The invention also discloses a kind of method of receiving and dispatching electricity consumption data by RF-wise, realized based on kilowatt meter recorder, this kilowatt meter recorder has comprised ammeter and the RF communication section being coupled with it, and the HHU that RF communication section connects therewith, it is characterized in that: the MCU in described ammeter is made as to dormant state, open the second timer of monitoring aerial data, the RF module being coupled in described RF communication section by its RXD pin.
Further, the RF module of setting described MCU and coupling is with it to carry out following data transmit-receive step:
1) by MCU judge whether to arrive one timing the time limit, if so, MCU and RF communication section are waken simultaneously and are entered up full speed running state, now RF module be unlocked and in receive data mode;
2) monitor and whether exist data to send in the air by described RF module, if having, carry out pre-service according to communications protocol to receiving data by MCU, judge that whether data are effective, if nothing is back to step 1);
3) by RF module to aerial transmission data and be back to step 1).
Further, in step 2) in also comprise according to default communications protocol, carry out front stage network data filtration, with this, data type is labeled as to " legal " or " illegally " type.
The average current I of MCU described in the present invention to RF module
eVEcontrol meet relation: I
eVE=(UT
a/ T)/2R, wherein U is the real work voltage of RF module, T
a/ T is dutycycle, and R is impedance.
Embodiment
The method that extends ammeter stand-by time in radio frequency is checked meter process of the embodiment of the present invention, realized based on kilowatt meter recorder, this kilowatt meter recorder has comprised ammeter and the RF communication section being coupled with it, and the handhold read-write equipment (HHU) that RF communication section connects therewith, MCU in described ammeter is made as to RXD pin wake-up states, make it not carry out timing wake-up and continue in dormant state, described RF communication section being set as regularly monitoring the state of aerial data simultaneously.
In another embodiment, set described RF communication section to carry out following data receiver step: 1) described RF communication section is set as to a kind of low-power consumption standby state, then opens it and monitor the first timer of aerial data; 2) judge whether to arrive a timing time limit by its data processing division, if so, RF communication section is waken up and enters full speed running state, and now its RF module is unlocked and in receiving data mode, if not, is back to step 1); 3) monitor and whether exist data to send in the air by described RF module, if having, carry out pre-service according to communications protocol to receiving data by its data processing division, judge that whether data are effective, if nothing is back to step 1); 4) if described reception data are effective, by described RF module, ammeter wake-up signal and pretreated reception data are sent to ammeter, to wake this ammeter up by RXD pin, if described reception data are invalid, be back to step 3); 5) set a first such as 1S of time limit T1(by described data processing division), to make described RF module judge whether ammeter has feedback data, if not overtime, the feedback data receiving is sent to HHU by described RF module, if overtime, be back to step 1).
In another embodiment, set described MCU to carry out following data transmit-receive step: 1) MCU is set as to low-power consumption standby state; 2) judge whether its RXD pin has wake-up signal, if having, MCU is waken up and enters full speed running state, if nothing is back to step 1); 3) judged and received whether data are valid data by described MCU, if so, MCU sends feedback data to RF module, feedbacks data to described HHU to send this by described RF module, if not, is back to step 1).
In another embodiment, only carry out aerial data decryptor action by described RF module.
In another embodiment, further comprise according to default communications protocol in step 3), carry out front stage network data filtration, with this, data type is labeled as to " legal " or " illegally " type, only in the time that data type is judged to be " legal ", the downgoing communication port TXD by described RF communication section directly to the RXD pin of described MCU to carry out ammeter wake actions.
In another embodiment, a kind of method of receiving and dispatching electricity consumption data by RF-wise, realized based on kilowatt meter recorder, this kilowatt meter recorder has comprised ammeter and the RF communication section being coupled with it, and the HHU that RF communication section connects therewith, MCU in described ammeter is made as to dormant state, opens the second timer of monitoring aerial data, the RF module being coupled in described RF communication section by its RXD pin.
Set the RF module of described MCU and coupling with it to carry out following data transmit-receive step: 1) judge whether to arrive a timing time limit by MCU, if, MCU and RF communication section are waken simultaneously and are entered up full speed running state, now RF module be unlocked and in receive data mode; 2) monitor and whether exist data to send in the air by described RF module, if having, carry out pre-service according to communications protocol to receiving data by MCU, judge that whether data are effective, if nothing is back to step 1); 3) by RF module to aerial transmission data and be back to step 1).
In step 2) further comprise according to default communications protocol, carry out front stage network data filtration, with this, data type is labeled as to " legal " or " illegally " type.
Further: the average current I of described MCU to RF module
eVEcontrol meet relation: I
eVE=(UT
a/ T)/2R, wherein U is RF module real work voltage, T
a/ T is dutycycle, and R is impedance.
The present invention, in battery powered situation, checks meter by the communication modes of controlling RF module, can effectively extend stand-by time and the power consumption of ammeter equipment.Can only be carried out the monitoring of aerial data by RF module in the present invention, and carry out the data filtering processing of prime in early stage according to the communications protocol that presets, when data are designated as when effective, directly wake up and carry out data processing by downgoing communication mouth TXD port.It is advantageous that in the time there is no data or invalid data in the air, the MCU of ammeter equipment can not be waken up and always in dormant state, can effectively reduce the average power consumption of integral device under power down holding state, thereby effectively extend the serviceable life of battery.
Industrial applicibility is analyzed
According to previous embodiment, compare with prior art, in one embodiment when the MCU standby of ammeter, RF module is set to 3S and wakes up and once monitor aerial data, a fictitious load at the resistance of 100 Ω of output terminal series connection of battery as ammeter equipment, by the sample voltage at load two ends of oscillograph, the average power consumption that carrys out computing equipment according to previous embodiment is (in the ideal situation, can only consider the average power consumption of RF), according to I
eVE=(UT
a/ T)/2R, 1) improve before actual measurement average power consumption:
Y:200mV/div(judges with the figure of the periodicity sawtooth wave that shows on oscillograph, and longitudinal axis Y represents real work voltage U, and transverse axis X is the operating mode time cycle)
X：1S/div
U=800mV, T
a=1S, T=3S, R=100 Ω (T
aindicate work period when pulse signal obtains aerial data-signal, and T is a work period)
Draw I
eVE≈ 2666 μ A
And 2) improve after actual measurement average power consumption:
Y：20mV/div
X：1S/div
U=40mV，T
A=1S，T=3S，R=100Ω
Draw I
eVE≈ 66.7 μ A, much smaller than the power consumption of conventional method, are therefore worth adopting.
Claims (10)
1. one kind extends the method for ammeter stand-by time in radio frequency is checked meter process, realized based on kilowatt meter recorder, this kilowatt meter recorder has comprised ammeter and radio frequency (RF) communication section being coupled with it, and the handhold read-write equipment (HHU) that RF communication section connects therewith, it is characterized in that: the microprocessor in described ammeter (MCU) is made as to RXD pin wake-up states, make it not carry out timing wake-up and continue in dormant state, described RF communication section being set as regularly monitoring the state of aerial data simultaneously.
2. the method that extends ammeter stand-by time in radio frequency is checked meter process according to claim 1, is characterized in that setting described RF communication section to carry out following data receiver step:
1) described RF communication section is set as to a kind of low-power consumption standby state, then opens it and monitor the first timer of aerial data;
2) judge whether to arrive a timing time limit by its data processing division, if so, RF communication section is waken up and enters full speed running state, and now its RF module is unlocked and in receiving data mode, if not, is back to step 1);
3) monitor and whether exist data to send in the air by described RF module, if having, carry out pre-service according to communications protocol to receiving data by its data processing division, judge that whether data are effective, if nothing is back to step 1);
4) if described reception data are effective, by described RF module, ammeter wake-up signal and pretreated reception data are sent to ammeter, to wake this ammeter up by RXD pin, if described reception data are invalid, be back to step 3);
5) set a first time limit T1 by described data processing division, to make described RF module judge whether ammeter has feedback data, if not overtime, the feedback data receiving is sent to HHU by described RF module, if overtime, is back to step 1).
3. the method that extends ammeter stand-by time in radio frequency is checked meter process according to claim 2, is characterized in that setting described MCU to carry out following data transmit-receive step: 1) MCU is set as to low-power consumption standby state; 2) judge whether its RXD pin has wake-up signal, if having, MCU is waken up and enters full speed running state, if nothing is back to step 1); 3) judged and received whether data are valid data by described MCU, if so, MCU sends feedback data to RF module, feedbacks data to described HHU to send this by described RF module, if not, is back to step 1).
4. the method that extends ammeter stand-by time in radio frequency is checked meter process according to claim 2, is characterized in that: only carry out aerial data decryptor action by described RF module.
5. the method that extends ammeter stand-by time in radio frequency is checked meter process according to claim 2, it is characterized in that: in step 3), also comprise according to default communications protocol, carry out front stage network data filtration, with this, data type is labeled as to " legal " or " illegally " type, only in the time that data type is judged to be " legal ", the downgoing communication port TXD by described RF communication section directly to the RXD pin of described MCU to carry out ammeter wake actions.
6. receive and dispatch the method for electricity consumption data by RF-wise for one kind, realized based on kilowatt meter recorder, this kilowatt meter recorder has comprised ammeter and the RF communication section being coupled with it, and the HHU that RF communication section connects therewith, it is characterized in that: the MCU in described ammeter is made as to dormant state, open the second timer of monitoring aerial data, the RF module being coupled in described RF communication section by its RXD pin.
7. method of receiving and dispatching electricity consumption data by RF-wise according to claim 6, is characterized in that the RF module of setting described MCU and coupling is with it to carry out following data transmit-receive step:
1) by MCU judge whether to arrive one timing the time limit, if so, MCU and RF communication section are waken simultaneously and are entered up full speed running state, now RF module be unlocked and in receive data mode;
2) monitor and whether exist data to send in the air by described RF module, if having, carry out pre-service according to communications protocol to receiving data by MCU, judge that whether data are effective, if nothing is back to step 1);
3) by RF module to aerial transmission data and be back to step 1).
8. method of receiving and dispatching electricity consumption data by RF-wise according to claim 6, it is characterized in that in step 2) in also comprise according to default communications protocol, carry out front stage network data filtration, with this, data type is labeled as to " legal " or " illegally " type.
9. according to the method described in any one in claim 1 to 5, it is characterized in that: the average current I of described MCU to RF module
eVEcontrol meet relation: I
eVE=(UT
a/ T)/2R, wherein U is the real work voltage of RF module, T
a/ T is dutycycle, and R is impedance.
10. according to the method described in any one in claim 6 to 8, it is characterized in that: the average current I of described MCU to RF module
eVEcontrol meet relation: I
eVE=(UT
a/ T)/2R, wherein U is the real work voltage of RF module, T
a/ T is dutycycle, and R is impedance.
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| CN201310535187.0A CN103824435B (en) | 2013-10-31 | 2013-10-31 | A kind of method for extending ammeter stand-by time during radio frequency is checked meter and the method that electricity consumption data is received and dispatched by RF-wise |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108333398A (en) * | 2018-01-18 | 2018-07-27 | 研耀（上海）信息科技有限公司 | A kind of high energy saving electric meter |
| CN111683398A (en) * | 2020-06-04 | 2020-09-18 | 杭州明特科技有限公司 | Low-power-consumption electric energy meter reading method and electric energy meter |
| CN112055404A (en) * | 2020-10-15 | 2020-12-08 | 力同科技股份有限公司 | Communication device and standby method thereof |
| CN113129573A (en) * | 2021-03-11 | 2021-07-16 | 科陆国际技术有限公司 | Automatic connection method and system of electric energy meter and computer readable storage medium |
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| CN102855745A (en) * | 2012-09-17 | 2013-01-02 | 上海桑锐电子科技有限公司 | Handheld wireless meter reader and remote data synchronous inquiring method thereof |
| CN103049991A (en) * | 2012-12-25 | 2013-04-17 | 上海桑锐电子科技有限公司 | Method for quickly identifying terminal identity (ID) number for wireless meter reading system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101609601A (en) * | 2009-07-15 | 2009-12-23 | 上海唐锐信息技术有限公司 | A kind of clearance-type waking up method of wireless kilowatt meter reading-out system |
| CN102855745A (en) * | 2012-09-17 | 2013-01-02 | 上海桑锐电子科技有限公司 | Handheld wireless meter reader and remote data synchronous inquiring method thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108333398A (en) * | 2018-01-18 | 2018-07-27 | 研耀（上海）信息科技有限公司 | A kind of high energy saving electric meter |
| CN111683398A (en) * | 2020-06-04 | 2020-09-18 | 杭州明特科技有限公司 | Low-power-consumption electric energy meter reading method and electric energy meter |
| CN112055404A (en) * | 2020-10-15 | 2020-12-08 | 力同科技股份有限公司 | Communication device and standby method thereof |
| CN113129573A (en) * | 2021-03-11 | 2021-07-16 | 科陆国际技术有限公司 | Automatic connection method and system of electric energy meter and computer readable storage medium |
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| CN103824435B (en) | 2017-03-29 |
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Address after: HOLLEY Technology Park No. 181 310012 Hangzhou city Zhejiang District of Yuhang province Wuchang Avenue Applicant after: HOLLEY METERING LIMITED Address before: HOLLEY Technology Park No. 181 310012 Hangzhou city Zhejiang District of Yuhang province Wuchang Avenue Applicant before: Holley Metering Ltd. |
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